diff --git a/doc/~$模板-开源软件泛读、标注和维护报告文档.docx b/doc/~$模板-开源软件泛读、标注和维护报告文档.docx deleted file mode 100644 index 2e5b7ee..0000000 Binary files a/doc/~$模板-开源软件泛读、标注和维护报告文档.docx and /dev/null differ diff --git a/doc/实践模板-开源软件泛读、标注和维护报告文档.docx b/doc/实践模板-开源软件泛读、标注和维护报告文档.docx deleted file mode 100644 index c6b659d..0000000 Binary files a/doc/实践模板-开源软件泛读、标注和维护报告文档.docx and /dev/null differ diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java index 85723be..3605b50 100644 --- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java +++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java @@ -15,7 +15,7 @@ */ package net.micode.notes.ui; - + import android.app.Activity; import android.app.AlertDialog; import android.content.Context; @@ -32,81 +32,108 @@ 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; - private String mSnippet; + 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) { + protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); - requestWindowFeature(Window.FEATURE_NO_TITLE); + //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); + // 请求无标题的窗口特性 + final Window win = getWindow(); win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); - + + // 如果屏幕关闭，添加一些窗口标志，以保持屏幕开启 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(); - + //获取传递给活动的Intent + try { mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + //从Intent中提取文本的ID号 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; + // 如果文本片段长度大于指定长度，进行截断，并添加后缀 } catch (IllegalArgumentException e) { e.printStackTrace(); return; } - + + // 创建MediaPlayer实例 mPlayer = new MediaPlayer(); + // 如果文本在数据库中可见，则显示对话框并播放闹钟声音 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() { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); return pm.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 + 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,获取静音模式下受影响的音频流 int silentModeStreams = Settings.System.getInt(getContentResolver(), Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); - + + // 设置MediaPlayer的音频流类型 if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { mPlayer.setAudioStreamType(silentModeStreams); } else { mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); } + + // 设置MediaPlayer的数据源，准备并播放音频 try { mPlayer.setDataSource(this, url); - mPlayer.prepare(); - mPlayer.setLooping(true); - mPlayer.start(); + //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(); @@ -118,41 +145,62 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD e.printStackTrace(); } } - + + // 显示操作对话框 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); - } + }// 如果屏幕开启，添加取消按钮 dialog.show().setOnDismissListener(this); + // 显示对话框并设置对话框的Dismiss监听器 } - + 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，启动NoteEditActivity以编辑文本 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; - } + }// 对话框按钮点击事件处理 } - + public void onDismiss(DialogInterface dialog) { + //忽略 stopAlarmSound(); + //停止闹钟声音 finish(); - } - + //完成该动作 + }// 对话框Dismiss事件处理 + private void stopAlarmSound() { if (mPlayer != null) { mPlayer.stop(); + //停止播放 mPlayer.release(); + //释放MediaPlayer对象 mPlayer = null; } - } -} + }// 停止播放闹钟声音 \ No newline at end of file diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java index f221202..03ff591 100644 --- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java +++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java @@ -14,8 +14,9 @@ * limitations under the License. */ +//这段代码是一个BroadcastReceiver，在系统启动时被触发。它查询数据库中需要提醒的笔记，然后为每个笔记设置闹钟。 package net.micode.notes.ui; - + import android.app.AlarmManager; import android.app.PendingIntent; import android.content.BroadcastReceiver; @@ -23,43 +24,59 @@ 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;查询投影，定义了需要获取的列 private static final int COLUMN_ID = 0; private static final int COLUMN_ALERTED_DATE = 1; - + // 列的索引 + @Override public void onReceive(Context context, Intent intent) { long currentDate = System.currentTimeMillis(); + //获取当前时间。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); + // 获取提醒时间和笔记ID + Intent sender = new Intent(context, AlarmReceiver.class); sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID))); + // 创建用于触发闹钟的Intent + PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); - AlarmManager alermManager = (AlarmManager) context - .getSystemService(Context.ALARM_SERVICE); + // 创建PendingIntent，用于启动AlarmReceiver + + AlarmManager alermManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); + // 获取AlarmManager + alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent); + // 设置闹钟，在提醒时间触发 } 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/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java index 54e503b..ec1ffa8 100644 --- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java +++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java @@ -15,16 +15,21 @@ */ 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); + 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/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePicker.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePicker.java index 496b0cd..6ba6189 100644 --- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePicker.java +++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePicker.java @@ -15,23 +15,24 @@ */ 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; @@ -45,25 +46,27 @@ public class DateTimePicker extends FrameLayout { 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) { @@ -71,41 +74,49 @@ public class DateTimePicker extends FrameLayout { 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() { - @Override + //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)); @@ -114,18 +125,22 @@ public class DateTimePicker extends FrameLayout { } } }; - + 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()); @@ -143,9 +158,10 @@ public class DateTimePicker extends FrameLayout { onDateTimeChanged(); } }; - + private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() { - @Override + //对AM和PM的监听 + @Override public void onValueChange(NumberPicker picker, int oldVal, int newVal) { mIsAm = !mIsAm; if (mIsAm) { @@ -157,63 +173,66 @@ public class DateTimePicker extends FrameLayout { 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 = (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) { @@ -226,12 +245,12 @@ public class DateTimePicker extends FrameLayout { mAmPmSpinner.setEnabled(enabled); mIsEnabled = enabled; } - + @Override public boolean isEnabled() { return mIsEnabled; } - + /** * Get the current date in millis * @@ -239,8 +258,8 @@ public class DateTimePicker extends FrameLayout { */ public long getCurrentDateInTimeMillis() { return mDate.getTimeInMillis(); - } - + }//实现函数——得到当前的秒数 + /** * Set the current date * @@ -251,8 +270,8 @@ public class DateTimePicker extends FrameLayout { 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 * @@ -269,17 +288,18 @@ public class DateTimePicker extends FrameLayout { 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 * @@ -293,7 +313,7 @@ public class DateTimePicker extends FrameLayout { updateDateControl(); onDateTimeChanged(); } - + /** * Get current month in the year * @@ -302,7 +322,7 @@ public class DateTimePicker extends FrameLayout { public int getCurrentMonth() { return mDate.get(Calendar.MONTH); } - + /** * Set current month in the year * @@ -316,7 +336,7 @@ public class DateTimePicker extends FrameLayout { updateDateControl(); onDateTimeChanged(); } - + /** * Get current day of the month * @@ -325,7 +345,7 @@ public class DateTimePicker extends FrameLayout { public int getCurrentDay() { return mDate.get(Calendar.DAY_OF_MONTH); } - + /** * Set current day of the month * @@ -339,7 +359,7 @@ public class DateTimePicker extends FrameLayout { updateDateControl(); onDateTimeChanged(); } - + /** * Get current hour in 24 hour mode, in the range (0~23) * @return The current hour in 24 hour mode @@ -347,7 +367,7 @@ public class DateTimePicker extends FrameLayout { public int getCurrentHourOfDay() { return mDate.get(Calendar.HOUR_OF_DAY); } - + private int getCurrentHour() { if (mIs24HourView){ return getCurrentHourOfDay(); @@ -360,7 +380,7 @@ public class DateTimePicker extends FrameLayout { } } } - + /** * Set current hour in 24 hour mode, in the range (0~23) * @@ -388,7 +408,7 @@ public class DateTimePicker extends FrameLayout { mHourSpinner.setValue(hourOfDay); onDateTimeChanged(); } - + /** * Get currentMinute * @@ -397,7 +417,7 @@ public class DateTimePicker extends FrameLayout { public int getCurrentMinute() { return mDate.get(Calendar.MINUTE); } - + /** * Set current minute */ @@ -409,14 +429,14 @@ public class DateTimePicker extends FrameLayout { 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. * @@ -433,7 +453,7 @@ public class DateTimePicker extends FrameLayout { setCurrentHour(hour); updateAmPmControl(); } - + private void updateDateControl() { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(mDate.getTimeInMillis()); @@ -446,8 +466,8 @@ public class DateTimePicker extends FrameLayout { 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); @@ -455,9 +475,9 @@ public class DateTimePicker extends FrameLayout { 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); @@ -465,9 +485,9 @@ public class DateTimePicker extends FrameLayout { } 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 @@ -475,11 +495,11 @@ public class DateTimePicker extends FrameLayout { 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/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java index 2c47ba4..00a2409 100644 --- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java +++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java @@ -15,35 +15,42 @@ */ 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) { @@ -52,26 +59,31 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener 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 | @@ -79,12 +91,13 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener 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/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DropdownMenu.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DropdownMenu.java index 613dc74..91539a4 100644 --- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DropdownMenu.java +++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/DropdownMenu.java @@ -15,7 +15,7 @@ */ package net.micode.notes.ui; - + import android.content.Context; import android.view.Menu; import android.view.MenuItem; @@ -24,38 +24,42 @@ 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 } diff --git a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java index 96b77da..2c35db4 100644 --- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java +++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java @@ -15,7 +15,7 @@ */ package net.micode.notes.ui; - + import android.content.Context; import android.database.Cursor; import android.view.View; @@ -23,31 +23,36 @@ 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) { - return new FolderListItem(context); - } - + //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) { @@ -55,26 +60,28 @@ public class FoldersListAdapter extends CursorAdapter { .