diff --git a/Notes-master/.idea/Notes-master.iml b/Notes-master/.idea/Notes-master.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/Notes-master/.idea/Notes-master.iml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Notes-master/.idea/modules.xml b/Notes-master/.idea/modules.xml
new file mode 100644
index 0000000..a1d3884
--- /dev/null
+++ b/Notes-master/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Notes-master/.idea/sonarlint/issuestore/c/1/c182d0c9c237ea8a46a92ccaae9bb5c751923a88 b/Notes-master/.idea/sonarlint/issuestore/c/1/c182d0c9c237ea8a46a92ccaae9bb5c751923a88
new file mode 100644
index 0000000..c005de0
--- /dev/null
+++ b/Notes-master/.idea/sonarlint/issuestore/c/1/c182d0c9c237ea8a46a92ccaae9bb5c751923a88
@@ -0,0 +1,3 @@
+
+[
+java:S1124"EReorder the modifiers to comply with the Java Language Specification.(
\ No newline at end of file
diff --git a/Notes-master/.idea/sonarlint/issuestore/index.pb b/Notes-master/.idea/sonarlint/issuestore/index.pb
new file mode 100644
index 0000000..7a6e811
--- /dev/null
+++ b/Notes-master/.idea/sonarlint/issuestore/index.pb
@@ -0,0 +1,3 @@
+
+k
+;app/src/main/java/net/micode/notes/gtask/data/MetaData.java,c\1\c182d0c9c237ea8a46a92ccaae9bb5c751923a88
\ No newline at end of file
diff --git a/Notes-master/.idea/sonarlint/securityhotspotstore/c/1/c182d0c9c237ea8a46a92ccaae9bb5c751923a88 b/Notes-master/.idea/sonarlint/securityhotspotstore/c/1/c182d0c9c237ea8a46a92ccaae9bb5c751923a88
new file mode 100644
index 0000000..e69de29
diff --git a/Notes-master/.idea/sonarlint/securityhotspotstore/index.pb b/Notes-master/.idea/sonarlint/securityhotspotstore/index.pb
new file mode 100644
index 0000000..7a6e811
--- /dev/null
+++ b/Notes-master/.idea/sonarlint/securityhotspotstore/index.pb
@@ -0,0 +1,3 @@
+
+k
+;app/src/main/java/net/micode/notes/gtask/data/MetaData.java,c\1\c182d0c9c237ea8a46a92ccaae9bb5c751923a88
\ No newline at end of file
diff --git a/Notes-master/app/src/main/java/net/micode/notes/.scannerwork/.sonar_lock b/Notes-master/app/src/main/java/net/micode/notes/.scannerwork/.sonar_lock
new file mode 100644
index 0000000..e69de29
diff --git a/doc/210340006杜煜晗/ui包/AlarmAlertActivity.txt b/doc/210340006杜煜晗/ui包/AlarmAlertActivity.txt
new file mode 100644
index 0000000..e3327bd
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/AlarmAlertActivity.txt
@@ -0,0 +1,192 @@
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.content.DialogInterface.OnDismissListener;
+import android.content.Intent;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.media.RingtoneManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.PowerManager;
+import android.provider.Settings;
+import android.view.Window;
+import android.view.WindowManager;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.DataUtils;
+
+import java.io.IOException;
+
+public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
+ private long mNoteId; //文本在数据库存储中的ID号
+ private String mSnippet; //闹钟提示时出现的文本片段
+ private static final int SNIPPET_PREW_MAX_LEN = 60;
+ MediaPlayer mPlayer;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ //Bundle类型的数据与Map类型的数据相似,都是以key-value的形式存储数据的
+ //onsaveInstanceState方法是用来保存Activity的状态的
+ //能从onCreate的参数savedInsanceState中获得状态数据
+ requestWindowFeature(Window.FEATURE_NO_TITLE);
+ //界面显示——无标题
+
+ final Window win = getWindow();
+ win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+
+ if (!isScreenOn()) {
+ win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+ //保持窗体点亮
+ | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+ //将窗体点亮
+ | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
+ //允许窗体点亮时锁屏
+ | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
+ }//在手机锁屏后如果到了闹钟提示时间,点亮屏幕
+
+ Intent intent = getIntent();
+
+ try {
+ mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
+ mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
+ //根据ID从数据库中获取标签的内容;
+ //getContentResolver()是实现数据共享,实例存储。
+ mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
+ SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
+ : mSnippet;
+ //判断标签片段是否达到符合长度
+ } catch (IllegalArgumentException e) {
+ e.printStackTrace();
+ return;
+ }
+ /*
+ try
+ {
+ // 代码区
+ }
+ catch(Exception e)
+ {
+ // 异常处理
+ }
+ 代码区如果有错误,就会返回所写异常的处理。*/
+ mPlayer = new MediaPlayer();
+ if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
+ showActionDialog();
+ //弹出对话框
+ playAlarmSound();
+ //闹钟提示音激发
+ } else {
+ finish();
+ //完成闹钟动作
+ }
+ }
+
+ private boolean isScreenOn() {
+ //判断屏幕是否锁屏,调用系统函数判断,最后返回值是布尔类型
+ PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+ return pm.isScreenOn();
+ }
+
+ private void playAlarmSound() {
+ //闹钟提示音激发
+ Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
+ //调用系统的铃声管理URI,得到闹钟提示音
+ int silentModeStreams = Settings.System.getInt(getContentResolver(),
+ Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
+
+ if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
+ mPlayer.setAudioStreamType(silentModeStreams);
+ } else {
+ mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
+ }
+ try {
+ mPlayer.setDataSource(this, url);
+ //方法:setDataSource(Context context, Uri uri)
+ //解释:无返回值,设置多媒体数据来源【根据 Uri】
+ mPlayer.prepare();
+ //准备同步
+ mPlayer.setLooping(true);
+ //设置是否循环播放
+ mPlayer.start();
+ //开始播放
+ } catch (IllegalArgumentException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ //e.printStackTrace()函数功能是抛出异常, 还将显示出更深的调用信息
+ //System.out.println(e),这个方法打印出异常,并且输出在哪里出现的异常
+ } catch (SecurityException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (IllegalStateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ private void showActionDialog() {
+ AlertDialog.Builder dialog = new AlertDialog.Builder(this);
+ //AlertDialog的构造方法全部是Protected的
+ //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
+ //要创建一个AlertDialog,就要用到AlertDialog.Builder中的create()方法
+ //如这里的dialog就是新建了一个AlertDialog
+ dialog.setTitle(R.string.app_name);
+ //为对话框设置标题
+ dialog.setMessage(mSnippet);
+ //为对话框设置内容
+ dialog.setPositiveButton(R.string.notealert_ok, this);
+ //给对话框添加"Yes"按钮
+ if (isScreenOn()) {
+ dialog.setNegativeButton(R.string.notealert_enter, this);
+ }//对话框添加"No"按钮
+ dialog.show().setOnDismissListener(this);
+ }
+
+ public void onClick(DialogInterface dialog, int which) {
+ switch (which) {
+ //用which来选择click后下一步的操作
+ case DialogInterface.BUTTON_NEGATIVE:
+ //这是取消操作
+ Intent intent = new Intent(this, NoteEditActivity.class);
+ //实现两个类间的数据传输
+ intent.setAction(Intent.ACTION_VIEW);
+ //设置动作属性
+ intent.putExtra(Intent.EXTRA_UID, mNoteId);
+ //实现key-value对
+ //EXTRA_UID为key;mNoteId为键
+ startActivity(intent);
+ //开始动作
+ break;
+ default:
+ //这是确定操作
+ break;
+ }
+ }
+
+ public void onDismiss(DialogInterface dialog) {
+ //忽略
+ stopAlarmSound();
+ //停止闹钟声音
+ finish();
+ //完成该动作
+ }
+
+ private void stopAlarmSound() {
+ if (mPlayer != null) {
+ mPlayer.stop();
+ //停止播放
+ mPlayer.release();
+ //释放MediaPlayer对象
+ mPlayer = null;
+ }
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/AlarmReceiver.txt b/doc/210340006杜煜晗/ui包/AlarmReceiver.txt
new file mode 100644
index 0000000..f35ed7b
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/AlarmReceiver.txt
@@ -0,0 +1,20 @@
+package net.micode.notes.ui;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class AlarmReceiver extends BroadcastReceiver {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ intent.setClass(context, AlarmAlertActivity.class);
+ //启动AlarmAlertActivity
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ //activity要存在于activity的栈中,而非activity的途径启动activity时必然不存在一个activity的栈
+ //所以要新起一个栈装入启动的activity
+ context.startActivity(intent);
+ }
+}
+//这是实现alarm这个功能最接近用户层的包,基于上面的两个包,
+//作用还需要深究但是对于setClass和addFlags的
+
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/AlarmlnitReceiver.txt b/doc/210340006杜煜晗/ui包/AlarmlnitReceiver.txt
new file mode 100644
index 0000000..353f4ae
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/AlarmlnitReceiver.txt
@@ -0,0 +1,56 @@
+package net.micode.notes.ui;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+
+
+public class AlarmInitReceiver extends BroadcastReceiver {
+
+ private static final String [] PROJECTION = new String [] {
+ NoteColumns.ID,
+ NoteColumns.ALERTED_DATE
+ };
+ //对数据库的操作,调用标签ID和闹钟时间
+ private static final int COLUMN_ID = 0;
+ private static final int COLUMN_ALERTED_DATE = 1;
+
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ long currentDate = System.currentTimeMillis();
+ //System.currentTimeMillis()产生一个当前的毫秒
+ //这个毫秒其实就是自1970年1月1日0时起的毫秒数
+ Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
+ PROJECTION,
+ NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
+ new String[] { String.valueOf(currentDate) },
+ //将long变量currentDate转化为字符串
+ null);
+ //Cursor在这里的作用是通过查找数据库中的标签内容,找到和当前系统时间相等的标签
+
+ if (c != null) {
+ if (c.moveToFirst()) {
+ do {
+ long alertDate = c.getLong(COLUMN_ALERTED_DATE);
+ Intent sender = new Intent(context, AlarmReceiver.class);
+ sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
+ PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
+ AlarmManager alermManager = (AlarmManager) context
+ .getSystemService(Context.ALARM_SERVICE);
+ alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
+ } while (c.moveToNext());
+ }
+ c.close();
+ }
+ //然而通过网上查找资料发现,对于闹钟机制的启动,通常需要上面的几个步骤
+ //如新建Intent、PendingIntent以及AlarmManager等
+ //这里就是根据数据库里的闹钟时间创建一个闹钟机制
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/DateTimePacker.txt b/doc/210340006杜煜晗/ui包/DateTimePacker.txt
new file mode 100644
index 0000000..c7fbbcd
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/DateTimePacker.txt
@@ -0,0 +1,491 @@
+package net.micode.notes.ui;
+
+import java.text.DateFormatSymbols;
+import java.util.Calendar;
+
+import net.micode.notes.R;
+
+
+import android.content.Context;
+import android.text.format.DateFormat;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.NumberPicker;
+
+public class DateTimePicker extends FrameLayout {
+ //FrameLayout是布局模板之一
+ //所有的子元素全部在屏幕的右上方
+ private static final boolean DEFAULT_ENABLE_STATE = true;
+
+ private static final int HOURS_IN_HALF_DAY = 12;
+ private static final int HOURS_IN_ALL_DAY = 24;
+ private static final int DAYS_IN_ALL_WEEK = 7;
+ private static final int DATE_SPINNER_MIN_VAL = 0;
+ private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
+ private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
+ private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
+ private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
+ private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
+ private static final int MINUT_SPINNER_MIN_VAL = 0;
+ private static final int MINUT_SPINNER_MAX_VAL = 59;
+ private static final int AMPM_SPINNER_MIN_VAL = 0;
+ private static final int AMPM_SPINNER_MAX_VAL = 1;
+ //初始化控件
+ private final NumberPicker mDateSpinner;
+ private final NumberPicker mHourSpinner;
+ private final NumberPicker mMinuteSpinner;
+ private final NumberPicker mAmPmSpinner;
+ //NumberPicker是数字选择器
+ //这里定义的四个变量全部是在设置闹钟时需要选择的变量(如日期、时、分、上午或者下午)
+ private Calendar mDate;
+ //定义了Calendar类型的变量mDate,用于操作时间
+ private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
+
+ private boolean mIsAm;
+
+ private boolean mIs24HourView;
+
+ private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
+
+ private boolean mInitialising;
+
+ private OnDateTimeChangedListener mOnDateTimeChangedListener;
+
+ private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
+ @Override
+ public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+ mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
+ updateDateControl();
+ onDateTimeChanged();
+ }
+ };//OnValueChangeListener,这是时间改变监听器,这里主要是对日期的监听
+ //将现在日期的值传递给mDate;updateDateControl是同步操作
+
+ private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
+ //这里是对 小时(Hour) 的监听
+ @Override
+ public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+ boolean isDateChanged = false;
+ Calendar cal = Calendar.getInstance();
+ //声明一个Calendar的变量cal,便于后续的操作
+ if (!mIs24HourView) {
+ if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, 1);
+ isDateChanged = true;
+ //这里是对于12小时制时,晚上11点和12点交替时对日期的更改
+ } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, -1);
+ isDateChanged = true;
+ }
+ //这里是对于12小时制时,凌晨11点和12点交替时对日期的更改
+ if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
+ oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
+ mIsAm = !mIsAm;
+ updateAmPmControl();
+ }//这里是对于12小时制时,中午11点和12点交替时对AM和PM的更改
+ } else {
+ if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, 1);
+ isDateChanged = true;
+ //这里是对于24小时制时,晚上11点和12点交替时对日期的更改
+ } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, -1);
+ isDateChanged = true;
+ }
+ } //这里是对于12小时制时,凌晨11点和12点交替时对日期的更改
+ int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
+ //通过数字选择器对newHour的赋值
+ mDate.set(Calendar.HOUR_OF_DAY, newHour);
+ //通过set函数将新的Hour值传给mDate
+ onDateTimeChanged();
+ if (isDateChanged) {
+ setCurrentYear(cal.get(Calendar.YEAR));
+ setCurrentMonth(cal.get(Calendar.MONTH));
+ setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
+ }
+ }
+ };
+
+ private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
+ @Override
+ //这里是对 分钟(Minute)改变的监听
+ public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+ int minValue = mMinuteSpinner.getMinValue();
+ int maxValue = mMinuteSpinner.getMaxValue();
+ int offset = 0;
+ //设置offset,作为小时改变的一个记录数据
+ if (oldVal == maxValue && newVal == minValue) {
+ offset += 1;
+ } else if (oldVal == minValue && newVal == maxValue) {
+ offset -= 1;
+ }
+ //如果原值为59,新值为0,则offset加1
+ //如果原值为0,新值为59,则offset减1
+ if (offset != 0) {
+ mDate.add(Calendar.HOUR_OF_DAY, offset);
+ mHourSpinner.setValue(getCurrentHour());
+ updateDateControl();
+ int newHour = getCurrentHourOfDay();
+ if (newHour >= HOURS_IN_HALF_DAY) {
+ mIsAm = false;
+ updateAmPmControl();
+ } else {
+ mIsAm = true;
+ updateAmPmControl();
+ }
+ }
+ mDate.set(Calendar.MINUTE, newVal);
+ onDateTimeChanged();
+ }
+ };
+
+ private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
+ //对AM和PM的监听
+ @Override
+ public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+ mIsAm = !mIsAm;
+ if (mIsAm) {
+ mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
+ } else {
+ mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
+ }
+ updateAmPmControl();
+ onDateTimeChanged();
+ }
+ };
+
+ public interface OnDateTimeChangedListener {
+ void onDateTimeChanged(DateTimePicker view, int year, int month,
+ int dayOfMonth, int hourOfDay, int minute);
+ }
+
+ public DateTimePicker(Context context) {
+ this(context, System.currentTimeMillis());
+ }//通过对数据库的访问,获取当前的系统时间
+
+ public DateTimePicker(Context context, long date) {
+ this(context, date, DateFormat.is24HourFormat(context));
+ }//上面函数的得到的是一个天文数字(1970至今的秒数),需要DateFormat将其变得有意义
+
+ public DateTimePicker(Context context, long date, boolean is24HourView) {
+ super(context);
+ //获取系统时间
+ mDate = Calendar.getInstance();
+ mInitialising = true;
+ mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
+ inflate(context, R.layout.datetime_picker, this);
+ //如果当前Activity里用到别的layout,比如对话框layout
+ //还要设置这个layout上的其他组件的内容,就必须用inflate()方法先将对话框的layout找出来
+ //然后再用findViewById()找到它上面的其它组件
+ mDateSpinner = (NumberPicker) findViewById(R.id.date);
+ mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
+ mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
+ mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
+
+ mHourSpinner = (NumberPicker) findViewById(R.id.hour);
+ mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
+ mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
+ mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
+ mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
+ mMinuteSpinner.setOnLongPressUpdateInterval(100);
+ mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
+
+ String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
+ mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
+ mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
+ mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
+ mAmPmSpinner.setDisplayedValues(stringsForAmPm);
+ mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
+
+ // update controls to initial state
+ updateDateControl();
+ updateHourControl();
+ updateAmPmControl();
+
+ set24HourView(is24HourView);
+
+ // set to current time
+ setCurrentDate(date);
+
+ setEnabled(isEnabled());
+
+ // set the content descriptions
+ mInitialising = false;
+ }
+
+ @Override
+ public void setEnabled(boolean enabled) {
+ if (mIsEnabled == enabled) {
+ return;
+ }
+ super.setEnabled(enabled);
+ mDateSpinner.setEnabled(enabled);
+ mMinuteSpinner.setEnabled(enabled);
+ mHourSpinner.setEnabled(enabled);
+ mAmPmSpinner.setEnabled(enabled);
+ mIsEnabled = enabled;
+ }
+ //存在疑问!!!!!!!!!!!!!setEnabled的作用
+ //下面的代码通过原程序的注释已经比较清晰,另外可以通过函数名来判断
+ //下面的各函数主要是对上面代码引用到的各函数功能的实现
+ @Override
+ public boolean isEnabled() {
+ return mIsEnabled;
+ }
+
+ /**
+ * Get the current date in millis
+ *
+ * @return the current date in millis
+ */
+ public long getCurrentDateInTimeMillis() {
+ return mDate.getTimeInMillis();
+ }//实现函数——得到当前的秒数
+
+ /**
+ * Set the current date
+ *
+ * @param date The current date in millis
+ */
+ public void setCurrentDate(long date) {
+ Calendar cal = Calendar.getInstance();
+ cal.setTimeInMillis(date);
+ setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
+ cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
+ }//实现函数功能——设置当前的时间,参数是date
+
+ /**
+ * Set the current date
+ *
+ * @param year The current year
+ * @param month The current month
+ * @param dayOfMonth The current dayOfMonth
+ * @param hourOfDay The current hourOfDay
+ * @param minute The current minute
+ */
+ public void setCurrentDate(int year, int month,
+ int dayOfMonth, int hourOfDay, int minute) {
+ setCurrentYear(year);
+ setCurrentMonth(month);
+ setCurrentDay(dayOfMonth);
+ setCurrentHour(hourOfDay);
+ setCurrentMinute(minute);
+ }//实现函数功能——设置当前的时间,参数是各详细的变量
+
+ /**
+ * Get current year
+ *
+ * @return The current year
+ */
+ //下面是得到year、month、day等值
+ public int getCurrentYear() {
+ return mDate.get(Calendar.YEAR);
+ }
+
+ /**
+ * Set current year
+ *
+ * @param year The current year
+ */
+ public void setCurrentYear(int year) {
+ if (!mInitialising && year == getCurrentYear()) {
+ return;
+ }
+ mDate.set(Calendar.YEAR, year);
+ updateDateControl();
+ onDateTimeChanged();
+ }
+
+ /**
+ * Get current month in the year
+ *
+ * @return The current month in the year
+ */
+ public int getCurrentMonth() {
+ return mDate.get(Calendar.MONTH);
+ }
+
+ /**
+ * Set current month in the year
+ *
+ * @param month The month in the year
+ */
+ public void setCurrentMonth(int month) {
+ if (!mInitialising && month == getCurrentMonth()) {
+ return;
+ }
+ mDate.set(Calendar.MONTH, month);
+ updateDateControl();
+ onDateTimeChanged();
+ }
+
+ /**
+ * Get current day of the month
+ *
+ * @return The day of the month
+ */
+ public int getCurrentDay() {
+ return mDate.get(Calendar.DAY_OF_MONTH);
+ }
+
+ /**
+ * Set current day of the month
+ *
+ * @param dayOfMonth The day of the month
+ */
+ public void setCurrentDay(int dayOfMonth) {
+ if (!mInitialising && dayOfMonth == getCurrentDay()) {
+ return;
+ }
+ mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
+ updateDateControl();
+ onDateTimeChanged();
+ }
+
+ /**
+ * Get current hour in 24 hour mode, in the range (0~23)
+ * @return The current hour in 24 hour mode
+ */
+ public int getCurrentHourOfDay() {
+ return mDate.get(Calendar.HOUR_OF_DAY);
+ }
+
+ private int getCurrentHour() {
+ if (mIs24HourView){
+ return getCurrentHourOfDay();
+ } else {
+ int hour = getCurrentHourOfDay();
+ if (hour > HOURS_IN_HALF_DAY) {
+ return hour - HOURS_IN_HALF_DAY;
+ } else {
+ return hour == 0 ? HOURS_IN_HALF_DAY : hour;
+ }
+ }
+ }
+
+ /**
+ * Set current hour in 24 hour mode, in the range (0~23)
+ *
+ * @param hourOfDay
+ */
+ public void setCurrentHour(int hourOfDay) {
+ if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
+ return;
+ }
+ mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
+ if (!mIs24HourView) {
+ if (hourOfDay >= HOURS_IN_HALF_DAY) {
+ mIsAm = false;
+ if (hourOfDay > HOURS_IN_HALF_DAY) {
+ hourOfDay -= HOURS_IN_HALF_DAY;
+ }
+ } else {
+ mIsAm = true;
+ if (hourOfDay == 0) {
+ hourOfDay = HOURS_IN_HALF_DAY;
+ }
+ }
+ updateAmPmControl();
+ }
+ mHourSpinner.setValue(hourOfDay);
+ onDateTimeChanged();
+ }
+
+ /**
+ * Get currentMinute
+ *
+ * @return The Current Minute
+ */
+ public int getCurrentMinute() {
+ return mDate.get(Calendar.MINUTE);
+ }
+
+ /**
+ * Set current minute
+ */
+ public void setCurrentMinute(int minute) {
+ if (!mInitialising && minute == getCurrentMinute()) {
+ return;
+ }
+ mMinuteSpinner.setValue(minute);
+ mDate.set(Calendar.MINUTE, minute);
+ onDateTimeChanged();
+ }
+
+ /**
+ * @return true if this is in 24 hour view else false.
