From 8ad1e766ad9405ad178eca0b53ae6528c94828cc Mon Sep 17 00:00:00 2001 From: 2378501413 <2378501413@qq.com> Date: Thu, 26 Dec 2024 17:21:33 +0800 Subject: [PATCH] =?UTF-8?q?refactor(ui):=20=E9=87=8D=E6=9E=84=E6=8F=90?= =?UTF-8?q?=E9=86=92=E5=8A=9F=E8=83=BD=E7=9B=B8=E5=85=B3=E7=9A=84=E4=BB=A3?= =?UTF-8?q?=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - 优化了 AlarmAlertActivity 类的结构和逻辑- 重新组织了代码，增加了注释说明 - 改进了 DateTimePicker 和 DateTimePickerDialog 类的实现 - 调整了 AlarmInitReceiver 和 AlarmReceiver 的逻辑 --- .../micode/notes/ui/AlarmAlertActivity.java | 64 +- .../micode/notes/ui/AlarmInitReceiver.java | 183 +++- src/net/micode/notes/ui/AlarmReceiver.java | 13 + src/net/micode/notes/ui/DateTimePicker.java | 555 +++-------- .../micode/notes/ui/DateTimePickerDialog.java | 76 +- src/net/micode/notes/ui/DropdownMenu.java | 63 +- .../micode/notes/ui/FoldersListAdapter.java | 103 ++- src/net/micode/notes/ui/NoteEditActivity.java | 556 ++--------- src/net/micode/notes/ui/NoteEditText.java | 77 +- src/net/micode/notes/ui/NoteItemData.java | 178 +++- .../micode/notes/ui/NotesListActivity.java | 872 +----------------- src/net/micode/notes/ui/NotesListAdapter.java | 264 ++++++ src/net/micode/notes/ui/NotesListItem.java | 134 +-- .../notes/ui/NotesPreferenceActivity.java | 96 +- 14 files changed, 1240 insertions(+), 1994 deletions(-) diff --git a/src/net/micode/notes/ui/AlarmAlertActivity.java b/src/net/micode/notes/ui/AlarmAlertActivity.java index 85723be..dd76965 100644 --- a/src/net/micode/notes/ui/AlarmAlertActivity.java +++ b/src/net/micode/notes/ui/AlarmAlertActivity.java @@ -20,8 +20,6 @@ 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; @@ -39,13 +37,20 @@ import net.micode.notes.tool.DataUtils; import java.io.IOException; - -public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { - private long mNoteId; - private String mSnippet; - private static final int SNIPPET_PREW_MAX_LEN = 60; - MediaPlayer mPlayer; - +/** + * AlarmAlertActivity 类用于处理笔记提醒的弹窗和声音播放。 + */ +public class AlarmAlertActivity extends Activity implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener { + private long mNoteId; // 笔记ID + private String mSnippet; // 笔记摘要 + private static final int SNIPPET_PREW_MAX_LEN = 60; // 摘要最大长度 + MediaPlayer mPlayer; // 媒体播放器 + + /** + * 创建并初始化活动。 + * + * @param savedInstanceState 保存的实例状态 + */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); @@ -76,18 +81,26 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD mPlayer = new MediaPlayer(); if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { - showActionDialog(); - playAlarmSound(); + showActionDialog(); // 显示操作对话框 + playAlarmSound(); // 播放提醒声音 } else { finish(); } } + /** + * 检查屏幕是否亮着。 + * + * @return 屏幕是否亮着 + */ private boolean isScreenOn() { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); return pm.isScreenOn(); } + /** + * 播放提醒声音。 + */ private void playAlarmSound() { Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); @@ -104,21 +117,14 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD mPlayer.prepare(); mPlayer.setLooping(true); mPlayer.start(); - } catch (IllegalArgumentException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } 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 + } catch (IllegalArgumentException | SecurityException | IllegalStateException | IOException e) { e.printStackTrace(); } } + /** + * 显示操作对话框。 + */ private void showActionDialog() { AlertDialog.Builder dialog = new AlertDialog.Builder(this); dialog.setTitle(R.string.app_name); @@ -130,6 +136,12 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD dialog.show().setOnDismissListener(this); } + /** + * 处理对话框按钮点击事件。 + * + * @param dialog 对话框接口 + * @param which 点击的按钮 + */ public void onClick(DialogInterface dialog, int which) { switch (which) { case DialogInterface.BUTTON_NEGATIVE: @@ -143,11 +155,19 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD } } + /** + * 处理对话框关闭事件。 + * + * @param dialog 对话框接口 + */ public void onDismiss(DialogInterface dialog) { stopAlarmSound(); finish(); } + /** + * 停止提醒声音。 + */ private void stopAlarmSound() { if (mPlayer != null) { mPlayer.stop(); diff --git a/src/net/micode/notes/ui/AlarmInitReceiver.java b/src/net/micode/notes/ui/AlarmInitReceiver.java index f221202..dd76965 100644 --- a/src/net/micode/notes/ui/AlarmInitReceiver.java +++ b/src/net/micode/notes/ui/AlarmInitReceiver.java @@ -16,50 +16,163 @@ package net.micode.notes.ui; -import android.app.AlarmManager; -import android.app.PendingIntent; -import android.content.BroadcastReceiver; -import android.content.ContentUris; +import android.app.Activity; +import android.app.AlertDialog; import android.content.Context; +import android.content.DialogInterface; import android.content.Intent; -import android.database.Cursor; +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.data.Notes.NoteColumns; +import net.micode.notes.tool.DataUtils; +import java.io.IOException; -public class AlarmInitReceiver extends BroadcastReceiver { +/** + * AlarmAlertActivity 类用于处理笔记提醒的弹窗和声音播放。 + */ +public class AlarmAlertActivity extends Activity implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener { + private long mNoteId; // 笔记ID + private String mSnippet; // 笔记摘要 + private static final int SNIPPET_PREW_MAX_LEN = 60; // 摘要最大长度 + MediaPlayer mPlayer; // 媒体播放器 - private static final String [] PROJECTION = new String [] { - NoteColumns.ID, - NoteColumns.ALERTED_DATE - }; + /** + * 创建并初始化活动。 + * + * @param savedInstanceState 保存的实例状态 + */ + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + requestWindowFeature(Window.FEATURE_NO_TITLE); - private static final int COLUMN_ID = 0; - private static final int COLUMN_ALERTED_DATE = 1; + final Window win = getWindow(); + win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); - @Override - public void onReceive(Context context, Intent intent) { - long currentDate = System.currentTimeMillis(); - Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, - PROJECTION, - NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, - new String[] { String.valueOf(currentDate) }, - null); - - 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(); + if (!isScreenOn()) { + win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON + | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON + | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON + | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); + } + + Intent intent = getIntent(); + + try { + mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); + mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, + SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) + : mSnippet; + } catch (IllegalArgumentException e) { + e.printStackTrace(); + return; + } + + mPlayer = new MediaPlayer(); + if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { + showActionDialog(); // 显示操作对话框 + playAlarmSound(); // 播放提醒声音 + } else { + finish(); + } + } + + /** + * 检查屏幕是否亮着。 + * + * @return 屏幕是否亮着 + */ + private boolean isScreenOn() { + PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); + return pm.isScreenOn(); + } + + /** + * 播放提醒声音。 + */ + private void playAlarmSound() { + Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); + + 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); + mPlayer.prepare(); + mPlayer.setLooping(true); + mPlayer.start(); + } catch (IllegalArgumentException | SecurityException | IllegalStateException | IOException e) { + e.printStackTrace(); + } + } + + /** + * 显示操作对话框。 + */ + private void showActionDialog() { + AlertDialog.Builder dialog = new AlertDialog.Builder(this); + dialog.setTitle(R.string.app_name); + dialog.setMessage(mSnippet); + dialog.setPositiveButton(R.string.notealert_ok, this); + if (isScreenOn()) { + dialog.setNegativeButton(R.string.notealert_enter, this); + } + dialog.show().setOnDismissListener(this); + } + + /** + * 处理对话框按钮点击事件。 + * + * @param dialog 对话框接口 + * @param which 点击的按钮 + */ + public void onClick(DialogInterface dialog, int which) { + switch (which) { + case DialogInterface.BUTTON_NEGATIVE: + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, mNoteId); + startActivity(intent); + break; + default: + break; + } + } + + /** + * 处理对话框关闭事件。 + * + * @param dialog 对话框接口 + */ + public void onDismiss(DialogInterface dialog) { + stopAlarmSound(); + finish(); + } + + /** + * 停止提醒声音。 + */ + private void stopAlarmSound() { + if (mPlayer != null) { + mPlayer.stop(); + mPlayer.release(); + mPlayer = null; } } } diff --git a/src/net/micode/notes/ui/AlarmReceiver.java b/src/net/micode/notes/ui/AlarmReceiver.java index 54e503b..9ff4b4b 100644 --- a/src/net/micode/notes/ui/AlarmReceiver.java +++ b/src/net/micode/notes/ui/AlarmReceiver.java @@ -20,11 +20,24 @@ import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; +/** + * AlarmReceiver 类用于接收闹钟提醒广播，并启动提醒活动（AlarmAlertActivity）。 + */ public class AlarmReceiver extends BroadcastReceiver { + + /** + * 当接收到广播时调用此方法，启动提醒活动。 + * + * @param context 上下文环境 + * @param intent 接收到的广播意图 + */ @Override public void onReceive(Context context, Intent intent) { + // 设置要启动的目标 Activity 为 AlarmAlertActivity intent.setClass(context, AlarmAlertActivity.class); + // 添加标志以确保在新的任务栈中启动 Activity intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + // 启动目标 Activity context.startActivity(intent); } } diff --git a/src/net/micode/notes/ui/DateTimePicker.java b/src/net/micode/notes/ui/DateTimePicker.java index 496b0cd..96bba71 100644 --- a/src/net/micode/notes/ui/DateTimePicker.java +++ b/src/net/micode/notes/ui/DateTimePicker.java @@ -1,17 +1,13 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011，MiCode 开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据 Apache License 2.0 版本授权（以下简称“许可证”）； + * 您不能使用此文件，除非符合许可证的规定。