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/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java index 3f0d792..00dfb3a 100644 --- a/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java +++ b/src/Notes-master1/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java @@ -16,7 +16,7 @@ package net.micode.notes.ui; - + import android.app.Activity; import android.app.AlarmManager; import android.app.AlertDialog; @@ -52,7 +52,7 @@ 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; @@ -65,36 +65,28 @@ 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; - - /** - * - * @ClassName: NoteEditActivity - * @Description: java类作用描述 - * @Author: zhangyimai - * @CreateDate: 2023/12/10 - * @UpdateUser: updater - * @UpdateDate: 2023/12/10 - * @UpdateRemark: 更新内容 - * @Version: 1.0 - */ + + 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); @@ -102,8 +94,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); @@ -111,67 +104,73 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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; - - private WorkingNote mWorkingNote; - + //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 @@ -187,9 +186,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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, @@ -199,34 +198,42 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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; - } else { + } + //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())) { - // New note + // 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); @@ -234,7 +241,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); @@ -251,16 +258,18 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); @@ -272,16 +281,18 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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 { @@ -293,42 +304,45 @@ public class NoteEditActivity extends Activity implements OnClickListener, } 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); - } else { + } + //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); @@ -340,26 +354,29 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); @@ -368,12 +385,14 @@ public class NoteEditActivity extends Activity implements OnClickListener, if (ev.getX() < x || ev.getX() > (x + view.getWidth()) || ev.getY() < y - || ev.getY() > (y + view.getHeight())) { + || 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(); @@ -388,13 +407,13 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); /** @@ -407,7 +426,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list); } - + @Override protected void onPause() { super.onPause(); @@ -416,7 +435,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } 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) { @@ -427,15 +446,15 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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) { @@ -462,17 +481,17 @@ public class NoteEditActivity extends Activity implements OnClickListener, mFontSizeSelector.setVisibility(View.GONE); } } - + @Override public void onBackPressed() { if(clearSettingState()) { return; } - + saveNote(); super.onBackPressed(); } - + private boolean clearSettingState() { if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) { mNoteBgColorSelector.setVisibility(View.GONE); @@ -483,15 +502,16 @@ public class NoteEditActivity extends Activity implements OnClickListener, } 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; @@ -500,6 +520,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); } @@ -515,150 +536,245 @@ public class NoteEditActivity extends Activity implements OnClickListener, } 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) { - int itemId = item.getItemId(); - if (itemId == R.id.menu_new_note) { - createNewNote(); - } else if (itemId == R.id.menu_delete) { - AlertDialog.Builder builder = new AlertDialog.Builder(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_note)); - builder.setPositiveButton(android.R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - deleteCurrentNote(); - finish(); - } - }); - builder.setNegativeButton(android.R.string.cancel, null); - builder.show(); - } else if (itemId == R.id.menu_font_size) { - mFontSizeSelector.setVisibility(View.VISIBLE); - findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); - } else if (itemId == R.id.menu_list_mode) { - mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? - TextNote.MODE_CHECK_LIST : 0); - } else if (itemId == R.id.menu_share) { - getWorkingText(); - sendTo(this, mWorkingNote.getContent()); - } else if (itemId == R.id.menu_send_to_desktop) { - sendToDesktop(); - } else if (itemId == R.id.menu_alert) { - setReminder(); - } else if (itemId == R.id.menu_delete_remind) { - mWorkingNote.setAlertDate(0, false); + 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(); + 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( @@ -667,69 +783,101 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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(); - edit.setSelection(length); + 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(); - edit.setSelection(0); + 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) { @@ -740,75 +888,111 @@ public class NoteEditActivity extends Activity implements OnClickListener, } } }); - + //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, @@ -817,11 +1001,16 @@ public class NoteEditActivity extends Activity implements OnClickListener, * 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 @@ -830,12 +1019,16 @@ public class NoteEditActivity extends Activity implements OnClickListener, */ 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, @@ -843,9 +1036,12 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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 @@ -854,21 +1050,35 @@ public class NoteEditActivity extends Activity implements OnClickListener, */ 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