+ */
+ public boolean is24HourView () {
+ return mIs24HourView;
+ }
+
+ /**
+ * Set whether in 24 hour or AM/PM mode.
+ *
+ * @param is24HourView True for 24 hour mode. False for AM/PM mode.
+ */
+ public void set24HourView(boolean is24HourView) {
+ if (mIs24HourView == is24HourView) {
+ return;
+ }
+ mIs24HourView = is24HourView;
+ mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
+ int hour = getCurrentHourOfDay();
+ updateHourControl();
+ setCurrentHour(hour);
+ updateAmPmControl();
+ }
+
+ private void updateDateControl() {
+ Calendar cal = Calendar.getInstance();
+ cal.setTimeInMillis(mDate.getTimeInMillis());
+ cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
+ mDateSpinner.setDisplayedValues(null);
+ for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
+ cal.add(Calendar.DAY_OF_YEAR, 1);
+ mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
+ }
+ mDateSpinner.setDisplayedValues(mDateDisplayValues);
+ mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
+ mDateSpinner.invalidate();
+ }// 对于星期几的算法
+
+ private void updateAmPmControl() {
+ if (mIs24HourView) {
+ mAmPmSpinner.setVisibility(View.GONE);
+ } else {
+ int index = mIsAm ? Calendar.AM : Calendar.PM;
+ mAmPmSpinner.setValue(index);
+ mAmPmSpinner.setVisibility(View.VISIBLE);
+ }// 对于上下午操作的算法
+ }
+
+ private void updateHourControl() {
+ if (mIs24HourView) {
+ mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
+ mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
+ } else {
+ mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
+ mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
+ }// 对与小时的算法
+ }
+
+ /**
+ * Set the callback that indicates the 'Set' button has been pressed.
+ * @param callback the callback, if null will do nothing
+ */
+ public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
+ mOnDateTimeChangedListener = callback;
+ }
+
+ private void onDateTimeChanged() {
+ if (mOnDateTimeChangedListener != null) {
+ mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
+ getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
+ }
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/DateTimePackerDialog.txt b/doc/210340006杜煜晗/ui包/DateTimePackerDialog.txt
new file mode 100644
index 0000000..c11de32
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/DateTimePackerDialog.txt
@@ -0,0 +1,87 @@
+package net.micode.notes.ui;
+
+import java.util.Calendar;
+
+import net.micode.notes.R;
+import net.micode.notes.ui.DateTimePicker;
+import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.text.format.DateFormat;
+import android.text.format.DateUtils;
+
+public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
+
+ private Calendar mDate = Calendar.getInstance();
+ //创建一个Calendar类型的变量 mDate,方便时间的操作
+ private boolean mIs24HourView;
+ private OnDateTimeSetListener mOnDateTimeSetListener;
+ //声明一个时间日期滚动选择控件 mOnDateTimeSetListener
+ private DateTimePicker mDateTimePicker;
+ //DateTimePicker控件,控件一般用于让用户可以从日期列表中选择单个值。
+ //运行时,单击控件边上的下拉箭头,会显示为两个部分:一个下拉列表,一个用于选择日期的
+
+ public interface OnDateTimeSetListener {
+ void OnDateTimeSet(AlertDialog dialog, long date);
+ }
+
+ public DateTimePickerDialog(Context context, long date) {
+ //对该界面对话框的实例化
+ super(context);
+ //对数据库的操作
+ mDateTimePicker = new DateTimePicker(context);
+ setView(mDateTimePicker);
+ //添加一个子视图
+ mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
+ public void onDateTimeChanged(DateTimePicker view, int year, int month,
+ int dayOfMonth, int hourOfDay, int minute) {
+ mDate.set(Calendar.YEAR, year);
+ mDate.set(Calendar.MONTH, month);
+ mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
+ mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
+ mDate.set(Calendar.MINUTE, minute);
+ //将视图中的各选项设置为系统当前时间
+ updateTitle(mDate.getTimeInMillis());
+ }
+ });
+ mDate.setTimeInMillis(date);
+ //得到系统时间
+ mDate.set(Calendar.SECOND, 0);
+ //将秒数设置为0
+ mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
+ setButton(context.getString(R.string.datetime_dialog_ok), this);
+ setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
+ //设置按钮
+ set24HourView(DateFormat.is24HourFormat(this.getContext()));
+ //时间标准化打印
+ updateTitle(mDate.getTimeInMillis());
+ }
+
+ public void set24HourView(boolean is24HourView) {
+ mIs24HourView = is24HourView;
+ }
+
+ public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
+ mOnDateTimeSetListener = callBack;
+ }//将时间日期滚动选择控件实例化
+
+ private void updateTitle(long date) {
+ int flag =
+ DateUtils.FORMAT_SHOW_YEAR |
+ DateUtils.FORMAT_SHOW_DATE |
+ DateUtils.FORMAT_SHOW_TIME;
+ flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
+ setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
+ }//android开发中常见日期管理工具类(API)——DateUtils:按照上下午显示时间
+
+ public void onClick(DialogInterface arg0, int arg1) {
+ if (mOnDateTimeSetListener != null) {
+ mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
+ }
+ }//第一个参数arg0是接收到点击事件的对话框
+ //第二个参数arg1是该对话框上的按钮
+
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/DropdownMenu.txt b/doc/210340006杜煜晗/ui包/DropdownMenu.txt
new file mode 100644
index 0000000..4c4cf90
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/DropdownMenu.txt
@@ -0,0 +1,49 @@
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.PopupMenu;
+import android.widget.PopupMenu.OnMenuItemClickListener;
+
+import net.micode.notes.R;
+
+public class DropdownMenu {
+ private Button mButton;
+ private PopupMenu mPopupMenu;
+ //声明一个下拉菜单
+ private Menu mMenu;
+
+ public DropdownMenu(Context context, Button button, int menuId) {
+ mButton = button;
+ mButton.setBackgroundResource(R.drawable.dropdown_icon);
+ //设置这个view的背景
+ mPopupMenu = new PopupMenu(context, mButton);
+ mMenu = mPopupMenu.getMenu();
+ mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
+ //MenuInflater是用来实例化Menu目录下的Menu布局文件
+ //根据ID来确认menu的内容选项
+ mButton.setOnClickListener(new OnClickListener() {
+ public void onClick(View v) {
+ mPopupMenu.show();
+ }
+ });
+ }
+
+ public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
+ if (mPopupMenu != null) {
+ mPopupMenu.setOnMenuItemClickListener(listener);
+ }//设置菜单的监听
+ }
+
+ public MenuItem findItem(int id) {
+ return mMenu.findItem(id);
+ }//对于菜单选项的初始化,根据索引搜索菜单需要的选项
+
+ public void setTitle(CharSequence title) {
+ mButton.setText(title);
+ }//布局文件,设置标题
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/FoldersListAdapter.txt b/doc/210340006杜煜晗/ui包/FoldersListAdapter.txt
new file mode 100644
index 0000000..4fbe285
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/FoldersListAdapter.txt
@@ -0,0 +1,71 @@
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+
+
+public class FoldersListAdapter extends CursorAdapter {
+ //CursorAdapter是Cursor和ListView的接口
+ //FoldersListAdapter继承了CursorAdapter的类
+ //主要作用是便签数据库和用户的交互
+ //这里就是用folder(文件夹)的形式展现给用户
+ public static final String [] PROJECTION = {
+ NoteColumns.ID,
+ NoteColumns.SNIPPET
+ };//调用数据库中便签的ID和片段
+
+ public static final int ID_COLUMN = 0;
+ public static final int NAME_COLUMN = 1;
+
+ public FoldersListAdapter(Context context, Cursor c) {
+ super(context, c);
+ // TODO Auto-generated constructor stub
+ }//数据库操作
+
+ @Override
+ public View newView(Context context, Cursor cursor, ViewGroup parent) {
+ //ViewGroup是容器
+ return new FolderListItem(context);
+ }//创建一个文件夹,对于各文件夹中子标签的初始化
+
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ if (view instanceof FolderListItem) {
+ String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
+ .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
+ ((FolderListItem) view).bind(folderName);
+ }
+ }//将各个布局文件绑定起来
+
+ public String getFolderName(Context context, int position) {
+ Cursor cursor = (Cursor) getItem(position);
+ return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
+ .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
+ }//根据数据库中标签的ID得到标签的各项内容
+
+ private class FolderListItem extends LinearLayout {
+ private TextView mName;
+
+ public FolderListItem(Context context) {
+ super(context);
+ //操作数据库
+ inflate(context, R.layout.folder_list_item, this);
+ //根据布局文件的名字等信息将其找出来
+ mName = (TextView) findViewById(R.id.tv_folder_name);
+ }
+
+ public void bind(String name) {
+ mName.setText(name);
+ }
+ }
+
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/NoteEditActivity.txt b/doc/210340006杜煜晗/ui包/NoteEditActivity.txt
new file mode 100644
index 0000000..40d766a
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/NoteEditActivity.txt
@@ -0,0 +1,1068 @@
+
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlarmManager;
+import android.app.AlertDialog;
+import android.app.PendingIntent;
+import android.app.SearchManager;
+import android.appwidget.AppWidgetManager;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.graphics.Paint;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.TextUtils;
+import android.text.format.DateUtils;
+import android.text.style.BackgroundColorSpan;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.WindowManager;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.TextNote;
+import net.micode.notes.model.WorkingNote;
+import net.micode.notes.model.WorkingNote.NoteSettingChangedListener;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.tool.ResourceParser.TextAppearanceResources;
+import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
+import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
+import net.micode.notes.widget.NoteWidgetProvider_2x;
+import net.micode.notes.widget.NoteWidgetProvider_4x;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class NoteEditActivity extends Activity implements OnClickListener,
+ NoteSettingChangedListener, OnTextViewChangeListener {
+ //该类主要是针对标签的编辑
+ //继承了系统内部许多和监听有关的类
+ private class HeadViewHolder {
+ public TextView tvModified;
+
+ public ImageView ivAlertIcon;
+
+ public TextView tvAlertDate;
+
+ public ImageView ibSetBgColor;
+ }
+ //使用Map实现数据存储
+ private static final Map sBgSelectorBtnsMap = new HashMap();
+ static {
+ sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
+ sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
+ sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
+ sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
+ sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
+ //put函数是将指定值和指定键相连
+ }
+
+ private static final Map sBgSelectorSelectionMap = new HashMap();
+ static {
+ sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
+ sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
+ sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
+ sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
+ sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
+ //put函数是将指定值和指定键相连
+ }
+
+ private static final Map sFontSizeBtnsMap = new HashMap();
+ static {
+ sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
+ sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
+ sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
+ sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
+ //put函数是将指定值和指定键相连
+ }
+
+ private static final Map sFontSelectorSelectionMap = new HashMap();
+ static {
+ sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
+ sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
+ sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
+ sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
+ //put函数是将指定值和指定键相连
+ }
+
+ private static final String TAG = "NoteEditActivity";
+
+ private HeadViewHolder mNoteHeaderHolder;
+
+ private View mHeadViewPanel;
+ //私有化一个界面操作mHeadViewPanel,对表头的操作
+ private View mNoteBgColorSelector;
+ //私有化一个界面操作mNoteBgColorSelector,对背景颜色的操作
+ private View mFontSizeSelector;
+ //私有化一个界面操作mFontSizeSelector,对标签字体的操作
+ private EditText mNoteEditor;
+ //声明编辑控件,对文本操作
+ private View mNoteEditorPanel;
+ //私有化一个界面操作mNoteEditorPanel,文本编辑的控制板
+ //private WorkingNote mWorkingNote;
+ public WorkingNote mWorkingNote;
+ //对模板WorkingNote的初始化
+ private SharedPreferences mSharedPrefs;
+ //私有化SharedPreferences的数据存储方式
+ //它的本质是基于XML文件存储key-value键值对数据
+ private int mFontSizeId;
+ //用于操作字体的大小
+ private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
+
+ private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
+
+ public static final String TAG_CHECKED = String.valueOf('\u221A');
+ public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
+
+ private LinearLayout mEditTextList;
+ //线性布局
+ private String mUserQuery;
+ private Pattern mPattern;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ this.setContentView(R.layout.note_edit);
+ //对数据库的访问操作
+ if (savedInstanceState == null && !initActivityState(getIntent())) {
+ finish();
+ return;
+ }
+ initResources();
+ }
+
+ /**
+ * Current activity may be killed when the memory is low. Once it is killed, for another time
+ * user load this activity, we should restore the former state
+ */
+ @Override
+ protected void onRestoreInstanceState(Bundle savedInstanceState) {
+ super.onRestoreInstanceState(savedInstanceState);
+ if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
+ Intent intent = new Intent(Intent.ACTION_VIEW);
+ intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
+ if (!initActivityState(intent)) {
+ finish();
+ return;
+ }
+ Log.d(TAG, "Restoring from killed activity");
+ }//为防止内存不足时程序的终止,在这里有一个保存现场的函数
+ }
+
+ private boolean initActivityState(Intent intent) {
+ /**
+ * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
+ * then jump to the NotesListActivity
+ */
+ mWorkingNote = null;
+ if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
+ long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
+ mUserQuery = "";
+ //如果用户实例化标签时,系统并未给出标签ID
+ /**
+ * Starting from the searched result
+ */
+ //根据键值查找ID
+ if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
+ noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
+ mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
+ }
+ //如果ID在数据库中未找到
+ if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
+ Intent jump = new Intent(this, NotesListActivity.class);
+ startActivity(jump);
+ //程序将跳转到上面声明的intent——jump
+ showToast(R.string.error_note_not_exist);
+ finish();
+ return false;
+ }
+ //ID在数据库中找到
+ else {
+ mWorkingNote = WorkingNote.load(this, noteId);
+ if (mWorkingNote == null) {
+ Log.e(TAG, "load note failed with note id" + noteId);
+ //打印出红色的错误信息
+ finish();
+ return false;
+ }
+ }
+ //setSoftInputMode——软键盘输入模式
+ getWindow().setSoftInputMode(
+ WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
+ | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
+ } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
+ // intent.getAction()
+ // 大多用于broadcast发送广播时给机制(intent)设置一个action,就是一个字符串
+ // 用户可以通过receive(接受)intent,通过 getAction得到的字符串,来决定做什么
+ long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
+ int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
+ AppWidgetManager.INVALID_APPWIDGET_ID);
+ int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE,
+ Notes.TYPE_WIDGET_INVALIDE);
+ int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
+ ResourceParser.getDefaultBgId(this));
+ // intent.getInt(Long、String)Extra是对各变量的语法分析
+ // Parse call-record note
+ String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
+ long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
+ if (callDate != 0 && phoneNumber != null) {
+ if (TextUtils.isEmpty(phoneNumber)) {
+ Log.w(TAG, "The call record number is null");
+ }
+ long noteId = 0;
+ if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
+ phoneNumber, callDate)) > 0) {
+ mWorkingNote = WorkingNote.load(this, noteId);
+ if (mWorkingNote == null) {
+ Log.e(TAG, "load call note failed with note id" + noteId);
+ finish();
+ return false;
+ }
+ //将电话号码与手机的号码簿相关
+ } else {
+ mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
+ widgetType, bgResId);
+ mWorkingNote.convertToCallNote(phoneNumber, callDate);
+ //
+ }
+ } else {
+ mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
+ bgResId);
+ }//创建一个新的WorkingNote
+
+ getWindow().setSoftInputMode(
+ WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
+ | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
+ } else {
+ Log.e(TAG, "Intent not specified action, should not support");
+ finish();
+ return false;
+ }
+ mWorkingNote.setOnSettingStatusChangedListener(this);
+ return true;
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+ initNoteScreen();
+ }
+
+ private void initNoteScreen() {
+ //对界面的初始化操作
+ mNoteEditor.setTextAppearance(this, TextAppearanceResources
+ .getTexAppearanceResource(mFontSizeId));
+ //设置外观
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ switchToListMode(mWorkingNote.getContent());
+ } else {
+ mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+ mNoteEditor.setSelection(mNoteEditor.getText().length());
+ }
+ for (Integer id : sBgSelectorSelectionMap.keySet()) {
+ findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
+ }
+ mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
+ mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
+
+ mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
+ mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
+ | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
+ | DateUtils.FORMAT_SHOW_YEAR));
+
+ /**
+ * TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker
+ * is not ready
+ */
+ showAlertHeader();
+ }
+ //设置闹钟的显示
+ private void showAlertHeader() {
+ if (mWorkingNote.hasClockAlert()) {
+ long time = System.currentTimeMillis();
+ if (time > mWorkingNote.getAlertDate()) {
+ mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
+ }
+ //如果系统时间大于了闹钟设置的时间,那么闹钟失效
+ else {
+ mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
+ mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
+ }
+ mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
+ mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
+ //显示闹钟开启的图标
+ } else {
+ mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
+ mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
+ };
+ }
+
+ @Override
+ protected void onNewIntent(Intent intent) {
+ super.onNewIntent(intent);
+ initActivityState(intent);
+ }
+
+ @Override
+ protected void onSaveInstanceState(Bundle outState) {
+ super.onSaveInstanceState(outState);
+ /**
+ * For new note without note id, we should firstly save it to
+ * generate a id. If the editing note is not worth saving, there
+ * is no id which is equivalent to create new note
+ */
+ if (!mWorkingNote.existInDatabase()) {
+ saveNote();
+ }
+ //在创建一个新的标签时,先在数据库中匹配
+ //如果不存在,那么先在数据库中存储
+ outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
+ Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
+ }
+
+ @Override
+ //MotionEvent是对屏幕触控的传递机制
+ public boolean dispatchTouchEvent(MotionEvent ev) {
+ if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
+ && !inRangeOfView(mNoteBgColorSelector, ev)) {
+ mNoteBgColorSelector.setVisibility(View.GONE);
+ return true;
+ }//颜色选择器在屏幕上可见
+
+ if (mFontSizeSelector.getVisibility() == View.VISIBLE
+ && !inRangeOfView(mFontSizeSelector, ev)) {
+ mFontSizeSelector.setVisibility(View.GONE);
+ return true;
+ }//字体大小选择器在屏幕上可见
+ return super.dispatchTouchEvent(ev);
+ }
+ //对屏幕触控的坐标进行操作
+ private boolean inRangeOfView(View view, MotionEvent ev) {
+ int []location = new int[2];
+ view.getLocationOnScreen(location);
+ int x = location[0];
+ int y = location[1];
+ if (ev.getX() < x
+ || ev.getX() > (x + view.getWidth())
+ || ev.getY() < y
+ || ev.getY() > (y + view.getHeight()))
+ //如果触控的位置超出了给定的范围,返回false
+ {
+ return false;
+ }
+ return true;
+ }
+
+ private void initResources() {
+ mHeadViewPanel = findViewById(R.id.note_title);
+ mNoteHeaderHolder = new HeadViewHolder();
+ mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
+ mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
+ mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
+ mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
+ mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);
+ mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
+ mNoteEditorPanel = findViewById(R.id.sv_note_edit);
+ mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
+ for (int id : sBgSelectorBtnsMap.keySet()) {
+ ImageView iv = (ImageView) findViewById(id);
+ iv.setOnClickListener(this);
+ }//对标签各项属性内容的初始化
+
+ mFontSizeSelector = findViewById(R.id.font_size_selector);
+ for (int id : sFontSizeBtnsMap.keySet()) {
+ View view = findViewById(id);
+ view.setOnClickListener(this);
+ };//对字体大小的选择
+ mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+ mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
+ /**
+ * HACKME: Fix bug of store the resource id in shared preference.