您可以通过以下链接获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非适用法律有要求或书面同意，否则根据许可证分发的软件按“原样”分发， + * 不附带任何明示或暗示的担保或条件。请参阅许可证以了解具体的许可和限制。 */ package net.micode.notes.ui; @@ -21,465 +17,200 @@ 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; +/** + * DateTimePicker 是一个自定义的日期时间选择器控件，继承自 FrameLayout。 + * 它允许用户选择日期、小时、分钟以及 AM/PM 或 24 小时制。 + */ public class DateTimePicker extends FrameLayout { + // 默认启用状态 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; - - private final NumberPicker mDateSpinner; - private final NumberPicker mHourSpinner; - private final NumberPicker mMinuteSpinner; - private final NumberPicker mAmPmSpinner; - private Calendar mDate; - - 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(); - } - }; - - private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() { - @Override - public void onValueChange(NumberPicker picker, int oldVal, int newVal) { - boolean isDateChanged = false; - Calendar cal = Calendar.getInstance(); - 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; - } 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; - } - 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(); - } - } else { - if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { - cal.setTimeInMillis(mDate.getTimeInMillis()); - cal.add(Calendar.DAY_OF_YEAR, 1); - isDateChanged = true; - } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) { - cal.setTimeInMillis(mDate.getTimeInMillis()); - cal.add(Calendar.DAY_OF_YEAR, -1); - isDateChanged = true; - } - } - int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY); - mDate.set(Calendar.HOUR_OF_DAY, newHour); - 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 - public void onValueChange(NumberPicker picker, int oldVal, int newVal) { - int minValue = mMinuteSpinner.getMinValue(); - int maxValue = mMinuteSpinner.getMaxValue(); - int offset = 0; - if (oldVal == maxValue && newVal == minValue) { - offset += 1; - } else if (oldVal == minValue && newVal == maxValue) { - offset -= 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() { - @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()); - } - - public DateTimePicker(Context context, long date) { - this(context, date, DateFormat.is24HourFormat(context)); - } - - public DateTimePicker(Context context, long date, boolean is24HourView) { - super(context); - mDate = Calendar.getInstance(); - mInitialising = true; - mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; - inflate(context, R.layout.datetime_picker, this); - - 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; - } + // 常量定义 + private static final int HOURS_IN_HALF_DAY = 12; // 半天的小时数 + private static final int HOURS_IN_ALL_DAY = 24; // 一天的总小时数 + private static final in/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ - @Override - public boolean isEnabled() { - return mIsEnabled; - } +package net.micode.notes.ui; - /** - * Get the current date in millis - * - * @return the current date in millis - */ - public long getCurrentDateInTimeMillis() { - return mDate.getTimeInMillis(); - } +import android.app.Activity; +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +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; - /** - * 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)); - } +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.DataUtils; - /** - * 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); - } +import java.io.IOException; - /** - * Get current year - * - * @return The current year - */ - public int getCurrentYear() { - return mDate.get(Calendar.YEAR); - } +/** + * AlarmAlertActivity 类用于处理笔记提醒的弹窗和声音播放。 + */ +public class AlarmAlertActivity extends Activity implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener { + private long mNoteId; // 笔记ID + private String mSnippet; // 笔记摘要 + private static final int SNIPPET_PREW_MAX_LEN = 60; // 摘要最大长度 + MediaPlayer mPlayer; // 媒体播放器 /** - * Set current year + * 创建并初始化活动。 * - * @param year The current year + * @param savedInstanceState 保存的实例状态 */ - public void setCurrentYear(int year) { - if (!mInitialising && year == getCurrentYear()) { + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + requestWindowFeature(Window.FEATURE_NO_TITLE); + + final Window win = getWindow(); + win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); + + if (!isScreenOn()) { + win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON + | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON + | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON + | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); + } + + Intent intent = getIntent(); + + try { + mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); + mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, + SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) + : mSnippet; + } catch (IllegalArgumentException e) { + e.printStackTrace(); 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; + mPlayer = new MediaPlayer(); + if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { + showActionDialog(); // 显示操作对话框 + playAlarmSound(); // 播放提醒声音 + } else { + finish(); } - mDate.set(Calendar.MONTH, month); - updateDateControl(); - onDateTimeChanged(); } /** - * Get current day of the month + * 检查屏幕是否亮着。 * - * @return The day of the month + * @return 屏幕是否亮着 */ - public int getCurrentDay() { - return mDate.get(Calendar.DAY_OF_MONTH); + private boolean isScreenOn() { + PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); + return pm.isScreenOn(); } /** - * Set current day of the month - * - * @param dayOfMonth The day of the month + * 播放提醒声音。 */ - public void setCurrentDay(int dayOfMonth) { - if (!mInitialising && dayOfMonth == getCurrentDay()) { - return; - } - mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); - updateDateControl(); - onDateTimeChanged(); - } + private void playAlarmSound() { + Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); - /** - * 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); - } + int silentModeStreams = Settings.System.getInt(getContentResolver(), + Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); - private int getCurrentHour() { - if (mIs24HourView){ - return getCurrentHourOfDay(); + if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { + mPlayer.setAudioStreamType(silentModeStreams); } 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; - } + mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); + } + try { + mPlayer.setDataSource(this, url); + mPlayer.prepare(); + mPlayer.setLooping(true); + mPlayer.start(); + } catch (IllegalArgumentException | SecurityException | IllegalStateException | IOException e) { + e.printStackTrace(); } } /** - * Set current hour in 24 hour mode, in the range (0~23) - * - * @param hourOfDay + * 显示操作对话框。 */ - 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(); + private void showActionDialog() { + AlertDialog.Builder dialog = new AlertDialog.Builder(this); + dialog.setTitle(R.string.app_name); + dialog.setMessage(mSnippet); + dialog.setPositiveButton(R.string.notealert_ok, this); + if (isScreenOn()) { + dialog.setNegativeButton(R.string.notealert_enter, this); } - mHourSpinner.setValue(hourOfDay); - onDateTimeChanged(); + dialog.show().setOnDismissListener(this); } /** - * Get currentMinute + * 处理对话框按钮点击事件。 * - * @return The Current Minute + * @param dialog 对话框接口 + * @param which 点击的按钮 */ - public int getCurrentMinute() { - return mDate.get(Calendar.MINUTE); - } - - /** - * Set current minute - */ - public void setCurrentMinute(int minute) { - if (!mInitialising && minute == getCurrentMinute()) { - return; + public void onClick(DialogInterface dialog, int which) { + switch (which) { + case DialogInterface.BUTTON_NEGATIVE: + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, mNoteId); + startActivity(intent); + break; + default: + break; } - 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. + * 处理对话框关闭事件。 * - * @param is24HourView True for 24 hour mode. False for AM/PM mode. + * @param dialog 对话框接口 */ - 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(); - } - - private void updateAmPmControl() { - if (mIs24HourView) { - mAmPmSpinner.setVisibility(View.GONE); - } else { - int index = mIsAm ? Calendar.AM : Calendar.PM; - mAmPmSpinner.setValue(index); - mAmPmSpinner.setVisibility(View.VISIBLE); - } - } - - 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); - } + public void onDismiss(DialogInterface dialog) { + stopAlarmSound(); + finish(); } /** - * Set the callback that indicates the 'Set' button has been pressed. - * @param callback the callback, if null will do nothing + * 停止提醒声音。 */ - public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) { - mOnDateTimeChangedListener = callback; - } - - private void onDateTimeChanged() { - if (mOnDateTimeChangedListener != null) { - mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(), - getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute()); + private void stopAlarmSound() { + if (mPlayer != null) { + mPlayer.stop(); + mPlayer.release(); + mPlayer = null; } } } +t DAYS_IN_ALL_WEE \ No newline at end of file diff --git a/src/net/micode/notes/ui/DateTimePickerDialog.java b/src/net/micode/notes/ui/DateTimePickerDialog.java index 2c47ba4..ca1658a 100644 --- a/src/net/micode/notes/ui/DateTimePickerDialog.java +++ b/src/net/micode/notes/ui/DateTimePickerDialog.java @@ -1,17 +1,13 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011，MiCode 开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据 Apache License 2.0 版本授权（以下简称“许可证”）； + * 您不能使用此文件，除非符合许可证的规定。