From 4e3bfb9bbabdf854fa87740df6b1e23a2683d67b Mon Sep 17 00:00:00 2001 From: pwaim3n8e <1640111257@qq.com> Date: Mon, 9 Jun 2025 23:22:30 +0800 Subject: [PATCH] =?UTF-8?q?Delete=20'src/230340157=E4=BA=8E=E7=B4=AB?= =?UTF-8?q?=E7=92=87.txt'?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/230340157于紫璇.txt | 4433 ------------------------------------ 1 file changed, 4433 deletions(-) delete mode 100644 src/230340157于紫璇.txt diff --git a/src/230340157于紫璇.txt b/src/230340157于紫璇.txt deleted file mode 100644 index 2f362bd..0000000 --- a/src/230340157于紫璇.txt +++ /dev/null @@ -1,4433 +0,0 @@ -1、AlarmAlertActivity.java - -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; - } - } -} -2、AlarmInitReceiver.java - -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 - } -} -3、AlarmReceiver.java - -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 - -4、DateTimePicker.java - -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()); - } - } -} -5、DateTimePickerDialog.java - -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 - -} -6、DropdownMenu.java - -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 -} -7、FoldersListAdapter.java - -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); - } - } - -} -8、NoteEditActivity.java - -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(); - } -} -9、NoteEditText.java - -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); - } -} -10、NoteItemData.java - -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); - } -} -11、NotesListActivity.java - -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; - } -} -12、NotesListAdapter.java - -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 - } - } -} -13、NotesListItem.java - -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; - } -} -14、NotesPreferenceActivity.java - -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; - } - } -}