+ * The id may larger than the length of resources, in this case,
+ * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
+ */
+ if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
+ mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
+ }
+ mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
+ }
+
+ @Override
+ protected void onPause() {
+ super.onPause();
+ if(saveNote()) {
+ Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
+ }
+ clearSettingState();
+ }
+ //和桌面小工具的同步
+ private void updateWidget() {
+ Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+ if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
+ intent.setClass(this, NoteWidgetProvider_2x.class);
+ } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
+ intent.setClass(this, NoteWidgetProvider_4x.class);
+ } else {
+ Log.e(TAG, "Unspported widget type");
+ return;
+ }
+
+ intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
+ mWorkingNote.getWidgetId()
+ });
+
+ sendBroadcast(intent);
+ setResult(RESULT_OK, intent);
+ }
+
+ public void onClick(View v) {
+ int id = v.getId();
+ if (id == R.id.btn_set_bg_color) {
+ mNoteBgColorSelector.setVisibility(View.VISIBLE);
+ findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+ - View.VISIBLE);
+ } else if (sBgSelectorBtnsMap.containsKey(id)) {
+ findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+ View.GONE);
+ mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id));
+ mNoteBgColorSelector.setVisibility(View.GONE);
+ } else if (sFontSizeBtnsMap.containsKey(id)) {
+ findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
+ mFontSizeId = sFontSizeBtnsMap.get(id);
+ mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
+ findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ getWorkingText();
+ switchToListMode(mWorkingNote.getContent());
+ } else {
+ mNoteEditor.setTextAppearance(this,
+ TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
+ }
+ mFontSizeSelector.setVisibility(View.GONE);
+ }
+ }//************************存在问题
+
+ @Override
+ public void onBackPressed() {
+ if(clearSettingState()) {
+ return;
+ }
+
+ saveNote();
+ super.onBackPressed();
+ }
+
+ private boolean clearSettingState() {
+ if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
+ mNoteBgColorSelector.setVisibility(View.GONE);
+ return true;
+ } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
+ mFontSizeSelector.setVisibility(View.GONE);
+ return true;
+ }
+ return false;
+ }
+
+ public void onBackgroundColorChanged() {
+ findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
+ View.VISIBLE);
+ mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
+ mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
+ }
+
+ @Override
+ //对选择菜单的准备
+ public boolean onPrepareOptionsMenu(Menu menu) {
+ if (isFinishing()) {
+ return true;
+ }
+ clearSettingState();
+ menu.clear();
+ if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
+ getMenuInflater().inflate(R.menu.call_note_edit, menu);
+ // MenuInflater是用来实例化Menu目录下的Menu布局文件的
+ } else {
+ getMenuInflater().inflate(R.menu.note_edit, menu);
+ }
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
+ } else {
+ menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
+ }
+ if (mWorkingNote.hasClockAlert()) {
+ menu.findItem(R.id.menu_alert).setVisible(false);
+ } else {
+ menu.findItem(R.id.menu_delete_remind).setVisible(false);
+ }
+ return true;
+ }
+
+ @Override
+ /*
+ * 函数功能:动态改变菜单选项内容
+ * 函数实现:如下注释
+ */
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ //根据菜单的id来编剧相关项目
+ case R.id.menu_new_note:
+ //创建一个新的便签
+ createNewNote();
+ break;
+ case R.id.menu_delete:
+ //删除便签
+ AlertDialog.Builder builder = new AlertDialog.Builder(this);
+ //创建关于删除操作的对话框
+ builder.setTitle(getString(R.string.alert_title_delete));
+ // 设置标签的标题为alert_title_delete
+ builder.setIcon(android.R.drawable.ic_dialog_alert);
+ //设置对话框图标
+ builder.setMessage(getString(R.string.alert_message_delete_note));
+ //设置对话框内容
+ builder.setPositiveButton(android.R.string.ok,
+ new DialogInterface.OnClickListener() {
+ //建立按键监听器
+ public void onClick(DialogInterface dialog, int which) {
+ //点击所触发事件
+ deleteCurrentNote();
+ // 删除单签便签
+ finish();
+ }
+ });
+ //添加“YES”按钮
+ builder.setNegativeButton(android.R.string.cancel, null);
+ //添加“NO”的按钮
+ builder.show();
+ //显示对话框
+ break;
+ case R.id.menu_font_size:
+ //字体大小的编辑
+ mFontSizeSelector.setVisibility(View.VISIBLE);
+ // 将字体选择器置为可见
+ findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
+ // 通过id找到相应的大小
+ break;
+ case R.id.menu_list_mode:
+ //选择列表模式
+ mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
+ TextNote.MODE_CHECK_LIST : 0);
+ break;
+ case R.id.menu_share:
+ //菜单共享
+ getWorkingText();
+ sendTo(this, mWorkingNote.getContent());
+ // 用sendto函数将运行文本发送到遍历的本文内
+ break;
+ case R.id.menu_send_to_desktop:
+ //发送到桌面
+ sendToDesktop();
+ break;
+ case R.id.menu_alert:
+ //创建提醒器
+ setReminder();
+ break;
+ case R.id.menu_delete_remind:
+ //删除日期提醒
+ mWorkingNote.setAlertDate(0, false);
+ break;
+ default:
+ break;
+ }
+ return true;
+ }
+
+ /*
+ * 函数功能:建立事件提醒器
+ * 函数实现:如下注释
+ */
+ private void setReminder() {
+ DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
+ // 建立修改时间日期的对话框
+ d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
+ public void OnDateTimeSet(AlertDialog dialog, long date) {
+ mWorkingNote.setAlertDate(date , true);
+ //选择提醒的日期
+ }
+ });
+ //建立时间日期的监听器
+ d.show();
+ //显示对话框
+ }
+
+ /**
+ * Share note to apps that support {@link Intent#ACTION_SEND} action
+ * and {@text/plain} type
+ */
+ /*
+ * 函数功能:共享便签
+ * 函数实现:如下注释
+ */
+ private void sendTo(Context context, String info) {
+ Intent intent = new Intent(Intent.ACTION_SEND);
+ //建立intent链接选项
+ intent.putExtra(Intent.EXTRA_TEXT, info);
+ //将需要传递的便签信息放入text文件中
+ intent.setType("text/plain");
+ //编辑连接器的类型
+ context.startActivity(intent);
+ //在acti中进行链接
+ }
+
+ /*
+ * 函数功能:创建一个新的便签
+ * 函数实现:如下注释
+ */
+ private void createNewNote() {
+ // Firstly, save current editing notes
+ //保存当前便签
+ saveNote();
+
+ // For safety, start a new NoteEditActivity
+ finish();
+ Intent intent = new Intent(this, NoteEditActivity.class);
+ //设置链接器
+ intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+ //该活动定义为创建或编辑
+ intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
+ //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中
+ startActivity(intent);
+ //开始activity并链接
+ }
+
+ /*
+ * 函数功能:删除当前便签
+ * 函数实现:如下注释
+ */
+ private void deleteCurrentNote() {
+ if (mWorkingNote.existInDatabase()) {
+ //假如当前运行的便签内存有数据
+ HashSet ids = new HashSet();
+ long id = mWorkingNote.getNoteId();
+ if (id != Notes.ID_ROOT_FOLDER) {
+ ids.add(id);
+ //如果不是头文件夹建立一个hash表把便签id存起来
+ } else {
+ Log.d(TAG, "Wrong note id, should not happen");
+ //否则报错
+ }
+ if (!isSyncMode()) {
+ //在非同步模式情况下
+ //删除操作
+ if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
+ Log.e(TAG, "Delete Note error");
+ }
+ } else {
+ //同步模式
+ //移动至垃圾文件夹的操作
+ if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
+ Log.e(TAG, "Move notes to trash folder error, should not happens");
+ }
+ }
+ }
+ mWorkingNote.markDeleted(true);
+ //将这些标签的删除标记置为true
+ }
+
+ /*
+ * 函数功能:判断是否为同步模式
+ * 函数实现:直接看NotesPreferenceActivity中同步名称是否为空
+ */
+ private boolean isSyncMode() {
+ return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
+ }
+
+ /*
+ * 函数功能:设置提醒时间
+ * 函数实现:如下注释
+ */
+ public void onClockAlertChanged(long date, boolean set) {
+ /**
+ * User could set clock to an unsaved note, so before setting the
+ * alert clock, we should save the note first
+ */
+ if (!mWorkingNote.existInDatabase()) {
+ //首先保存已有的便签
+ saveNote();
+ }
+ if (mWorkingNote.getNoteId() > 0) {
+ Intent intent = new Intent(this, AlarmReceiver.class);
+ intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
+ //若有有运行的便签就是建立一个链接器将标签id都存在uri中
+ PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
+ AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
+ //设置提醒管理器
+ showAlertHeader();
+ if(!set) {
+ alarmManager.cancel(pendingIntent);
+ } else {
+ alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
+ }
+ //如果用户设置了时间,就通过提醒管理器设置一个监听事项
+ } else {
+ /**
+ * There is the condition that user has input nothing (the note is
+ * not worthy saving), we have no note id, remind the user that he
+ * should input something
+ */
+ //没有运行的便签就报错
+ Log.e(TAG, "Clock alert setting error");
+ showToast(R.string.error_note_empty_for_clock);
+ }
+ }
+
+ /*
+ * 函数功能:Widget发生改变的所触发的事件
+ */
+ public void onWidgetChanged() {
+ updateWidget();//更新Widget
+ }
+
+ /*
+ * 函数功能: 删除编辑文本框所触发的事件
+ * 函数实现:如下注释
+ */
+ public void onEditTextDelete(int index, String text) {
+ int childCount = mEditTextList.getChildCount();
+ if (childCount == 1) {
+ return;
+ }
+ //没有编辑框的话直接返回
+ for (int i = index + 1; i < childCount; i++) {
+ ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
+ .setIndex(i - 1);
+ //通过id把编辑框存在便签编辑框中
+ }
+
+ mEditTextList.removeViewAt(index);
+ //删除特定位置的视图
+ NoteEditText edit = null;
+ if(index == 0) {
+ edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
+ R.id.et_edit_text);
+ } else {
+ edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
+ R.id.et_edit_text);
+ }
+ //通过id把编辑框存在空的NoteEditText中
+ int length = edit.length();
+ edit.append(text);
+ edit.requestFocus();//请求优先完成该此 编辑
+ edit.setSelection(length);//定位到length位置处的条目
+ }
+
+ /*
+ * 函数功能:进入编辑文本框所触发的事件
+ * 函数实现:如下注释
+ */
+ public void onEditTextEnter(int index, String text) {
+ /**
+ * Should not happen, check for debug
+ */
+ if(index > mEditTextList.getChildCount()) {
+ Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
+ //越界把偶偶
+ }
+
+ View view = getListItem(text, index);
+ mEditTextList.addView(view, index);
+ //建立一个新的视图并添加到编辑文本框内
+ NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+ edit.requestFocus();//请求优先操作
+ edit.setSelection(0);//定位到起始位置
+ for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
+ ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
+ .setIndex(i);
+ //遍历子文本框并设置对应对下标
+ }
+ }
+
+ /*
+ * 函数功能:切换至列表模式
+ * 函数实现:如下注释
+ */
+ private void switchToListMode(String text) {
+ mEditTextList.removeAllViews();
+ String[] items = text.split("\n");
+ int index = 0;
+ //清空所有视图,初始化下标
+ for (String item : items) {
+ if(!TextUtils.isEmpty(item)) {
+ mEditTextList.addView(getListItem(item, index));
+ index++;
+ //遍历所有文本单元并添加到文本框中
+ }
+ }
+ mEditTextList.addView(getListItem("", index));
+ mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
+ //优先请求此操作
+
+ mNoteEditor.setVisibility(View.GONE);
+ //便签编辑器不可见
+ mEditTextList.setVisibility(View.VISIBLE);
+ //将文本编辑框置为可见
+ }
+
+ /*
+ * 函数功能:获取高亮效果的反馈情况
+ * 函数实现:如下注释
+ */
+ private Spannable getHighlightQueryResult(String fullText, String userQuery) {
+ SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
+ //新建一个效果选项
+ if (!TextUtils.isEmpty(userQuery)) {
+ mPattern = Pattern.compile(userQuery);
+ //将用户的询问进行解析
+ Matcher m = mPattern.matcher(fullText);
+ //建立一个状态机检查Pattern并进行匹配
+ int start = 0;
+ while (m.find(start)) {
+ spannable.setSpan(
+ new BackgroundColorSpan(this.getResources().getColor(
+ R.color.user_query_highlight)), m.start(), m.end(),
+ Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+ //设置背景颜色
+ start = m.end();
+ //跟新起始位置
+ }
+ }
+ return spannable;
+ }
+
+ /*
+ * 函数功能:获取列表项
+ * 函数实现:如下注释
+ */
+ private View getListItem(String item, int index) {
+ View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
+ //创建一个视图
+ final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+ edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
+ //创建一个文本编辑框并设置可见性
+ CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
+ cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+ if (isChecked) {
+ edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
+ } else {
+ edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
+ }
+ }
+ });
+ //建立一个打钩框并设置监听器
+
+ if (item.startsWith(TAG_CHECKED)) {
+ //选择勾选
+ cb.setChecked(true);
+ edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
+ item = item.substring(TAG_CHECKED.length(), item.length()).trim();
+ } else if (item.startsWith(TAG_UNCHECKED)) {
+ //选择不勾选
+ cb.setChecked(false);
+ edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
+ item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
+ }
+
+ edit.setOnTextViewChangeListener(this);
+ edit.setIndex(index);
+ edit.setText(getHighlightQueryResult(item, mUserQuery));
+ //运行编辑框的监听器对该行为作出反应,并设置下标及文本内容
+ return view;
+ }
+
+ /*
+ * 函数功能:便签内容发生改变所 触发的事件
+ * 函数实现:如下注释
+ */
+ public void onTextChange(int index, boolean hasText) {
+ if (index >= mEditTextList.getChildCount()) {
+ Log.e(TAG, "Wrong index, should not happen");
+ return;
+ //越界报错
+ }
+ if(hasText) {
+ mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
+ } else {
+ mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
+ }
+ //如果内容不为空则将其子编辑框可见性置为可见,否则不可见
+ }
+
+ /*
+ * 函数功能:检查模式和列表模式的切换
+ * 函数实现:如下注释
+ */
+ public void onCheckListModeChanged(int oldMode, int newMode) {
+ if (newMode == TextNote.MODE_CHECK_LIST) {
+ switchToListMode(mNoteEditor.getText().toString());
+ //检查模式切换到列表模式
+ } else {
+ if (!getWorkingText()) {
+ mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
+ ""));
+ }
+ //若是获取到文本就改变其检查标记
+ mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+ mEditTextList.setVisibility(View.GONE);
+ mNoteEditor.setVisibility(View.VISIBLE);
+ //修改文本编辑器的内容和可见性
+ }
+ }
+
+ /*
+ * 函数功能:设置勾选选项表并返回是否勾选的标记
+ * 函数实现:如下注释
+ */
+ private boolean getWorkingText() {
+ boolean hasChecked = false;
+ //初始化check标记
+ if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
+ // 若模式为CHECK_LIST
+ StringBuilder sb = new StringBuilder();
+ //创建可变字符串
+ for (int i = 0; i < mEditTextList.getChildCount(); i++) {
+ View view = mEditTextList.getChildAt(i);
+ //遍历所有子编辑框的视图
+ NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
+ if (!TextUtils.isEmpty(edit.getText())) {
+ //若文本不为空
+ if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
+ //该选项框已打钩
+ sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
+ hasChecked = true;
+ //扩展字符串为已打钩并把标记置true
+ } else {
+ sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
+ //扩展字符串添加未打钩
+ }
+ }
+ }
+ mWorkingNote.setWorkingText(sb.toString());
+ //利用编辑好的字符串设置运行便签的内容
+ } else {
+ mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
+ // 若不是该模式直接用编辑器中的内容设置运行中标签的内容
+ }
+ return hasChecked;
+ }
+
+ /*
+ * 函数功能:保存便签
+ * 函数实现:如下注释
+ */
+ private boolean saveNote() {
+ getWorkingText();
+ boolean saved = mWorkingNote.saveNote();
+ //运行 getWorkingText()之后保存
+ if (saved) {
+ /**
+ * There are two modes from List view to edit view, open one note,
+ * create/edit a node. Opening node requires to the original
+ * position in the list when back from edit view, while creating a
+ * new node requires to the top of the list. This code
+ * {@link #RESULT_OK} is used to identify the create/edit state
+ */
+ //如英文注释所说链接RESULT_OK是为了识别保存的2种情况,一是创建后保存,二是修改后保存
+ setResult(RESULT_OK);
+ }
+ return saved;
+ }
+
+ /*
+ * 函数功能:将便签发送至桌面
+ * 函数实现:如下注释
+ */
+ private void sendToDesktop() {
+ /**
+ * Before send message to home, we should make sure that current
+ * editing note is exists in databases. So, for new note, firstly
+ * save it
+ */
+ if (!mWorkingNote.existInDatabase()) {
+ saveNote();
+ //若不存在数据也就是新的标签就保存起来先
+ }
+
+ if (mWorkingNote.getNoteId() > 0) {
+ //若是有内容
+ Intent sender = new Intent();
+ Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
+ //建立发送到桌面的连接器
+ shortcutIntent.setAction(Intent.ACTION_VIEW);
+ //链接为一个视图
+ shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
+ sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
+ sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
+ makeShortcutIconTitle(mWorkingNote.getContent()));
+ sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
+ Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
+ sender.putExtra("duplicate", true);
+ //将便签的相关信息都添加到要发送的文件里
+ sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
+ //设置sneder的行为是发送
+ showToast(R.string.info_note_enter_desktop);
+ sendBroadcast(sender);
+ //显示到桌面
+ } else {
+ /**
+ * There is the condition that user has input nothing (the note is
+ * not worthy saving), we have no note id, remind the user that he
+ * should input something
+ */
+ Log.e(TAG, "Send to desktop error");
+ showToast(R.string.error_note_empty_for_send_to_desktop);
+ //空便签直接报错
+ }
+ }
+
+ /*
+ * 函数功能:编辑小图标的标题
+ * 函数实现:如下注释
+ */
+ private String makeShortcutIconTitle(String content) {
+ content = content.replace(TAG_CHECKED, "");
+ content = content.replace(TAG_UNCHECKED, "");
+ return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
+ SHORTCUT_ICON_TITLE_MAX_LEN) : content;
+ //直接设置为content中的内容并返回,有勾选和未勾选2种
+ }
+
+ /*
+ * 函数功能:显示提示的视图
+ * 函数实现:根据下标显示对应的提示
+ */
+ private void showToast(int resId) {
+ showToast(resId, Toast.LENGTH_SHORT);
+ }
+
+ /*
+ * 函数功能:持续显示提示的视图
+ * 函数实现:根据下标和持续的时间(duration)编辑提示视图并显示
+ */
+ private void showToast(int resId, int duration) {
+ Toast.makeText(this, resId, duration).show();
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/NoteEditText.txt b/doc/210340006杜煜晗/ui包/NoteEditText.txt
new file mode 100644
index 0000000..fa3db89
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/NoteEditText.txt
@@ -0,0 +1,270 @@
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.text.Layout;
+import android.text.Selection;
+import android.text.Spanned;
+import android.text.TextUtils;
+import android.text.style.URLSpan;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.KeyEvent;
+import android.view.MenuItem;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.MotionEvent;
+import android.widget.EditText;
+
+import net.micode.notes.R;
+
+import java.util.HashMap;
+import java.util.Map;
+
+//继承edittext,设置便签设置文本框
+public class NoteEditText extends EditText {
+ private static final String TAG = "NoteEditText";
+ private int mIndex;
+ private int mSelectionStartBeforeDelete;
+
+ private static final String SCHEME_TEL = "tel:" ;
+ private static final String SCHEME_HTTP = "http:" ;
+ private static final String SCHEME_EMAIL = "mailto:" ;
+
+ ///建立一个字符和整数的hash表,用于链接电话,网站,还有邮箱
+ private static final Map sSchemaActionResMap = new HashMap();
+ static {
+ sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
+ sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web);
+ sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email);
+ }
+
+ /**
+ * Call by the {@link NoteEditActivity} to delete or add edit text
+ */
+ //在NoteEditActivity中删除或添加文本的操作,可以看做是一个文本是否被变的标记,英文注释已说明的很清楚
+ public interface OnTextViewChangeListener {
+ /**
+ * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
+ * and the text is null
+ */
+ //处理删除按键时的操作
+ void onEditTextDelete(int index, String text);
+
+ /**
+ * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
+ * happen
+ */
+ //处理进入按键时的操作
+ void onEditTextEnter(int index, String text);
+
+ /**
+ * Hide or show item option when text change
+ */
+ void onTextChange(int index, boolean hasText);
+ }
+
+ private OnTextViewChangeListener mOnTextViewChangeListener;
+
+ //根据context设置文本
+ public NoteEditText(Context context) {
+ super(context, null);//用super引用父类变量
+ mIndex = 0;
+ }
+
+ //设置当前光标
+ public void setIndex(int index) {
+ mIndex = index;
+ }
+
+ //初始化文本修改标记
+ public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
+ mOnTextViewChangeListener = listener;
+ }
+
+ //AttributeSet 百度了一下是自定义空控件属性,用于维护便签动态变化的属性
+ //初始化便签
+ public NoteEditText(Context context, AttributeSet attrs) {
+ super(context, attrs, android.R.attr.editTextStyle);
+ }
+
+ // 根据defstyle自动初始化
+ public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ // TODO Auto-generated construct or stub
+ }
+
+ @Override
+ //view里的函数,处理手机屏幕的所有事件
+ /*参数event为手机屏幕触摸事件封装类的对象,其中封装了该事件的所有信息,
+ 例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。*/
+ public boolean onTouchEvent(MotionEvent event) {
+ switch (event.getAction()) {
+ //重写了需要处理屏幕被按下的事件
+ case MotionEvent.ACTION_DOWN:
+ //跟新当前坐标值
+ int x = (int) event.getX();
+ int y = (int) event.getY();
+ x -= getTotalPaddingLeft();
+ y -= getTotalPaddingTop();
+ x += getScrollX();
+ y += getScrollY();
+