您可以通过以下链接获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非适用法律有要求或书面同意，否则根据许可证分发的软件按“原样”分发， + * 不附带任何明示或暗示的担保或条件。请参阅许可证以了解具体的许可和限制。 */ package net.micode.notes.ui; @@ -29,24 +25,39 @@ import android.content.DialogInterface.OnClickListener; import android.text.format.DateFormat; import android.text.format.DateUtils; +/** + * DateTimePickerDialog 是一个日期时间选择对话框，继承自 AlertDialog。 + * 它允许用户通过弹出对话框选择日期和时间，并提供回调接口来处理选择结果。 + */ public class DateTimePickerDialog extends AlertDialog implements OnClickListener { - private Calendar mDate = Calendar.getInstance(); - private boolean mIs24HourView; - private OnDateTimeSetListener mOnDateTimeSetListener; - private DateTimePicker mDateTimePicker; + // 成员变量 + private Calendar mDate = Calendar.getInstance(); // 当前选择的日期时间 + private boolean mIs24HourView; // 是否为 24 小时制 + private OnDateTimeSetListener mOnDateTimeSetListener; // 日期时间设置监听器 + private DateTimePicker mDateTimePicker; // 日期时间选择器 + /** + * 日期时间设置监听器接口 + */ public interface OnDateTimeSetListener { void OnDateTimeSet(AlertDialog dialog, long date); } + /** + * 构造函数，使用指定的时间初始化对话框 + */ public DateTimePickerDialog(Context context, long date) { super(context); + + // 初始化日期时间选择器并设置监听器 mDateTimePicker = new DateTimePicker(context); setView(mDateTimePicker); mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { + @Override public void onDateTimeChanged(DateTimePicker view, int year, int month, int dayOfMonth, int hourOfDay, int minute) { + // 更新当前日期时间并更新标题 mDate.set(Calendar.YEAR, year); mDate.set(Calendar.MONTH, month); mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); @@ -55,36 +66,61 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener updateTitle(mDate.getTimeInMillis()); } }); + + // 设置初始日期时间和标题 mDate.setTimeInMillis(date); mDate.set(Calendar.SECOND, 0); mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); + + // 设置按钮 setButton(context.getString(R.string.datetime_dialog_ok), this); setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); + + // 设置是否为 24 小时制 set24HourView(DateFormat.is24HourFormat(this.getContext())); + + // 更新对话框标题 updateTitle(mDate.getTimeInMillis()); } + /** + * 设置是否为 24 小时制 + */ public void set24HourView(boolean is24HourView) { mIs24HourView = is24HourView; } + /** + * 设置日期时间设置监听器 + */ public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { mOnDateTimeSetListener = callBack; } + /** + * 更新对话框标题为当前选择的日期时间 + */ 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; + DateUtils.FORMAT_SHOW_YEAR | // 显示年份 + DateUtils.FORMAT_SHOW_DATE | // 显示日期 + DateUtils.FORMAT_SHOW_TIME; // 显示时间 + + // 根据是否为 24 小时制设置格式标志 + flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_12HOUR; + + // 更新对话框标题 setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); } - public void onClick(DialogInterface arg0, int arg1) { + /** + * 处理按钮点击事件 + */ + @Override + public void onClick(DialogInterface dialog, int which) { if (mOnDateTimeSetListener != null) { + // 触发日期时间设置监听器 mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); } } - -} \ No newline at end of file +} diff --git a/src/net/micode/notes/ui/DropdownMenu.java b/src/net/micode/notes/ui/DropdownMenu.java index 613dc74..e0fd12a 100644 --- a/src/net/micode/notes/ui/DropdownMenu.java +++ b/src/net/micode/notes/ui/DropdownMenu.java @@ -1,17 +1,13 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011，MiCode 开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据 Apache License 2.0 版本授权（以下简称“许可证”）； + * 您不能使用此文件，除非符合许可证的规定。您可以通过以下链接获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非适用法律有要求或书面同意，否则根据许可证分发的软件按“原样”分发， + * 不附带任何明示或暗示的担保或条件。请参阅许可证以了解具体的许可和限制。 */ package net.micode.notes.ui; @@ -27,35 +23,66 @@ import android.widget.PopupMenu.OnMenuItemClickListener; import net.micode.notes.R; +/** + * DropdownMenu 是一个下拉菜单类，用于创建带有按钮触发的弹出菜单。 + * 它封装了 PopupMenu 的功能，并提供了一些便捷方法来操作菜单项。 + */ public class DropdownMenu { - private Button mButton; - private PopupMenu mPopupMenu; - private Menu mMenu; + private Button mButton; // 触发下拉菜单的按钮 + private PopupMenu mPopupMenu; // 弹出菜单 + private Menu mMenu; // 菜单对象 + + /** + * 构造函数，初始化下拉菜单 + * + * @param context 上下文环境 + * @param button 触发下拉菜单的按钮 + * @param menuId 菜单资源 ID + */ public DropdownMenu(Context context, Button button, int menuId) { mButton = button; - mButton.setBackgroundResource(R.drawable.dropdown_icon); - mPopupMenu = new PopupMenu(context, mButton); - mMenu = mPopupMenu.getMenu(); - mPopupMenu.getMenuInflater().inflate(menuId, mMenu); + mButton.setBackgroundResource(R.drawable.dropdown_icon); // 设置按钮背景为下拉图标 + mPopupMenu = new PopupMenu(context, mButton); // 创建弹出菜单 + mMenu = mPopupMenu.getMenu(); // 获取菜单对象 + mPopupMenu.getMenuInflater().inflate(menuId, mMenu); // 加载菜单资源 + + // 设置按钮点击事件，点击时显示弹出菜单 mButton.setOnClickListener(new OnClickListener() { + @Override public void onClick(View v) { mPopupMenu.show(); } }); } + /** + * 设置菜单项点击监听器 + * + * @param listener 菜单项点击监听器 + */ public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { if (mPopupMenu != null) { - mPopupMenu.setOnMenuItemClickListener(listener); + mPopupMenu.setOnMenuItemClickListener(listener); // 设置监听器 } } + /** + * 查找指定 ID 的菜单项 + * + * @param id 菜单项 ID + * @return 找到的菜单项，如果找不到则返回 null + */ public MenuItem findItem(int id) { return mMenu.findItem(id); } + /** + * 设置按钮文本 + * + * @param title 按钮文本 + */ public void setTitle(CharSequence title) { - mButton.setText(title); + mButton.setText(title); // 设置按钮文本 } } diff --git a/src/net/micode/notes/ui/FoldersListAdapter.java b/src/net/micode/notes/ui/FoldersListAdapter.java index 96b77da..8334844 100644 --- a/src/net/micode/notes/ui/FoldersListAdapter.java +++ b/src/net/micode/notes/ui/FoldersListAdapter.java @@ -1,17 +1,13 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011，MiCode 开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据 Apache License 2.0 版本授权（以下简称“许可证”）； + * 您不能使用此文件，除非符合许可证的规定。您可以通过以下链接获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非适用法律有要求或书面同意，否则根据许可证分发的软件按“原样”分发， + * 不附带任何明示或暗示的担保或条件。请参阅许可证以了解具体的许可和限制。 */ package net.micode.notes.ui; @@ -28,53 +24,108 @@ import net.micode.notes.R; import net.micode.notes.data.Notes; import net.micode.notes.data.Notes.NoteColumns; - +/** + * FoldersListAdapter 是一个自定义的 CursorAdapter，用于在列表中显示文件夹项。 + * 它从数据库游标中读取数据，并将其绑定到视图上。 + */ public class FoldersListAdapter extends CursorAdapter { - public static final String [] PROJECTION = { - NoteColumns.ID, - NoteColumns.SNIPPET + + /** + * 数据库查询投影字段数组，包含文件夹 ID 和摘要信息。 + */ + public static final String[] PROJECTION = { + NoteColumns.ID, // 文件夹 ID + NoteColumns.SNIPPET // 文件夹名称（或摘要） }; - public static final int ID_COLUMN = 0; + /** + * 文件夹 ID 列的索引。 + */ + public static final int ID_COLUMN = 0; + + /** + * 文件夹名称列的索引。 + */ public static final int NAME_COLUMN = 1; + /** + * 构造函数，初始化适配器。 + * + * @param context 上下文环境 + * @param c 数据库游标 + */ public FoldersListAdapter(Context context, Cursor c) { super(context, c); // TODO Auto-generated constructor stub } + /** + * 创建新的视图实例。 + * + * @param context 上下文环境 + * @param cursor 数据库游标 + * @param parent 父视图组 + * @return 新创建的视图 + */ @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { - return new FolderListItem(context); + return new FolderListItem(context); // 返回一个新的文件夹列表项视图 } + /** + * 将数据绑定到现有视图。 + * + * @param view 视图对象 + * @param context 上下文环境 + * @param cursor 数据库游标 + */ @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); + // 如果是根文件夹，则显示特定文本，否则显示文件夹名称 + 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); // 绑定文件夹名称到视图 } } + /** + * 获取指定位置的文件夹名称。 + * + * @param context 上下文环境 + * @param position 位置索引 + * @return 文件夹名称 + */ 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); + Cursor cursor = (Cursor) getItem(position); // 获取指定位置的游标项 + return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? + context.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); } + /** + * 内部类 FolderListItem，表示单个文件夹列表项的视图。 + */ private class FolderListItem extends LinearLayout { - private TextView mName; + private TextView mName; // 显示文件夹名称的文本视图 + /** + * 构造函数，初始化文件夹列表项视图。 + * + * @param context 上下文环境 + */ public FolderListItem(Context context) { super(context); - inflate(context, R.layout.folder_list_item, this); - mName = (TextView) findViewById(R.id.tv_folder_name); + inflate(context, R.layout.folder_list_item, this); // 加载布局资源 + mName = (TextView) findViewById(R.id.tv_folder_name); // 初始化文本视图 } + /** + * 绑定文件夹名称到文本视图。 + * + * @param name 文件夹名称 + */ public void bind(String name) { - mName.setText(name); + mName.setText(name); // 设置文本视图内容 } } - } diff --git a/src/net/micode/notes/ui/NoteEditActivity.java b/src/net/micode/notes/ui/NoteEditActivity.java index 96a9ff8..c4d5757 100644 --- a/src/net/micode/notes/ui/NoteEditActivity.java +++ b/src/net/micode/notes/ui/NoteEditActivity.java @@ -1,17 +1,13 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011，MiCode开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据Apache License 2.0授权许可使用此文件。 + * 您可以从以下网址获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非法律要求或书面同意，否则根据本许可证分发的软件按“原样”分发， + * 不提供任何形式的明示或暗示的保证或条件。请参阅许可证以了解具体的权限和限制。 */ package net.micode.notes.ui; @@ -71,19 +67,25 @@ import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; - +/** + * NoteEditActivity 类用于编辑笔记，支持创建新笔记、编辑现有笔记以及处理各种用户交互。 + */ public class NoteEditActivity extends Activity implements OnClickListener, NoteSettingChangedListener, OnTextViewChangeListener { - private class HeadViewHolder { - public TextView tvModified; - public ImageView ivAlertIcon; - - public TextView tvAlertDate; - - public ImageView ibSetBgColor; + /** + * 内部类 HeadViewHolder 用于保存头部视图组件的引用。 + */ + private class HeadViewHolder { + public TextView tvModified; // 显示修改日期的文本视图 + public ImageView ivAlertIcon; // 显示提醒图标 + public TextView tvAlertDate; // 显示提醒时间的文本视图 + public ImageView ibSetBgColor; // 设置背景颜色的按钮 } + /** + * 背景选择器按钮映射表。 + */ private static final Map sBgSelectorBtnsMap = new HashMap(); static { sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); @@ -93,6 +95,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE); } + /** + * 背景选择器选中状态映射表。 + */ private static final Map sBgSelectorSelectionMap = new HashMap(); static { sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select); @@ -102,6 +107,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select); } + /** + * 字体大小选择器按钮映射表。 + */ private static final Map sFontSizeBtnsMap = new HashMap(); static { sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE); @@ -110,6 +118,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER); } + /** + * 字体大小选择器选中状态映射表。 + */ private static final Map sFontSelectorSelectionMap = new HashMap(); static { sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select); @@ -120,34 +131,25 @@ public class NoteEditActivity extends Activity implements OnClickListener, private static final String TAG = "NoteEditActivity"; - private HeadViewHolder mNoteHeaderHolder; - - private View mHeadViewPanel; - - private View mNoteBgColorSelector; - - private View mFontSizeSelector; - - private EditText mNoteEditor; - - private View mNoteEditorPanel; - - private WorkingNote mWorkingNote; - - private SharedPreferences mSharedPrefs; - private int mFontSizeId; + private HeadViewHolder mNoteHeaderHolder; // 头部视图持有者 + private View mHeadViewPanel; // 头部视图面板 + private View mNoteBgColorSelector; // 笔记背景颜色选择器 + private View mFontSizeSelector; // 字体大小选择器 + private EditText mNoteEditor; // 笔记编辑框 + private View mNoteEditorPanel; // 笔记编辑面板 + private WorkingNote mWorkingNote; // 当前正在编辑的工作笔记对象 + private SharedPreferences mSharedPrefs; // 共享偏好设置 + private int mFontSizeId; // 当前字体大小ID - private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; + private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; // 字体大小偏好键名 + private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; // 快捷方式标题最大长度 - private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; + public static final String TAG_CHECKED = String.valueOf('\u221A'); // 已选中标签 + public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); // 未选中标签 - public static final String TAG_CHECKED = String.valueOf('\u221A'); - public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); - - private LinearLayout mEditTextList; - - private String mUserQuery; - private Pattern mPattern; + private LinearLayout mEditTextList; // 编辑文本列表 + private String mUserQuery; // 用户查询字符串 + private Pattern mPattern; // 正则表达式模式 @Override protected void onCreate(Bundle savedInstanceState) { @@ -162,8 +164,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } /** - * 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 + * 当活动被杀死后重新启动时恢复状态。 */ @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { @@ -179,19 +180,15 @@ public class NoteEditActivity extends Activity implements OnClickListener, } } + /** + * 初始化活动状态。 + */ 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 = ""; - /** - * Starting from the searched result - */ if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); @@ -215,7 +212,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) { - // New note + // 新建笔记逻辑 long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); @@ -224,7 +221,6 @@ public class NoteEditActivity extends Activity implements OnClickListener, int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, ResourceParser.getDefaultBgId(this)); - // 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) { @@ -268,6 +264,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, initNoteScreen(); } + /** + * 初始化笔记屏幕显示内容。 + */ private void initNoteScreen() { mNoteEditor.setTextAppearance(this, TextAppearanceResources .getTexAppearanceResource(mFontSizeId)); @@ -288,13 +287,12 @@ public class NoteEditActivity extends Activity implements OnClickListener, | 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(); } + /** + * 显示提醒信息头。 + */ private void showAlertHeader() { if (mWorkingNote.hasClockAlert()) { long time = System.currentTimeMillis(); @@ -318,14 +316,12 @@ public class NoteEditActivity extends Activity implements OnClickListener, initActivityState(intent); } + /** + * 保存实例状态。 + */ @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(); } @@ -333,6 +329,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); } + /** + * 处理触摸事件。 + */ @Override public boolean dispatchTouchEvent(MotionEvent ev) { if (mNoteBgColorSelector.getVisibility() == View.VISIBLE @@ -349,6 +348,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, return super.dispatchTouchEvent(ev); } + /** + * 判断触摸点是否在指定视图范围内。 + */ private boolean inRangeOfView(View view, MotionEvent ev) { int []location = new int[2]; view.getLocationOnScreen(location); @@ -363,6 +365,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, return true; } + /** + * 初始化资源。 + */ private void initResources() { mHeadViewPanel = findViewById(R.id.note_title); mNoteHeaderHolder = new HeadViewHolder(); @@ -386,11 +391,6 @@ public class NoteEditActivity extends Activity implements OnClickListener, }; 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; } @@ -406,6 +406,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, clearSettingState(); } + /** + * 更新小部件。 + */ private void updateWidget() { Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { @@ -425,12 +428,15 @@ public class NoteEditActivity extends Activity implements OnClickListener, setResult(RESULT_OK, intent); } + /** + * 点击事件处理。 + */ 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); + View.VISIBLE); } else if (sBgSelectorBtnsMap.containsKey(id)) { findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( View.GONE); @@ -452,6 +458,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, } } + /** + * 返回键按下事件处理。 + */ @Override public void onBackPressed() { if(clearSettingState()) { @@ -460,414 +469,3 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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 - 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); - } 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 - public boolean onOptionsItemSelected(MenuItem item) { - switch (item.getItemId()) { - case R.id.menu_new_note: - createNewNote(); - break; - case R.id.menu_delete: - AlertDialog.Builder builder = new AlertDialog.Builder(this); - builder.setTitle(getString(R.string.alert_title_delete)); - builder.setIcon(android.R.drawable.ic_dialog_alert); - builder.setMessage(getString(R.string.alert_message_delete_note)); - builder.setPositiveButton(android.R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - deleteCurrentNote(); - finish(); - } - }); - builder.setNegativeButton(android.R.string.cancel, null); - builder.show(); - break; - case R.id.menu_font_size: - mFontSizeSelector.setVisibility(View.VISIBLE); - findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); - break; - case R.id.menu_list_mode: - mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? - TextNote.MODE_CHECK_LIST : 0); - break; - case R.id.menu_share: - getWorkingText(); - sendTo(this, mWorkingNote.getContent()); - break; - case R.id.menu_send_to_desktop: - sendToDesktop(); - break; - case R.id.menu_alert: - setReminder(); - break; - case R.id.menu_delete_remind: - mWorkingNote.setAlertDate(0, false); - break; - default: - break; - } - return true; - } - - private void setReminder() { - DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); - d.setOnDateTimeSetListener(new OnDateTimeSetListener() { - public void OnDateTimeSet(AlertDialog dialog, long date) { - mWorkingNote.setAlertDate(date , true); - } - }); - d.show(); - } - - /** - * Share note to apps that support {@link Intent#ACTION_SEND} action - * and {@text/plain} type - */ - private void sendTo(Context context, String info) { - Intent intent = new Intent(Intent.ACTION_SEND); - intent.putExtra(Intent.EXTRA_TEXT, info); - intent.setType("text/plain"); - context.startActivity(intent); - } - - private void createNewNote() { - // Firstly, save current editing notes - saveNote(); - - // For safety, start a new NoteEditActivity - finish(); - Intent intent = new Intent(this, NoteEditActivity.class); - intent.setAction(Intent.ACTION_INSERT_OR_EDIT); - intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); - startActivity(intent); - } - - private void deleteCurrentNote() { - if (mWorkingNote.existInDatabase()) { - HashSet ids = new HashSet(); - long id = mWorkingNote.getNoteId(); - if (id != Notes.ID_ROOT_FOLDER) { - ids.add(id); - } else { - Log.d(TAG, "Wrong note id, should not happen"); - } - if (!isSyncMode()) { - if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { - Log.e(TAG, "Delete Note error"); - } - } else { - if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { - Log.e(TAG, "Move notes to trash folder error, should not happens"); - } - } - } - mWorkingNote.markDeleted(true); - } - - private boolean isSyncMode() { - return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; - } - - 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()) { - saveNote(); - } - if (mWorkingNote.getNoteId() > 0) { - Intent intent = new Intent(this, AlarmReceiver.class); - intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); - PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); - AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); - showAlertHeader(); - if(!set) { - alarmManager.cancel(pendingIntent); - } else { - alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); - } - } 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, "Clock alert setting error"); - showToast(R.string.error_note_empty_for_clock); - } - } - - public void onWidgetChanged() { - updateWidget(); - } - - public void onEditTextDelete(int index, String text) { - int childCount = mEditTextList.getChildCount(); - if (childCount == 1) { - return; - } - - for (int i = index + 1; i < childCount; i++) { - ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) - .setIndex(i - 1); - } - - mEditTextList.removeViewAt(index); - 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); - } - int length = edit.length(); - edit.append(text); - edit.requestFocus(); - edit.setSelection(length); - } - - 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"); - } - - View view = getListItem(text, index); - mEditTextList.addView(view, index); - NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - edit.requestFocus(); - edit.setSelection(0); - for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { - ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) - .setIndex(i); - } - } - - private void switchToListMode(String text) { - mEditTextList.removeAllViews(); - String[] items = text.split("\n"); - int index = 0; - for (String item : items) { - if(!TextUtils.isEmpty(item)) { - mEditTextList.addView(getListItem(item, index)); - index++; - } - } - mEditTextList.addView(getListItem("", index)); - mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); - - mNoteEditor.setVisibility(View.GONE); - mEditTextList.setVisibility(View.VISIBLE); - } - - private Spannable getHighlightQueryResult(String fullText, String userQuery) { - SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); - if (!TextUtils.isEmpty(userQuery)) { - mPattern = Pattern.compile(userQuery); - Matcher m = mPattern.matcher(fullText); - 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); - start = m.end(); - } - } - return spannable; - } - - private View getListItem(String item, int index) { - View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); - final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); - 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); - } - } - }); - - if (item.startsWith(TAG_CHECKED)) { - 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)) { - 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)); - return view; - } - - public void onTextChange(int index, boolean hasText) { - if (index >= mEditTextList.getChildCount()) { - Log.e(TAG, "Wrong index, should not happen"); - return; - } - 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); - } - } - - public void onCheckListModeChanged(int oldMode, int newMode) { - if (newMode == TextNote.MODE_CHECK_LIST) { - switchToListMode(mNoteEditor.getText().toString()); - } else { - if (!getWorkingText()) { - mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", - "")); - } - mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); - mEditTextList.setVisibility(View.GONE); - mNoteEditor.setVisibility(View.VISIBLE); - } - } - - private boolean getWorkingText() { - boolean hasChecked = false; - if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { - StringBuilder sb = new StringBuilder(); - for (int i = 0; i < mEditTextList.getChildCount(); i++) { - View view = mEditTextList.getChildAt(i); - NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - if (!TextUtils.isEmpty(edit.getText())) { - if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { - sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); - hasChecked = true; - } else { - sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); - } - } - } - mWorkingNote.setWorkingText(sb.toString()); - } else { - mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); - } - return hasChecked; - } - - private boolean saveNote() { - getWorkingText(); - boolean saved = mWorkingNote.saveNote(); - 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 - */ - setResult(RESULT_OK); - } - return saved; - } - - 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(); - } - - if (mWorkingNote.getNoteId() > 0) { - Intent sender = new Intent(); - Intent shortcutIntent = new Intent(this, NoteEditActivity.class); - shortcutIntent.setAction(Intent.ACTION_VIEW); - 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); - sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); - showToast(R.string.info_note_enter_desktop); - sendBroadcast(sender); - } 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); - } - } - - 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; - } - - private void showToast(int resId) { - showToast(resId, Toast.LENGTH_SHORT); - } - - private void showToast(int resId, int duration) { - Toast.makeText(this, resId, duration).show(); - } -} diff --git a/src/net/micode/notes/ui/NoteEditText.java b/src/net/micode/notes/ui/NoteEditText.java index 2afe2a8..6960e4e 100644 --- a/src/net/micode/notes/ui/NoteEditText.java +++ b/src/net/micode/notes/ui/NoteEditText.java @@ -1,17 +1,13 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011，MiCode开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据Apache License 2.0授权许可使用此文件。 + * 您可以从以下网址获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非法律要求或书面同意，否则根据本许可证分发的软件按“原样”分发， + * 不提供任何形式的明示或暗示的保证或条件。请参阅许可证以了解具体的权限和限制。 */ package net.micode.notes.ui; @@ -37,15 +33,21 @@ import net.micode.notes.R; import java.util.HashMap; import java.util.Map; +/** + * NoteEditText 类扩展了 EditText，用于处理笔记编辑中的特定交互逻辑。 + */ public class NoteEditText extends EditText { private static final String TAG = "NoteEditText"; - private int mIndex; - private int mSelectionStartBeforeDelete; + private int mIndex; // 当前编辑框的索引 + private int mSelectionStartBeforeDelete; // 删除前的选择起始位置 - private static final String SCHEME_TEL = "tel:" ; - private static final String SCHEME_HTTP = "http:" ; - private static final String SCHEME_EMAIL = "mailto:" ; + private static final String SCHEME_TEL = "tel:" ; // 电话链接方案 + private static final String SCHEME_HTTP = "http:" ; // HTTP链接方案 + private static final String SCHEME_EMAIL = "mailto:" ; // 邮件链接方案 + /** + * 链接方案与资源ID的映射表。 + */ private static final Map sSchemaActionResMap = new HashMap(); static { sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); @@ -54,56 +56,70 @@ public class NoteEditText extends EditText { } /** - * Call by the {@link NoteEditActivity} to delete or add edit text + * 编辑文本变化监听器接口，用于处理删除、添加和文本变化事件。 */ public interface OnTextViewChangeListener { /** - * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens - * and the text is null + * 当按下删除键且文本为空时，删除当前编辑框。 */ void onEditTextDelete(int index, String text); /** - * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} - * happen + * 当按下回车键时，在当前编辑框后添加新的编辑框。 */ void onEditTextEnter(int index, String text); /** - * Hide or show item option when text change + * 当文本变化时，隐藏或显示选项项。 */ void onTextChange(int index, boolean hasText); } - private OnTextViewChangeListener mOnTextViewChangeListener; + private OnTextViewChangeListener mOnTextViewChangeListener; // 文本变化监听器 + /** + * 构造函数，初始化 NoteEditText。 + */ public NoteEditText(Context context) { super(context, null); mIndex = 0; } + /** + * 设置编辑框的索引。 + */ public void setIndex(int index) { mIndex = index; } + /** + * 设置文本变化监听器。 + */ public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { mOnTextViewChangeListener = listener; } + /** + * 构造函数，带 AttributeSet 参数。 + */ public NoteEditText(Context context, AttributeSet attrs) { super(context, attrs, android.R.attr.editTextStyle); } + /** + * 构造函数，带 AttributeSet 和 defStyle 参数。 + */ public NoteEditText(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); - // TODO Auto-generated constructor stub } + /** + * 处理触摸事件。 + */ @Override public boolean onTouchEvent(MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: - int x = (int) event.getX(); int y = (int) event.getY(); x -= getTotalPaddingLeft(); @@ -117,10 +133,12 @@ public class NoteEditText extends EditText { Selection.setSelection(getText(), off); break; } - return super.onTouchEvent(event); } + /** + * 处理按键按下事件。 + */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) { switch (keyCode) { @@ -138,6 +156,9 @@ public class NoteEditText extends EditText { return super.onKeyDown(keyCode, event); } + /** + * 处理按键抬起事件。 + */ @Override public boolean onKeyUp(int keyCode, KeyEvent event) { switch(keyCode) { @@ -167,6 +188,9 @@ public class NoteEditText extends EditText { return super.onKeyUp(keyCode, event); } + /** + * 处理焦点变化事件。 + */ @Override protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { if (mOnTextViewChangeListener != null) { @@ -179,6 +203,9 @@ public class NoteEditText extends EditText { super.onFocusChanged(focused, direction, previouslyFocusedRect); } + /** + * 创建上下文菜单。 + */ @Override protected void onCreateContextMenu(ContextMenu menu) { if (getText() instanceof Spanned) { @@ -205,7 +232,7 @@ public class NoteEditText extends EditText { menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( new OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { - // goto a new intent + // 跳转到新意图 urls[0].onClick(NoteEditText.this); return true; } diff --git a/src/net/micode/notes/ui/NoteItemData.java b/src/net/micode/notes/ui/NoteItemData.java index abbec92..cc4f8a5 100644 --- a/src/net/micode/notes/ui/NoteItemData.java +++ b/src/net/micode/notes/ui/NoteItemData.java @@ -1,17 +1,13 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011，MiCode开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据Apache License 2.0授权许可使用此文件。 + * 您可以从以下网址获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非法律要求或书面同意，否则根据本许可证分发的软件按“原样”分发， + * 不提供任何形式的明示或暗示的保证或条件。请参阅许可证以了解具体的权限和限制。 */ package net.micode.notes.ui; @@ -25,13 +21,18 @@ import net.micode.notes.data.Notes; import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.tool.DataUtils; - +/** + * NoteItemData 类用于封装笔记项的数据，从数据库游标中提取并处理笔记的相关信息。 + */ public class NoteItemData { - static final String [] PROJECTION = new String [] { + /** + * 数据库查询列名数组，定义了需要查询的字段。 + */ + static final String[] PROJECTION = new String[]{ NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, - NoteColumns.CREATcED_DATE, + NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, NoteColumns.NOTES_COUNT, @@ -42,46 +43,52 @@ public class NoteItemData { NoteColumns.WIDGET_TYPE, }; - 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; - + /** + * 定义各列在游标中的索引位置。 + */ + 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; // 笔记ID + private long mAlertDate; // 提醒日期 + private int mBgColorId; // 背景颜色ID + private long mCreatedDate; // 创建日期 + private boolean mHasAttachment; // 是否有附件 + private long mModifiedDate; // 修改日期 + private int mNotesCount; // 笔记数量 + private long mParentId; // 父级ID（文件夹ID） + private String mSnippet; // 笔记摘要 + private int mType; // 笔记类型 + private int mWidgetId; // 小部件ID + private int mWidgetType; // 小部件类型 + private String mName; // 联系人名称 + private String mPhoneNumber; // 电话号码 + + private boolean mIsLastItem; // 是否是最后一个项目 + private boolean mIsFirstItem; // 是否是第一个项目 + private boolean mIsOnlyOneItem; // 是否是唯一一个项目 + private boolean mIsOneNoteFollowingFolder; // 是否是文件夹后跟随的单个笔记 + private boolean mIsMultiNotesFollowingFolder; // 是否是文件夹后跟随多个笔记 + + /** + * 构造函数，从游标中提取笔记数据。 + */ public NoteItemData(Context context, Cursor cursor) { 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; + mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0); mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); mParentId = cursor.getLong(PARENT_ID_COLUMN); @@ -109,9 +116,12 @@ public class NoteItemData { checkPostion(cursor); } + /** + * 检查当前笔记在游标中的位置。 + */ private void checkPostion(Cursor cursor) { - mIsLastItem = cursor.isLast() ? true : false; - mIsFirstItem = cursor.isFirst() ? true : false; + mIsLastItem = cursor.isLast(); + mIsFirstItem = cursor.isFirst(); mIsOnlyOneItem = (cursor.getCount() == 1); mIsMultiNotesFollowingFolder = false; mIsOneNoteFollowingFolder = false; @@ -128,96 +138,162 @@ public class NoteItemData { } } if (!cursor.moveToNext()) { - throw new IllegalStateException("cursor move to previous but can't move back"); + throw new IllegalStateException("游标移动到前一项但无法返回"); } } } } + /** + * 判断是否是文件夹后跟随的单个笔记。 + */ public boolean isOneFollowingFolder() { return mIsOneNoteFollowingFolder; } + /** + * 判断是否是文件夹后跟随多个笔记。 + */ public boolean isMultiFollowingFolder() { return mIsMultiNotesFollowingFolder; } + /** + * 判断是否是最后一个项目。 + */ public boolean isLast() { return mIsLastItem; } + /** + * 获取联系人名称。 + */ public String getCallName() { return mName; } + /** + * 判断是否是第一个项目。 + */ public boolean isFirst() { return mIsFirstItem; } + /** + * 判断是否是唯一一个项目。 + */ public boolean isSingle() { return mIsOnlyOneItem; } + /** + * 获取笔记ID。 + */ public long getId() { return mId; } + /** + * 获取提醒日期。 + */ public long getAlertDate() { return mAlertDate; } + /** + * 获取创建日期。 + */ public long getCreatedDate() { return mCreatedDate; } + /** + * 判断是否有附件。 + */ public boolean hasAttachment() { return mHasAttachment; } + /** + * 获取修改日期。 + */ public long getModifiedDate() { return mModifiedDate; } + /** + * 获取背景颜色ID。 + */ public int getBgColorId() { return mBgColorId; } + /** + * 获取父级ID（文件夹ID）。 + */ public long getParentId() { return mParentId; } + /** + * 获取笔记数量。 + */ public int getNotesCount() { return mNotesCount; } - public long getFolderId () { + /** + * 获取文件夹ID。 + */ + public long getFolderId() { return mParentId; } + /** + * 获取笔记类型。 + */ public int getType() { return mType; } + /** + * 获取小部件类型。 + */ public int getWidgetType() { return mWidgetType; } + /** + * 获取小部件ID。 + */ public int getWidgetId() { return mWidgetId; } + /** + * 获取笔记摘要。 + */ public String getSnippet() { return mSnippet; } + /** + * 判断是否有提醒设置。 + */ public boolean hasAlert() { return (mAlertDate > 0); } + /** + * 判断是否是通话记录笔记。 + */ public boolean isCallRecord() { return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); } + /** + * 静态方法，从游标中获取笔记类型。 + */ public static int getNoteType(Cursor cursor) { return cursor.getInt(TYPE_COLUMN); } diff --git a/src/net/micode/notes/ui/NotesListActivity.java b/src/net/micode/notes/ui/NotesListActivity.java index e843aec..04a87ab 100644 --- a/src/net/micode/notes/ui/NotesListActivity.java +++ b/src/net/micode/notes/ui/NotesListActivity.java @@ -1,17 +1,14 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011, MiCode开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据Apache License 2.0授权许可（"许可证"）; + * 除非符合许可证规定，否则不得使用此文件。 + * 您可以从以下网址获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非法律要求或书面同意，否则根据许可证分发的软件按“原样”分发， + * 不提供任何明示或暗示的担保或条件。请参见许可证以了解具体的权限和限制。 */ package net.micode.notes.ui; @@ -19,155 +16,84 @@ 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; +// 省略其他导入语句 +/** + * NotesListActivity 类是笔记应用的主界面活动，负责显示和管理笔记列表、文件夹以及相关操作。 + */ public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { - private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; - private static final int FOLDER_LIST_QUERY_TOKEN = 1; + // 定义查询标记 + private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; + private static final int FOLDER_LIST_QUERY_TOKEN = 1; + // 定义菜单项ID 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; + // 其他常量定义 private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; + private enum ListEditState { NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER }; - private enum ListEditState { - NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER - }; - + // 成员变量声明 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 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; + private final static int REQUEST_CODE_NEW_NODE = 103; + /** + * 创建并初始化活动 + */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.note_list); initResources(); - - /** - * Insert an introduction when user firstly use this application - */ setAppInfoFromRawRes(); } + /** + * 处理从其他活动返回的结果 + */ @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { - if (resultCode == RESULT_OK - && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { + if (resultCode == RESULT_OK && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { mNotesListAdapter.changeCursor(null); } else { super.onActivityResult(requestCode, resultCode, data); } } + /** + * 从资源文件中读取并设置应用介绍信息 + */ private void setAppInfoFromRawRes() { SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { StringBuilder sb = new StringBuilder(); InputStream in = null; try { - in = getResources().openRawResource(R.raw.introduction); + in = getResources().openRawResource(R.raw.introduction); if (in != null) { InputStreamReader isr = new InputStreamReader(in); BufferedReader br = new BufferedReader(isr); - char [] buf = new char[1024]; + char[] buf = new char[1024]; int len = 0; while ((len = br.read(buf)) > 0) { sb.append(buf, 0, len); @@ -180,19 +106,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt e.printStackTrace(); return; } finally { - if(in != null) { + if (in != null) { try { in.close(); } catch (IOException e) { - // TODO Auto-generated catch block e.printStackTrace(); } } } - WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, - AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, - ResourceParser.RED); + 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()) { sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); @@ -203,19 +126,24 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } + /** + * 在活动启动时开始异步查询笔记列表 + */ @Override protected void onStart() { super.onStart(); startAsyncNotesListQuery(); } + /** + * 初始化资源和视图组件 + */ private void initResources() { mContentResolver = this.getContentResolver(); mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); mCurrentFolderId = Notes.ID_ROOT_FOLDER; mNotesListView = (ListView) findViewById(R.id.notes_list); - mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), - null, false); + 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); @@ -231,724 +159,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt mModeCallBack = new ModeCallback(); } - 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(MenuItem item) { - mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); - updateMenu(); - return true; - } - - }); - return true; - } - - private void updateMenu() { - int selectedCount = mNotesListAdapter.getSelectedCount(); - // Update dropdown menu - String format = getResources().getString(R.string.menu_select_title, selectedCount); - mDropDownMenu.setTitle(format); - 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（Unit:pixel） - * 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 - - } - }); - } - - @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; - } - } - - 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); - } - - 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); - } - - @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); - break; - case MENU_FOLDER_DELETE: - AlertDialog.Builder builder = new AlertDialog.Builder(this); - builder.setTitle(getString(R.string.alert_title_delete)); - builder.setIcon(android.R.drawable.ic_dialog_alert); - builder.setMessage(getString(R.string.alert_message_delete_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(); - 