+ //用布局控件layout根据x,y的新值设置新的位置
+ Layout layout = getLayout();
+ int line = layout.getLineForVertical(y);
+ int off = layout.getOffsetForHorizontal(line, x);
+
+ //更新光标新的位置
+ Selection.setSelection(getText(), off);
+ break;
+ }
+
+ return super.onTouchEvent(event);
+ }
+
+ @Override
+ /*
+ * 函数功能:处理用户按下一个键盘按键时会触发 的事件
+ * 实现过程:如下注释
+ */
+ public boolean onKeyDown(int keyCode, KeyEvent event) {
+ switch (keyCode) {
+ //根据按键的 Unicode 编码值来处理
+ case KeyEvent.KEYCODE_ENTER:
+ //“进入”按键
+ if (mOnTextViewChangeListener != null) {
+ return false;
+ }
+ break;
+ case KeyEvent.KEYCODE_DEL:
+ //“删除”按键
+ mSelectionStartBeforeDelete = getSelectionStart();
+ break;
+ default:
+ break;
+ }
+ //继续执行父类的其他点击事件
+ return super.onKeyDown(keyCode, event);
+ }
+
+ @Override
+ /*
+ * 函数功能:处理用户松开一个键盘按键时会触发 的事件
+ * 实现方式:如下注释
+ */
+ public boolean onKeyUp(int keyCode, KeyEvent event) {
+ switch(keyCode) {
+ //根据按键的 Unicode 编码值来处理,有删除和进入2种操作
+ case KeyEvent.KEYCODE_DEL:
+ if (mOnTextViewChangeListener != null) {
+ //若是被修改过
+ if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
+ //若之前有被修改并且文档不为空
+ mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
+ //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除
+ return true;
+ }
+ } else {
+ Log.d(TAG, "OnTextViewChangeListener was not seted");
+ //其他情况报错,文档的改动监听器并没有建立
+ }
+ break;
+ case KeyEvent.KEYCODE_ENTER:
+ //同上也是分为监听器是否建立2种情况
+ if (mOnTextViewChangeListener != null) {
+ int selectionStart = getSelectionStart();
+ //获取当前位置
+ String text = getText().subSequence(selectionStart, length()).toString();
+ //获取当前文本
+ setText(getText().subSequence(0, selectionStart));
+ //根据获取的文本设置当前文本
+ mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
+ //当{@link KeyEvent#KEYCODE_ENTER}添加新文本
+ } else {
+ Log.d(TAG, "OnTextViewChangeListener was not seted");
+ //其他情况报错,文档的改动监听器并没有建立
+ }
+ break;
+ default:
+ break;
+ }
+ //继续执行父类的其他按键弹起的事件
+ return super.onKeyUp(keyCode, event);
+ }
+
+ @Override
+ /*
+ * 函数功能:当焦点发生变化时,会自动调用该方法来处理焦点改变的事件
+ * 实现方式:如下注释
+ * 参数:focused表示触发该事件的View是否获得了焦点,当该控件获得焦点时,Focused等于true,否则等于false。
+ direction表示焦点移动的方向,用数值表示
+ Rect:表示在触发事件的View的坐标系中,前一个获得焦点的矩形区域,即表示焦点是从哪里来的。如果不可用则为null
+ */
+ protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
+ if (mOnTextViewChangeListener != null) {
+ //若监听器已经建立
+ if (!focused && TextUtils.isEmpty(getText())) {
+ //获取到焦点并且文本不为空
+ mOnTextViewChangeListener.onTextChange(mIndex, false);
+ //mOnTextViewChangeListener子函数,置false隐藏事件选项
+ } else {
+ mOnTextViewChangeListener.onTextChange(mIndex, true);
+ //mOnTextViewChangeListener子函数,置true显示事件选项
+ }
+ }
+ //继续执行父类的其他焦点变化的事件
+ super.onFocusChanged(focused, direction, previouslyFocusedRect);
+ }
+
+ @Override
+ /*
+ * 函数功能:生成上下文菜单
+ * 函数实现:如下注释
+ */
+ protected void onCreateContextMenu(ContextMenu menu) {
+ if (getText() instanceof Spanned) {
+ //有文本存在
+ int selStart = getSelectionStart();
+ int selEnd = getSelectionEnd();
+ //获取文本开始和结尾位置
+
+ int min = Math.min(selStart, selEnd);
+ int max = Math.max(selStart, selEnd);
+ //获取开始到结尾的最大值和最小值
+
+ final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
+ //设置url的信息的范围值
+ if (urls.length == 1) {
+ int defaultResId = 0;
+ for(String schema: sSchemaActionResMap.keySet()) {
+ //获取计划表中所有的key值
+ if(urls[0].getURL().indexOf(schema) >= 0) {
+ //若url可以添加则在添加后将defaultResId置为key所映射的值
+ defaultResId = sSchemaActionResMap.get(schema);
+ break;
+ }
+ }
+
+ if (defaultResId == 0) {
+ //defaultResId == 0则说明url并没有添加任何东西,所以置为连接其他SchemaActionResMap的值
+ defaultResId = R.string.note_link_other;
+ }
+
+ //建立菜单
+ menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
+ new OnMenuItemClickListener() {
+ //新建按键监听器
+ public boolean onMenuItemClick(MenuItem item) {
+ // goto a new intent
+ urls[0].onClick(NoteEditText.this);
+ //根据相应的文本设置菜单的按键
+ return true;
+ }
+ });
+ }
+ }
+ //继续执行父类的其他菜单创建的事件
+ super.onCreateContextMenu(menu);
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/NoteItemData.txt b/doc/210340006杜煜晗/ui包/NoteItemData.txt
new file mode 100644
index 0000000..7b9be8d
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/NoteItemData.txt
@@ -0,0 +1,214 @@
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.text.TextUtils;
+
+import net.micode.notes.data.Contact;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.tool.DataUtils;
+
+
+public class NoteItemData {
+ static final String [] PROJECTION = new String [] {
+ NoteColumns.ID,
+ NoteColumns.ALERTED_DATE,
+ NoteColumns.BG_COLOR_ID,
+ NoteColumns.CREATED_DATE,
+ NoteColumns.HAS_ATTACHMENT,
+ NoteColumns.MODIFIED_DATE,
+ NoteColumns.NOTES_COUNT,
+ NoteColumns.PARENT_ID,
+ NoteColumns.SNIPPET,
+ NoteColumns.TYPE,
+ NoteColumns.WIDGET_ID,
+ NoteColumns.WIDGET_TYPE,
+ };
+ //常量标记和数据就不一一标记了,意义翻译基本就知道
+ private static final int ID_COLUMN = 0;
+ private static final int ALERTED_DATE_COLUMN = 1;
+ private static final int BG_COLOR_ID_COLUMN = 2;
+ private static final int CREATED_DATE_COLUMN = 3;
+ private static final int HAS_ATTACHMENT_COLUMN = 4;
+ private static final int MODIFIED_DATE_COLUMN = 5;
+ private static final int NOTES_COUNT_COLUMN = 6;
+ private static final int PARENT_ID_COLUMN = 7;
+ private static final int SNIPPET_COLUMN = 8;
+ private static final int TYPE_COLUMN = 9;
+ private static final int WIDGET_ID_COLUMN = 10;
+ private static final int WIDGET_TYPE_COLUMN = 11;
+
+ private long mId;
+ private long mAlertDate;
+ private int mBgColorId;
+ private long mCreatedDate;
+ private boolean mHasAttachment;
+ private long mModifiedDate;
+ private int mNotesCount;
+ private long mParentId;
+ private String mSnippet;
+ private int mType;
+ private int mWidgetId;
+ private int mWidgetType;
+ private String mName;
+ private String mPhoneNumber;
+
+ private boolean mIsLastItem;
+ private boolean mIsFirstItem;
+ private boolean mIsOnlyOneItem;
+ private boolean mIsOneNoteFollowingFolder;
+ private boolean mIsMultiNotesFollowingFolder;
+ //初始化NoteItemData,主要利用光标cursor获取的东西
+ public NoteItemData(Context context, Cursor cursor) {
+ //getxxx为转换格式
+ mId = cursor.getLong(ID_COLUMN);
+ mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
+ mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
+ mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN);
+ mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;
+ mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN);
+ mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
+ mParentId = cursor.getLong(PARENT_ID_COLUMN);
+ mSnippet = cursor.getString(SNIPPET_COLUMN);
+ mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
+ NoteEditActivity.TAG_UNCHECKED, "");
+ mType = cursor.getInt(TYPE_COLUMN);
+ mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
+ mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
+
+ //初始化电话号码的信息
+ mPhoneNumber = "";
+ if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
+ mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
+ if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串,则用contart功能连接
+ mName = Contact.getContact(context, mPhoneNumber);
+ if (mName == null) {
+ mName = mPhoneNumber;
+ }
+ }
+ }
+
+ if (mName == null) {
+ mName = "";
+ }
+ checkPostion(cursor);
+ }
+ ///根据鼠标的位置设置标记,和位置
+ private void checkPostion(Cursor cursor) {
+ //初始化几个标记,cursor具体功能笔记中已提到,不一一叙述
+ mIsLastItem = cursor.isLast() ? true : false;
+ mIsFirstItem = cursor.isFirst() ? true : false;
+ mIsOnlyOneItem = (cursor.getCount() == 1);
+ //初始化“多重子文件”“单一子文件”2个标记
+ mIsMultiNotesFollowingFolder = false;
+ mIsOneNoteFollowingFolder = false;
+
+ //主要是设置上诉2标记
+ if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素
+ int position = cursor.getPosition();
+ if (cursor.moveToPrevious()) {//获取光标位置后看上一行
+ if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
+ || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式
+ if (cursor.getCount() > (position + 1)) {
+ mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确
+ } else {
+ mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true
+ }
+ }
+ if (!cursor.moveToNext()) {//若不能再往下走则报错
+ throw new IllegalStateException("cursor move to previous but can't move back");
+ }
+ }
+ }
+ }
+///以下都是获取标记没什么好说的,不过倒数第二个需要说明下,很具体看下面
+ public boolean isOneFollowingFolder() {
+ return mIsOneNoteFollowingFolder;
+ }
+
+ public boolean isMultiFollowingFolder() {
+ return mIsMultiNotesFollowingFolder;
+ }
+
+ public boolean isLast() {
+ return mIsLastItem;
+ }
+
+ public String getCallName() {
+ return mName;
+ }
+
+ public boolean isFirst() {
+ return mIsFirstItem;
+ }
+
+ public boolean isSingle() {
+ return mIsOnlyOneItem;
+ }
+
+ public long getId() {
+ return mId;
+ }
+
+ public long getAlertDate() {
+ return mAlertDate;
+ }
+
+ public long getCreatedDate() {
+ return mCreatedDate;
+ }
+
+ public boolean hasAttachment() {
+ return mHasAttachment;
+ }
+
+ public long getModifiedDate() {
+ return mModifiedDate;
+ }
+
+ public int getBgColorId() {
+ return mBgColorId;
+ }
+
+ public long getParentId() {
+ return mParentId;
+ }
+
+ public int getNotesCount() {
+ return mNotesCount;
+ }
+
+ public long getFolderId () {
+ return mParentId;
+ }
+
+ public int getType() {
+ return mType;
+ }
+
+ public int getWidgetType() {
+ return mWidgetType;
+ }
+
+ public int getWidgetId() {
+ return mWidgetId;
+ }
+
+ public String getSnippet() {
+ return mSnippet;
+ }
+
+ public boolean hasAlert() {
+ return (mAlertDate > 0);
+ }
+
+ //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空,则isCallRecord为true
+ public boolean isCallRecord() {
+ return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
+ }
+
+ public static int getNoteType(Cursor cursor) {
+ return cursor.getInt(TYPE_COLUMN);
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/NotesListActivity.txt b/doc/210340006杜煜晗/ui包/NotesListActivity.txt
new file mode 100644
index 0000000..bc6c868
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/NotesListActivity.txt
@@ -0,0 +1,1002 @@
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.appwidget.AppWidgetManager;
+import android.content.AsyncQueryHandler;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.ActionMode;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.Display;
+import android.view.HapticFeedbackConstants;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.View.OnCreateContextMenuListener;
+import android.view.View.OnTouchListener;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.AdapterView.OnItemLongClickListener;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ListView;
+import android.widget.PopupMenu;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.remote.GTaskSyncService;
+import net.micode.notes.model.WorkingNote;
+import net.micode.notes.tool.BackupUtils;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
+import net.micode.notes.widget.NoteWidgetProvider_2x;
+import net.micode.notes.widget.NoteWidgetProvider_4x;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.HashSet;
+//主界面,一进入就是这个界面
+/**
+ * @author k
+ *
+ */
+public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { //没有用特定的标签加注释。。。感觉没有什么用
+ private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
+
+ private static final int FOLDER_LIST_QUERY_TOKEN = 1;
+
+ private static final int MENU_FOLDER_DELETE = 0;
+
+ private static final int MENU_FOLDER_VIEW = 1;
+
+ private static final int MENU_FOLDER_CHANGE_NAME = 2;
+
+ private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符
+
+ private enum ListEditState {
+ NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
+ };
+
+ private ListEditState mState;
+
+ private BackgroundQueryHandler mBackgroundQueryHandler;
+
+ private NotesListAdapter mNotesListAdapter;
+
+ private ListView mNotesListView;
+
+ private Button mAddNewNote;
+
+ private boolean mDispatch;
+
+ private int mOriginY;
+
+ private int mDispatchY;
+
+ private TextView mTitleBar;
+
+ private long mCurrentFolderId;
+
+ private ContentResolver mContentResolver;
+
+ private ModeCallback mModeCallBack;
+
+ private static final String TAG = "NotesListActivity";
+
+ public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
+
+ private NoteItemData mFocusNoteDataItem;
+
+ private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
+
+ private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"
+ + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
+ + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
+ + NoteColumns.NOTES_COUNT + ">0)";
+
+ private final static int REQUEST_CODE_OPEN_NODE = 102;
+ private final static int REQUEST_CODE_NEW_NODE = 103;
+
+ @Override
+ // 创建类
+ protected void onCreate(final Bundle savedInstanceState) { //需要是final类型 根据程序上下文环境,Java关键字final有“这是无法改变的”或者“终态的”含义,它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变:设计或效率。
+ // final类不能被继承,没有子类,final类中的方法默认是final的。
+ //final方法不能被子类的方法覆盖,但可以被继承。
+ //final成员变量表示常量,只能被赋值一次,赋值后值不再改变。
+ //final不能用于修饰构造方法。
+ super.onCreate(savedInstanceState); // 调用父类的onCreate函数
+ setContentView(R.layout.note_list);
+ initResources();
+
+ /**
+ * Insert an introduction when user firstly use this application
+ */
+ setAppInfoFromRawRes();
+ }
+
+ @Override
+ // 返回一些子模块完成的数据交给主Activity处理
+ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+ // 结果值 和 要求值 符合要求
+ if (resultCode == RESULT_OK
+ && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
+ mNotesListAdapter.changeCursor(null);
+ } else {
+ super.onActivityResult(requestCode, resultCode, data);
+ // 调用 Activity 的onActivityResult()
+ }
+ }
+
+ private void setAppInfoFromRawRes() {
+ // Android平台给我们提供了一个SharedPreferences类,它是一个轻量级的存储类,特别适合用于保存软件配置参数。
+ SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
+ if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
+ StringBuilder sb = new StringBuilder();
+ InputStream in = null;
+ try {
+ // 把资源文件放到应用程序的/raw/raw下,那么就可以在应用中使用getResources获取资源后,
+ // 以openRawResource方法(不带后缀的资源文件名)打开这个文件。
+ in = getResources().openRawResource(R.raw.introduction);
+ if (in != null) {
+ InputStreamReader isr = new InputStreamReader(in);
+ BufferedReader br = new BufferedReader(isr);
+ char [] buf = new char[1024]; // 自行定义的数值,使用者不知道有什么意义
+ int len = 0;
+ while ((len = br.read(buf)) > 0) {
+ sb.append(buf, 0, len);
+ }
+ } else {
+ Log.e(TAG, "Read introduction file error");
+ return;
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ return;
+ } finally {
+ if (in != null) {
+ try {
+ in.close();
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ // 创建空的WorkingNote
+ WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
+ AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
+ ResourceParser.RED);
+ note.setWorkingText(sb.toString());
+ if (note.saveNote()) {
+ // 更新保存note的信息
+ sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
+ } else {
+ Log.e(TAG, "Save introduction note error");
+ return;
+ }
+ }
+ }
+
+ @Override
+ protected void onStart() {
+ super.onStart();
+ startAsyncNotesListQuery();
+ }
+
+ // 初始化资源
+ private void initResources() {
+ mContentResolver = this.getContentResolver(); // 获取应用程序的数据,得到类似数据表的东西
+ mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
+ mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+
+ // findViewById 是安卓编程的定位函数,主要是引用.R文件里的引用名
+ mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView,作为Item的容器
+ mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
+ null, false);
+ mNotesListView.setOnItemClickListener(new OnListItemClickListener());
+ mNotesListView.setOnItemLongClickListener(this);
+ mNotesListAdapter = new NotesListAdapter(this);
+ mNotesListView.setAdapter(mNotesListAdapter);
+ mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮
+ mAddNewNote.setOnClickListener(this);
+ mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
+ mDispatch = false;
+ mDispatchY = 0;
+ mOriginY = 0;
+ mTitleBar = (TextView) findViewById(R.id.tv_title_bar);
+ mState = ListEditState.NOTE_LIST;
+ mModeCallBack = new ModeCallback();
+ }
+
+ // 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
+ private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
+ private DropdownMenu mDropDownMenu;
+ private ActionMode mActionMode;
+ private MenuItem mMoveMenu;
+
+ public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+ getMenuInflater().inflate(R.menu.note_list_options, menu);
+ menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
+ mMoveMenu = menu.findItem(R.id.move);
+ if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
+ || DataUtils.getUserFolderCount(mContentResolver) == 0) {
+ mMoveMenu.setVisible(false);
+ } else {
+ mMoveMenu.setVisible(true);
+ mMoveMenu.setOnMenuItemClickListener(this);
+ }
+ mActionMode = mode;
+ mNotesListAdapter.setChoiceMode(true);
+ mNotesListView.setLongClickable(false);
+ mAddNewNote.setVisibility(View.GONE);
+
+ View customView = LayoutInflater.from(NotesListActivity.this).inflate(
+ R.layout.note_list_dropdown_menu, null);
+ mode.setCustomView(customView);
+ mDropDownMenu = new DropdownMenu(NotesListActivity.this,
+ (Button) customView.findViewById(R.id.selection_menu),
+ R.menu.note_list_dropdown);
+ mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
+ public boolean onMenuItemClick(final MenuItem item) {
+ mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
+ updateMenu();
+ return true;
+ }
+
+ });
+ return true;
+ }
+
+ // 更新菜单
+ private void updateMenu() {
+ int selectedCount = mNotesListAdapter.getSelectedCount();
+ // Update dropdown menu
+ String format = getResources().getString(R.string.menu_select_title, selectedCount);
+ mDropDownMenu.setTitle(format); // 更改标题
+ MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
+ if (item != null) {
+ if (mNotesListAdapter.isAllSelected()) {
+ item.setChecked(true);
+ item.setTitle(R.string.menu_deselect_all);
+ } else {
+ item.setChecked(false);
+ item.setTitle(R.string.menu_select_all);
+ }
+ }
+ }
+
+ public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ public void onDestroyActionMode(ActionMode mode) {
+ mNotesListAdapter.setChoiceMode(false);
+ mNotesListView.setLongClickable(true);
+ mAddNewNote.setVisibility(View.VISIBLE);
+ }
+
+ public void finishActionMode() {
+ mActionMode.finish();
+ }
+
+ public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
+ boolean checked) {
+ mNotesListAdapter.setCheckedItem(position, checked);
+ updateMenu();
+ }
+
+ public boolean onMenuItemClick(MenuItem item) {
+ if (mNotesListAdapter.getSelectedCount() == 0) {
+ Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
+ Toast.LENGTH_SHORT).show();
+ return true;
+ }
+
+ switch (item.getItemId()) {
+ case R.id.delete:
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(getString(R.string.alert_title_delete));
+ builder.setIcon(android.R.drawable.ic_dialog_alert);
+ builder.setMessage(getString(R.string.alert_message_delete_notes,
+ mNotesListAdapter.getSelectedCount()));
+ builder.setPositiveButton(android.R.string.ok,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog,
+ int which) {
+ batchDelete();
+ }
+ });
+ builder.setNegativeButton(android.R.string.cancel, null);
+ builder.show();
+ break;
+ case R.id.move:
+ startQueryDestinationFolders();
+ break;
+ default:
+ return false;
+ }
+ return true;
+ }
+ }
+
+ private class NewNoteOnTouchListener implements OnTouchListener {
+
+ public boolean onTouch(View v, MotionEvent event) {
+ switch (event.getAction()) {
+ case MotionEvent.ACTION_DOWN: {
+ Display display = getWindowManager().getDefaultDisplay();
+ int screenHeight = display.getHeight();
+ int newNoteViewHeight = mAddNewNote.getHeight();
+ int start = screenHeight - newNoteViewHeight;
+ int eventY = start + (int) event.getY();
+ /**
+ * Minus TitleBar's height
+ */
+ if (mState == ListEditState.SUB_FOLDER) {
+ eventY -= mTitleBar.getHeight();
+ start -= mTitleBar.getHeight();
+ }
+ /**
+ * HACKME:When click the transparent part of "New Note" button, dispatch
+ * the event to the list view behind this button. The transparent part of
+ * "New Note" button could be expressed by formula y=-0.12x+94锛圲nit:pixel锛
+ * and the line top of the button. The coordinate based on left of the "New
+ * Note" button. The 94 represents maximum height of the transparent part.
+ * Notice that, if the background of the button changes, the formula should
+ * also change. This is very bad, just for the UI designer's strong requirement.
+ */
+ if (event.getY() < (event.getX() * (-0.12) + 94)) {
+ View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
+ - mNotesListView.getFooterViewsCount());
+ if (view != null && view.getBottom() > start
+ && (view.getTop() < (start + 94))) {
+ mOriginY = (int) event.getY();
+ mDispatchY = eventY;
+ event.setLocation(event.getX(), mDispatchY);
+ mDispatch = true;
+ return mNotesListView.dispatchTouchEvent(event);
+ }
+ }
+ break;
+ }
+ case MotionEvent.ACTION_MOVE: {
+ if (mDispatch) {
+ mDispatchY += (int) event.getY() - mOriginY;
+ event.setLocation(event.getX(), mDispatchY);
+ return mNotesListView.dispatchTouchEvent(event);
+ }
+ break;
+ }
+ default: {
+ if (mDispatch) {
+ event.setLocation(event.getX(), mDispatchY);
+ mDispatch = false;
+ return mNotesListView.dispatchTouchEvent(event);
+ }
+ break;
+ }
+ }
+ return false;
+ }
+
+ };
+
+ private void startAsyncNotesListQuery() {
+ String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
+ : NORMAL_SELECTION;
+ mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
+ Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
+ String.valueOf(mCurrentFolderId)
+ }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
+ }
+
+ private final class BackgroundQueryHandler extends AsyncQueryHandler {
+ public BackgroundQueryHandler(ContentResolver contentResolver) {
+ super(contentResolver);
+ }
+
+ @Override
+ protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
+ switch (token) {
+ case FOLDER_NOTE_LIST_QUERY_TOKEN:
+ mNotesListAdapter.changeCursor(cursor);
+ break;
+ case FOLDER_LIST_QUERY_TOKEN:
+ if (cursor != null && cursor.getCount() > 0) {
+ showFolderListMenu(cursor);
+ } else {
+ Log.e(TAG, "Query folder failed");
+ }
+ break;
+ default:
+ return;
+ }
+ }
+ }
+
+ private void showFolderListMenu(Cursor cursor) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(R.string.menu_title_select_folder);
+ final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
+ builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
+
+ public void onClick(DialogInterface dialog, int which) {
+ DataUtils.batchMoveToFolder(mContentResolver,
+ mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
+ Toast.makeText(
+ NotesListActivity.this,
+ getString(R.string.format_move_notes_to_folder,
+ mNotesListAdapter.getSelectedCount(),
+ adapter.getFolderName(NotesListActivity.this, which)),
+ Toast.LENGTH_SHORT).show();
+ mModeCallBack.finishActionMode();
+ }
+ });
+ builder.show();
+ }
+
+ private void createNewNote() {
+ Intent intent = new Intent(this, NoteEditActivity.class);
+ intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+ intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
+ this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
+ }
+
+ private void batchDelete() {
+ new AsyncTask>() {
+ protected HashSet doInBackground(Void... unused) {
+ HashSet widgets = mNotesListAdapter.getSelectedWidget();
+ if (!isSyncMode()) {
+ // if not synced, delete notes directly
+ if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter
+ .getSelectedItemIds())) {
+ } else {
+ Log.e(TAG, "Delete notes error, should not happens");
+ }
+ } else {
+ // in sync mode, we'll move the deleted note into the trash
+ // folder
+ if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
+ .getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
+ Log.e(TAG, "Move notes to trash folder error, should not happens");
+ }
+ }
+ return widgets;
+ }
+
+ @Override
+ protected void onPostExecute(HashSet widgets) {
+ if (widgets != null) {
+ for (AppWidgetAttribute widget : widgets) {
+ if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+ && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
+ updateWidget(widget.widgetId, widget.widgetType);
+ }
+ }
+ }
+ mModeCallBack.finishActionMode();
+ }
+ }.execute();
+ }
+
+ private void deleteFolder(long folderId) {
+ if (folderId == Notes.ID_ROOT_FOLDER) {
+ Log.e(TAG, "Wrong folder id, should not happen " + folderId);
+ return;
+ }
+
+ HashSet ids = new HashSet();
+ ids.add(folderId);
+ HashSet widgets = DataUtils.getFolderNoteWidget(mContentResolver,
+ folderId);
+ if (!isSyncMode()) {
+ // if not synced, delete folder directly
+ DataUtils.batchDeleteNotes(mContentResolver, ids);
+ } else {
+ // in sync mode, we'll move the deleted folder into the trash folder
+ DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
+ }
+ if (widgets != null) {
+ for (AppWidgetAttribute widget : widgets) {
+ if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+ && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
+ updateWidget(widget.widgetId, widget.widgetType);
+ }
+ }
+ }
+ }
+
+ private void openNode(NoteItemData data) {
+ Intent intent = new Intent(this, NoteEditActivity.class);
+ intent.setAction(Intent.ACTION_VIEW);
+ intent.putExtra(Intent.EXTRA_UID, data.getId());
+ this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
+ }
+
+ private void openFolder(NoteItemData data) {
+ mCurrentFolderId = data.getId();
+ startAsyncNotesListQuery();
+ if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+ mState = ListEditState.CALL_RECORD_FOLDER;
+ mAddNewNote.setVisibility(View.GONE);
+ } else {
+ mState = ListEditState.SUB_FOLDER;
+ }
+ if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+ mTitleBar.setText(R.string.call_record_folder_name);
+ } else {
+ mTitleBar.setText(data.getSnippet());
+ }
+ mTitleBar.setVisibility(View.VISIBLE);
+ }
+
+ public void onClick(View v) {
+ switch (v.getId()) {
+ case R.id.btn_new_note:
+ createNewNote();
+ break;
+ default:
+ break;
+ }
+ }
+
+ private void showSoftInput() {
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+ if (inputMethodManager != null) {
+ inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+ }
+ }
+
+ private void hideSoftInput(View view) {
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+ inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
+ }
+
+ private void showCreateOrModifyFolderDialog(final boolean create) {
+ final AlertDialog.Builder builder = new AlertDialog.Builder(this);
+ View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
+ final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
+ showSoftInput();
+ if (!create) {
+ if (mFocusNoteDataItem != null) {
+ etName.setText(mFocusNoteDataItem.getSnippet());
+ builder.setTitle(getString(R.string.menu_folder_change_name));
+ } else {
+ Log.e(TAG, "The long click data item is null");
+ return;
+ }
+ } else {
+ etName.setText("");
+ builder.setTitle(this.getString(R.string.menu_create_folder));
+ }
+
+ builder.setPositiveButton(android.R.string.ok, null);
+ builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ hideSoftInput(etName);
+ }
+ });
+
+ final Dialog dialog = builder.setView(view).show();
+ final Button positive = (Button)dialog.findViewById(android.R.id.button1);
+ positive.setOnClickListener(new OnClickListener() {
+ public void onClick(View v) {
+ hideSoftInput(etName);
+ String name = etName.getText().toString();
+ if (DataUtils.checkVisibleFolderName(mContentResolver, name)) {
+ Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name),
+ Toast.LENGTH_LONG).show();
+ etName.setSelection(0, etName.length());
+ return;
+ }
+ if (!create) {
+ if (!TextUtils.isEmpty(name)) {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.SNIPPET, name);
+ values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+ values.put(NoteColumns.LOCAL_MODIFIED, 1);
+ mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ + "=?", new String[] {
+ String.valueOf(mFocusNoteDataItem.getId())
+ });
+ }
+ } else if (!TextUtils.isEmpty(name)) {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.SNIPPET, name);
+ values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
+ mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
+ }
+ dialog.dismiss();
+ }
+ });
+
+ if (TextUtils.isEmpty(etName.getText())) {
+ positive.setEnabled(false);
+ }
+ /**
+ * When the name edit text is null, disable the positive button
+ */
+ etName.addTextChangedListener(new TextWatcher() {
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ // TODO Auto-generated method stub
+
+ }
+
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ if (TextUtils.isEmpty(etName.getText())) {
+ positive.setEnabled(false);
+ } else {
+ positive.setEnabled(true);
+ }
+ }
+
+ public void afterTextChanged(Editable s) {
+ // TODO Auto-generated method stub
+
+ }
+ });
+ }
+
+ /* (non-Javadoc)
+ * @see android.app.Activity#onBackPressed()
+ * 按返回键时根据情况更改类中的数据
+ */
+ @Override
+ public void onBackPressed() { switch (mState) {
+ case SUB_FOLDER:
+ mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+ mState = ListEditState.NOTE_LIST;
+ startAsyncNotesListQuery();
+ mTitleBar.setVisibility(View.GONE);
+ break;
+ case CALL_RECORD_FOLDER:
+ mCurrentFolderId = Notes.ID_ROOT_FOLDER;
+ mState = ListEditState.NOTE_LIST;
+ mAddNewNote.setVisibility(View.VISIBLE);
+ mTitleBar.setVisibility(View.GONE);
+ startAsyncNotesListQuery();
+ break;
+ case NOTE_LIST:
+ super.onBackPressed();
+ break;
+ default:
+ break;
+ }
+ }
+
+ /**
+ * @param appWidgetId
+ * @param appWidgetType
+ * 根据不同类型的widget更新插件,通过intent传送数据
+ */
+ private void updateWidget(int appWidgetId, int appWidgetType) {
+ Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+ if (appWidgetType == Notes.TYPE_WIDGET_2X) {
+ intent.setClass(this, NoteWidgetProvider_2x.class);
+ } else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
+ intent.setClass(this, NoteWidgetProvider_4x.class);
+ } else {
+ Log.e(TAG, "Unspported widget type");
+ return;
+ }
+
+ intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
+ appWidgetId
+ });
+
+ sendBroadcast(intent);
+ setResult(RESULT_OK, intent);
+ }
+
+ /**
+ * 声明监听器,建立菜单,包括名称,视图,删除操作,更改名称操作;
+ */
+ private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
+ public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+ if (mFocusNoteDataItem != null) {
+ menu.setHeaderTitle(mFocusNoteDataItem.getSnippet());
+ menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view);
+ menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete);
+ menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name);
+ }
+ }
+ };
+
+ @Override
+ public void onContextMenuClosed(Menu menu) {
+ if (mNotesListView != null) {
+ mNotesListView.setOnCreateContextMenuListener(null);
+ }
+ super.onContextMenuClosed(menu);
+ }
+
+ /* (non-Javadoc)
+ * @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
+ * 针对menu中不同的选择进行不同的处理,里面详细注释
+ */
+ @Override
+ public boolean onContextItemSelected(MenuItem item) {
+ if (mFocusNoteDataItem == null) {
+ Log.e(TAG, "The long click data item is null");
+ return false;
+ }
+ switch (item.getItemId()) {
+ case MENU_FOLDER_VIEW:
+ openFolder(mFocusNoteDataItem);//打开对应文件
+ break;
+ case MENU_FOLDER_DELETE:
+ AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框
+ builder.setTitle(getString(R.string.alert_title_delete));
+ builder.setIcon(android.R.drawable.ic_dialog_alert);
+ builder.setMessage(getString(R.string.alert_message_delete_folder));
+ builder.setPositiveButton(android.R.string.ok,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ deleteFolder(mFocusNoteDataItem.getId());
+ }
+ });
+ builder.setNegativeButton(android.R.string.cancel, null);
+ builder.show();//显示对话框
+ break;
+ case MENU_FOLDER_CHANGE_NAME:
+ showCreateOrModifyFolderDialog(false);
+ break;
+ default:
+ break;
+ }
+
+ return true;
+ }
+
+ @Override
+ public boolean onPrepareOptionsMenu(Menu menu) {
+ menu.clear();
+ if (mState == ListEditState.NOTE_LIST) {
+ getMenuInflater().inflate(R.menu.note_list, menu);
+ // set sync or sync_cancel
+ menu.findItem(R.id.menu_sync).setTitle(
+ GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
+ } else if (mState == ListEditState.SUB_FOLDER) {
+ getMenuInflater().inflate(R.menu.sub_folder, menu);
+ } else if (mState == ListEditState.CALL_RECORD_FOLDER) {
+ getMenuInflater().inflate(R.menu.call_record_folder, menu);
+ } else {
+ Log.e(TAG, "Wrong state:" + mState);
+ }
+ return true;
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ case R.id.menu_new_folder: {
+ showCreateOrModifyFolderDialog(true);
+ break;
+ }
+ case R.id.menu_export_text: {
+ exportNoteToText();
+ break;
+ }
+ case R.id.menu_sync: {
+ if (isSyncMode()) {
+ if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
+ GTaskSyncService.startSync(this);
+ } else {
+ GTaskSyncService.cancelSync(this);
+ }
+ } else {
+ startPreferenceActivity();
+ }
+ break;
+ }
+ case R.id.menu_setting: {
+ startPreferenceActivity();
+ break;
+ }
+ case R.id.menu_new_note: {
+ createNewNote();
+ break;
+ }
+ case R.id.menu_search:
+ onSearchRequested();
+ break;
+ default:
+ break;
+ }
+ return true;
+ }
+
+ /* (non-Javadoc)
+ * @see android.app.Activity#onSearchRequested()
+ * 直接调用startSearch函数
+ */
+ @Override
+ public boolean onSearchRequested() {
+ startSearch(null, false, null /* appData */, false);
+ return true;
+ }
+
+ /**
+ * 函数功能:实现将便签导出到文本功能
+ */
+ private void exportNoteToText() {
+ final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
+ new AsyncTask() {
+
+ @Override
+ protected Integer doInBackground(Void... unused) {
+ return backup.exportToText();
+ }
+
+ @Override
+ protected void onPostExecute(Integer result) {
+ if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(NotesListActivity.this
+ .getString(R.string.failed_sdcard_export));
+ builder.setMessage(NotesListActivity.this
+ .getString(R.string.error_sdcard_unmounted));
+ builder.setPositiveButton(android.R.string.ok, null);
+ builder.show();
+ } else if (result == BackupUtils.STATE_SUCCESS) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(NotesListActivity.this
+ .getString(R.string.success_sdcard_export));
+ builder.setMessage(NotesListActivity.this.getString(
+ R.string.format_exported_file_location, backup
+ .getExportedTextFileName(), backup.getExportedTextFileDir()));
+ builder.setPositiveButton(android.R.string.ok, null);
+ builder.show();
+ } else if (result == BackupUtils.STATE_SYSTEM_ERROR) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
+ builder.setTitle(NotesListActivity.this
+ .getString(R.string.failed_sdcard_export));
+ builder.setMessage(NotesListActivity.this
+ .getString(R.string.error_sdcard_export));
+ builder.setPositiveButton(android.R.string.ok, null);
+ builder.show();
+ }
+ }
+
+ }.execute();
+ }
+
+ /**
+ * @return
+ * 功能:判断是否正在同步
+ */
+ private boolean isSyncMode() {
+ return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
+ }
+
+ /**
+ * 功能:跳转到PreferenceActivity界面
+ */
+ private void startPreferenceActivity() {
+ Activity from = getParent() != null ? getParent() : this;
+ Intent intent = new Intent(from, NotesPreferenceActivity.class);
+ from.startActivityIfNeeded(intent, -1);
+ }
+
+ /**
+ * @author k
+ * 函数功能:实现对便签列表项的点击事件(短按)
+ */
+ private class OnListItemClickListener implements OnItemClickListener {
+
+ public void onItemClick(AdapterView> parent, View view, int position, long id) {
+ if (view instanceof NotesListItem) {
+ NoteItemData item = ((NotesListItem) view).getItemData();
+ if (mNotesListAdapter.isInChoiceMode()) {
+ if (item.getType() == Notes.TYPE_NOTE) {
+ position = position - mNotesListView.getHeaderViewsCount();
+ mModeCallBack.onItemCheckedStateChanged(null, position, id,
+ !mNotesListAdapter.isSelectedItem(position));
+ }
+ return;
+ }
+
+ switch (mState) {
+ case NOTE_LIST:
+ if (item.getType() == Notes.TYPE_FOLDER
+ || item.getType() == Notes.TYPE_SYSTEM) {
+ openFolder(item);
+ } else if (item.getType() == Notes.TYPE_NOTE) {
+ openNode(item);
+ } else {
+ Log.e(TAG, "Wrong note type in NOTE_LIST");
+ }
+ break;
+ case SUB_FOLDER:
+ case CALL_RECORD_FOLDER:
+ if (item.getType() == Notes.TYPE_NOTE) {
+ openNode(item);
+ } else {
+ Log.e(TAG, "Wrong note type in SUB_FOLDER");
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ }
+
+ /**
+ * 查询目标文件
+ */
+ private void startQueryDestinationFolders() {
+ String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
+ selection = (mState == ListEditState.NOTE_LIST) ? selection:
+ "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
+
+ mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
+ null,
+ Notes.CONTENT_NOTE_URI,
+ FoldersListAdapter.PROJECTION,
+ selection,
+ new String[] {
+ String.valueOf(Notes.TYPE_FOLDER),
+ String.valueOf(Notes.ID_TRASH_FOLER),
+ String.valueOf(mCurrentFolderId)
+ },
+ NoteColumns.MODIFIED_DATE + " DESC");
+ }
+
+ /* (non-Javadoc)
+ * @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
+ * 长按某一项时进行的操作
+ * 如果长按的是便签,则通过ActionMode菜单实现;如果长按的是文件夹,则通过ContextMenu菜单实现;
+ * 具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记
+ */
+ public boolean onItemLongClick(AdapterView> parent, View view, int position, long id) {
+ if (view instanceof NotesListItem) {
+ mFocusNoteDataItem = ((NotesListItem) view).getItemData();
+ if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
+ if (mNotesListView.startActionMode(mModeCallBack) != null) {
+ mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
+ mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
+ } else {
+ Log.e(TAG, "startActionMode fails");
+ }
+ } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
+ mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
+ }
+ }
+ return false;
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/NotesListAdapter.txt b/doc/210340006杜煜晗/ui包/NotesListAdapter.txt
new file mode 100644
index 0000000..ea7f9f9
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/NotesListAdapter.txt
@@ -0,0 +1,257 @@
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+
+
+import net.micode.notes.data.Notes;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+
+
+/*
+ * 功能:直译为便签表连接器,继承了CursorAdapter,它为cursor和ListView提供了连接的桥梁。
+ * 所以NotesListAdapter实现的是鼠标和编辑便签链接的桥梁
+ */
+public class NotesListAdapter extends CursorAdapter {
+ private static final String TAG = "NotesListAdapter";
+ private Context mContext;
+ private HashMap mSelectedIndex;
+ private int mNotesCount; //便签数
+ private boolean mChoiceMode; //选择模式标记
+
+ /*
+ * 桌面widget的属性,包括编号和类型
+ */
+ public static class AppWidgetAttribute {
+ public int widgetId;
+ public int widgetType;
+ };
+
+ /*
+ * 函数功能:初始化便签链接器
+ * 函数实现:根据传进来的内容设置相关变量
+ */
+ public NotesListAdapter(Context context) {
+ super(context, null); //父类对象置空
+ mSelectedIndex = new HashMap(); //新建选项下标的hash表
+ mContext = context;
+ mNotesCount = 0;
+ }
+
+ @Override
+ /*
+ * 函数功能:新建一个视图来存储光标所指向的数据
+ * 函数实现:使用兄弟类NotesListItem新建一个项目选项
+ */
+ public View newView(Context context, Cursor cursor, ViewGroup parent) {
+ return new NotesListItem(context);
+ }
+
+ /*
+ * 函数功能:将已经存在的视图和鼠标指向的数据进行捆绑
+ * 函数实现:如下注释
+ */
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ if (view instanceof NotesListItem) {
+ //若view是NotesListItem的一个实例
+ NoteItemData itemData = new NoteItemData(context, cursor);
+ ((NotesListItem) view).bind(context, itemData, mChoiceMode,
+ isSelectedItem(cursor.getPosition()));
+ //则新建一个项目选项并且用bind跟将view和鼠标,内容,便签数据捆绑在一起
+ }
+ }
+
+ /*
+ * 函数功能:设置勾选框
+ * 函数实现:如下注释
+ */
+ public void setCheckedItem(final int position, final boolean checked) {
+ mSelectedIndex.put(position, checked);
+ //根据定位和是否勾选设置下标
+ notifyDataSetChanged();
+ //在修改后刷新activity
+ }
+
+ /*
+ * 函数功能:判断单选按钮是否勾选
+ */
+ public boolean isInChoiceMode() {
+ return mChoiceMode;
+ }
+
+ /*
+ * 函数功能:设置单项选项框
+ * 函数实现:重置下标并且根据参数mode设置选项
+ */
+ public void setChoiceMode(boolean mode) {
+ mSelectedIndex.clear();
+ mChoiceMode = mode;
+ }
+
+ /*
+ * 函数功能:选择全部选项
+ * 函数实现:如下注释
+ */
+ public void selectAll(boolean checked) {
+ Cursor cursor = getCursor();
+ //获取光标位置
+ for (int i = 0; i < getCount(); i++) {
+ if (cursor.moveToPosition(i)) {
+ if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
+ setCheckedItem(i, checked);
+ }
+ }
+ }
+ //遍历所有光标可用的位置在判断为便签类型之后勾选单项框
+ }
+
+ /*
+ * 函数功能:建立选择项的下标列表
+ * 函数实现:如下注释
+ */
+ public HashSet getSelectedItemIds() {
+ HashSet itemSet = new HashSet();
+ //建立hash表
+ for (Integer position : mSelectedIndex.keySet()) {
+ //遍历所有的关键
+ if (mSelectedIndex.get(position) == true) {
+ //若光标位置可用
+ Long id = getItemId(position);
+ if (id == Notes.ID_ROOT_FOLDER) {
+ //原文件不需要添加
+ Log.d(TAG, "Wrong item id, should not happen");
+ } else {
+ itemSet.add(id);
+ }
+ //则将id该下标假如选项集合中
+
+ }
+ }
+
+ return itemSet;
+ }
+
+ /*
+ * 函数功能:建立桌面Widget的选项表
+ * 函数实现:如下注释
+ */
+ public HashSet getSelectedWidget() {
+ HashSet itemSet = new HashSet();
+ for (Integer position : mSelectedIndex.keySet()) {
+ if (mSelectedIndex.get(position) == true) {
+ Cursor c = (Cursor) getItem(position);
+ //以上4句和getSelectedItemIds一样,不再重复
+ if (c != null) {
+ //光标位置可用的话就建立新的Widget属性并编辑下标和类型,最后添加到选项集中
+ AppWidgetAttribute widget = new AppWidgetAttribute();
+ NoteItemData item = new NoteItemData(mContext, c);
+ widget.widgetId = item.getWidgetId();
+ widget.widgetType = item.getWidgetType();
+ itemSet.add(widget);
+ /**
+ * Don't close cursor here, only the adapter could close it
+ */
+ } else {
+ Log.e(TAG, "Invalid cursor");
+ return null;
+ }
+ }
+ }
+ return itemSet;
+ }
+
+ /*
+ * 函数功能:获取选项个数
+ * 函数实现:如下注释
+ */
+ public int getSelectedCount() {
+ Collection values = mSelectedIndex.values();
+ //首先获取选项下标的值
+ if (null == values) {
+ return 0;
+ }
+ Iterator iter = values.iterator();
+ //初始化叠加器
+ int count = 0;
+ while (iter.hasNext()) {
+ if (true == iter.next()) {
+ //若value值为真计数+1
+ count++;
+ }
+ }
+ return count;
+ }
+
+ /*
+ * 函数功能:判断是否全部选中
+ * 函数实现:如下注释
+ */
+ public boolean isAllSelected() {
+ int checkedCount = getSelectedCount();
+ return (checkedCount != 0 && checkedCount == mNotesCount);
+ //获取选项数看是否等于便签的个数
+ }
+
+ /*
+ * 函数功能:判断是否为选项表
+ * 函数实现:通过传递的下标来确定
+ */
+ public boolean isSelectedItem(final int position) {
+ if (null == mSelectedIndex.get(position)) {
+ return false;
+ }
+ return mSelectedIndex.get(position);
+ }
+
+ @Override
+ /*
+ * 函数功能:在activity内容发生局部变动的时候回调该函数计算便签的数量
+ * 函数实现:如下注释
+ */
+ protected void onContentChanged() {
+ super.onContentChanged();
+ //执行基类函数
+ calcNotesCount();
+ }
+
+ @Override
+ /*
+ * 函数功能:在activity光标发生局部变动的时候回调该函数计算便签的数量
+ */
+ public void changeCursor(Cursor cursor) {
+ super.changeCursor(cursor);
+ //执行基类函数
+ calcNotesCount();
+ }
+
+ /*
+ * 函数功能:计算便签数量
+ *
+ */
+ private void calcNotesCount() {
+ mNotesCount = 0;
+ for (int i = 0; i < getCount(); i++) {
+ //获取总数同时遍历
+ Cursor c = (Cursor) getItem(i);
+ if (c != null) {
+ if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
+ mNotesCount++;
+ //若该位置不为空并且文本类型为便签就+1
+ }
+ } else {
+ Log.e(TAG, "Invalid cursor");
+ return;
+ }
+ //否则报错
+ }
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/NotesListItem.txt b/doc/210340006杜煜晗/ui包/NotesListItem.txt
new file mode 100644
index 0000000..08a8017
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/NotesListItem.txt
@@ -0,0 +1,116 @@
+package net.micode.notes.ui;
+
+import android.content.Context;
+import android.text.format.DateUtils;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
+
+
+//创建便签列表项目选项
+public class NotesListItem extends LinearLayout {
+ private ImageView mAlert;//闹钟图片
+ private TextView mTitle; //标题
+ private TextView mTime; //时间
+ private TextView mCallName; //
+ private NoteItemData mItemData; //标签数据
+ private CheckBox mCheckBox; //打钩框
+
+ /*初始化基本信息*/
+ public NotesListItem(Context context) {
+ super(context); //super()它的主要作用是调整调用父类构造函数的顺序
+ inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout
+ //findViewById用于从contentView中查找指定ID的View,转换出来的形式根据需要而定;
+ mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
+ mTitle = (TextView) findViewById(R.id.tv_title);
+ mTime = (TextView) findViewById(R.id.tv_time);
+ mCallName = (TextView) findViewById(R.id.tv_name);
+ mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
+ }
+ ///根据data的属性对各个控件的属性的控制,主要是可见性Visibility,内容setText,格式setTextAppearance
+ public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
+ if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
+ mCheckBox.setVisibility(View.VISIBLE); ///设置可见行为可见
+ mCheckBox.setChecked(checked); ///格子打钩
+ } else {
+ mCheckBox.setVisibility(View.GONE);
+ }
+
+ mItemData = data;
+ ///设置控件属性,一共三种情况,由data的id和父id是否与保存到文件夹的id一致来决定
+ if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
+ mCallName.setVisibility(View.GONE);
+ mAlert.setVisibility(View.VISIBLE);
+ //设置该textview的style
+ mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+ //settext为设置内容
+ mTitle.setText(context.getString(R.string.call_record_folder_name)
+ + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
+ mAlert.setImageResource(R.drawable.call_record);
+ } else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
+ mCallName.setVisibility(View.VISIBLE);
+ mCallName.setText(data.getCallName());
+ mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
+ mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+ ///关于闹钟的设置
+ if (data.hasAlert()) {
+ mAlert.setImageResource(R.drawable.clock);//图片来源的设置
+ mAlert.setVisibility(View.VISIBLE);
+ } else {
+ mAlert.setVisibility(View.GONE);
+ }
+ } else {
+ mCallName.setVisibility(View.GONE);
+ mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
+ ///设置title格式
+ if (data.getType() == Notes.TYPE_FOLDER) {
+ mTitle.setText(data.getSnippet()
+ + context.getString(R.string.format_folder_files_count,
+ data.getNotesCount()));
+ mAlert.setVisibility(View.GONE);
+ } else {
+ mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
+ if (data.hasAlert()) {
+ mAlert.setImageResource(R.drawable.clock);///设置图片来源
+ mAlert.setVisibility(View.VISIBLE);
+ } else {
+ mAlert.setVisibility(View.GONE);
+ }
+ }
+ }
+ ///设置内容,获取相关时间,从data里编辑的日期中获取
+ mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
+
+ setBackground(data);
+ }
+ //根据data的文件属性来设置背景
+ private void setBackground(NoteItemData data) {
+ int id = data.getBgColorId();
+ //,若是note型文件,则4种情况,对于4种不同情况的背景来源
+ if (data.getType() == Notes.TYPE_NOTE) {
+ //单个数据并且只有一个子文件夹
+ if (data.isSingle() || data.isOneFollowingFolder()) {
+ setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
+ } else if (data.isLast()) {//是最后一个数据
+ setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
+ } else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹
+ setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
+ } else {
+ setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
+ }
+ } else {
+ //若不是note直接调用文件夹的背景来源
+ setBackgroundResource(NoteItemBgResources.getFolderBgRes());
+ }
+ }
+ public NoteItemData getItemData() {
+ return mItemData;
+ }
+}
\ No newline at end of file
diff --git a/doc/210340006杜煜晗/ui包/NotesPreferenceActivity.txt b/doc/210340006杜煜晗/ui包/NotesPreferenceActivity.txt
new file mode 100644
index 0000000..4ae4976
--- /dev/null
+++ b/doc/210340006杜煜晗/ui包/NotesPreferenceActivity.txt
@@ -0,0 +1,514 @@
+package net.micode.notes.ui;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.app.ActionBar;
+import android.app.AlertDialog;
+import android.content.BroadcastReceiver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceClickListener;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceCategory;
+import android.text.TextUtils;
+import android.text.format.DateFormat;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.gtask.remote.GTaskSyncService;
+
+/*
+ *该类功能:NotesPreferenceActivity,在小米便签中主要实现的是对背景颜色和字体大小的数据储存。
+ * 继承了PreferenceActivity主要功能为对系统信息和配置进行自动保存的Activity
+ */
+public class NotesPreferenceActivity extends PreferenceActivity {
+ public static final String PREFERENCE_NAME = "notes_preferences";
+ //优先名
+ public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
+ //同步账号
+ public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
+ //同步时间
+ public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
+
+ private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
+ //同步密码
+ private static final String AUTHORITIES_FILTER_KEY = "authorities";
+ //本地密码
+ private PreferenceCategory mAccountCategory;
+ //账户分组
+ private GTaskReceiver mReceiver;
+ //同步任务接收器
+ private Account[] mOriAccounts;
+ //账户
+ private boolean mHasAddedAccount;
+ //账户的hash标记
+
+ @Override
+ /*
+ *函数功能:创建一个activity,在函数里要完成所有的正常静态设置
+ *参数:Bundle icicle:存放了 activity 当前的状态
+ *函数实现:如下注释
+ */
+ protected void onCreate(Bundle icicle) {
+ //先执行父类的创建函数
+ super.onCreate(icicle);
+
+ /* using the app icon for navigation */
+ getActionBar().setDisplayHomeAsUpEnabled(true);
+ //给左上角图标的左边加上一个返回的图标
+
+ addPreferencesFromResource(R.xml.preferences);
+ //添加xml来源并显示 xml
+ mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
+ //根据同步账户关键码来初始化分组
+ mReceiver = new GTaskReceiver();
+ IntentFilter filter = new IntentFilter();
+ filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
+ registerReceiver(mReceiver, filter);
+ //初始化同步组件
+
+ mOriAccounts = null;
+ View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
+ //获取listvivew,ListView的作用:用于列出所有选择
+ getListView().addHeaderView(header, null, true);
+ //在listview组件上方添加其他组件
+ }
+
+ @Override
+ /*
+ * 函数功能:activity交互功能的实现,用于接受用户的输入
+ * 函数实现:如下注释
+ */
+ protected void onResume() {
+ //先执行父类 的交互实现
+ super.onResume();
+
+ // need to set sync account automatically if user has added a new
+ // account
+ if (mHasAddedAccount) {
+ //若用户新加了账户则自动设置同步账户
+ Account[] accounts = getGoogleAccounts();
+ //获取google同步账户
+ if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
+ //若原账户不为空且当前账户有增加
+ for (Account accountNew : accounts) {
+ boolean found = false;
+ for (Account accountOld : mOriAccounts) {
+ if (TextUtils.equals(accountOld.name, accountNew.name)) {
+ //更新账户
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ setSyncAccount(accountNew.name);
+ //若是没有找到旧的账户,那么同步账号中就只添加新账户
+ break;
+ }
+ }
+ }
+ }
+
+ refreshUI();
+ //刷新标签界面
+ }
+
+ @Override
+ /*
+ * 函数功能:销毁一个activity
+ * 函数实现:如下注释
+ */
+ protected void onDestroy() {
+ if (mReceiver != null) {
+ unregisterReceiver(mReceiver);
+ //注销接收器
+ }
+ super.onDestroy();
+ //执行父类的销毁动作
+ }
+
+ /*
+ * 函数功能:重新设置账户信息
+ * 函数实现:如下注释
+ */
+ private void loadAccountPreference() {
+ mAccountCategory.removeAll();
+ //销毁所有的分组
+ Preference accountPref = new Preference(this);
+ //建立首选项
+ final String defaultAccount = getSyncAccountName(this);
+ accountPref.setTitle(getString(R.string.preferences_account_title));
+ accountPref.setSummary(getString(R.string.preferences_account_summary));
+ //设置首选项的大标题和小标题
+ accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+ public boolean onPreferenceClick(Preference preference) {
+ //建立监听器
+ if (!GTaskSyncService.isSyncing()) {
+ if (TextUtils.isEmpty(defaultAccount)) {
+ // the first time to set account
+ //若是第一次建立账户显示选择账户提示对话框
+ showSelectAccountAlertDialog();
+ } else {
+ // if the account has already been set, we need to promp
+ // user about the risk
+ //若是已经建立则显示修改对话框并进行修改操作
+ showChangeAccountConfirmAlertDialog();
+ }
+ } else {
+ //若在没有同步的情况下,则在toast中显示不能修改
+ Toast.makeText(NotesPreferenceActivity.this,
+ R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
+ .show();
+ }
+ return true;
+ }
+ });
+
+ //根据新建首选项编辑新的账户分组
+ mAccountCategory.addPreference(accountPref);
+ }
+
+ /*
+ *函数功能:设置按键的状态和最后同步的时间
+ *函数实现:如下注释
+ */
+ private void loadSyncButton() {
+ Button syncButton = (Button) findViewById(R.id.preference_sync_button);
+ TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
+ //获取同步按钮控件和最终同步时间的的窗口
+ // set button state
+ //设置按钮的状态
+ if (GTaskSyncService.isSyncing()) {
+ //若是在同步状态下
+ syncButton.setText(getString(R.string.preferences_button_sync_cancel));
+ syncButton.setOnClickListener(new View.OnClickListener() {
+ public void onClick(View v) {
+ GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
+ }
+ });
+ //设置按钮显示的文本为“取消同步”以及监听器
+ } else {
+ syncButton.setText(getString(R.string.preferences_button_sync_immediately));
+ syncButton.setOnClickListener(new View.OnClickListener() {
+ public void onClick(View v) {
+ GTaskSyncService.startSync(NotesPreferenceActivity.this);
+ }
+ });
+ //若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器
+ }
+ syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
+ //设置按键可用还是不可用
+
+ // set last sync time
+ // 设置最终同步时间
+ if (GTaskSyncService.isSyncing()) {
+ //若是在同步的情况下
+ lastSyncTimeView.setText(GTaskSyncService.getProgressString());
+ lastSyncTimeView.setVisibility(View.VISIBLE);
+ // 根据当前同步服务器设置时间显示框的文本以及可见性
+ } else {
+ //若是非同步情况
+ long lastSyncTime = getLastSyncTime(this);
+ if (lastSyncTime != 0) {
+ lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
+ DateFormat.format(getString(R.string.preferences_last_sync_time_format),
+ lastSyncTime)));
+ lastSyncTimeView.setVisibility(View.VISIBLE);
+ //则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性
+ } else {
+ //若时间为空直接设置为不可见状态
+ lastSyncTimeView.setVisibility(View.GONE);
+ }
+ }
+ }
+ /*
+ *函数功能:刷新标签界面
+ *函数实现:调用上文设置账号和设置按键两个函数来实现
+ */
+ private void refreshUI() {
+ loadAccountPreference();
+ loadSyncButton();
+ }
+
+ /*
+ * 函数功能:显示账户选择的对话框并进行账户的设置
+ * 函数实现:如下注释
+ */
+ private void showSelectAccountAlertDialog() {
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+ //创建一个新的对话框
+
+ View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
+ TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
+ titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
+ TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
+ subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
+ //设置标题以及子标题的内容
+ dialogBuilder.setCustomTitle(titleView);
+ dialogBuilder.setPositiveButton(null, null);
+ //设置对话框的自定义标题,建立一个YES的按钮
+ Account[] accounts = getGoogleAccounts();
+ String defAccount = getSyncAccountName(this);
+ //获取同步账户信息
+ mOriAccounts = accounts;
+ mHasAddedAccount = false;
+
+ if (accounts.length > 0) {
+ //若账户不为空
+ CharSequence[] items = new CharSequence[accounts.length];
+ final CharSequence[] itemMapping = items;
+ int checkedItem = -1;
+ int index = 0;
+ for (Account account : accounts) {
+ if (TextUtils.equals(account.name, defAccount)) {
+ checkedItem = index;
+ //在账户列表中查询到所需账户
+ }
+ items[index++] = account.name;
+ }
+ dialogBuilder.setSingleChoiceItems(items, checkedItem,
+ //在对话框建立一个单选的复选框
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ setSyncAccount(itemMapping[which].toString());
+ dialog.dismiss();
+ //取消对话框
+ refreshUI();
+ }
+ //设置点击后执行的事件,包括检录新同步账户和刷新标签界面
+ });
+ //建立对话框网络版的监听器
+ }
+
+ View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
+ dialogBuilder.setView(addAccountView);
+ //给新加账户对话框设置自定义样式
+
+ final AlertDialog dialog = dialogBuilder.show();
+ //显示对话框
+ addAccountView.setOnClickListener(new View.OnClickListener() {
+ public void onClick(View v) {
+ mHasAddedAccount = true;
+ //将新加账户的hash置true
+ Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
+ //建立网络建立组件
+ intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
+ "gmail-ls"
+ });
+ startActivityForResult(intent, -1);
+ //跳回上一个选项
+ dialog.dismiss();
+ }
+ });
+ //建立新加账户对话框的监听器
+ }
+
+ /*
+ * 函数功能:显示账户选择对话框和相关账户操作
+ * 函数实现:如下注释
+ */
+ private void showChangeAccountConfirmAlertDialog() {
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
+ //创建一个新的对话框
+ View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
+ TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
+ titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
+ getSyncAccountName(this)));
+ TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
+ subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
+ //根据同步修改的账户信息设置标题以及子标题的内容
+ dialogBuilder.setCustomTitle(titleView);
+ //设置对话框的自定义标题
+ CharSequence[] menuItemArray = new CharSequence[] {
+ getString(R.string.preferences_menu_change_account),
+ getString(R.string.preferences_menu_remove_account),
+ getString(R.string.preferences_menu_cancel)
+ };
+ //定义一些标记字符串
+ dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
+ //设置对话框要显示的一个list,用于显示几个命令时,即change,remove,cancel
+ public void onClick(DialogInterface dialog, int which) {
+ //按键功能,由which来决定
+ if (which == 0) {
+ //进入账户选择对话框
+ showSelectAccountAlertDialog();
+ } else if (which == 1) {
+ //删除账户并且跟新便签界面
+ removeSyncAccount();
+ refreshUI();
+ }
+ }
+ });
+ dialogBuilder.show();
+ //显示对话框
+ }
+
+ /*
+ *函数功能:获取谷歌账户
+ *函数实现:通过账户管理器直接获取
+ */
+ private Account[] getGoogleAccounts() {
+ AccountManager accountManager = AccountManager.get(this);
+ return accountManager.getAccountsByType("com.google");
+ }
+
+ /*
+ * 函数功能:设置同步账户
+ * 函数实现:如下注释:
+ */
+ private void setSyncAccount(String account) {
+ if (!getSyncAccountName(this).equals(account)) {
+ //假如该账号不在同步账号列表中
+ SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
+ SharedPreferences.Editor editor = settings.edit();
+ //编辑共享的首选项
+ if (account != null) {
+ editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
+ } else {
+ editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
+ }
+ //将该账号加入到首选项中
+
+ editor.commit();
+ //提交修改的数据
+
+
+ setLastSyncTime(this, 0);
+ //将最后同步时间清零
+
+ // clean up local gtask related info
+ new Thread(new Runnable() {
+ public void run() {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.GTASK_ID, "");
+ values.put(NoteColumns.SYNC_ID, 0);
+ getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
+ }
+ }).start();
+ //重置当地同步任务的信息
+
+ Toast.makeText(NotesPreferenceActivity.this,
+ getString(R.string.preferences_toast_success_set_accout, account),
+ Toast.LENGTH_SHORT).show();
+ //将toast的文本信息置为“设置账户成功”并显示出来
+ }
+ }
+ /*
+ * 函数功能:删除同步账户
+ * 函数实现:如下注释:
+ */
+ private void removeSyncAccount() {
+ SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
+ SharedPreferences.Editor editor = settings.edit();
+ //设置共享首选项
+
+ if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
+ editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
+ //假如当前首选项中有账户就删除
+ }
+ if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
+ editor.remove(PREFERENCE_LAST_SYNC_TIME);
+ //删除当前首选项中有账户时间
+ }
+ editor.commit();
+ //提交更新后的数据
+
+ // clean up local gtask related info
+ new Thread(new Runnable() {
+ public void run() {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.GTASK_ID, "");
+ values.put(NoteColumns.SYNC_ID, 0);
+ getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
+ }
+ }).start();
+ //重置当地同步任务的信息
+ }
+
+ /*
+ * 函数功能:获取同步账户名称
+ * 函数实现:通过共享的首选项里的信息直接获取
+ */
+ public static String getSyncAccountName(Context context) {
+ SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+ Context.MODE_PRIVATE);
+ return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
+ }
+
+ /*
+ * 函数功能:设置最终同步的时间
+ * 函数实现:如下注释
+ */
+ public static void setLastSyncTime(Context context, long time) {
+ SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+ Context.MODE_PRIVATE);
+ SharedPreferences.Editor editor = settings.edit();
+ // 从共享首选项中找到相关账户并获取其编辑器
+ editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
+ editor.commit();
+ //编辑最终同步时间并提交更新
+ }
+ /*
+ * 函数功能:获取最终同步时间
+ * 函数实现:通过共享的首选项里的信息直接获取
+ */
+ public static long getLastSyncTime(Context context) {
+ SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
+ Context.MODE_PRIVATE);
+ return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
+ }
+
+ /*
+ * 函数功能:接受同步信息
+ * 函数实现:继承BroadcastReceiver
+ */
+ private class GTaskReceiver extends BroadcastReceiver {
+
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ refreshUI();
+ if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
+ //获取随广播而来的Intent中的同步服务的数据
+ TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
+ syncStatus.setText(intent
+ .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
+ //通过获取的数据在设置系统的状态
+ }
+
+ }
+ }
+
+ /*
+ * 函数功能:处理菜单的选项
+ * 函数实现:如下注释
+ * 参数:MenuItem菜单选项
+ */
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ //根据选项的id选择,这里只有一个主页
+ case android.R.id.home:
+ Intent intent = new Intent(this, NotesListActivity.class);
+ intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+ startActivity(intent);
+ return true;
+ //在主页情况下在创建连接组件intent,发出清空的信号并开始一个相应的activity
+ default:
+ return false;
+ }
+ }
+}
+
\ No newline at end of file
diff --git a/doc/210340038张卓杨/tool类/BackupUtils.txt b/doc/210340038张卓杨/tool类/BackupUtils.txt
new file mode 100644
index 0000000..7e5abe4
--- /dev/null
+++ b/doc/210340038张卓杨/tool类/BackupUtils.txt
@@ -0,0 +1,310 @@
+BackupUtils:
+
+package net.micode.notes.tool;
+
+public class BackupUtils {
+ private static final String TAG = "BackupUtils";
+ // Singleton stuff
+ private static BackupUtils sInstance; //类里面定义自己类的对象
+
+ public static synchronized BackupUtils getInstance(Context context) {
+ //当某个线程运行时,要检查其他线程是否也在进行
+ if (sInstance == null) {
+ sInstance = new BackupUtils(context);
+ }
+ return sInstance;
+ }
+
+ /**
+ * Following states are signs to represents backup or restore
+ * status
+ */
+ // Currently, the sdcard is not mounted 手机内没有SD卡
+ public static final int STATE_SD_CARD_UNMOUONTED = 0;
+ // The backup file not exist 没有备份文件夹
+ public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
+ // The data is not well formated, may be changed by other programs 数据已被破坏,也可能被修改
+ public static final int STATE_DATA_DESTROIED = 2;
+ // Some run-time exception which causes restore or backup fails 超时异常
+ public static final int STATE_SYSTEM_ERROR = 3;
+ // Backup or restore success 成功存储
+ public static final int STATE_SUCCESS = 4;
+
+ private TextExport mTextExport;
+
+ private BackupUtils(Context context) { //初始化函数
+ mTextExport = new TextExport(context);
+ }
+
+ private static boolean externalStorageAvailable() { //外部存储功能是否正常
+ return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
+ }
+
+ public int exportToText() {
+ return mTextExport.exportToText();
+ }
+
+ public String getExportedTextFileName() {
+ return mTextExport.mFileName;
+ }
+
+ public String getExportedTextFileDir() {
+ return mTextExport.mFileDirectory;
+ }
+
+ private static class TextExport {
+ private static final String[] NOTE_PROJECTION = {
+ NoteColumns.ID,
+ NoteColumns.MODIFIED_DATE,
+ NoteColumns.SNIPPET,
+ NoteColumns.TYPE
+ };
+
+ private static final int NOTE_COLUMN_ID = 0;
+
+ private static final int NOTE_COLUMN_MODIFIED_DATE = 1;
+
+ private static final int NOTE_COLUMN_SNIPPET = 2;
+
+ private static final String[] DATA_PROJECTION = {
+ DataColumns.CONTENT,
+ DataColumns.MIME_TYPE,
+ DataColumns.DATA1,
+ DataColumns.DATA2,
+ DataColumns.DATA3,
+ DataColumns.DATA4,
+ };
+
+ private static final int DATA_COLUMN_CONTENT = 0;
+
+ private static final int DATA_COLUMN_MIME_TYPE = 1;
+
+ private static final int DATA_COLUMN_CALL_DATE = 2;
+
+ private static final int DATA_COLUMN_PHONE_NUMBER = 4;
+
+ private final String [] TEXT_FORMAT;
+ private static final int FORMAT_FOLDER_NAME = 0;
+ private static final int FORMAT_NOTE_DATE = 1;
+ private static final int FORMAT_NOTE_CONTENT = 2;
+
+ private Context mContext;
+ private String mFileName;
+ private String mFileDirectory;
+
+ public TextExport(Context context) {
+ TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
+ mContext = context;
+ mFileName = "";
+ mFileDirectory = "";
+ }
+
+ private String getFormat(int id) { //获取文本的组成部分
+ return TEXT_FORMAT[id];
+ }
+
+ /**
+ * Export the folder identified by folder id to text
+ */
+ private void exportFolderToText(String folderId, PrintStream ps) {
+ // Query notes belong to this folder 通过查询parent id来制定ID文件夹下的Note
+ Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
+ NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] {
+ folderId
+ }, null);
+
+ if (notesCursor != null) {
+ if (notesCursor.moveToFirst()) {
+ do {
+ // Print note's last modified date ps里面保存有这份note的日期
+ ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
+ mContext.getString(R.string.format_datetime_mdhm),
+ notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
+ // Query data belong to this note
+ String noteId = notesCursor.getString(NOTE_COLUMN_ID);
+ exportNoteToText(noteId, ps); //将文件导出到text
+ } while (notesCursor.moveToNext());
+ }
+ notesCursor.close();
+ }
+ }
+
+ /**
+ * Export note identified by id to a print stream
+ */
+ private void exportNoteToText(String noteId, PrintStream ps) {
+ Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,
+ DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] {
+ noteId
+ }, null);
+
+ if (dataCursor != null) { //利用光标来扫描内容,看是callnote或者note二者中的哪一个,靠ps.printline输出
+ if (dataCursor.moveToFirst()) {
+ do {
+ String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
+ if (DataConstants.CALL_NOTE.equals(mimeType)) {
+ // Print phone number 输出电话号
+ String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
+ long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
+ String location = dataCursor.getString(DATA_COLUMN_CONTENT);
+
+ if (!TextUtils.isEmpty(phoneNumber)) { //判断是否为空字符
+ ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
+ phoneNumber));
+ }
+ // Print call date
+ ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat
+ .format(mContext.getString(R.string.format_datetime_mdhm),
+ callDate)));
+ // Print call attachment location 打印调用附件位置
+ if (!TextUtils.isEmpty(location)) {
+ ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
+ location));
+ }
+ } else if (DataConstants.NOTE.equals(mimeType)) {
+ String content = dataCursor.getString(DATA_COLUMN_CONTENT);
+ if (!TextUtils.isEmpty(content)) {
+ ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
+ content));
+ }
+ }
+ } while (dataCursor.moveToNext());
+ }
+ dataCursor.close();
+ }
+ // print a line separator between note 在注释间打印分隔符
+ try {
+ ps.write(new byte[] {
+ Character.LINE_SEPARATOR, Character.LETTER_NUMBER
+ });
+ } catch (IOException e) {
+ Log.e(TAG, e.toString());
+ }
+ }
+
+ /**
+ * Note will be exported as text which is user readable
+ */
+ public int exportToText() { //总函数,调用上面的exportFolder和exportNote
+ if (!externalStorageAvailable()) {
+ Log.d(TAG, "Media was not mounted");
+ return STATE_SD_CARD_UNMOUONTED;
+ }
+
+ PrintStream ps = getExportToTextPrintStream();
+ if (ps == null) {
+ Log.e(TAG, "get print stream error");
+ return STATE_SYSTEM_ERROR;
+ }
+ // First export folder and its notes 导出文件夹里面包含的便签
+ Cursor folderCursor = mContext.getContentResolver().query(
+ Notes.CONTENT_NOTE_URI,
+ NOTE_PROJECTION,
+ "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND "
+ + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR "
+ + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null);
+
+ if (folderCursor != null) {
+ if (folderCursor.moveToFirst()) {
+ do {
+ // Print folder's name
+ String folderName = "";
+ if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {
+ folderName = mContext.getString(R.string.call_record_folder_name);
+ } else {
+ folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
+ }
+ if (!TextUtils.isEmpty(folderName)) {
+ ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
+ }
+ String folderId = folderCursor.getString(NOTE_COLUMN_ID);
+ exportFolderToText(folderId, ps);
+ } while (folderCursor.moveToNext());
+ }
+ folderCursor.close();
+ }
+
+ // Export notes in root's folder 将根目录里的便签导出
+ Cursor noteCursor = mContext.getContentResolver().query(
+ Notes.CONTENT_NOTE_URI,
+ NOTE_PROJECTION,
+ NoteColumns.TYPE + "=" + +Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID
+ + "=0", null, null);
+
+ if (noteCursor != null) {
+ if (noteCursor.moveToFirst()) {
+ do {
+ ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
+ mContext.getString(R.string.format_datetime_mdhm),
+ noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
+ // Query data belong to this note 查询数据属于此备注
+ String noteId = noteCursor.getString(NOTE_COLUMN_ID);
+ exportNoteToText(noteId, ps);
+ } while (noteCursor.moveToNext());
+ }
+ noteCursor.close();
+ }
+ ps.close();
+
+ return STATE_SUCCESS;
+ }
+
+ /**
+ * Get a print stream pointed to the file {@generateExportedTextFile}
+ */
+ private PrintStream getExportToTextPrintStream() {
+ File file = generateFileMountedOnSDcard(mContext, R.string.file_path,
+ R.string.file_name_txt_format);
+ if (file == null) {
+ Log.e(TAG, "create file to exported failed");
+ return null;
+ }
+ mFileName = file.getName();
+ mFileDirectory = mContext.getString(R.string.file_path);
+ PrintStream ps = null;
+ try {
+ FileOutputStream fos = new FileOutputStream(file);
+ ps = new PrintStream(fos); //将ps输出流输出到特定的文件
+ } catch (FileNotFoundException e) {
+ e.printStackTrace();
+ return null;
+ } catch (NullPointerException e) {
+ e.printStackTrace();
+ return null;
+ }
+ return ps;
+ }
+ }
+
+ /**
+ * Generate the text file to store imported data
+ */
+ private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
+ StringBuilder sb = new StringBuilder();
+ sb.append(Environment.getExternalStorageDirectory()); //SD卡的存储路径
+ sb.append(context.getString(filePathResId)); //文件的存储路径
+ File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息
+ sb.append(context.getString(
+ fileNameFormatResId,
+ DateFormat.format(context.getString(R.string.format_date_ymd),
+ System.currentTimeMillis())));
+ File file = new File(sb.toString());
+
+ try { //如果这些文件不存在,则新建
+ if (!filedir.exists()) {
+ filedir.mkdir();
+ }
+ if (!file.exists()) {
+ file.createNewFile();
+ }
+ return file;
+ } catch (SecurityException e) {
+ e.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+// try catch 异常处理
+ return null;
+ }
+}
+
\ No newline at end of file
diff --git a/doc/210340038张卓杨/tool类/DataUtils.txt b/doc/210340038张卓杨/tool类/DataUtils.txt
new file mode 100644
index 0000000..858cbf6
--- /dev/null
+++ b/doc/210340038张卓杨/tool类/DataUtils.txt
@@ -0,0 +1,264 @@
+DataUtils:
+
+package net.micode.notes.tool;
+
+public class DataUtils {
+ public static final String TAG = "DataUtils";
+ public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) { //删除多个笔记
+ if (ids == null) {
+ Log.d(TAG, "the ids is null");
+ return true;
+ }
+ if (ids.size() == 0) {
+ Log.d(TAG, "no id is in the hashset");
+ return true;
+ }
+
+ ArrayList operationList = new ArrayList(); //提供一个任务列表
+ for (long id : ids) {
+ if(id == Notes.ID_ROOT_FOLDER) {
+ Log.e(TAG, "Don't delete system folder root");
+ continue;
+ } //如果发现是根文件夹,则不删除
+ ContentProviderOperation.Builder builder = ContentProviderOperation
+ .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //用newDelete实现删除功能
+ operationList.add(builder.build()); //
+ }
+ try {
+ ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);//Authority用于唯一标识这个ContentProvider,外部调用者可以根据这个标识来找到它。
+ if (results == null || results.length == 0 || results[0] == null) {
+ Log.d(TAG, "delete notes failed, ids:" + ids.toString());
+ return false;
+ }
+ return true;
+ } catch (RemoteException e) {
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ } catch (OperationApplicationException e) {
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ }
+ return false;
+ }
+
+ public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.PARENT_ID, desFolderId);
+ values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
+ values.put(NoteColumns.LOCAL_MODIFIED, 1);
+ resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null); //对需要移动的便签进行数据更新,然后用update实现
+ }
+
+ public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids,
+ long folderId) {
+ if (ids == null) {
+ Log.d(TAG, "the ids is null");
+ return true;
+ }
+
+ ArrayList operationList = new ArrayList();
+ for (long id : ids) {
+ ContentProviderOperation.Builder builder = ContentProviderOperation
+ .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //通过withAppendedId方法,为该Uri加上ID
+ builder.withValue(NoteColumns.PARENT_ID, folderId);
+ builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
+ operationList.add(builder.build());
+ }//将ids里包含的每一列的数据逐次加入到operationList中,等待最后的批量处理
+
+ try {
+ ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); //applyBatch一次性处理一个操作列表
+ if (results == null || results.length == 0 || results[0] == null) {
+ Log.d(TAG, "delete notes failed, ids:" + ids.toString());
+ return false;
+ }
+ return true;
+ } catch (RemoteException e) {
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ } catch (OperationApplicationException e) {
+ Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+ }
+ return false;
+ }
+
+ /**
+ * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}}
+ */
+ public static int getUserFolderCount(ContentResolver resolver) {
+ Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI,
+ new String[] { "COUNT(*)" },
+ NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
+ new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
+ null); //筛选条件:源文件不为trash folder
+
+ int count = 0;
+ if(cursor != null) {
+ if(cursor.moveToFirst()) {
+ try {
+ count = cursor.getInt(0);
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, "get folder count failed:" + e.toString());
+ } finally {
+ cursor.close();
+ }
+ }
+ }
+ return count;
+ }
+
+ public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
+ Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), //通过withAppendedId方法,为该Uri加上ID
+ null,
+ NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
+ new String [] {String.valueOf(type)},
+ null); //查询条件:type符合,且不属于垃圾文件夹
+
+ boolean exist = false;
+ if (cursor != null) {
+ if (cursor.getCount() > 0) {//用getcount函数判断cursor是否为空
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
+ Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
+ null, null, null, null);
+
+ boolean exist = false;
+ if (cursor != null) {
+ if (cursor.getCount() > 0) {
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
+ Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
+ null, null, null, null);
+
+ boolean exist = false;
+ if (cursor != null) {
+ if (cursor.getCount() > 0) {
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
+ Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
+ NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
+ " AND " + NoteColumns.SNIPPET + "=?",
+ new String[] { name }, null);
+ //通过名字查询文件是否存在
+ boolean exist = false;
+ if(cursor != null) {
+ if(cursor.getCount() > 0) {
+ exist = true;
+ }
+ cursor.close();
+ }
+ return exist;
+ }
+
+ public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) {
+ Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
+ new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
+ NoteColumns.PARENT_ID + "=?",
+ new String[] { String.valueOf(folderId) },
+ null); //查询条件:父ID是传入的folderId;
+
+ HashSet set = null;
+ if (c != null) {
+ if (c.moveToFirst()) {
+ set = new HashSet();
+ do {
+ try {
+ AppWidgetAttribute widget = new AppWidgetAttribute();
+ widget.widgetId = c.getInt(0); //0对应的NoteColumns.WIDGET_ID
+ widget.widgetType = c.getInt(1); //1对应的NoteColumns.WIDGET_TYPE
+ set.add(widget);
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, e.toString());
+ }
+ } while (c.moveToNext()); //查询下一条
+ }
+ c.close();
+ }
+ return set;
+ }
+
+ public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
+ Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
+ new String [] { CallNote.PHONE_NUMBER },
+ CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
+ new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },
+ null);
+
+ if (cursor != null && cursor.moveToFirst()) {
+ try {
+ return cursor.getString(0);
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, "Get call number fails " + e.toString());
+ } finally {
+ cursor.close();
+ }
+ }
+ return "";
+ }
+
+ public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
+ Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
+ new String [] { CallNote.NOTE_ID },
+ CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
+ + CallNote.PHONE_NUMBER + ",?)",
+ new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
+ null);
+ //通过数据库操作,查询条件是(callDate和phoneNumber匹配传入参数的值)
+
+ if (cursor != null) {
+ if (cursor.moveToFirst()) {
+ try {
+ return cursor.getLong(0); //0对应的CallNote.NOTE_ID
+ } catch (IndexOutOfBoundsException e) {
+ Log.e(TAG, "Get call note id fails " + e.toString());
+ }
+ }
+ cursor.close();
+ }
+ return 0;
+ }
+
+ public static String getSnippetById(ContentResolver resolver, long noteId) {
+ Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
+ new String [] { NoteColumns.SNIPPET },
+ NoteColumns.ID + "=?",
+ new String [] { String.valueOf(noteId)},
+ null);//查询条件:noteId
+
+ if (cursor != null) {
+ String snippet = "";
+ if (cursor.moveToFirst()) {
+ snippet = cursor.getString(0);
+ }
+ cursor.close();
+ return snippet;
+ }
+ throw new IllegalArgumentException("Note is not found with id: " + noteId);
+ }
+ public static String getFormattedSnippet(String snippet) { //对字符串进行格式处理,将字符串两头的空格去掉,同时将换行符去掉
+ if (snippet != null) {
+ snippet = snippet.trim();
+ int index = snippet.indexOf('\n');
+ if (index != -1) {
+ snippet = snippet.substring(0, index);
+ }
+ }
+ return snippet;
+ }
+
+}
\ No newline at end of file
diff --git a/doc/210340038张卓杨/tool类/GTaskStringUtils.txt b/doc/210340038张卓杨/tool类/GTaskStringUtils.txt
new file mode 100644
index 0000000..71a0694
--- /dev/null
+++ b/doc/210340038张卓杨/tool类/GTaskStringUtils.txt
@@ -0,0 +1,100 @@
+GTaskStringUtils:
+
+package net.micode.notes.tool;
+
+//定义了很多的静态字符串,目的就是为了提供jsonObject中相应字符串的钥匙。
+public class GTaskStringUtils {
+
+ public final static String GTASK_JSON_ACTION_ID = "action_id";
+
+ public final static String GTASK_JSON_ACTION_LIST = "action_list";
+
+ public final static String GTASK_JSON_ACTION_TYPE = "action_type";
+
+ public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";
+
+ public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all";
+
+ public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";
+
+ public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";
+
+ public final static String GTASK_JSON_CREATOR_ID = "creator_id";
+
+ public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";
+
+ public final static String GTASK_JSON_CLIENT_VERSION = "client_version";
+
+ public final static String GTASK_JSON_COMPLETED = "completed";
+
+ public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";
+
+ public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";
+
+ public final static String GTASK_JSON_DELETED = "deleted";
+
+ public final static String GTASK_JSON_DEST_LIST = "dest_list";
+
+ public final static String GTASK_JSON_DEST_PARENT = "dest_parent";
+
+ public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type";
+
+ public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta";
+
+ public final static String GTASK_JSON_ENTITY_TYPE = "entity_type";
+
+ public final static String GTASK_JSON_GET_DELETED = "get_deleted";
+
+ public final static String GTASK_JSON_ID = "id";
+
+ public final static String GTASK_JSON_INDEX = "index";
+
+ public final static String GTASK_JSON_LAST_MODIFIED = "last_modified";
+
+ public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point";
+
+ public final static String GTASK_JSON_LIST_ID = "list_id";
+
+ public final static String GTASK_JSON_LISTS = "lists";
+
+ public final static String GTASK_JSON_NAME = "name";
+
+ public final static String GTASK_JSON_NEW_ID = "new_id";
+
+ public final static String GTASK_JSON_NOTES = "notes";
+
+ public final static String GTASK_JSON_PARENT_ID = "parent_id";
+
+ public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id";
+
+ public final static String GTASK_JSON_RESULTS = "results";
+
+ public final static String GTASK_JSON_SOURCE_LIST = "source_list";
+
+ public final static String GTASK_JSON_TASKS = "tasks";
+
+ public final static String GTASK_JSON_TYPE = "type";
+
+ public final static String GTASK_JSON_TYPE_GROUP = "GROUP";
+
+ public final static String GTASK_JSON_TYPE_TASK = "TASK";
+
+ public final static String GTASK_JSON_USER = "user";
+
+ public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]";
+
+ public final static String FOLDER_DEFAULT = "Default";
+
+ public final static String FOLDER_CALL_NOTE = "Call_Note";
+
+ public final static String FOLDER_META = "METADATA";
+
+ public final static String META_HEAD_GTASK_ID = "meta_gid";
+
+ public final static String META_HEAD_NOTE = "meta_note";
+
+ public final static String META_HEAD_DATA = "meta_data";
+
+ public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE";
+
+}
\ No newline at end of file
diff --git a/doc/210340038张卓杨/tool类/ResourceParser.txt b/doc/210340038张卓杨/tool类/ResourceParser.txt
new file mode 100644
index 0000000..5750ec3
--- /dev/null
+++ b/doc/210340038张卓杨/tool类/ResourceParser.txt
@@ -0,0 +1,163 @@
+ResourceParser:
+
+package net.micode.notes.tool;
+
+public class ResourceParser {
+
+ public static final int YELLOW = 0;
+ public static final int BLUE = 1;
+ public static final int WHITE = 2;
+ public static final int GREEN = 3;
+ public static final int RED = 4;
+
+ public static final int BG_DEFAULT_COLOR = YELLOW;
+
+ public static final int TEXT_SMALL = 0;
+ public static final int TEXT_MEDIUM = 1;
+ public static final int TEXT_LARGE = 2;
+ public static final int TEXT_SUPER = 3;
+
+ public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
+
+ public static class NoteBgResources {
+ private final static int [] BG_EDIT_RESOURCES = new int [] {
+ R.drawable.edit_yellow,
+ R.drawable.edit_blue,
+ R.drawable.edit_white,
+ R.drawable.edit_green,
+ R.drawable.edit_red
+ //R.drawable 图片资源
+ };
+
+ private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
+ R.drawable.edit_title_yellow,
+ R.drawable.edit_title_blue,
+ R.drawable.edit_title_white,
+ R.drawable.edit_title_green,
+ R.drawable.edit_title_red
+ };
+
+ public static int getNoteBgResource(int id) {
+ return BG_EDIT_RESOURCES[id];
+ }
+
+ public static int getNoteTitleBgResource(int id) {
+ return BG_EDIT_TITLE_RESOURCES[id];
+ }
+ }
+ //获取默认的背景颜色
+ public static int getDefaultBgId(Context context) {
+ if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
+ NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
+ return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
+ } else {
+ return BG_DEFAULT_COLOR;
+ }
+ }
+
+ public static class NoteItemBgResources {
+ private final static int [] BG_FIRST_RESOURCES = new int [] {
+ R.drawable.list_yellow_up,
+ R.drawable.list_blue_up,
+ R.drawable.list_white_up,
+ R.drawable.list_green_up,
+ R.drawable.list_red_up
+ };
+
+ private final static int [] BG_NORMAL_RESOURCES = new int [] {
+ R.drawable.list_yellow_middle,
+ R.drawable.list_blue_middle,
+ R.drawable.list_white_middle,
+ R.drawable.list_green_middle,
+ R.drawable.list_red_middle
+ };
+
+ private final static int [] BG_LAST_RESOURCES = new int [] {
+ R.drawable.list_yellow_down,
+ R.drawable.list_blue_down,
+ R.drawable.list_white_down,
+ R.drawable.list_green_down,
+ R.drawable.list_red_down,
+ };
+
+ private final static int [] BG_SINGLE_RESOURCES = new int [] {
+ R.drawable.list_yellow_single,
+ R.drawable.list_blue_single,
+ R.drawable.list_white_single,
+ R.drawable.list_green_single,
+ R.drawable.list_red_single
+ };
+
+ public static int getNoteBgFirstRes(int id) {
+ return BG_FIRST_RESOURCES[id];
+ }
+
+ public static int getNoteBgLastRes(int id) {
+ return BG_LAST_RESOURCES[id];
+ }
+
+ public static int getNoteBgSingleRes(int id) {
+ return BG_SINGLE_RESOURCES[id];
+ }
+
+ public static int getNoteBgNormalRes(int id) {
+ return BG_NORMAL_RESOURCES[id];
+ }
+
+ public static int getFolderBgRes() {
+ return R.drawable.list_folder;
+ }
+ }
+
+ public static class WidgetBgResources {
+ private final static int [] BG_2X_RESOURCES = new int [] {
+ R.drawable.widget_2x_yellow,
+ R.drawable.widget_2x_blue,
+ R.drawable.widget_2x_white,
+ R.drawable.widget_2x_green,
+ R.drawable.widget_2x_red,
+ };
+
+ public static int getWidget2xBgResource(int id) {
+ return BG_2X_RESOURCES[id];
+ }
+
+ private final static int [] BG_4X_RESOURCES = new int [] {
+ R.drawable.widget_4x_yellow,
+ R.drawable.widget_4x_blue,
+ R.drawable.widget_4x_white,
+ R.drawable.widget_4x_green,
+ R.drawable.widget_4x_red
+ };
+
+ public static int getWidget4xBgResource(int id) {
+ return BG_4X_RESOURCES[id];
+ }
+ }
+
+ public static class TextAppearanceResources {
+ private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
+ R.style.TextAppearanceNormal,
+ R.style.TextAppearanceMedium,
+ R.style.TextAppearanceLarge,
+ R.style.TextAppearanceSuper
+ };
+
+ //一个防止输入的id大于资源总量的函数,若是大于,则自动返回默认的设置结果
+ public static int getTexAppearanceResource(int id) {
+ /**
+ * HACKME: Fix bug of store the resource id in shared preference.
+ * The id may larger than the length of resources, in this case,
+ * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
+ */
+ if (id >= TEXTAPPEARANCE_RESOURCES.length) {
+ return BG_DEFAULT_FONT_SIZE;
+ }
+ return TEXTAPPEARANCE_RESOURCES[id];
+ }
+
+ public static int getResourcesSize() {
+ return TEXTAPPEARANCE_RESOURCES.length;
+ }
+ }
+}
\ No newline at end of file
diff --git a/doc/210340038张卓杨/widget类/NoteWidgetProvider.txt b/doc/210340038张卓杨/widget类/NoteWidgetProvider.txt
new file mode 100644
index 0000000..4a991cc
--- /dev/null
+++ b/doc/210340038张卓杨/widget类/NoteWidgetProvider.txt
@@ -0,0 +1,118 @@
+NoteWidgetProvider:
+
+package net.micode.notes.widget;
+import android.app.PendingIntent;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+import android.util.Log;
+import android.widget.RemoteViews;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.ui.NoteEditActivity;
+import net.micode.notes.ui.NotesListActivity;
+
+public abstract class NoteWidgetProvider extends AppWidgetProvider {
+ public static final String [] PROJECTION = new String [] {
+ NoteColumns.ID,
+ NoteColumns.BG_COLOR_ID,
+ NoteColumns.SNIPPET
+ };//小米便签的桌面挂件
+
+ public static final int COLUMN_ID = 0;
+ public static final int COLUMN_BG_COLOR_ID = 1;
+ public static final int COLUMN_SNIPPET = 2;
+
+ private static final String TAG = "NoteWidgetProvider";
+
+ @Override
+ public void onDeleted(Context context, int[] appWidgetIds) {
+ ContentValues values = new ContentValues();
+ values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
+ for (int i = 0; i < appWidgetIds.length; i++) {
+ context.getContentResolver().update(Notes.CONTENT_NOTE_URI,
+ values,
+ NoteColumns.WIDGET_ID + "=?",
+ new String[] { String.valueOf(appWidgetIds[i])});
+ }
+ }
+
+ private Cursor getNoteWidgetInfo(Context context, int widgetId) {
+ return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
+ PROJECTION,
+ NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?",
+ new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) },
+ null);
+ }
+
+ protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+ update(context, appWidgetManager, appWidgetIds, false);
+ }
+
+ private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
+ boolean privacyMode) {
+ for (int i = 0; i < appWidgetIds.length; i++) {
+ if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {
+ int bgId = ResourceParser.getDefaultBgId(context);
+ String snippet = "";
+ Intent intent = new Intent(context, NoteEditActivity.class);
+ intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
+ intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);
+ intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());
+
+ Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
+ if (c != null && c.moveToFirst()) {
+ if (c.getCount() > 1) {
+ Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]);
+ c.close();
+ return;
+ }
+ snippet = c.getString(COLUMN_SNIPPET);
+ bgId = c.getInt(COLUMN_BG_COLOR_ID);
+ intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID));
+ intent.setAction(Intent.ACTION_VIEW);
+ } else {
+ snippet = context.getResources().getString(R.string.widget_havenot_content);
+ intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
+ }
+
+ if (c != null) {
+ c.close();
+ }
+
+ RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId());
+ rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId));
+ intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
+ /**
+ * Generate the pending intent to start host for the widget
+ */
+ PendingIntent pendingIntent = null;
+ if (privacyMode) {
+ rv.setTextViewText(R.id.widget_text,
+ context.getString(R.string.widget_under_visit_mode));
+ pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent(
+ context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT);
+ } else {
+ rv.setTextViewText(R.id.widget_text, snippet);
+ pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent,
+ PendingIntent.FLAG_UPDATE_CURRENT);
+ }
+
+ rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);
+ appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
+ }
+ }
+ }
+
+ protected abstract int getBgResourceId(int bgId);
+
+ protected abstract int getLayoutId();
+
+ protected abstract int getWidgetType();
+}
\ No newline at end of file
diff --git a/doc/210340038张卓杨/widget类/NoteWidgetProvider_2x.txt b/doc/210340038张卓杨/widget类/NoteWidgetProvider_2x.txt
new file mode 100644
index 0000000..e21533f
--- /dev/null
+++ b/doc/210340038张卓杨/widget类/NoteWidgetProvider_2x.txt
@@ -0,0 +1,34 @@
+NoteWidgetProvider_2x:
+
+package net.micode.notes.widget;
+
+import android.appwidget.AppWidgetManager;
+import android.content.Context;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.ResourceParser;
+
+
+public class NoteWidgetProvider_2x extends NoteWidgetProvider {
+ //2倍大小的桌面挂件
+ @Override
+ public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+ super.update(context, appWidgetManager, appWidgetIds);
+ }
+
+ @Override
+ protected int getLayoutId() {
+ return R.layout.widget_2x;
+ }
+
+ @Override
+ protected int getBgResourceId(int bgId) {
+ return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
+ }
+
+ @Override
+ protected int getWidgetType() {
+ return Notes.TYPE_WIDGET_2X;
+ }
+}
diff --git a/doc/210340038张卓杨/widget类/NoteWidgetProvider_4x.txt b/doc/210340038张卓杨/widget类/NoteWidgetProvider_4x.txt
new file mode 100644
index 0000000..8690867
--- /dev/null
+++ b/doc/210340038张卓杨/widget类/NoteWidgetProvider_4x.txt
@@ -0,0 +1,33 @@
+NoteWidgetProvider_4x:
+
+package net.micode.notes.widget;
+
+import android.appwidget.AppWidgetManager;
+import android.content.Context;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.ResourceParser;
+
+
+public class NoteWidgetProvider_4x extends NoteWidgetProvider {
+ //4倍大小的桌面挂件
+ @Override
+ public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+ super.update(context, appWidgetManager, appWidgetIds);
+ }
+
+ protected int getLayoutId() {
+ return R.layout.widget_4x;
+ }
+
+ @Override
+ protected int getBgResourceId(int bgId) {
+ return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
+ }
+
+ @Override
+ protected int getWidgetType() {
+ return Notes.TYPE_WIDGET_4X;
+ }
+}
diff --git a/doc/陈禹昕组泛读报告.docx b/doc/陈禹昕组泛读报告.docx
new file mode 100644
index 0000000..bcd2d2a
Binary files /dev/null and b/doc/陈禹昕组泛读报告.docx differ