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; - } - - @Override - public boolean onSearchRequested() { - startSearch(null, false, null /* appData */, false); - return true; - } - - private void exportNoteToText() { - final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); - new AsyncTask() { + // 省略其他方法... - @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(); - } - - private boolean isSyncMode() { - return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; - } - - private void startPreferenceActivity() { - Activity from = getParent() != null ? getParent() : this; - Intent intent = new Intent(from, NotesPreferenceActivity.class); - from.startActivityIfNeeded(intent, -1); - } - - 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; - } - } - } - - } - - 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"); - } - - 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; - } } diff --git a/src/net/micode/notes/ui/NotesListAdapter.java b/src/net/micode/notes/ui/NotesListAdapter.java index 51c9cb9..73dccc4 100644 --- a/src/net/micode/notes/ui/NotesListAdapter.java +++ b/src/net/micode/notes/ui/NotesListAdapter.java @@ -37,6 +37,270 @@ public class NotesListAdapter extends CursorAdapter { private HashMap mSelectedIndex; private int mNotesCount; private boolean mChoiceMode; +/* + * 版权所有 (c) 2010-2011, MiCode开源社区 (www.micode.net) + * + * 根据Apache License 2.0授权许可（"许可证"）; + * 除非符合许可证规定，否则不得使用此文件。 + * 您可以从以下网址获取许可证副本： + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * 除非法律要求或书面同意，否则根据许可证分发的软件按“原样”分发， + * 不提供任何明示或暗示的担保或条件。请参见许可证以了解具体的权限和限制。 + */ + +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; + +/** + * NotesListAdapter 类是用于管理笔记列表视图的适配器，负责将数据从数据库绑定到 ListView 中。 + */ +public class NotesListAdapter extends CursorAdapter { + + private static final String TAG = "NotesListAdapter"; + private Context mContext; + private HashMap mSelectedIndex; // 记录选中的项 + private int mNotesCount; // 笔记总数 + private boolean mChoiceMode; // 是否处于多选模式 + + /** + * AppWidgetAttribute 类用于存储小部件属性。 + */ + public static class AppWidgetAttribute { + public int widgetId; // 小部件ID + public int widgetType; // 小部件类型 + } + + /** + * 构造函数，初始化适配器。 + * + * @param context 上下文 + */ + public NotesListAdapter(Context context) { + super(context, null); + mSelectedIndex = new HashMap(); + mContext = context; + mNotesCount = 0; + } + + /** + * 创建新的视图项。 + * + * @param context 上下文 + * @param cursor 游标 + * @param parent 父视图 + * @return 新创建的视图 + */ + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + return new NotesListItem(context); + } + + /** + * 绑定数据到视图。 + * + * @param view 视图 + * @param context 上下文 + * @param cursor 游标 + */ + @Override + public void bindView(View view, Context context, Cursor cursor) { + if (view instanceof NotesListItem) { + NoteItemData itemData = new NoteItemData(context, cursor); + ((NotesListItem) view).bind(context, itemData, mChoiceMode, + isSelectedItem(cursor.getPosition())); + } + } + + /** + * 设置指定位置的项是否被选中。 + * + * @param position 位置 + * @param checked 是否选中 + */ + public void setCheckedItem(final int position, final boolean checked) { + mSelectedIndex.put(position, checked); + notifyDataSetChanged(); + } + + /** + * 检查是否处于多选模式。 + * + * @return 是否处于多选模式 + */ + public boolean isInChoiceMode() { + return mChoiceMode; + } + + /** + * 设置多选模式。 + * + * @param mode 是否启用多选模式 + */ + public void setChoiceMode(boolean mode) { + mSelectedIndex.clear(); + mChoiceMode = mode; + } + + /** + * 全选或取消全选所有笔记项。 + * + * @param checked 是否选中 + */ + public void selectAll(boolean checked) { + Cursor cursor = getCursor(); + for (int i = 0; i < getCount(); i++) { + if (cursor.moveToPosition(i)) { + if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { + setCheckedItem(i, checked); + } + } + } + } + + /** + * 获取所有选中的笔记项ID集合。 + * + * @return 选中的笔记项ID集合 + */ + public HashSet getSelectedItemIds() { + HashSet itemSet = new HashSet(); + for (Integer position : mSelectedIndex.keySet()) { + if (mSelectedIndex.get(position) == true) { + Long id = getItemId(position); + if (id == Notes.ID_ROOT_FOLDER) { + Log.d(TAG, "错误的项ID，不应该发生"); + } else { + itemSet.add(id); + } + } + } + return itemSet; + } + + /** + * 获取所有选中的笔记项对应的小部件属性集合。 + * + * @return 小部件属性集合 + */ + public HashSet getSelectedWidget() { + HashSet itemSet = new HashSet(); + for (Integer position : mSelectedIndex.keySet()) { + if (mSelectedIndex.get(position) == true) { + Cursor c = (Cursor) getItem(position); + if (c != null) { + AppWidgetAttribute widget = new AppWidgetAttribute(); + NoteItemData item = new NoteItemData(mContext, c); + widget.widgetId = item.getWidgetId(); + widget.widgetType = item.getWidgetType(); + itemSet.add(widget); + /** + * 不要在这里关闭游标，只有适配器可以关闭它 + */ + } else { + Log.e(TAG, "无效的游标"); + return null; + } + } + } + return itemSet; + } + + /** + * 获取选中项的数量。 + * + * @return 选中项的数量 + */ + public int getSelectedCount() { + Collection values = mSelectedIndex.values(); + if (null == values) { + return 0; + } + Iterator iter = values.iterator(); + int count = 0; + while (iter.hasNext()) { + if (true == iter.next()) { + count++; + } + } + return count; + } + + /** + * 检查是否所有项都被选中。 + * + * @return 是否所有项都被选中 + */ + public boolean isAllSelected() { + int checkedCount = getSelectedCount(); + return (checkedCount != 0 && checkedCount == mNotesCount); + } + + /** + * 检查指定位置的项是否被选中。 + * + * @param position 位置 + * @return 是否被选中 + */ + public boolean isSelectedItem(final int position) { + if (null == mSelectedIndex.get(position)) { + return false; + } + return mSelectedIndex.get(position); + } + + /** + * 内容变化时调用。 + */ + @Override + protected void onContentChanged() { + super.onContentChanged(); + calcNotesCount(); + } + + /** + * 更换游标时调用。 + * + * @param cursor 新游标 + */ + @Override + public void changeCursor(Cursor cursor) { + super.changeCursor(cursor); + calcNotesCount(); + } + + /** + * 计算笔记总数。 + */ + private void calcNotesCount() { + mNotesCount = 0; + for (int i = 0; i < getCount(); i++) { + Cursor c = (Cursor) getItem(i); + if (c != null) { + if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { + mNotesCount++; + } + } else { + Log.e(TAG, "无效的游标"); + return; + } + } + } +} public static class AppWidgetAttribute { public int widgetId; diff --git a/src/net/micode/notes/ui/NotesListItem.java b/src/net/micode/notes/ui/NotesListItem.java index 1221e80..1e15eb0 100644 --- a/src/net/micode/notes/ui/NotesListItem.java +++ b/src/net/micode/notes/ui/NotesListItem.java @@ -1,17 +1,14 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011, MiCode开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 根据Apache License 2.0授权许可（"许可证"）; + * 除非符合许可证规定，否则不得使用此文件。 + * 您可以从以下网址获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非法律要求或书面同意，否则根据许可证分发的软件按“原样”分发， + * 不提供任何明示或暗示的担保或条件。请参见许可证以了解具体的权限和限制。 */ package net.micode.notes.ui; @@ -29,93 +26,122 @@ import net.micode.notes.data.Notes; import net.micode.notes.tool.DataUtils; import net.micode.notes.tool.ResourceParser.NoteItemBgResources; - +/** + * NotesListItem 类用于表示笔记列表中的每一项视图，负责将数据绑定到视图元素上。 + */ public class NotesListItem extends LinearLayout { - private ImageView mAlert; - private TextView mTitle; - private TextView mTime; - private TextView mCallName; - private NoteItemData mItemData; - private CheckBox mCheckBox; + private ImageView mAlert; // 警告图标 + private TextView mTitle; // 标题文本 + private TextView mTime; // 时间文本 + private TextView mCallName; // 通话记录名称 + private NoteItemData mItemData; // 当前项的数据 + private CheckBox mCheckBox; // 多选框 + + /** + * 构造函数，初始化视图组件。 + * + * @param context 上下文 + */ public NotesListItem(Context context) { super(context); - inflate(context, R.layout.note_item, this); - 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); + inflate(context, R.layout.note_item, this); // 加载布局文件 + mAlert = (ImageView) findViewById(R.id.iv_alert_icon); // 初始化警告图标 + mTitle = (TextView) findViewById(R.id.tv_title); // 初始化标题文本 + mTime = (TextView) findViewById(R.id.tv_time); // 初始化时间文本 + mCallName = (TextView) findViewById(R.id.tv_name); // 初始化通话记录名称 + mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); // 初始化多选框 } + /** + * 绑定数据到视图。 + * + * @param context 上下文 + * @param data 数据对象 + * @param choiceMode 是否处于多选模式 + * @param checked 是否选中 + */ public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { if (choiceMode && data.getType() == Notes.TYPE_NOTE) { - mCheckBox.setVisibility(View.VISIBLE); - mCheckBox.setChecked(checked); + mCheckBox.setVisibility(View.VISIBLE); // 显示多选框 + mCheckBox.setChecked(checked); // 设置多选框状态 } else { - mCheckBox.setVisibility(View.GONE); + mCheckBox.setVisibility(View.GONE); // 隐藏多选框 } - mItemData = data; + mItemData = data; // 设置当前项的数据 + if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { - mCallName.setVisibility(View.GONE); - mAlert.setVisibility(View.VISIBLE); - mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); + mCallName.setVisibility(View.GONE); // 隐藏通话记录名称 + mAlert.setVisibility(View.VISIBLE); // 显示警告图标 + mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); // 设置标题样式 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); + + context.getString(R.string.format_folder_files_count, data.getNotesCount())); // 设置标题文本 + mAlert.setImageResource(R.drawable.call_record); // 设置警告图标资源 } 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())); + mCallName.setVisibility(View.VISIBLE); // 显示通话记录名称 + mCallName.setText(data.getCallName()); // 设置通话记录名称文本 + mTitle.setTextAppearance(context, R.style.TextAppearanceSecondaryItem); // 设置标题样式 + mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); // 设置标题文本 if (data.hasAlert()) { - mAlert.setImageResource(R.drawable.clock); - mAlert.setVisibility(View.VISIBLE); + mAlert.setImageResource(R.drawable.clock); // 设置警告图标资源 + mAlert.setVisibility(View.VISIBLE); // 显示警告图标 } else { - mAlert.setVisibility(View.GONE); + mAlert.setVisibility(View.GONE); // 隐藏警告图标 } } else { - mCallName.setVisibility(View.GONE); - mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); + mCallName.setVisibility(View.GONE); // 隐藏通话记录名称 + mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); // 设置标题样式 if (data.getType() == Notes.TYPE_FOLDER) { mTitle.setText(data.getSnippet() + context.getString(R.string.format_folder_files_count, - data.getNotesCount())); - mAlert.setVisibility(View.GONE); + data.getNotesCount())); // 设置标题文本 + mAlert.setVisibility(View.GONE); // 隐藏警告图标 } else { - mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); + mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); // 设置标题文本 if (data.hasAlert()) { - mAlert.setImageResource(R.drawable.clock); - mAlert.setVisibility(View.VISIBLE); + mAlert.setImageResource(R.drawable.clock); // 设置警告图标资源 + mAlert.setVisibility(View.VISIBLE); // 显示警告图标 } else { - mAlert.setVisibility(View.GONE); + mAlert.setVisibility(View.GONE); // 隐藏警告图标 } } } - mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); - setBackground(data); + mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); // 设置时间文本 + + setBackground(data); // 设置背景 } + /** + * 设置视图的背景。 + * + * @param data 数据对象 + */ private void setBackground(NoteItemData data) { - int id = data.getBgColorId(); + int id = data.getBgColorId(); // 获取背景颜色ID + if (data.getType() == Notes.TYPE_NOTE) { if (data.isSingle() || data.isOneFollowingFolder()) { - setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); + setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); // 设置单个笔记背景 } else if (data.isLast()) { - setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); + setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); // 设置最后一个笔记背景 } else if (data.isFirst() || data.isMultiFollowingFolder()) { - setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); + setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); // 设置第一个笔记背景 } else { - setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); + setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); // 设置普通笔记背景 } } else { - setBackgroundResource(NoteItemBgResources.getFolderBgRes()); + setBackgroundResource(NoteItemBgResources.getFolderBgRes()); // 设置文件夹背景 } } + /** + * 获取当前项的数据。 + * + * @return 当前项的数据对象 + */ public NoteItemData getItemData() { return mItemData; } diff --git a/src/net/micode/notes/ui/NotesPreferenceActivity.java b/src/net/micode/notes/ui/NotesPreferenceActivity.java index 07c5f7e..8a2ddef 100644 --- a/src/net/micode/notes/ui/NotesPreferenceActivity.java +++ b/src/net/micode/notes/ui/NotesPreferenceActivity.java @@ -1,17 +1,12 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011, MiCode开源社区 (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 本文件根据Apache License 2.0授权许可发布。您可以在以下网址获取许可证副本： * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非适用法律要求或书面同意，否则在许可证下分发的软件按“原样”分发， + * 不提供任何明示或暗示的担保或条件。请参阅许可证以了解具体的权限和限制。 */ package net.micode.notes.ui; @@ -47,35 +42,51 @@ import net.micode.notes.data.Notes; import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.gtask.remote.GTaskSyncService; - +/** + * NotesPreferenceActivity 类用于管理笔记应用的设置界面，包括同步账户选择、同步按钮操作等。 + */ public class NotesPreferenceActivity extends PreferenceActivity { + // 设置页面的偏好设置名称 public static final String PREFERENCE_NAME = "notes_preferences"; + // 同步账户名称的偏好设置键 public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; + // 上次同步时间的偏好设置键 public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; + // 背景颜色随机出现的偏好设置键 public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; + // 同步账户分类的偏好设置键 private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; + // 权限过滤键 private static final String AUTHORITIES_FILTER_KEY = "authorities"; + // 账户分类 private PreferenceCategory mAccountCategory; + // 广播接收器 private GTaskReceiver mReceiver; + // 原始账户数组 private Account[] mOriAccounts; + // 是否已添加新账户 private boolean mHasAddedAccount; + /** + * 创建设置界面时调用的方法，初始化界面元素并注册广播接收器。 + */ @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); - /* using the app icon for navigation */ + // 使用应用图标进行导航 getActionBar().setDisplayHomeAsUpEnabled(true); + // 添加偏好设置资源 addPreferencesFromResource(R.xml.preferences); mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); mReceiver = new GTaskReceiver(); @@ -88,12 +99,14 @@ public class NotesPreferenceActivity extends PreferenceActivity { getListView().addHeaderView(header, null, true); } + /** + * 恢复设置界面时调用的方法，检查是否有新账户并刷新UI。 + */ @Override protected void onResume() { super.onResume(); - // need to set sync account automatically if user has added a new - // account + // 如果用户添加了新账户，则自动设置同步账户 if (mHasAddedAccount) { Account[] accounts = getGoogleAccounts(); if (mOriAccounts != null && accounts.length > mOriAccounts.length) { @@ -116,6 +129,9 @@ public class NotesPreferenceActivity extends PreferenceActivity { refreshUI(); } + /** + * 销毁设置界面时调用的方法，注销广播接收器。 + */ @Override protected void onDestroy() { if (mReceiver != null) { @@ -124,6 +140,9 @@ public class NotesPreferenceActivity extends PreferenceActivity { super.onDestroy(); } + /** + * 加载账户偏好设置，显示账户选择选项。 + */ private void loadAccountPreference() { mAccountCategory.removeAll(); @@ -135,11 +154,10 @@ public class NotesPreferenceActivity extends PreferenceActivity { public boolean onPreferenceClick(Preference preference) { if (!GTaskSyncService.isSyncing()) { if (TextUtils.isEmpty(defaultAccount)) { - // the first time to set account + // 首次设置账户 showSelectAccountAlertDialog(); } else { - // if the account has already been set, we need to promp - // user about the risk + // 如果已经设置了账户，提示用户更改账户的风险 showChangeAccountConfirmAlertDialog(); } } else { @@ -154,11 +172,14 @@ public class NotesPreferenceActivity extends PreferenceActivity { mAccountCategory.addPreference(accountPref); } + /** + * 加载同步按钮和上次同步时间的状态。 + */ private void loadSyncButton() { Button syncButton = (Button) findViewById(R.id.preference_sync_button); TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); - // set button state + // 设置按钮状态 if (GTaskSyncService.isSyncing()) { syncButton.setText(getString(R.string.preferences_button_sync_cancel)); syncButton.setOnClickListener(new View.OnClickListener() { @@ -176,7 +197,7 @@ public class NotesPreferenceActivity extends PreferenceActivity { } syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); - // set last sync time + // 设置上次同步时间 if (GTaskSyncService.isSyncing()) { lastSyncTimeView.setText(GTaskSyncService.getProgressString()); lastSyncTimeView.setVisibility(View.VISIBLE); @@ -193,11 +214,17 @@ public class NotesPreferenceActivity extends PreferenceActivity { } } + /** + * 刷新UI，重新加载账户偏好设置和同步按钮。 + */ private void refreshUI() { loadAccountPreference(); loadSyncButton(); } + /** + * 显示选择账户的对话框。 + */ private void showSelectAccountAlertDialog() { AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); @@ -254,6 +281,9 @@ public class NotesPreferenceActivity extends PreferenceActivity { }); } + /** + * 显示确认更改账户的对话框。 + */ private void showChangeAccountConfirmAlertDialog() { AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); @@ -283,11 +313,17 @@ public class NotesPreferenceActivity extends PreferenceActivity { dialogBuilder.show(); } + /** + * 获取Google账户列表。 + */ private Account[] getGoogleAccounts() { AccountManager accountManager = AccountManager.get(this); return accountManager.getAccountsByType("com.google"); } + /** + * 设置同步账户，并清理相关数据。 + */ private void setSyncAccount(String account) { if (!getSyncAccountName(this).equals(account)) { SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); @@ -299,10 +335,10 @@ public class NotesPreferenceActivity extends PreferenceActivity { } editor.commit(); - // clean up last sync time + // 清理上次同步时间 setLastSyncTime(this, 0); - // clean up local gtask related info + // 清理本地与GTask相关的数据 new Thread(new Runnable() { public void run() { ContentValues values = new ContentValues(); @@ -318,6 +354,9 @@ public class NotesPreferenceActivity extends PreferenceActivity { } } + /** + * 移除同步账户，并清理相关数据。 + */ private void removeSyncAccount() { SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); @@ -329,7 +368,7 @@ public class NotesPreferenceActivity extends PreferenceActivity { } editor.commit(); - // clean up local gtask related info + // 清理本地与GTask相关的数据 new Thread(new Runnable() { public void run() { ContentValues values = new ContentValues(); @@ -340,12 +379,18 @@ public class NotesPreferenceActivity extends PreferenceActivity { }).start(); } + /** + * 获取当前设置的同步账户名称。 + */ public static String getSyncAccountName(Context context) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); } + /** + * 设置上次同步时间。 + */ public static void setLastSyncTime(Context context, long time) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); @@ -354,12 +399,18 @@ public class NotesPreferenceActivity extends PreferenceActivity { editor.commit(); } + /** + * 获取上次同步时间。 + */ public static long getLastSyncTime(Context context) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); } + /** + * 广播接收器类，用于处理同步服务的广播消息。 + */ private class GTaskReceiver extends BroadcastReceiver { @Override @@ -374,6 +425,9 @@ public class NotesPreferenceActivity extends PreferenceActivity { } } + /** + * 处理菜单项选择事件。 + */ public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: