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ps249eph7 wants to merge 13 commits from xumingyang_branch into develop
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src/xiaomi/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
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@ -39,36 +39,77 @@ import net.micode.notes.tool.DataUtils;
import java.io.IOException; import java.io.IOException;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: AlarmAlertActivity
* @Description: AlarmAlertActivity类的作用是作为一个提醒警报的活动界面。
* 当便签的提醒功能触发时，系统会启动AlarmAlertActivity，显示提醒的详细内容和相关操作选项，
* 让用户可以对提醒进行处理，比如查看提醒内容、延迟提醒或者标记为已完成等操作。
* 这个类主要负责提醒相关的界面展示和用户交互逻辑。
* @Author: xumingyang
* @CreateDate: 2023-12-24 10:33
* @UpdateUser: 更新者：
* @UpdateDate: 2023-12-24 10:33
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
private long mNoteId; private long mNoteId; //文本在数据库存储中的ID号
private String mSnippet; private String mSnippet; //闹钟提示时出现的文本片段
private static final int SNIPPET_PREW_MAX_LEN = 60; private static final int SNIPPET_PREW_MAX_LEN = 60;
MediaPlayer mPlayer; MediaPlayer mPlayer;
/**
* @method onCreate
* @description :
* 初始化提醒界面的布局和逻辑。
* 设置窗口特性，请求不显示标题栏，并在锁屏状态下显示提醒界面。
* 获取传入该活动的Intent对象，并尝试从中获取便签的ID。
* 使用获取到的便签ID获取便签的摘要信息，并进行相应的处理。
* 创建一个MediaPlayer对象，用于播放提醒的声音。
* 检查该便签是否在便签数据库中可见。
* 如果便签可见，则显示操作对话框，并播放提醒音效。
* 如果便签不可见，则关闭该界面。
* @date: 2023-12-24 10:41
* @author: xumingyang
* @param
* @return
*/
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
//Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的
//onsaveInstanceState方法是用来保存Activity的状态的
//能从onCreate的参数savedInsanceState中获得状态数
requestWindowFeature(Window.FEATURE_NO_TITLE); requestWindowFeature(Window.FEATURE_NO_TITLE);
//界面显示——无标题
final Window win = getWindow(); final Window win = getWindow();
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
if (!isScreenOn()) { if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
//保持窗体点亮
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
//将窗体点亮
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
//允许窗体点亮时锁屏
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
} }//在手机锁屏后如果到了闹钟提示时间，点亮屏幕
Intent intent = getIntent(); Intent intent = getIntent();
try { try {
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
//根据ID从数据库中获取标签的内容；
//getContentResolver（）是实现数据共享，实例存储。
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet; : mSnippet;
//判断标签片段是否达到符合长度
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {
e.printStackTrace(); e.printStackTrace();
return; return;
@ -77,20 +118,41 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
mPlayer = new MediaPlayer(); mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
showActionDialog(); showActionDialog();
//弹出对话框
playAlarmSound(); playAlarmSound();
//闹钟提示音激发
} else { } else {
finish(); finish();
//完成闹钟动作
} }
} }
/**
* @method isScreenOn
* @description 判断屏幕是否锁屏，调用系统函数判断
* @date: 2023-12-24 10:45
* @author: xumingyang
* @param
* @return bool 类型
*/
private boolean isScreenOn() { private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn(); return pm.isScreenOn();
} }
/**
* @method playAlarmSound
* @description:
* 该段代码的作用是根据用户的设置，播放系统默认的闹钟铃声。
* 并且可以支持在静音模式下播放闹钟铃声
* @date: 2023-12-24 10:47
* @author: xumingyang
* @param
* @return
*/
private void playAlarmSound() { private void playAlarmSound() {
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
//调用系统的铃声管理URI，得到闹钟提示音
int silentModeStreams = Settings.System.getInt(getContentResolver(), int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
@ -101,12 +163,19 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
} }
try { try {
mPlayer.setDataSource(this, url); mPlayer.setDataSource(this, url);
//方法：setDataSource(Context context, Uri uri)
//解释：无返回值，设置多媒体数据来源【根据 Uri】
mPlayer.prepare(); mPlayer.prepare();
//准备同步
mPlayer.setLooping(true); mPlayer.setLooping(true);
//设置是否循环播放
mPlayer.start(); mPlayer.start();
//开始播放
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {
// TODO Auto-generated catch block // TODO Auto-generated catch block
e.printStackTrace(); e.printStackTrace();
//e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息
//System.out.println(e)，这个方法打印出异常，并且输出在哪里出现的异常
} catch (SecurityException e) { } catch (SecurityException e) {
// TODO Auto-generated catch block // TODO Auto-generated catch block
e.printStackTrace(); e.printStackTrace();
@ -119,39 +188,99 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
} }
} }
/**
* @method showActionDialog
* @description
* 创建一个AlertDialog.Builder对象，并设置对话框的标题为应用的名称（R.string.app_name）。
* 将对话框的消息内容设置为mSnippet变量所存储的文本信息。
* 设置对话框的积极按钮（Positive Button）的文本为“确定”（R.string.notealert_ok），并将当前类作为按钮的点击监听器。
* 如果屏幕处于开启状态（通过isScreenOn()方法判断），则设置对话框的消极按钮（Negative Button）的文本为“进入”（R.string.notealert_enter），并将当前类作为按钮的点击监听器。
* 调用dialog.show().setOnDismissListener(this)方法显示对话框，并设置当前类作为对话框消失时的监听器。
* @date: 2023-12-24 10:51
* @author: xumingyang
* @param
* @return
*/
private void showActionDialog() { private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this); AlertDialog.Builder dialog = new AlertDialog.Builder(this);
/*
* AlertDialog的构造方法全部是Protected的
* 所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
* 要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法
* 如这里的dialog就是新建了一个AlertDialog
*/
dialog.setTitle(R.string.app_name); dialog.setTitle(R.string.app_name);
//为对话框设置标题
dialog.setMessage(mSnippet); dialog.setMessage(mSnippet);
//为对话框设置内容
dialog.setPositiveButton(R.string.notealert_ok, this); dialog.setPositiveButton(R.string.notealert_ok, this);
//给对话框添加"Yes"按钮
if (isScreenOn()) { if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this); dialog.setNegativeButton(R.string.notealert_enter, this);
} }//对话框添加"No"按钮
dialog.show().setOnDismissListener(this); dialog.show().setOnDismissListener(this);
} }
/**
* @method onClick
* @description :
* 根据点击的按钮类型执行相应的操作，
* 如果点击的是对话框中的消极按钮，则打开一个新的便签编辑界面，并将当前笔记的id传递给该Activity。
* @date: 2023-12-24 10:55
* @author: xumingyang
* @param
* @return
*/
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
switch (which) { switch (which) {
//用which来选择click后下一步的操作
case DialogInterface.BUTTON_NEGATIVE: case DialogInterface.BUTTON_NEGATIVE:
//这是取消操作
Intent intent = new Intent(this, NoteEditActivity.class); Intent intent = new Intent(this, NoteEditActivity.class);
//实现两个类间的数据传输
intent.setAction(Intent.ACTION_VIEW); intent.setAction(Intent.ACTION_VIEW);
//设置动作属性
intent.putExtra(Intent.EXTRA_UID, mNoteId); intent.putExtra(Intent.EXTRA_UID, mNoteId);
//实现key-value对
//EXTRA_UID为key；mNoteId为键
startActivity(intent); startActivity(intent);
//开始动作
break; break;
default: default:
//这是确定操作'
break; break;
} }
} }
/**
* @method onDismiss
* @description 在闹钟提醒对话框消失时，停止闹钟铃声并结束当前Activity的生命周期。
* @date: 2023-12-24 10:57
* @author: xumingyang
* @param
* @return
*/
public void onDismiss(DialogInterface dialog) { public void onDismiss(DialogInterface dialog) {
stopAlarmSound(); stopAlarmSound();
//停止闹钟声音
finish(); finish();
//完成该动作
} }
/**
* @method stopAlarmSound
* @description 停止正在播放的闹钟声音，并释放相关的资源。
* @date: 2023-12-24 10:58
* @author: xumingyang
* @param
* @return
*/
private void stopAlarmSound() { private void stopAlarmSound() {
if (mPlayer != null) { if (mPlayer != null) {
mPlayer.stop(); mPlayer.stop();
//停止播放
mPlayer.release(); mPlayer.release();
//释放MediaPlayer对象
mPlayer = null; mPlayer = null;
} }
} }

40
src/xiaomi/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
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@ -27,6 +27,21 @@ import android.database.Cursor;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: AlarmInitReceiver
* @Description: AlarmInitReceiver类是小米便签应用中的一个广播接收器（BroadcastReceiver）
* 其作用是在设备启动时接收系统发送的广播，并执行一些初始化操作
* @Author: xumingyang
* @CreateDate: 2023-12-24 11:11
* @UpdateUser: 更新者：
* @UpdateDate: 2023-12-24 11:11
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class AlarmInitReceiver extends BroadcastReceiver { public class AlarmInitReceiver extends BroadcastReceiver {
@ -34,19 +49,35 @@ public class AlarmInitReceiver extends BroadcastReceiver {
NoteColumns.ID, NoteColumns.ID,
NoteColumns.ALERTED_DATE NoteColumns.ALERTED_DATE
}; };
//对数据库的操作，调用标签ID和闹钟时间
private static final int COLUMN_ID = 0; private static final int COLUMN_ID = 0;
private static final int COLUMN_ALERTED_DATE = 1; private static final int COLUMN_ALERTED_DATE = 1;
/**
* @method onReceive
* @description 是在设备启动后，通过查询数据库找到需要提醒的标签，并设置对应的闹钟。
* 这样，在设备启动完成后，小米便签应用可以重新加载标签的提醒功能，确保按时提醒用户。
* @date: 2023-12-24 11:26
* @author: xumingyang
* @param *Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签
* 从游标中获取提醒日期（alertDate）
* 创建一个新的Intent对象（sender），并指定目标广播接收器（AlarmReceiver）
* 创建PendingIntent：使用getBroadcast()方法创建一个用于启动广播的PendingIntent对象（pendingIntent）
* @return 查询结果将以Cursor对象（c）返回
*/
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
long currentDate = System.currentTimeMillis(); long currentDate = System.currentTimeMillis();
//System.currentTimeMillis()产生一个当前的毫秒
//这个毫秒其实就是自1970年1月1日0时起的毫秒数
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION, PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) }, new String[] { String.valueOf(currentDate) },
//将long变量currentDate转化为字符串
null); null);
//Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签
if (c != null) { if (c != null) {
if (c.moveToFirst()) { if (c.moveToFirst()) {
do { do {
@ -62,4 +93,9 @@ public class AlarmInitReceiver extends BroadcastReceiver {
c.close(); c.close();
} }
} }
/*
* 然而通过网上查找资料发现，对于闹钟机制的启动，通常需要上面的几个步骤
* 如新建Intent、PendingIntent以及AlarmManager等
* 这里就是根据数据库里的闹钟时间创建一个闹钟机制
*/
} }

26
src/xiaomi/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
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@ -20,11 +20,37 @@ import android.content.BroadcastReceiver;
import android.content.Context; import android.content.Context;
import android.content.Intent; import android.content.Intent;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: AlarmReceiver
* @Description: 通过AlarmReceiver类，可以实现小米便签的提醒功能，
* 让用户按时收到提醒并进行相应的操作。
* @Author: xumingyang
* @CreateDate: 2023-12-24 12:46
* @UpdateUser: 更新者：
* @UpdateDate: 2023-12-24 12:46
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
/**
* @method
* @description 段代码是用于在接收到广播时启动AlarmAlertActivity活动，并在新的任务栈中展示该活动
* @param *Context context和Intent intent，其中context表示上下文环境，intent表示接收到的广播意图。
* @return
*/
public class AlarmReceiver extends BroadcastReceiver { public class AlarmReceiver extends BroadcastReceiver {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
//重写了onReceive()方法，该方法在接收到广播时会被调用
intent.setClass(context, AlarmAlertActivity.class); intent.setClass(context, AlarmAlertActivity.class);
////启动AlarmAlertActivity
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
////activity要存在于activity的栈中，而非activity的途径启动activity时必然不存在一个activity的栈
//所以要新起一个栈装入启动的activity
context.startActivity(intent); context.startActivity(intent);
} }
} }

95
src/xiaomi/Notes-master/src/net/micode/notes/ui/DateTimePicker.java
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@ -28,8 +28,23 @@ import android.view.View;
import android.widget.FrameLayout; import android.widget.FrameLayout;
import android.widget.NumberPicker; import android.widget.NumberPicker;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: DateTimePicker
* @Description: 用于选择日期和时间的自定义视图，包括年、月、日、时、分等选择器。
* 它使用了NumberPicker控件来实现日期和时间的选择功能，并提供了一些回调接口以便在日期和时间改变时进行通知。
* @Author: xumingyang
* @CreateDate: 2023-12-24 12:58
* @UpdateUser: 更新者：
* @UpdateDate: 2023-12-24 12:58
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class DateTimePicker extends FrameLayout { public class DateTimePicker extends FrameLayout {
//FrameLayout是布局模板之一
//所有的子元素全部在屏幕的右上方
private static final boolean DEFAULT_ENABLE_STATE = true; private static final boolean DEFAULT_ENABLE_STATE = true;
private static final int HOURS_IN_HALF_DAY = 12; private static final int HOURS_IN_HALF_DAY = 12;
@ -45,13 +60,15 @@ public class DateTimePicker extends FrameLayout {
private static final int MINUT_SPINNER_MAX_VAL = 59; private static final int MINUT_SPINNER_MAX_VAL = 59;
private static final int AMPM_SPINNER_MIN_VAL = 0; private static final int AMPM_SPINNER_MIN_VAL = 0;
private static final int AMPM_SPINNER_MAX_VAL = 1; private static final int AMPM_SPINNER_MAX_VAL = 1;
//初始化控件
private final NumberPicker mDateSpinner; private final NumberPicker mDateSpinner;
private final NumberPicker mHourSpinner; private final NumberPicker mHourSpinner;
private final NumberPicker mMinuteSpinner; private final NumberPicker mMinuteSpinner;
private final NumberPicker mAmPmSpinner; private final NumberPicker mAmPmSpinner;
//NumberPicker是数字选择器
//这里定义的四个变量全部是在设置闹钟时需要选择的变量（如日期、时、分、上午或者下午）
private Calendar mDate; private Calendar mDate;
//定义了Calendar类型的变量mDate，用于操作时间
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK]; private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
private boolean mIsAm; private boolean mIsAm;
@ -72,8 +89,22 @@ public class DateTimePicker extends FrameLayout {
onDateTimeChanged(); onDateTimeChanged();
} }
}; };
//OnValueChangeListener，这是时间改变监听器，这里主要是对日期的监听
//将现在日期的值传递给mDate；updateDateControl是同步操作
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
//这里是对 小时（Hour） 的监听
/**
* @method onValueChange
* @description 这段代码是一个回调函数，用于监听NumberPicker的数值改变事件。
* 当用户改变了时间选择器中的小时数时，就会触发这个回调函数。
* 在函数中，首先判断当前选择器是否为24小时制，如果不是则需要处理上下午的切换和跨天的情况。
* @date: 2023-12-24 13:03
* @author: xumingyang
* @param *声明一个Calendar的变量cal，便于后续的操作
* @return isdateChanged bool类型 判断是否需要对时间进行调整
*/
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false; boolean isDateChanged = false;
@ -83,29 +114,33 @@ public class DateTimePicker extends FrameLayout {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1); cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true; isDateChanged = true;
//这里是对于12小时制时，晚上11点和12点交替时对日期的更改
} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1); cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true; isDateChanged = true;
} }//这里是对于12小时制时，晚上11点和12点交替时对日期的更改
if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY || if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
mIsAm = !mIsAm; mIsAm = !mIsAm;
updateAmPmControl(); updateAmPmControl();
} }//这里是对于12小时制时，中午11点和12点交替时对AM和PM的更改
} else { } else {
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1); cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true; isDateChanged = true;
//这里是对于24小时制时，晚上11点和12点交替时对日期的更改
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) { } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1); cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true; isDateChanged = true;
} }
} }//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY); int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
//通过数字选择器对newHour的赋值
mDate.set(Calendar.HOUR_OF_DAY, newHour); mDate.set(Calendar.HOUR_OF_DAY, newHour);
//通过set函数将新的Hour值传给mDate
onDateTimeChanged(); onDateTimeChanged();
if (isDateChanged) { if (isDateChanged) {
setCurrentYear(cal.get(Calendar.YEAR)); setCurrentYear(cal.get(Calendar.YEAR));
@ -116,16 +151,25 @@ public class DateTimePicker extends FrameLayout {
}; };
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
/**
* @method onValueChange
* @description 用于监控 NumberPicker（数字选择器）的数值变化事件。
* 具体来说，这个监听器是用于监听分钟选择器的数值变化。
* @param *三个参数：picker（当前的 NumberPicker 对象）、oldVal（旧值）和 newVal（新值）
*/
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
int minValue = mMinuteSpinner.getMinValue(); int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue(); int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0; int offset = 0;
//设置offset，作为小时改变的一个记录数据
if (oldVal == maxValue && newVal == minValue) { if (oldVal == maxValue && newVal == minValue) {
offset += 1; offset += 1;
} else if (oldVal == minValue && newVal == maxValue) { } else if (oldVal == minValue && newVal == maxValue) {
offset -= 1; offset -= 1;
} }
//如果原值为59，新值为0，则offset加1
//如果原值为0，新值为59，则offset减1
if (offset != 0) { if (offset != 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset); mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour()); mHourSpinner.setValue(getCurrentHour());
@ -145,9 +189,15 @@ public class DateTimePicker extends FrameLayout {
}; };
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
/**
* @method onValueChange
* @description 实现了一个监听器，用于监测用户对NumberPicker控件数值的改变，
* 并根据改变的数值来更新界面上的上午/下午控件
*/
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm; mIsAm = !mIsAm;
//对AM和PM的监听
if (mIsAm) { if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY); mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
} else { } else {
@ -166,18 +216,25 @@ public class DateTimePicker extends FrameLayout {
public DateTimePicker(Context context) { public DateTimePicker(Context context) {
this(context, System.currentTimeMillis()); this(context, System.currentTimeMillis());
} }
//通过对数据库的访问，获取当前的系统时间
public DateTimePicker(Context context, long date) { public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context)); this(context, date, DateFormat.is24HourFormat(context));
} }
//上面函数的得到的是一个天文数字（1970至今的秒数），需要DateFormat将其变得有意义
public DateTimePicker(Context context, long date, boolean is24HourView) { public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context); super(context);
//获取系统时间
mDate = Calendar.getInstance(); mDate = Calendar.getInstance();
mInitialising = true; mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this); inflate(context, R.layout.datetime_picker, this);
/*
* 如果当前Activity里用到别的layout，比如对话框layout
* 还要设置这个layout上的其他组件的内容，就必须用inflate()方法先将对话框的layout找出来
* 然后再用findViewById()找到它上面的其它组件
*/
mDateSpinner = (NumberPicker) findViewById(R.id.date); mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL); mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL); mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
@ -214,17 +271,28 @@ public class DateTimePicker extends FrameLayout {
mInitialising = false; mInitialising = false;
} }
/**
* @method setEnabled
* @description 这个函数用于统一设置控件及其相关子控件的可用状态，并且会根据传入的参数值进行相应的操作
* @param *布尔值 enabled，用于指定控件是否可用。
* @return 将 mIsEnabled 的值更新为传入的 enabled，以保持状态同步
*/
@Override @Override
public void setEnabled(boolean enabled) { public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) { if (mIsEnabled == enabled) {
return; return;
} }
/*
* 如果传入的参数 enabled 与当前的控件可用状态 mIsEnabled 相同，则无需进行任何操作，直接返回。
* 这样可以避免重复设置控件的可用状态。
*/
super.setEnabled(enabled); super.setEnabled(enabled);
mDateSpinner.setEnabled(enabled); mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled); mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled); mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled); mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled; mIsEnabled = enabled;
//将 mIsEnabled 的值更新为传入的 enabled，以保持状态同步
} }
@Override @Override
@ -239,7 +307,7 @@ public class DateTimePicker extends FrameLayout {
*/ */
public long getCurrentDateInTimeMillis() { public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis(); return mDate.getTimeInMillis();
} }//实现函数——得到当前的秒数
/** /**
* Set the current date * Set the current date
@ -251,7 +319,7 @@ public class DateTimePicker extends FrameLayout {
cal.setTimeInMillis(date); cal.setTimeInMillis(date);
setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 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)); cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
} }//实现函数功能——设置当前的时间，参数是date
/** /**
* Set the current date * Set the current date
@ -269,13 +337,14 @@ public class DateTimePicker extends FrameLayout {
setCurrentDay(dayOfMonth); setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay); setCurrentHour(hourOfDay);
setCurrentMinute(minute); setCurrentMinute(minute);
} }//实现函数功能——设置当前的时间，参数是各详细的变量
/** /**
* Get current year * Get current year
* *
* @return The current year * @return The current year
*/ */
//下面是得到year、month、day等值
public int getCurrentYear() { public int getCurrentYear() {
return mDate.get(Calendar.YEAR); return mDate.get(Calendar.YEAR);
} }
@ -446,7 +515,7 @@ public class DateTimePicker extends FrameLayout {
mDateSpinner.setDisplayedValues(mDateDisplayValues); mDateSpinner.setDisplayedValues(mDateDisplayValues);
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate(); mDateSpinner.invalidate();
} }// 对于星期几的算法
private void updateAmPmControl() { private void updateAmPmControl() {
if (mIs24HourView) { if (mIs24HourView) {
@ -456,7 +525,7 @@ public class DateTimePicker extends FrameLayout {
mAmPmSpinner.setValue(index); mAmPmSpinner.setValue(index);
mAmPmSpinner.setVisibility(View.VISIBLE); mAmPmSpinner.setVisibility(View.VISIBLE);
} }
} }// 对于上下午操作的算法
private void updateHourControl() { private void updateHourControl() {
if (mIs24HourView) { if (mIs24HourView) {
@ -466,7 +535,7 @@ public class DateTimePicker extends FrameLayout {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW); mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW); mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
} }
} }// 对与小时的算法
/** /**
* Set the callback that indicates the 'Set' button has been pressed. * Set the callback that indicates the 'Set' button has been pressed.

35
src/xiaomi/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
Unescape View File

@ -29,21 +29,43 @@ import android.content.DialogInterface.OnClickListener;
import android.text.format.DateFormat; import android.text.format.DateFormat;
import android.text.format.DateUtils; import android.text.format.DateUtils;
/**
*
* @ProjectName: DateTimePickerDialog
* @Package: net.micode.notes.ui
* @ClassName: DateTimePickerDialog
* @Description: DateTimePickerDialog 的作用是提供一个日期和时间选择器的对话框，用于让用户选择日期和时间。
* 该对话框通常用于设置便签的提醒时间或截止时间等功能，用户可以通过滚动选择器来选择特定的日期和时间。
* DateTimePickerDialog 提供了直观且方便的界面，使用户能够方便地选择所需的日期和时间。
* @Author: xumingyang
* @CreateDate: 2023-12-24 13:52
* @UpdateUser: 更新者：
* @UpdateDate: 2023-12-24 13:52
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class DateTimePickerDialog extends AlertDialog implements OnClickListener { public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
private Calendar mDate = Calendar.getInstance(); private Calendar mDate = Calendar.getInstance();
//创建一个Calendar类型的变量 mDate，方便时间的操作
private boolean mIs24HourView; private boolean mIs24HourView;
private OnDateTimeSetListener mOnDateTimeSetListener; private OnDateTimeSetListener mOnDateTimeSetListener;
//声明一个时间日期滚动选择控件 mOnDateTimeSetListener
private DateTimePicker mDateTimePicker; private DateTimePicker mDateTimePicker;
//DateTimePicker控件，控件一般用于让用户可以从日期列表中选择单个值。
//运行时，单击控件边上的下拉箭头，会显示为两个部分：一个下拉列表，一个用于选择日期的
public interface OnDateTimeSetListener { public interface OnDateTimeSetListener {
void OnDateTimeSet(AlertDialog dialog, long date); void OnDateTimeSet(AlertDialog dialog, long date);
} }
public DateTimePickerDialog(Context context, long date) { public DateTimePickerDialog(Context context, long date) {
//对该界面对话框的实例化
super(context); super(context);
//对数据库的操作
mDateTimePicker = new DateTimePicker(context); mDateTimePicker = new DateTimePicker(context);
setView(mDateTimePicker); setView(mDateTimePicker);
//添加一个子视图
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month, public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) { int dayOfMonth, int hourOfDay, int minute) {
@ -52,15 +74,21 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute); mDate.set(Calendar.MINUTE, minute);
//将视图中的各选项设置为系统当前时间
updateTitle(mDate.getTimeInMillis()); updateTitle(mDate.getTimeInMillis());
} }
}); });
mDate.setTimeInMillis(date); mDate.setTimeInMillis(date);
//得到系统时间
mDate.set(Calendar.SECOND, 0); mDate.set(Calendar.SECOND, 0);
//将秒数设置为0 对日期时间进行标准化处理
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
//将日期时间选择器设置为当前设置的日期时间。
setButton(context.getString(R.string.datetime_dialog_ok), this); setButton(context.getString(R.string.datetime_dialog_ok), this);
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
//设置按钮
set24HourView(DateFormat.is24HourFormat(this.getContext())); set24HourView(DateFormat.is24HourFormat(this.getContext()));
//时间标准化打印
updateTitle(mDate.getTimeInMillis()); updateTitle(mDate.getTimeInMillis());
} }
@ -70,7 +98,7 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack; mOnDateTimeSetListener = callBack;
} }//将时间日期滚动选择控件实例化
private void updateTitle(long date) { private void updateTitle(long date) {
int flag = int flag =
@ -79,12 +107,13 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
DateUtils.FORMAT_SHOW_TIME; DateUtils.FORMAT_SHOW_TIME;
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
} }//android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间
public void onClick(DialogInterface arg0, int arg1) { public void onClick(DialogInterface arg0, int arg1) {
if (mOnDateTimeSetListener != null) { if (mOnDateTimeSetListener != null) {
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
} }
} }//第一个参数arg0是接收到点击事件的对话框
//第二个参数arg1是该对话框上的按钮
} }

27
src/xiaomi/Notes-master/src/net/micode/notes/ui/DropdownMenu.java
Unescape View File

@ -27,17 +27,38 @@ import android.widget.PopupMenu.OnMenuItemClickListener;
import net.micode.notes.R; import net.micode.notes.R;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: DropdownMenu
* @Description: DropdownMenu是一个下拉菜单，它的作用是提供一种选择多个选项的方式。
* 当用户点击DropdownMenu时，会弹出一个下拉列表，列出了多个选项供用户选择。
* 1.笔记分类：用户可以使用DropdownMenu来选择笔记的分类，比如工作、生活、学习等，从而方便地将笔记进行分类管理。
* 2.笔记排序：用户可以使用DropdownMenu来选择笔记的排序方式，比如按时间、按标题等进行排序，以满足不同排序需求。
* 3.标签管理：用户可以使用DropdownMenu来选择或添加标签，以对笔记进行更细粒度的分类和标记。
* @Author: xumingyang
* @CreateDate: 2023-12-24 13:57
* @UpdateUser: 更新者：
* @UpdateDate: 2023-12-24 13:57
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class DropdownMenu { public class DropdownMenu {
private Button mButton; private Button mButton;
private PopupMenu mPopupMenu; private PopupMenu mPopupMenu;
//声明一个下拉菜单
private Menu mMenu; private Menu mMenu;
public DropdownMenu(Context context, Button button, int menuId) { public DropdownMenu(Context context, Button button, int menuId) {
mButton = button; mButton = button;
mButton.setBackgroundResource(R.drawable.dropdown_icon); mButton.setBackgroundResource(R.drawable.dropdown_icon);
//设置这个view的背景
mPopupMenu = new PopupMenu(context, mButton); mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu(); mMenu = mPopupMenu.getMenu();
mPopupMenu.getMenuInflater().inflate(menuId, mMenu); mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
//MenuInflater是用来实例化Menu目录下的Menu布局文件
//根据ID来确认menu的内容选项
mButton.setOnClickListener(new OnClickListener() { mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
mPopupMenu.show(); mPopupMenu.show();
@ -49,13 +70,13 @@ public class DropdownMenu {
if (mPopupMenu != null) { if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener); mPopupMenu.setOnMenuItemClickListener(listener);
} }
} }//设置菜单的监听
public MenuItem findItem(int id) { public MenuItem findItem(int id) {
return mMenu.findItem(id); return mMenu.findItem(id);
} }
//对于菜单选项的初始化，根据索引搜索菜单需要的选项
public void setTitle(CharSequence title) { public void setTitle(CharSequence title) {
mButton.setText(title); mButton.setText(title);
} }
} }//布局文件，设置标题

44
src/xiaomi/Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java
Unescape View File

@ -28,25 +28,54 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: FoldersListAdapter
* @Description: FoldersListAdapter 的作用是作为文件夹列表的适配器，用于管理和显示文件夹列表的数据和视图。
* @Author: xumingyang
* @CreateDate: 2023-12-24 14:05
* @UpdateUser: 更新者：
* @UpdateDate: 2023-12-24 14:05
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class FoldersListAdapter extends CursorAdapter { public class FoldersListAdapter extends CursorAdapter {
/*
* CursorAdapter是Cursor和ListView的接口
* FoldersListAdapter继承了CursorAdapter的类
* 主要作用是便签数据库和用户的交互
* 这里就是用folder（文件夹）的形式展现给用户
*/
public static final String [] PROJECTION = { public static final String [] PROJECTION = {
NoteColumns.ID, NoteColumns.ID,
NoteColumns.SNIPPET NoteColumns.SNIPPET
}; };//调用数据库中便签的ID和片段
public static final int ID_COLUMN = 0; public static final int ID_COLUMN = 0;
public static final int NAME_COLUMN = 1; public static final int NAME_COLUMN = 1;
/**
* @method FoldersListAdapter
* @description 用于初始化FoldersListAdapter类的实例。这个类可能是用于管理文件夹列表显示的适配器，其中包含了数据库操作相关的功能
* @param context 参数通常是指当前的上下文
* c 参数可能是一个用于查询数据库的Cursor对象。
*/
public FoldersListAdapter(Context context, Cursor c) { public FoldersListAdapter(Context context, Cursor c) {
super(context, c); super(context, c);
// TODO Auto-generated constructor stub // TODO Auto-generated constructor stub
} }//数据库操作
/**
* @method newView
* @description 用于创建新的视图用于显示文件夹列表项。
* @return 将该视图返回给适配器使用
*/
@Override @Override
public View newView(Context context, Cursor cursor, ViewGroup parent) { public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new FolderListItem(context); return new FolderListItem(context);
} }//创建一个文件夹，对于各文件夹中子标签的初始化
@Override @Override
public void bindView(View view, Context context, Cursor cursor) { public void bindView(View view, Context context, Cursor cursor) {
@ -55,20 +84,23 @@ public class FoldersListAdapter extends CursorAdapter {
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
((FolderListItem) view).bind(folderName); ((FolderListItem) view).bind(folderName);
} }
} }//将各个布局文件绑定起来
public String getFolderName(Context context, int position) { public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position); Cursor cursor = (Cursor) getItem(position);
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
} }//根据数据库中标签的ID得到标签的各项内容
private class FolderListItem extends LinearLayout { private class FolderListItem extends LinearLayout {
private TextView mName; private TextView mName;
public FolderListItem(Context context) { public FolderListItem(Context context) {
super(context); super(context);
//操作数据库
inflate(context, R.layout.folder_list_item, this); inflate(context, R.layout.folder_list_item, this);
//根据布局文件的名字等信息将其找出来
mName = (TextView) findViewById(R.id.tv_folder_name); mName = (TextView) findViewById(R.id.tv_folder_name);
} }

440
src/xiaomi/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
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110
src/xiaomi/Notes-master/src/net/micode/notes/ui/NoteEditText.java
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@ -37,6 +37,27 @@ import net.micode.notes.R;
import java.util.HashMap; import java.util.HashMap;
import java.util.Map; import java.util.Map;
/**
*
* @ProjectName: 小米便签代码标注
* @Package: net.micode.notes.ui
* @ClassName: NoteEditText
* @Description:
* 处理屏幕被按下的事件，并根据坐标更新光标位置。
* 处理用户按下一个键盘按键时会触发的删除事件，并记录光标位置。
* 处理用户松开一个键盘按键时会触发的删除和添加新文本事件，并利用OnTextViewChangeListener对文本修改进行监听。
* 处理焦点变化的事件，并利用OnTextViewChangeListener对文本修改进行监听。
* 生成上下文菜单，根据文本中的URLSpan创建菜单项并跳转到相应链接。
* @Author: 作者名 xumingyang
* @CreateDate: 2024-01-06 8:13
* @UpdateUser: 更新者：
* @UpdateDate: 2024-01-06 8:13
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
//继承edittext，设置便签设置文本框
public class NoteEditText extends EditText { public class NoteEditText extends EditText {
private static final String TAG = "NoteEditText"; private static final String TAG = "NoteEditText";
private int mIndex; private int mIndex;
@ -46,6 +67,7 @@ public class NoteEditText extends EditText {
private static final String SCHEME_HTTP = "http:" ; private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ; private static final String SCHEME_EMAIL = "mailto:" ;
//建立一个字符和整数的hash表，用于链接电话，网站，还有邮箱
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>(); private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static { static {
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@ -56,17 +78,20 @@ public class NoteEditText extends EditText {
/** /**
* Call by the {@link NoteEditActivity} to delete or add edit text * Call by the {@link NoteEditActivity} to delete or add edit text
*/ */
//在NoteEditActivity中删除或添加文本的操作，可以看做是一个文本是否被变的标记，英文注释已说明的很清楚
public interface OnTextViewChangeListener { public interface OnTextViewChangeListener {
/** /**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null * and the text is null
*/ */
//处理删除按键时的操作
void onEditTextDelete(int index, String text); void onEditTextDelete(int index, String text);
/** /**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen * happen
*/ */
//处理进入按键时的操作
void onEditTextEnter(int index, String text); void onEditTextEnter(int index, String text);
/** /**
@ -77,141 +102,206 @@ public class NoteEditText extends EditText {
private OnTextViewChangeListener mOnTextViewChangeListener; private OnTextViewChangeListener mOnTextViewChangeListener;
//根据context设置文本
public NoteEditText(Context context) { public NoteEditText(Context context) {
super(context, null); super(context, null);//用super引用父类变量
mIndex = 0; mIndex = 0;
} }
//设置当前光标
public void setIndex(int index) { public void setIndex(int index) {
mIndex = index; mIndex = index;
} }
//初始化文本修改标记
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener; mOnTextViewChangeListener = listener;
} }
//AttributeSet 百度了一下是自定义空控件属性，用于维护便签动态变化的属性
//初始化便签
public NoteEditText(Context context, AttributeSet attrs) { public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle); super(context, attrs, android.R.attr.editTextStyle);
} }
// 根据defstyle自动初始化
public NoteEditText(Context context, AttributeSet attrs, int defStyle) { public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle); super(context, attrs, defStyle);
// TODO Auto-generated constructor stub // TODO Auto-generated constructor stub
} }
/**
* @method onTouchEvent
* @description 在用户触摸屏幕时被调用，实现了根据用户点击的位置更新光标的位置，让用户更加方便地编辑文本。
* @param *参数event为手机屏幕触摸事件封装类的对象，其中封装了该事件的所有信息，
* 例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。
* @return 返回super.onTouchEvent(event)来处理其他的触摸事件
*/
@Override @Override
public boolean onTouchEvent(MotionEvent event) { public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) { switch (event.getAction()) {
//重写了需要处理屏幕被按下的事件
case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_DOWN:
//更新当前坐标值
int x = (int) event.getX(); int x = (int) event.getX();
int y = (int) event.getY(); int y = (int) event.getY();
x -= getTotalPaddingLeft(); x -= getTotalPaddingLeft();
y -= getTotalPaddingTop(); y -= getTotalPaddingTop();
x += getScrollX(); x += getScrollX();
y += getScrollY(); y += getScrollY();
//用布局控件layout根据x,y的新值设置新的位置
Layout layout = getLayout(); Layout layout = getLayout();
int line = layout.getLineForVertical(y); int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x); int off = layout.getOffsetForHorizontal(line, x);
Selection.setSelection(getText(), off); Selection.setSelection(getText(), off);
break; break;
} }
//更新光标新的位置
return super.onTouchEvent(event); return super.onTouchEvent(event);
} }
/**
* @method onKeyDown
* @description 处理用户按下一个键盘按键时会触发 的事件
* @param
* @return 返回super.onKeyDown(keyCode, event)来处理其他的按键事件
*/
@Override @Override
public boolean onKeyDown(int keyCode, KeyEvent event) { public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) { switch (keyCode) {
//根据按键的 Unicode 编码值来处理
case KeyEvent.KEYCODE_ENTER: case KeyEvent.KEYCODE_ENTER:
//“进入”按键
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
return false; return false;
//如果设置了则返回false，否则交给父类处理。
} }
break; break;
case KeyEvent.KEYCODE_DEL: case KeyEvent.KEYCODE_DEL:
//“删除”按键
mSelectionStartBeforeDelete = getSelectionStart(); mSelectionStartBeforeDelete = getSelectionStart();
break; //通过getSelectionStart()方法获取当前光标的位置，并记录下来 break;
default: default:
break; break;
} }
//继续执行父类的其他点击事件
return super.onKeyDown(keyCode, event); return super.onKeyDown(keyCode, event);
} }
/**
* @method onKeyUp
* @description 在用户释放一个键盘按键时被调用。它实现了处理删除和回车事件的功能，并触发相应的回调。
* @param keyCode 按键码 keyevent 按键对象
* @return 需要返回super.onKeyUp(keyCode, event)来处理其他的按键事件。
*/
@Override @Override
public boolean onKeyUp(int keyCode, KeyEvent event) { public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) { switch(keyCode) {
//根据按键的 Unicode 编码值来处理，有删除和进入2种操作
case KeyEvent.KEYCODE_DEL: case KeyEvent.KEYCODE_DEL:
//若是被修改过
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
//若之前有被修改并且文档不为空
if (0 == mSelectionStartBeforeDelete && mIndex != 0) { if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
//利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除
return true; return true;
} }
} else { } else {
Log.d(TAG, "OnTextViewChangeListener was not seted"); Log.d(TAG, "OnTextViewChangeListener was not seted");
//其他情况报错，文档的改动监听器并没有建立
} }
break; break;
case KeyEvent.KEYCODE_ENTER: case KeyEvent.KEYCODE_ENTER:
//同上也是分为监听器是否建立2种情况
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
int selectionStart = getSelectionStart(); int selectionStart = getSelectionStart();
//获取当前位置
String text = getText().subSequence(selectionStart, length()).toString(); String text = getText().subSequence(selectionStart, length()).toString();
//获取当前文本
setText(getText().subSequence(0, selectionStart)); setText(getText().subSequence(0, selectionStart));
//根据获取的文本设置当前文本
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text); mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
//当{@link KeyEvent#KEYCODE_ENTER}添加新文本
} else { } else {
Log.d(TAG, "OnTextViewChangeListener was not seted"); Log.d(TAG, "OnTextViewChangeListener was not seted");
//其他情况报错，文档的改动监听器并没有建立
} }
break; break;
default: default:
break; break;
} }
//继续执行父类的其他按键弹起的事件
return super.onKeyUp(keyCode, event); return super.onKeyUp(keyCode, event);
} }
/**
* @method onFocusChanged
* @description 在TextView获取或失去焦点时被调用。它实现了当TextView失去焦点且内容为空时，触发onTextChange()回调。
* @param * focused表示触发该事件的View是否获得了焦点，当该控件获得焦点时，Focused等于true，否则等于false。
* direction表示焦点移动的方向，用数值表示
* @return 表示在触发事件的View的坐标系中，前一个获得焦点的矩形区域，即表示焦点是从哪里来的。如果不可用则为null
*/
@Override @Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
//若监听器已经建立
if (!focused && TextUtils.isEmpty(getText())) { if (!focused && TextUtils.isEmpty(getText())) {
//获取到焦点并且文本不为空
mOnTextViewChangeListener.onTextChange(mIndex, false); mOnTextViewChangeListener.onTextChange(mIndex, false);
//mOnTextViewChangeListener子函数，置false隐藏事件选项
} else { } else {
mOnTextViewChangeListener.onTextChange(mIndex, true); mOnTextViewChangeListener.onTextChange(mIndex, true);
//mOnTextViewChangeListener子函数，置true显示事件选项
} }
} }
//继续执行父类的其他焦点变化的事件
super.onFocusChanged(focused, direction, previouslyFocusedRect); super.onFocusChanged(focused, direction, previouslyFocusedRect);
} }
/**
* @method onCreateContextMenu
* @description 创建上下文菜单（Context Menu）。它实现了在文本中存在URL链接时，在上下文菜单中添加相应的选项，并在点击选项时执行相应的操作。
*/
@Override @Override
protected void onCreateContextMenu(ContextMenu menu) { protected void onCreateContextMenu(ContextMenu menu) {
if (getText() instanceof Spanned) { if (getText() instanceof Spanned) {
//有文本存在
int selStart = getSelectionStart(); int selStart = getSelectionStart();
int selEnd = getSelectionEnd(); int selEnd = getSelectionEnd();
//获取文本开始和结尾位置
int min = Math.min(selStart, selEnd); int min = Math.min(selStart, selEnd);
int max = Math.max(selStart, selEnd); int max = Math.max(selStart, selEnd);
//获取开始到结尾的最大值和最小值
final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class); final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
//设置url的信息的范围值
if (urls.length == 1) { if (urls.length == 1) {
int defaultResId = 0; int defaultResId = 0;
for(String schema: sSchemaActionResMap.keySet()) { for(String schema: sSchemaActionResMap.keySet()) {
//获取计划表中所有的key值
if(urls[0].getURL().indexOf(schema) >= 0) { if(urls[0].getURL().indexOf(schema) >= 0) {
//若url可以添加则在添加后将defaultResId置为key所映射的值
defaultResId = sSchemaActionResMap.get(schema); defaultResId = sSchemaActionResMap.get(schema);
break; break;
} }
} }
if (defaultResId == 0) { if (defaultResId == 0) {
//defaultResId == 0则说明url并没有添加任何东西，所以置为连接其他SchemaActionResMap的值
defaultResId = R.string.note_link_other; defaultResId = R.string.note_link_other;
} }
//建立菜单
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
new OnMenuItemClickListener() { new OnMenuItemClickListener() {
//新建按键监听器
public boolean onMenuItemClick(MenuItem item) { public boolean onMenuItemClick(MenuItem item) {
// goto a new intent // goto a new intent
urls[0].onClick(NoteEditText.this); urls[0].onClick(NoteEditText.this);
//根据相应的文本设置菜单的按键
return true; return true;
} }
}); });
} }
} }
//继续执行父类的其他菜单创建的事件
super.onCreateContextMenu(menu); super.onCreateContextMenu(menu);
} }
} }

37
src/xiaomi/Notes-master/src/net/micode/notes/ui/NoteItemData.java
Unescape View File

@ -25,7 +25,20 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils; import net.micode.notes.tool.DataUtils;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: NoteItemData
* @Description: 这是一个便签应用中的一个数据类，用于存储和管理便签的相关信息。它包含了便签的各种属性和方法，
* 例如便签的ID、提醒日期、背景颜色、创建日期、是否有附件等等。
* @Author: xumingyang
* @CreateDate: 2024-01-06 8:46
* @UpdateUser: 更新者：
* @UpdateDate: 2024-01-06 8:46
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class NoteItemData { public class NoteItemData {
static final String [] PROJECTION = new String [] { static final String [] PROJECTION = new String [] {
NoteColumns.ID, NoteColumns.ID,
@ -42,6 +55,7 @@ public class NoteItemData {
NoteColumns.WIDGET_TYPE, NoteColumns.WIDGET_TYPE,
}; };
//常量标记和数据就不一一标记了，意义翻译基本就知道
private static final int ID_COLUMN = 0; private static final int ID_COLUMN = 0;
private static final int ALERTED_DATE_COLUMN = 1; private static final int ALERTED_DATE_COLUMN = 1;
private static final int BG_COLOR_ID_COLUMN = 2; private static final int BG_COLOR_ID_COLUMN = 2;
@ -76,7 +90,9 @@ public class NoteItemData {
private boolean mIsOneNoteFollowingFolder; private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder; private boolean mIsMultiNotesFollowingFolder;
//初始化NoteItemData，主要利用光标cursor获取的东西
public NoteItemData(Context context, Cursor cursor) { public NoteItemData(Context context, Cursor cursor) {
//getxxx为转换格式
mId = cursor.getLong(ID_COLUMN); mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
@ -91,7 +107,7 @@ public class NoteItemData {
mType = cursor.getInt(TYPE_COLUMN); mType = cursor.getInt(TYPE_COLUMN);
mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
//初始化电话号码的信息
mPhoneNumber = ""; mPhoneNumber = "";
if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
@ -109,31 +125,35 @@ public class NoteItemData {
checkPostion(cursor); checkPostion(cursor);
} }
///根据鼠标的位置设置标记，和位置
private void checkPostion(Cursor cursor) { private void checkPostion(Cursor cursor) {
//初始化几个标记
mIsLastItem = cursor.isLast() ? true : false; mIsLastItem = cursor.isLast() ? true : false;
mIsFirstItem = cursor.isFirst() ? true : false; mIsFirstItem = cursor.isFirst() ? true : false;
mIsOnlyOneItem = (cursor.getCount() == 1); mIsOnlyOneItem = (cursor.getCount() == 1);
//初始化“多重子文件”“单一子文件”2个标记
mIsMultiNotesFollowingFolder = false; mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false; mIsOneNoteFollowingFolder = false;
//主要是设置上述2标记
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素
int position = cursor.getPosition(); int position = cursor.getPosition();
if (cursor.moveToPrevious()) { if (cursor.moveToPrevious()) {//获取光标位置后看上一行
if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式
if (cursor.getCount() > (position + 1)) { if (cursor.getCount() > (position + 1)) {
mIsMultiNotesFollowingFolder = true; mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确
} else { } else {
mIsOneNoteFollowingFolder = true; mIsOneNoteFollowingFolder = true;
} }
} }
if (!cursor.moveToNext()) { if (!cursor.moveToNext()) {//若不能再往下走则报错
throw new IllegalStateException("cursor move to previous but can't move back"); throw new IllegalStateException("cursor move to previous but can't move back");
} }
} }
} }
} }
//以下都是获取标记
public boolean isOneFollowingFolder() { public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder; return mIsOneNoteFollowingFolder;
} }
@ -214,6 +234,7 @@ public class NoteItemData {
return (mAlertDate > 0); return (mAlertDate > 0);
} }
//若数据父id为保存至文件夹模式的id且满足电话号码单元不为空，则isCallRecord为true
public boolean isCallRecord() { public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
} }

357
src/xiaomi/Notes-master/src/net/micode/notes/ui/NotesListActivity.java
Unescape View File

@ -78,6 +78,19 @@ import java.io.InputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.util.HashSet; import java.util.HashSet;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: NotesListActivity
* @Description: 显示和管理便签列表的主要界面。
* @Author: xumingyang
* @CreateDate: 2024-01-09 11:02
* @UpdateUser: 更新者：
* @UpdateDate: 2024-01-09 11:02
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
@ -135,39 +148,66 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private final static int REQUEST_CODE_OPEN_NODE = 102; 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;
/**
* @method onCreate
* @description 用于初始化资源
*/
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
/*
需要是final类型 根据程序上下文环境，Java关键字final有“这是无法改变的”或者“终态的”含义，它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变：设计或效率。
final类不能被继承，没有子类，final类中的方法默认是final的。
final方法不能被子类的方法覆盖，但可以被继承。
final成员变量表示常量，只能被赋值一次，赋值后值不再改变。
final不能用于修饰构造方法。
*/
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
// 调用父类的onCreate函数
setContentView(R.layout.note_list); setContentView(R.layout.note_list);
//绑定视图
initResources(); initResources();
//调用初始化函数进行初始化 包括数据和视图的关联
/** /**
* Insert an introduction when user firstly use this application * Insert an introduction when user firstly use this application
*/ */
setAppInfoFromRawRes(); setAppInfoFromRawRes();
} }
/**
* @method onActivityResult
* @description 返回一些子模块完成的数据交给主Activity处理
*/
@Override @Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) { protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 结果值 和 要求值 符合要求
if (resultCode == RESULT_OK if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null); mNotesListAdapter.changeCursor(null);
} else { } else {
super.onActivityResult(requestCode, resultCode, data); super.onActivityResult(requestCode, resultCode, data);
// 调用 Activity 的onActivityResult（）
} }
} }
/**
* @method setAppInfoFromRawRes
* @description 用于从应用的原始资源文件中读取介绍内容，并将其保存为一个便签。
*/
private void setAppInfoFromRawRes() { private void setAppInfoFromRawRes() {
// Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
InputStream in = null; InputStream in = null;
try { try {
// 把资源文件放到应用程序的/raw/raw下，那么就可以在应用中使用getResources获取资源后,
// 以openRawResource方法（不带后缀的资源文件名）打开这个文件。
in = getResources().openRawResource(R.raw.introduction); in = getResources().openRawResource(R.raw.introduction);
if (in != null) { if (in != null) {
InputStreamReader isr = new InputStreamReader(in); InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr); BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024]; char [] buf = new char[1024]; // 自行定义的数值，使用者不知道有什么意义
int len = 0; int len = 0;
while ((len = br.read(buf)) > 0) { while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len); sb.append(buf, 0, len);
@ -180,7 +220,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
e.printStackTrace(); e.printStackTrace();
return; return;
} finally { } finally {
if(in != null) { if (in != null) {
try { try {
in.close(); in.close();
} catch (IOException e) { } catch (IOException e) {
@ -190,11 +230,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
// 创建空的WorkingNote
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED); ResourceParser.RED);
note.setWorkingText(sb.toString()); note.setWorkingText(sb.toString());
if (note.saveNote()) { if (note.saveNote()) {
// 更新保存note的信息
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
} else { } else {
Log.e(TAG, "Save introduction note error"); Log.e(TAG, "Save introduction note error");
@ -203,17 +245,30 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
/**
* @method onStart
* @description 启动时执行异步查询操作，以获取数据并在 UI 中显示结果。
*/
@Override @Override
protected void onStart() { protected void onStart() {
super.onStart(); super.onStart();
//调用父类的 onStart() 方法
startAsyncNotesListQuery(); startAsyncNotesListQuery();
} }
/**
* @method initResources
* @description 进行资源的初始化
*/
private void initResources() { private void initResources() {
mContentResolver = this.getContentResolver(); mContentResolver = this.getContentResolver();
// 获取应用程序的数据，得到类似数据表的东西
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mCurrentFolderId = Notes.ID_ROOT_FOLDER;
// findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名
mNotesListView = (ListView) findViewById(R.id.notes_list); mNotesListView = (ListView) findViewById(R.id.notes_list);
// 绑定XML中的ListView，作为Item的容器
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false); null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener()); mNotesListView.setOnItemClickListener(new OnListItemClickListener());
@ -221,6 +276,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mNotesListAdapter = new NotesListAdapter(this); mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter); mNotesListView.setAdapter(mNotesListAdapter);
mAddNewNote = (Button) findViewById(R.id.btn_new_note); mAddNewNote = (Button) findViewById(R.id.btn_new_note);
// 在activity中要获取该按钮
mAddNewNote.setOnClickListener(this); mAddNewNote.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
mDispatch = false; mDispatch = false;
@ -231,6 +287,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback(); mModeCallBack = new ModeCallback();
} }
// 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu; private DropdownMenu mDropDownMenu;
private ActionMode mActionMode; private ActionMode mActionMode;
@ -269,14 +326,22 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
/**
* @method updateMenu
* @description 新下拉菜单的内容。
* 根据已选择的项目数量和选择状态更新下拉菜单的标题和菜单项。它用于在用户选择项目时动态更新菜单的显示内容。
*/
private void updateMenu() { private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount(); int selectedCount = mNotesListAdapter.getSelectedCount();
//取已选择的项目数量。
// Update dropdown menu // Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount); String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format); //获取一个格式化的字符串，其中包含已选择的项目数量。然后，将该字符串设置为下拉菜单的标题
mDropDownMenu.setTitle(format); // 更改标题
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) { if (item != null) {
if (mNotesListAdapter.isAllSelected()) { if (mNotesListAdapter.isAllSelected()) {
//检查是否所有项目都被选择。
item.setChecked(true); item.setChecked(true);
item.setTitle(R.string.menu_deselect_all); item.setTitle(R.string.menu_deselect_all);
} else { } else {
@ -286,41 +351,74 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
/**
* @method onPrepareActionMode
* @description 进入操作模式时对菜单进行特定的修改或更新
* @return 方法直接返回 false，表示不需要进行任何额外的操作或更新。
*/
public boolean onPrepareActionMode(ActionMode mode, Menu menu) { public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
// TODO Auto-generated method stub // TODO Auto-generated method stub
return false; return false;
} }
/**
* @method onActionItemClicked
* @description 并用于处理操作模式菜单项的点击事件。
* @param mode 和 item 其中，mode 表示当前的操作模式对象，而 item 表示被点击的菜单项对象。
* @return 直接返回 false 表示菜单项的点击事件未被处理。 返回 true 表示已经处理了相应的菜单项点击事件。
*/
public boolean onActionItemClicked(ActionMode mode, MenuItem item) { public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
// TODO Auto-generated method stub // TODO Auto-generated method stub
return false; return false;
} }
/**
* @method onDestroyActionMode
* @description 它实现了 ActionMode.Callback 接口中的方法，并用于销毁操作模式。
*/
public void onDestroyActionMode(ActionMode mode) { public void onDestroyActionMode(ActionMode mode) {
mNotesListAdapter.setChoiceMode(false); mNotesListAdapter.setChoiceMode(false);
//取消列表的选择模式。
mNotesListView.setLongClickable(true); mNotesListView.setLongClickable(true);
//重新启用列表项的长按事件。
mAddNewNote.setVisibility(View.VISIBLE); mAddNewNote.setVisibility(View.VISIBLE);
//将新建笔记按钮设置为可见状态。
} }
//用于结束当前的操作模式。
public void finishActionMode() { public void finishActionMode() {
mActionMode.finish(); mActionMode.finish();
//在调用 finish() 方法之前，需要确保当前存在一个有效的操作模式对象 mActionMode。
// 如果当前不存在任何操作模式对象，则调用 finish() 方法将抛出异常。
} }
/**
* @method onItemCheckedStateChanged
* @description 它实现了 ActionMode.Callback 接口中的方法，并用于处理列表项的选中状态变化事件。
* @param mode 表示当前的操作模式对象，position 表示列表项的位置，id 表示列表项的唯一标识符，checked 表示列表项的选中状态。
*/
public void onItemCheckedStateChanged(ActionMode mode, int position, long id, public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) { boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked); mNotesListAdapter.setCheckedItem(position, checked);
//将列表项的选中状态传递给列表适配器，在适配器中更新相应的数据。
updateMenu(); updateMenu();
//根据当前选中的列表项的数量，更新操作模式的菜单项。
} }
/**
* @method onMenuItemClick
* @description 它实现了 MenuItem.OnMenuItemClickListener 接口中的方法，并用于处理操作模式菜单项的单击事件。
* @param *方法接收一个参数 item，表示被单击的菜单项。
*/
public boolean onMenuItemClick(MenuItem item) { public boolean onMenuItemClick(MenuItem item) {
if (mNotesListAdapter.getSelectedCount() == 0) { if (mNotesListAdapter.getSelectedCount() == 0) {
Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none), Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
Toast.LENGTH_SHORT).show(); Toast.LENGTH_SHORT).show();
return true; return true;
} }
//根据被单击的菜单项 ID，执行不同的操作。
switch (item.getItemId()) { int itemId = item.getItemId();
case R.id.delete: if (itemId == R.id.delete) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(getString(R.string.alert_title_delete)); builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setIcon(android.R.drawable.ic_dialog_alert);
@ -335,17 +433,21 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}); });
builder.setNegativeButton(android.R.string.cancel, null); builder.setNegativeButton(android.R.string.cancel, null);
builder.show(); builder.show();
break; } else if (itemId == R.id.move) {
case R.id.move:
startQueryDestinationFolders(); startQueryDestinationFolders();
break; } else {
default:
return false; return false;
//如果被单击的菜单项不是删除或移动菜单项，则返回 false
} }
return true; return true;
//如果成功处理了菜单项，则返回 true。
} }
} }
/**
* @method
* @description 实现了OnTouchListener接口。主要功能是处理触摸。
*/
private class NewNoteOnTouchListener implements OnTouchListener { private class NewNoteOnTouchListener implements OnTouchListener {
public boolean onTouch(View v, MotionEvent event) { public boolean onTouch(View v, MotionEvent event) {
@ -356,6 +458,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
int newNoteViewHeight = mAddNewNote.getHeight(); int newNoteViewHeight = mAddNewNote.getHeight();
int start = screenHeight - newNoteViewHeight; int start = screenHeight - newNoteViewHeight;
int eventY = start + (int) event.getY(); int eventY = start + (int) event.getY();
//首先获取屏幕高度和新笔记视图的高度，并计算出起始位置。如果当前状态是子文件夹状态，则还需减去标题栏的高度。
/** /**
* Minus TitleBar's height * Minus TitleBar's height
*/ */
@ -373,6 +476,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
* also change. This is very bad, just for the UI designer's strong requirement. * also change. This is very bad, just for the UI designer's strong requirement.
*/ */
if (event.getY() < (event.getX() * (-0.12) + 94)) { if (event.getY() < (event.getX() * (-0.12) + 94)) {
//通过判断触摸点的坐标是否在"New Note"按钮的透明部分上方，来决定是否将事件转发给位于按钮后面的列表视图。
View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1 View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
- mNotesListView.getFooterViewsCount()); - mNotesListView.getFooterViewsCount());
if (view != null && view.getBottom() > start if (view != null && view.getBottom() > start
@ -391,6 +495,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mDispatchY += (int) event.getY() - mOriginY; mDispatchY += (int) event.getY() - mOriginY;
event.setLocation(event.getX(), mDispatchY); event.setLocation(event.getX(), mDispatchY);
return mNotesListView.dispatchTouchEvent(event); return mNotesListView.dispatchTouchEvent(event);
//当动作为ACTION_MOVE（移动）时，如果之前已经开始转发事件，则更新转发的Y坐标，并将事件重新定位后转发给列表视图。
} }
break; break;
} }
@ -399,6 +504,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
event.setLocation(event.getX(), mDispatchY); event.setLocation(event.getX(), mDispatchY);
mDispatch = false; mDispatch = false;
return mNotesListView.dispatchTouchEvent(event); return mNotesListView.dispatchTouchEvent(event);
//如果没有进行事件转发，则返回false，表示本类未处理该事件。
} }
break; break;
} }
@ -408,13 +514,24 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}; };
/**
* @method startAsyncNotesListQuery
* @description 它通过异步查询数据库，获取指定文件夹下的笔记列表，并将结果显示在UI上。
* @param
* *FOLDER_NOTE_LIST_QUERY_TOKEN是一个常量值，用于标识该次查询（可以理解为查询ID）。
* 第二个参数为null，表示不需要传递额外的数据。
* 第三个参数是查询的URI，即Notes.CONTENT_NOTE_URI，表示查询笔记内容的URI。
* 第四个参数是查询需要返回的列名数组（NoteItemData.PROJECTION），用于指定查询结果中需要包含哪些列。
* 第五个参数是selection，表示查询时要使用的筛选条件。
* 最后一个参数是一个字符串数组，表示用于替换查询语句中占位符的值。
*/
private void startAsyncNotesListQuery() { private void startAsyncNotesListQuery() {
String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
: NORMAL_SELECTION; : NORMAL_SELECTION;
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
String.valueOf(mCurrentFolderId) String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); }, NoteColumns.TOP+" DESC,"+NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
} }
private final class BackgroundQueryHandler extends AsyncQueryHandler { private final class BackgroundQueryHandler extends AsyncQueryHandler {
@ -422,17 +539,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
super(contentResolver); super(contentResolver);
} }
/**
* @method onQueryComplete
* @description 用于处理异步查询完成后的回调。
* @param token 参数来判断当前是哪个查询完成了。根据不同的查询标识（token），执行相应的操作。
*/
@Override @Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) { protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
switch (token) { switch (token) {
case FOLDER_NOTE_LIST_QUERY_TOKEN: case FOLDER_NOTE_LIST_QUERY_TOKEN:
//表示文件夹笔记列表查询完成。
mNotesListAdapter.changeCursor(cursor); mNotesListAdapter.changeCursor(cursor);
//更新笔记列表的显示内容。
break; break;
case FOLDER_LIST_QUERY_TOKEN: case FOLDER_LIST_QUERY_TOKEN:
//表示文件夹列表查询完成。
if (cursor != null && cursor.getCount() > 0) { if (cursor != null && cursor.getCount() > 0) {
showFolderListMenu(cursor); showFolderListMenu(cursor);
//调用showFolderListMenu(cursor)方法，显示文件夹列表菜单。
} else { } else {
Log.e(TAG, "Query folder failed"); Log.e(TAG, "Query folder failed");
//在日志中记录查询文件夹失败的错误信息。
} }
break; break;
default: default:
@ -441,32 +568,48 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
/**
* @method showFolderListMenu
* @description 用于显示文件夹列表菜单。
*/
private void showFolderListMenu(Cursor cursor) { private void showFolderListMenu(Cursor cursor) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(R.string.menu_title_select_folder); builder.setTitle(R.string.menu_title_select_folder);
final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor); final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
builder.setAdapter(adapter, new DialogInterface.OnClickListener() { builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
//设置对话框的列表项和点击事件监听器。
//将适配器设置为对话框的列表项，并在点击列表项时执行相应的操作。
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
DataUtils.batchMoveToFolder(mContentResolver, DataUtils.batchMoveToFolder(mContentResolver,
mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which)); mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
Toast.makeText( Toast.makeText(
//显示一条消息，内容为移动的笔记数量和所选文件夹的名称。
NotesListActivity.this, NotesListActivity.this,
getString(R.string.format_move_notes_to_folder, getString(R.string.format_move_notes_to_folder,
mNotesListAdapter.getSelectedCount(), mNotesListAdapter.getSelectedCount(),
adapter.getFolderName(NotesListActivity.this, which)), adapter.getFolderName(NotesListActivity.this, which)),
Toast.LENGTH_SHORT).show(); Toast.LENGTH_SHORT).show();
mModeCallBack.finishActionMode(); mModeCallBack.finishActionMode();
//结束动作模式（Action Mode），即退出多选模式。
} }
}); });
builder.show(); builder.show();
//显示文件夹列表菜单对话框
} }
/**
* @method createNewNote
* @description 用于创建新的笔记
* @param * intent 来启动一个名为NoteEditActivity的活动，
* ACTION_INSERT_OR_EDIT表示要执行插入或编辑操作
* Notes.INTENT_EXTRA_FOLDER_ID则是传递当前文件夹的ID
*/
private void createNewNote() { private void createNewNote() {
Intent intent = new Intent(this, NoteEditActivity.class); Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT); intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId); intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE); this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
//通过startActivityForResult方法启动活动，并传递了一个请求码（REQUEST_CODE_NEW_NOTE），以便在活动返回结果时进行区分。
} }
private void batchDelete() { private void batchDelete() {
@ -506,16 +649,28 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute(); }.execute();
} }
/**
* @method deleteFolder
* @description 避免意外情况下删除根文件夹
* @date: 2024-01-09 14:54
* @author: 作者名
* @param folderId，表示要删除的文件夹的ID
* @return
*/
private void deleteFolder(long folderId) { private void deleteFolder(long folderId) {
if (folderId == Notes.ID_ROOT_FOLDER) { if (folderId == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Wrong folder id, should not happen " + folderId); Log.e(TAG, "Wrong folder id, should not happen " + folderId);
return; return;
//在方法内部，首先通过条件判断检查folderId是否等于Notes.ID_ROOT_FOLDER（根文件夹的ID）。
// 如果是根文件夹的ID，则记录错误日志并返回，不执行删除操作。
} }
HashSet<Long> ids = new HashSet<Long>(); HashSet<Long> ids = new HashSet<Long>();
ids.add(folderId); ids.add(folderId);
//创建一个HashSet<Long>对象，并将folderId添加到该集合中
HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver, HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver,
folderId); folderId);
//调用DataUtils.getFolderNoteWidget()方法获取与该文件夹相关联的小部件。将结果保存在widgets变量中。
if (!isSyncMode()) { if (!isSyncMode()) {
// if not synced, delete folder directly // if not synced, delete folder directly
DataUtils.batchDeleteNotes(mContentResolver, ids); DataUtils.batchDeleteNotes(mContentResolver, ids);
@ -528,11 +683,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) { && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
updateWidget(widget.widgetId, widget.widgetType); updateWidget(widget.widgetId, widget.widgetType);
//遍历widgets集合中的每个小部件，并根据小部件的ID和类型调用updateWidget()方法进行小部件的更新操作。
} }
} }
} }
} }
/**
* @method openNode
* @description 用于打开笔记。
*/
private void openNode(NoteItemData data) { private void openNode(NoteItemData data) {
Intent intent = new Intent(this, NoteEditActivity.class); Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW); intent.setAction(Intent.ACTION_VIEW);
@ -540,33 +700,45 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE); this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
} }
/**
* @method openFolder
* @description 打开指定的文件夹
* @param data，表示要打开的文件夹
* @return
*/
private void openFolder(NoteItemData data) { private void openFolder(NoteItemData data) {
mCurrentFolderId = data.getId(); mCurrentFolderId = data.getId();
//将当前文件夹的ID设置为参数data的ID，并调用startAsyncNotesListQuery()方法开始异步查询当前文件夹下的笔记列表。
startAsyncNotesListQuery(); startAsyncNotesListQuery();
//根据文件夹的ID判断当前状态：
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mState = ListEditState.CALL_RECORD_FOLDER; mState = ListEditState.CALL_RECORD_FOLDER;
mAddNewNote.setVisibility(View.GONE); mAddNewNote.setVisibility(View.GONE);
//如果文件夹的ID为Notes.ID_CALL_RECORD_FOLDER，则将状态设置为ListEditState.CALL_RECORD_FOLDER，并隐藏添加新笔记按钮；
} else { } else {
mState = ListEditState.SUB_FOLDER; mState = ListEditState.SUB_FOLDER;
//将状态设置为ListEditState.SUB_FOLDER。
} }
//根据文件夹的ID设置标题栏的文本：
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mTitleBar.setText(R.string.call_record_folder_name); mTitleBar.setText(R.string.call_record_folder_name);
//如果文件夹的ID为Notes.ID_CALL_RECORD_FOLDER，则设置标题栏的文本为字符串资源R.string.call_record_folder_name；
} else { } else {
mTitleBar.setText(data.getSnippet()); mTitleBar.setText(data.getSnippet());
//否则，设置标题栏的文本为文件夹的名称（通过调用data.getSnippet()方法获取）。
} }
mTitleBar.setVisibility(View.VISIBLE); mTitleBar.setVisibility(View.VISIBLE);
//将标题栏设置为可见状态。
} }
//当按钮控件的 id 为 btn_new_note 的按钮被点击时，该方法会调用 createNewNote() 方法。
public void onClick(View v) { public void onClick(View v) {
switch (v.getId()) { if (v.getId() == R.id.btn_new_note) {
case R.id.btn_new_note:
createNewNote(); createNewNote();
break;
default:
break;
} }
} }
//显示软键盘
private void showSoftInput() { private void showSoftInput() {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
if (inputMethodManager != null) { if (inputMethodManager != null) {
@ -574,19 +746,30 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
//隐藏软键盘
private void hideSoftInput(View view) { private void hideSoftInput(View view) {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0); inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
} }
/**
* @method showCreateOrModifyFolderDialog
* @description 用于创建或者是修改文件夹
* @param *接收一个参数create，用于指示是创建文件夹还是修改文件夹。
*/
private void showCreateOrModifyFolderDialog(final boolean create) { private void showCreateOrModifyFolderDialog(final boolean create) {
final AlertDialog.Builder builder = new AlertDialog.Builder(this); final AlertDialog.Builder builder = new AlertDialog.Builder(this);
View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null); View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
//在方法内部，首先创建一个AlertDialog.Builder对象，并通过LayoutInflater从XML布局文件中实例化一个视图。
final EditText etName = (EditText) view.findViewById(R.id.et_foler_name); final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
showSoftInput(); showSoftInput();
//获取EditText对象用于输入文件夹名称，并调用showSoftInput()方法显示软键盘。
//根据create参数的值，判断是创建文件夹还是修改文件夹。如果是修改文件夹，
if (!create) { if (!create) {
if (mFocusNoteDataItem != null) { if (mFocusNoteDataItem != null) {
etName.setText(mFocusNoteDataItem.getSnippet()); etName.setText(mFocusNoteDataItem.getSnippet());
// 从mFocusNoteDataItem中获取文件夹名称，并设置对话框的标题为对应的修改文件夹名称；
builder.setTitle(getString(R.string.menu_folder_change_name)); builder.setTitle(getString(R.string.menu_folder_change_name));
} else { } else {
Log.e(TAG, "The long click data item is null"); Log.e(TAG, "The long click data item is null");
@ -595,6 +778,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} else { } else {
etName.setText(""); etName.setText("");
builder.setTitle(this.getString(R.string.menu_create_folder)); builder.setTitle(this.getString(R.string.menu_create_folder));
// 如果是创建文件夹，则将EditText的文本设置为空，并设置对话框的标题为创建文件夹。
} }
builder.setPositiveButton(android.R.string.ok, null); builder.setPositiveButton(android.R.string.ok, null);
@ -624,7 +808,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
values.put(NoteColumns.LOCAL_MODIFIED, 1); values.put(NoteColumns.LOCAL_MODIFIED, 1);
mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ "=?", new String[] { + "=?", new String[] {
String.valueOf(mFocusNoteDataItem.getId()) String.valueOf(mFocusNoteDataItem.getId())//获取文件夹名称，并设置对话框的标题为对应的修改文件夹名称；
}); });
} }
} else if (!TextUtils.isEmpty(name)) { } else if (!TextUtils.isEmpty(name)) {
@ -664,15 +848,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}); });
} }
/**
* @method onBackPressed
* @description 用于处理用户按下返回按钮的操作
*/
@Override @Override
public void onBackPressed() { public void onBackPressed() {
switch (mState) { switch (mState) {
//通过switch语句检查当前的状态（mState）
case SUB_FOLDER: case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST; mState = ListEditState.NOTE_LIST;
startAsyncNotesListQuery(); startAsyncNotesListQuery();
mTitleBar.setVisibility(View.GONE); mTitleBar.setVisibility(View.GONE);
break; break;
/*
如果当前状态为SUB_FOLDER（子文件夹），
则将mCurrentFolderId设置为根文件夹的ID（Notes.ID_ROOT_FOLDER），
将状态设置为笔记列表状态（ListEditState.NOTE_LIST），
并调用startAsyncNotesListQuery()方法开始异步查询笔记列表。
同时，隐藏标题栏（mTitleBar.setVisibility(View.GONE)）
*/
case CALL_RECORD_FOLDER: case CALL_RECORD_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST; mState = ListEditState.NOTE_LIST;
@ -680,27 +876,42 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mTitleBar.setVisibility(View.GONE); mTitleBar.setVisibility(View.GONE);
startAsyncNotesListQuery(); startAsyncNotesListQuery();
break; break;
/*
如果当前状态为CALL_RECORD_FOLDER（通话记录文件夹），
则同样将mCurrentFolderId设置为根文件夹的ID，
将状态设置为笔记列表状态，显示添加新笔记按钮（mAddNewNote.setVisibility(View.VISIBLE)），
隐藏标题栏，并调用startAsyncNotesListQuery()方法开始异步查询笔记列表。
*/
case NOTE_LIST: case NOTE_LIST:
super.onBackPressed(); super.onBackPressed();
//调用父类的onBackPressed()方法，执行默认的返回操作。
break; break;
default: default:
break; break;
} }
} }
/**
* @method updateWidget
* @description 用于更新小部件（widget）
*/
private void updateWidget(int appWidgetId, int appWidgetType) { private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
//根据appWidgetType的不同值，设置不同的NoteWidgetProvider类作为接收广播的目标。
if (appWidgetType == Notes.TYPE_WIDGET_2X) { if (appWidgetType == Notes.TYPE_WIDGET_2X) {
intent.setClass(this, NoteWidgetProvider_2x.class); intent.setClass(this, NoteWidgetProvider_2x.class);
//设置NoteWidgetProvider_2x类作为目标；
} else if (appWidgetType == Notes.TYPE_WIDGET_4X) { } else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
intent.setClass(this, NoteWidgetProvider_4x.class); intent.setClass(this, NoteWidgetProvider_4x.class);
//则设置NoteWidgetProvider_4x类作为目标。
} else { } else {
Log.e(TAG, "Unspported widget type"); Log.e(TAG, "Unspported widget type");
//不匹配任何已知的类型，则记录一个错误日志并返回
return; return;
} }
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
appWidgetId appWidgetId//将appWidgetId作为额外参数放入意图中，并通过sendBroadcast方法发送广播。
}); });
sendBroadcast(intent); sendBroadcast(intent);
@ -718,17 +929,29 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
}; };
/**
* @method onContextMenuClosed
* @description 在上下文菜单关闭时调用的方法
*/
@Override @Override
public void onContextMenuClosed(Menu menu) { public void onContextMenuClosed(Menu menu) {
if (mNotesListView != null) { if (mNotesListView != null) {
mNotesListView.setOnCreateContextMenuListener(null); mNotesListView.setOnCreateContextMenuListener(null);
//然后通过调用 setOnCreateContextMenuListener(null) 方法将上下文菜单的创建监听器设置为 null，即移除了上下文菜单的创建监听器。
} }
super.onContextMenuClosed(menu); super.onContextMenuClosed(menu);
//调用 super.onContextMenuClosed(menu) 方法来执行父类的相应操作。
} }
/**
* @method onContextItemSelected
* @description 用于处理上下文菜单项的选择操作
* @return 返回true表示操作已经成功处理 如果为空，则记录错误日志并返回false
*/
@Override @Override
public boolean onContextItemSelected(MenuItem item) { public boolean onContextItemSelected(MenuItem item) {
if (mFocusNoteDataItem == null) { if (mFocusNoteDataItem == null) {
//通过检查mFocusNoteDataItem是否为空来确保当前长按操作的数据项不为空
Log.e(TAG, "The long click data item is null"); Log.e(TAG, "The long click data item is null");
return false; return false;
} }
@ -736,6 +959,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
case MENU_FOLDER_VIEW: case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem); openFolder(mFocusNoteDataItem);
break; break;
//如果用户选择了“查看文件夹”菜单项，则调用openFolder()方法打开该文件夹。
case MENU_FOLDER_DELETE: case MENU_FOLDER_DELETE:
AlertDialog.Builder builder = new AlertDialog.Builder(this); AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.alert_title_delete)); builder.setTitle(getString(R.string.alert_title_delete));
@ -750,9 +974,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.setNegativeButton(android.R.string.cancel, null); builder.setNegativeButton(android.R.string.cancel, null);
builder.show(); builder.show();
break; break;
//如果用户选择了“删除文件夹”菜单项，则弹出一个提示对话框，
// 并在用户确认删除操作后调用deleteFolder()方法执行相应的数据库操作。
case MENU_FOLDER_CHANGE_NAME: case MENU_FOLDER_CHANGE_NAME:
showCreateOrModifyFolderDialog(false); showCreateOrModifyFolderDialog(false);
break; break;
//如果用户选择了“重命名文件夹”菜单项，则调用showCreateOrModifyFolderDialog()方法显示创建或修改文件夹的对话框。
default: default:
break; break;
} }
@ -760,9 +987,18 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
/**
* @method onPrepareOptionsMenu
* @description 用于在菜单准备显示时进行处理的。
* 它会根据当前的状态（mState）来加载不同的菜单布局，并设置相应的标题。
* @return 方法返回true，表示菜单已经被处理完毕。
*/
@Override @Override
public boolean onPrepareOptionsMenu(Menu menu) { public boolean onPrepareOptionsMenu(Menu menu) {
menu.clear(); menu.clear();
//通过调用menu.clear()方法清除菜单中的所有项。
//根据mState的不同值，使用getMenuInflater().inflate()方法加载对应的菜单布局文件。
if (mState == ListEditState.NOTE_LIST) { if (mState == ListEditState.NOTE_LIST) {
getMenuInflater().inflate(R.menu.note_list, menu); getMenuInflater().inflate(R.menu.note_list, menu);
// set sync or sync_cancel // set sync or sync_cancel
@ -778,18 +1014,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
/**
* @method onOptionsItemSelected
* @description 每当用户选择菜单项时，Android 系统会调用该方法，并传入被选中的菜单项（MenuItem）。
*/
@Override @Override
public boolean onOptionsItemSelected(MenuItem item) { public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) { int itemId = item.getItemId();
case R.id.menu_new_folder: { //该方法首先获取被选中菜单项的ID，然后根据不同的ID执行相应的操作。
if (itemId == R.id.menu_new_folder) {
showCreateOrModifyFolderDialog(true); showCreateOrModifyFolderDialog(true);
break; } else if (itemId == R.id.menu_export_text) {
}
case R.id.menu_export_text: {
exportNoteToText(); exportNoteToText();
break; } else if (itemId == R.id.menu_sync) {
}
case R.id.menu_sync: {
if (isSyncMode()) { if (isSyncMode()) {
if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) { if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
GTaskSyncService.startSync(this); GTaskSyncService.startSync(this);
@ -799,31 +1036,37 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} else { } else {
startPreferenceActivity(); startPreferenceActivity();
} }
break; } else if (itemId == R.id.menu_setting) {
}
case R.id.menu_setting: {
startPreferenceActivity(); startPreferenceActivity();
break; } else if (itemId == R.id.menu_new_note) {
}
case R.id.menu_new_note: {
createNewNote(); createNewNote();
break; } else if (itemId == R.id.menu_search) {
}
case R.id.menu_search:
onSearchRequested(); onSearchRequested();
break;
default:
break;
} }
return true; return true;
/*
* 如果选中的菜单项是R.id.menu_new_folder，则调用showCreateOrModifyFolderDialog(true)方法，显示创建或修改文件夹的对话框。
* 如果选中的菜单项是R.id.menu_export_text，则调用exportNoteToText()方法，将笔记导出为文本。
* 如果选中的菜单项是R.id.menu_sync，则根据当前是否处于同步模式（isSyncMode()）分别启动或取消同步服务（GTaskSyncService）或打开设置活动（startPreferenceActivity）。
* 如果选中的菜单项是R.id.menu_setting，则打开设置活动（startPreferenceActivity）。
* 如果选中的菜单项是R.id.menu_new_note，则创建新的笔记（createNewNote）。
* 如果选中的菜单项是R.id.menu_search，则执行搜索请求（onSearchRequested）。
*/
} }
/**
* @method onSearchRequested
* @description nSearchRequested方法是一个覆盖方法，用于在用户点击搜索按钮或者执行搜索手势时被调用。
* @param *搜索关键字（null表示没有指定关键字），
* 是否全局搜索（false表示只搜索当前应用程序），
* 应用程序数据（null表示没有额外的应用程序数据），
* 以及是否由用户触发的搜索（false表示不是由用户触发）。
*/
@Override @Override
public boolean onSearchRequested() { public boolean onSearchRequested() {
startSearch(null, false, null /* appData */, false); startSearch(null, false, null /* appData */, false);
return true; return true;
} }
private void exportNoteToText() { private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() { new AsyncTask<Void, Void, Integer>() {
@ -866,13 +1109,22 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute(); }.execute();
} }
//用于检查是否处于同步模式
private boolean isSyncMode() { private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
} }
/**
* @method startPreferenceActivity
* @description 用于启动应用程序的“偏好设置”屏幕
* @param
* @return
*/
private void startPreferenceActivity() { private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this; Activity from = getParent() != null ? getParent() : this;
//通过检查父活动是否存在来确定从哪个活动中启动偏好设置屏幕。
Intent intent = new Intent(from, NotesPreferenceActivity.class); Intent intent = new Intent(from, NotesPreferenceActivity.class);
//创建一个新的意图（Intent）对象，并将其目标设置为NotesPreferenceActivity类。
from.startActivityIfNeeded(intent, -1); from.startActivityIfNeeded(intent, -1);
} }
@ -917,6 +1169,18 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
/**
* @method startQueryDestinationFolders
* @description 用于开始查询目标文件夹列表。
* @param
* *FOLDER_LIST_QUERY_TOKEN：查询令牌，用于标识此次查询。
* null：附加到查询令牌的对象，这里为null。
* Notes.CONTENT_NOTE_URI：要查询的URI，表示笔记内容。
* FoldersListAdapter.PROJECTION：要返回的数据列数组。
* selection：查询的条件字符串。
* new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER), String.valueOf(mCurrentFolderId) }：查询条件中的参数值。
* NoteColumns.MODIFIED_DATE + " DESC"：查询结果按照修改日期降序排列。
*/
private void startQueryDestinationFolders() { private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
selection = (mState == ListEditState.NOTE_LIST) ? selection: selection = (mState == ListEditState.NOTE_LIST) ? selection:
@ -935,20 +1199,31 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
NoteColumns.MODIFIED_DATE + " DESC"); NoteColumns.MODIFIED_DATE + " DESC");
} }
/**
* @method onItemLongClick
* @description 用于处理列表项的长按事件
* @return 返回false表示事件未被消耗，以便继续处理其他可能的事件。
*/
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) { if (view instanceof NotesListItem) {
//通过检查view是否是NotesListItem的实例来确定长按的列表项类型。
mFocusNoteDataItem = ((NotesListItem) view).getItemData(); mFocusNoteDataItem = ((NotesListItem) view).getItemData();
if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) { if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
if (mNotesListView.startActionMode(mModeCallBack) != null) { if (mNotesListView.startActionMode(mModeCallBack) != null) {
mModeCallBack.onItemCheckedStateChanged(null, position, id, true); mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
//调用mModeCallBack.onItemCheckedStateChanged()方法更新选择状态。
mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
//调用mNotesListView.performHapticFeedback()方法进行触觉反馈，表示长按操作已触发。
} else { } else {
Log.e(TAG, "startActionMode fails"); Log.e(TAG, "startActionMode fails");
} }
} else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) { } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener); mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
//如果数据项的类型为文件夹类型(Notes.TYPE_FOLDER)，则设置列表视图的上下文菜单创建监听器(mFolderOnCreateContextMenuListener)。
} }
} }
return false; return false;
//返回false表示事件未被消耗，以便继续处理其他可能的事件。
} }
} }

110
src/xiaomi/Notes-master/src/net/micode/notes/ui/NotesListAdapter.java
Unescape View File

@ -30,56 +30,110 @@ import java.util.HashMap;
import java.util.HashSet; import java.util.HashSet;
import java.util.Iterator; import java.util.Iterator;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: NotesListAdapter
* @Description: 扩展了CursorAdapter类，用于显示笔记列表。
* 该适配器具有选择模式，允许用户选择多个项目，并处理所选项目的响应。
* 它还提供了一些实用方法，例如获取所选项目的ID和小部件属性等。
* @Author: xumingyang
* @CreateDate: 2024-01-07 23:46
* @UpdateUser: 更新者：
* @UpdateDate: 2024-01-07 23:46
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class NotesListAdapter extends CursorAdapter { public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter"; private static final String TAG = "NotesListAdapter";
private Context mContext; private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex; private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount; private int mNotesCount;//便签数
private boolean mChoiceMode; private boolean mChoiceMode;//选择模式标记
//桌面widget的属性，包括编号和类型
public static class AppWidgetAttribute { public static class AppWidgetAttribute {
public int widgetId; public int widgetId;
public int widgetType; public int widgetType;
}; };
/**
* @method NotesListAdapter
* @description 初始化便签链接器
*/
public NotesListAdapter(Context context) { public NotesListAdapter(Context context) {
super(context, null); super(context, null);//父类对象置空
mSelectedIndex = new HashMap<Integer, Boolean>(); mSelectedIndex = new HashMap<Integer, Boolean>();//新建选项下标的hash表
mContext = context; mContext = context;
mNotesCount = 0; mNotesCount = 0;
} }
/**
* @method newView
* @description 新建一个视图来存储光标所指向的数据
* return 返回一个新的项目选项
*/
@Override @Override
public View newView(Context context, Cursor cursor, ViewGroup parent) { public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context); return new NotesListItem(context);
//使用兄弟类NotesListItem新建一个项目选项
} }
/**
* @method bindView
* @description 将已经存在的视图和鼠标指向的数据进行捆绑
*/
@Override @Override
public void bindView(View view, Context context, Cursor cursor) { public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) { if (view instanceof NotesListItem) {
//若view是NotesListItem的一个实例
NoteItemData itemData = new NoteItemData(context, cursor); NoteItemData itemData = new NoteItemData(context, cursor);
((NotesListItem) view).bind(context, itemData, mChoiceMode, ((NotesListItem) view).bind(context, itemData, mChoiceMode,
isSelectedItem(cursor.getPosition())); isSelectedItem(cursor.getPosition()));
//则新建一个项目选项并且用bind跟将view和鼠标，内容，便签数据捆绑在一起
} }
} }
/**
* @method setCheckedItem
* @description 设置勾选框
*/
public void setCheckedItem(final int position, final boolean checked) { public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked); mSelectedIndex.put(position, checked);
//根据定位和是否勾选设置下标
notifyDataSetChanged(); notifyDataSetChanged();
//在修改后刷新activity
} }
//判断单选按钮是否勾选
public boolean isInChoiceMode() { public boolean isInChoiceMode() {
return mChoiceMode; return mChoiceMode;
} }
/**
* @method setChoiceMode
* @description 设置单项选项框
*/
public void setChoiceMode(boolean mode) { public void setChoiceMode(boolean mode) {
mSelectedIndex.clear(); mSelectedIndex.clear();
//重置下标并且根据参数mode设置选项
mChoiceMode = mode; mChoiceMode = mode;
} }
/*
* 函数功能：选择全部选项
* 函数实现：如下注释
*/
/**
* @method selectAll
* @description 选择全部选项
* @param *cursor游标对象
*/
public void selectAll(boolean checked) { public void selectAll(boolean checked) {
Cursor cursor = getCursor(); Cursor cursor = getCursor();
//获取光标位置
for (int i = 0; i < getCount(); i++) { for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) { if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
@ -87,30 +141,49 @@ public class NotesListAdapter extends CursorAdapter {
} }
} }
} }
//遍历所有光标可用的位置在判断为便签类型之后勾选单项框
} }
/**
* @method getSelectedItemIds
* @description 建立选择项的下标列表
* @param *hashset hash表
* @return 返回一个itemSet 下标列表
*/
public HashSet<Long> getSelectedItemIds() { public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>(); HashSet<Long> itemSet = new HashSet<Long>();
//建立hash表
for (Integer position : mSelectedIndex.keySet()) { for (Integer position : mSelectedIndex.keySet()) {
//遍历所有的关键
if (mSelectedIndex.get(position) == true) { if (mSelectedIndex.get(position) == true) {
//若光标位置可用
Long id = getItemId(position); Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) { if (id == Notes.ID_ROOT_FOLDER) {
//原文件不需要添加
Log.d(TAG, "Wrong item id, should not happen"); Log.d(TAG, "Wrong item id, should not happen");
} else { } else {
itemSet.add(id); itemSet.add(id);
} }
//则将id该下标假如选项集合中
} }
} }
return itemSet; return itemSet;
} }
/**
* @method getSelectedWidget
* @description 建立桌面Widget的选项表
* @param *hashset hash表
* @return 返回一个itemSet 桌面Widget选项表
*/
public HashSet<AppWidgetAttribute> getSelectedWidget() { public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>(); HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) { for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) { if (mSelectedIndex.get(position) == true) {
Cursor c = (Cursor) getItem(position); Cursor c = (Cursor) getItem(position);
//以上4句和getSelectedItemIds一样，不再重复
if (c != null) { if (c != null) {
//光标位置可用的话就建立新的Widget属性并编辑下标和类型，最后添加到选项集中
AppWidgetAttribute widget = new AppWidgetAttribute(); AppWidgetAttribute widget = new AppWidgetAttribute();
NoteItemData item = new NoteItemData(mContext, c); NoteItemData item = new NoteItemData(mContext, c);
widget.widgetId = item.getWidgetId(); widget.widgetId = item.getWidgetId();
@ -128,57 +201,80 @@ public class NotesListAdapter extends CursorAdapter {
return itemSet; return itemSet;
} }
/**
* @method getSelectedCount
* @description 统计选项的个数
* @return 返回count 表示选项的个数
*/
public int getSelectedCount() { public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values(); Collection<Boolean> values = mSelectedIndex.values();
//首先获取选项下标的值
if (null == values) { if (null == values) {
return 0; return 0;
} }
Iterator<Boolean> iter = values.iterator(); Iterator<Boolean> iter = values.iterator();
//初始化叠加器
int count = 0; int count = 0;
while (iter.hasNext()) { while (iter.hasNext()) {
if (true == iter.next()) { if (true == iter.next()) {
//若value值为真计数+1
count++; count++;
} }
} }
return count; return count;
} }
//函数功能：判断是否全部选中
public boolean isAllSelected() { public boolean isAllSelected() {
int checkedCount = getSelectedCount(); int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount); return (checkedCount != 0 && checkedCount == mNotesCount);
//获取选项数看是否等于便签的个数
} }
//函数功能：判断是否为选项表
public boolean isSelectedItem(final int position) { public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) { if (null == mSelectedIndex.get(position)) {
return false; return false;
} }
return mSelectedIndex.get(position); return mSelectedIndex.get(position);
} }//通过传递的下标来确定
@Override @Override
//函数功能：在activity内容发生局部变动的时候回调该函数计算便签的数量
protected void onContentChanged() { protected void onContentChanged() {
super.onContentChanged(); super.onContentChanged();
//执行基类函数
calcNotesCount(); calcNotesCount();
} }
@Override @Override
//函数功能：在activity光标发生局部变动的时候回调该函数计算便签的数量
public void changeCursor(Cursor cursor) { public void changeCursor(Cursor cursor) {
super.changeCursor(cursor); super.changeCursor(cursor);
//执行基类函数
calcNotesCount(); calcNotesCount();
} }
//函数功能：计算便签数量
private void calcNotesCount() { private void calcNotesCount() {
mNotesCount = 0; mNotesCount = 0;
for (int i = 0; i < getCount(); i++) { for (int i = 0; i < getCount(); i++) {
//获取总数同时遍历
Cursor c = (Cursor) getItem(i); Cursor c = (Cursor) getItem(i);
if (c != null) { if (c != null) {
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++; mNotesCount++;
//若该位置不为空并且文本类型为便签就+1
} }
} else { } else {
Log.e(TAG, "Invalid cursor"); Log.e(TAG, "Invalid cursor");
return; return;
} }
//否则报错
} }
} }
} }

53
src/xiaomi/Notes-master/src/net/micode/notes/ui/NotesListItem.java
Unescape View File

@ -1,19 +1,3 @@
/*
* 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.
*/
package net.micode.notes.ui; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -30,37 +14,52 @@ import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources; import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
//创建便签列表项目选项
public class NotesListItem extends LinearLayout { public class NotesListItem extends LinearLayout {
private ImageView mAlert; private ImageView mAlert;
//闹钟图片
private TextView mTitle; private TextView mTitle;
//标题
private TextView mTime; private TextView mTime;
//时间
private TextView mCallName; private TextView mCallName;
private NoteItemData mItemData; private NoteItemData mItemData;
//标签数据
private CheckBox mCheckBox; private CheckBox mCheckBox;
//打钩框
/*初始化基本信息*/
public NotesListItem(Context context) { public NotesListItem(Context context) {
super(context); super(context);
//super()它的主要作用是调整调用父类构造函数的顺序
inflate(context, R.layout.note_item, this); inflate(context, R.layout.note_item, this);
//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout
//findViewById用于从contentView中查找指定ID的View，转换出来的形式根据需要而定;
mAlert = (ImageView) findViewById(R.id.iv_alert_icon); mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title); mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time); mTime = (TextView) findViewById(R.id.tv_time);
mCallName = (TextView) findViewById(R.id.tv_name); mCallName = (TextView) findViewById(R.id.tv_name);
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
} }
///根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
if (choiceMode && data.getType() == Notes.TYPE_NOTE) { if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE); mCheckBox.setVisibility(View.VISIBLE);
//设置可见行为可见
mCheckBox.setChecked(checked); mCheckBox.setChecked(checked);
//格子打钩
} else { } else {
mCheckBox.setVisibility(View.GONE); mCheckBox.setVisibility(View.GONE);
} }
mItemData = data; mItemData = data;
//设置控件属性，一共三种情况，由data的id和父id是否与保存到文件夹的id一致来决定
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.GONE); mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
//设置该textview的style
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
//settext为设置内容
mTitle.setText(context.getString(R.string.call_record_folder_name) mTitle.setText(context.getString(R.string.call_record_folder_name)
+ context.getString(R.string.format_folder_files_count, data.getNotesCount())); + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record); mAlert.setImageResource(R.drawable.call_record);
@ -69,8 +68,9 @@ public class NotesListItem extends LinearLayout {
mCallName.setText(data.getCallName()); mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem); mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
//关于闹钟的设置
if (data.hasAlert()) { if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock); mAlert.setImageResource(R.drawable.clock);//图片来源的设置
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
} else { } else {
mAlert.setVisibility(View.GONE); mAlert.setVisibility(View.GONE);
@ -78,7 +78,7 @@ public class NotesListItem extends LinearLayout {
} else { } else {
mCallName.setVisibility(View.GONE); mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
//设置title格式
if (data.getType() == Notes.TYPE_FOLDER) { if (data.getType() == Notes.TYPE_FOLDER) {
mTitle.setText(data.getSnippet() mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count, + context.getString(R.string.format_folder_files_count,
@ -87,35 +87,38 @@ public class NotesListItem extends LinearLayout {
} else { } else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) { if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock); mAlert.setImageResource(R.drawable.clock);///设置图片来源
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
} else { } else {
mAlert.setVisibility(View.GONE); mAlert.setVisibility(View.GONE);
} }
} }
} }
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); //设置内容，获取相关时间，从data里编辑的日期中获取
mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data); setBackground(data);
} }
//根据data的文件属性来设置背景
private void setBackground(NoteItemData data) { private void setBackground(NoteItemData data) {
int id = data.getBgColorId(); int id = data.getBgColorId();
//，若是note型文件，则4种情况，对于4种不同情况的背景来源
if (data.getType() == Notes.TYPE_NOTE) { if (data.getType() == Notes.TYPE_NOTE) {
//单个数据并且只有一个子文件夹
if (data.isSingle() || data.isOneFollowingFolder()) { if (data.isSingle() || data.isOneFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) { } else if (data.isLast()) {//是最后一个数据
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) { } else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
} else { } else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
} }
} else { } else {
//若不是note直接调用文件夹的背景来源
setBackgroundResource(NoteItemBgResources.getFolderBgRes()); setBackgroundResource(NoteItemBgResources.getFolderBgRes());
} }
} }
public NoteItemData getItemData() { public NoteItemData getItemData() {
return mItemData; return mItemData;
} }

199
src/xiaomi/Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java
Unescape View File

@ -47,66 +47,102 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService; import net.micode.notes.gtask.remote.GTaskSyncService;
/**
*
* @ProjectName:
* @Package: net.micode.notes.ui
* @ClassName: NotesPreferenceActivity
* @Description: 它提供了一些选项供用户选择，例如设置字体大小、颜色、排序方式、备份/恢复等。
* 用户可以通过这个界面来调整应用程序的行为和外观，以更好地适应其需求和喜好。
* NotesPreferenceActivity，在小米便签中主要实现的是对背景颜色和字体大小的数据储存。
* 继承了PreferenceActivity主要功能为对系统信息和配置进行自动保存的Activity
* @Author: xumingyang
* @CreateDate: 2024-01-08 18:03
* @UpdateUser: 更新者：
* @UpdateDate: 2024-01-08 18:03
* @UpdateRemark: 更新说明：
* @Version: 1.0
*/
public class NotesPreferenceActivity extends PreferenceActivity { public class NotesPreferenceActivity extends PreferenceActivity {
public static final String PREFERENCE_NAME = "notes_preferences"; public static final String PREFERENCE_NAME = "notes_preferences";
//优先名
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
//同步账号
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
//同步时间
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
//同步密码
private static final String AUTHORITIES_FILTER_KEY = "authorities"; private static final String AUTHORITIES_FILTER_KEY = "authorities";
//本地密码
private PreferenceCategory mAccountCategory; private PreferenceCategory mAccountCategory;
//账户分组
private GTaskReceiver mReceiver; private GTaskReceiver mReceiver;
//同步任务接收器
private Account[] mOriAccounts; private Account[] mOriAccounts;
//账户
private boolean mHasAddedAccount; private boolean mHasAddedAccount;
//账户的hash标记
/**
* @method onCreate
* @description 创建一个activity，在函数里要完成所有的正常静态设置
* @param *Bundle icicle：存放了 activity 当前的状态
*/
@Override @Override
protected void onCreate(Bundle icicle) { protected void onCreate(Bundle icicle) {
super.onCreate(icicle); super.onCreate(icicle);
//先执行父类的创建函数
/* using the app icon for navigation */ /* using the app icon for navigation */
getActionBar().setDisplayHomeAsUpEnabled(true); getActionBar().setDisplayHomeAsUpEnabled(true);
//给左上角图标的左边加上一个返回的图标
addPreferencesFromResource(R.xml.preferences); addPreferencesFromResource(R.xml.preferences);
//添加xml来源并显示 xml
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
//根据同步账户关键码来初始化分组
mReceiver = new GTaskReceiver(); mReceiver = new GTaskReceiver();
IntentFilter filter = new IntentFilter(); IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME); filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter); registerReceiver(mReceiver, filter);
//初始化同步组件
mOriAccounts = null; mOriAccounts = null;
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
//获取listvivew，ListView的作用:用于列出所有选择
getListView().addHeaderView(header, null, true); getListView().addHeaderView(header, null, true);
//在listview组件上方添加其他组件
} }
@Override /**
* @method onResume
* @description activity交互功能的实现，用于接受用户的输入
*/
protected void onResume() { protected void onResume() {
//先执行父类 的交互实现
super.onResume(); super.onResume();
// need to set sync account automatically if user has added a new // need to set sync account automatically if user has added a new
// account // account
if (mHasAddedAccount) { if (mHasAddedAccount) {
//若用户新加了账户则自动设置同步账户
Account[] accounts = getGoogleAccounts(); Account[] accounts = getGoogleAccounts();
//获取google同步账户
if (mOriAccounts != null && accounts.length > mOriAccounts.length) { if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
//若原账户不为空且当前账户有增加
for (Account accountNew : accounts) { for (Account accountNew : accounts) {
boolean found = false; boolean found = false;
for (Account accountOld : mOriAccounts) { for (Account accountOld : mOriAccounts) {
if (TextUtils.equals(accountOld.name, accountNew.name)) { if (TextUtils.equals(accountOld.name, accountNew.name)) {
//更新账户
found = true; found = true;
break; break;
} }
} }
if (!found) { if (!found) {
setSyncAccount(accountNew.name); setSyncAccount(accountNew.name);
//若是没有找到旧的账户，那么同步账号中就只添加新账户
break; break;
} }
} }
@ -114,35 +150,51 @@ public class NotesPreferenceActivity extends PreferenceActivity {
} }
refreshUI(); refreshUI();
//刷新标签界面
} }
@Override /**
* @method onDestroy
* @description 销毁一个activity
*/
protected void onDestroy() { protected void onDestroy() {
if (mReceiver != null) { if (mReceiver != null) {
unregisterReceiver(mReceiver); unregisterReceiver(mReceiver);
//注销接收器
} }
super.onDestroy(); super.onDestroy();
//执行父类的销毁动作
} }
/**
* @method loadAccountPreference
* @description 重新设置账户信息
*/
private void loadAccountPreference() { private void loadAccountPreference() {
mAccountCategory.removeAll(); mAccountCategory.removeAll();
//销毁所有的分组
Preference accountPref = new Preference(this); Preference accountPref = new Preference(this);
//建立首选项
final String defaultAccount = getSyncAccountName(this); final String defaultAccount = getSyncAccountName(this);
accountPref.setTitle(getString(R.string.preferences_account_title)); accountPref.setTitle(getString(R.string.preferences_account_title));
accountPref.setSummary(getString(R.string.preferences_account_summary)); accountPref.setSummary(getString(R.string.preferences_account_summary));
//设置首选项的大标题和小标题
accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
public boolean onPreferenceClick(Preference preference) { public boolean onPreferenceClick(Preference preference) {
//建立监听器
if (!GTaskSyncService.isSyncing()) { if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) { if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account // the first time to set account
//若是第一次建立账户显示选择账户提示对话框
showSelectAccountAlertDialog(); showSelectAccountAlertDialog();
} else { } else {
// if the account has already been set, we need to promp // if the account has already been set, we need to promp
// user about the risk // user about the risk
//若是已经建立则显示修改对话框并进行修改操作
showChangeAccountConfirmAlertDialog(); showChangeAccountConfirmAlertDialog();
} }
} else { } else {
//若在没有同步的情况下，则在toast中显示不能修改
Toast.makeText(NotesPreferenceActivity.this, Toast.makeText(NotesPreferenceActivity.this,
R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
.show(); .show();
@ -151,21 +203,29 @@ public class NotesPreferenceActivity extends PreferenceActivity {
} }
}); });
//根据新建首选项编辑新的账户分组
mAccountCategory.addPreference(accountPref); mAccountCategory.addPreference(accountPref);
} }
/**
* @method loadSyncButton
* @description 设置按键的状态和最后同步的时间
*/
private void loadSyncButton() { private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button); Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
//获取同步按钮控件和最终同步时间的的窗口
// set button state // set button state
//设置按钮的状态
if (GTaskSyncService.isSyncing()) { if (GTaskSyncService.isSyncing()) {
//若是在同步状态下
syncButton.setText(getString(R.string.preferences_button_sync_cancel)); syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() { syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
GTaskSyncService.cancelSync(NotesPreferenceActivity.this); GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
} }
}); });
//设置按钮显示的文本为“取消同步”以及监听器
} else { } else {
syncButton.setText(getString(R.string.preferences_button_sync_immediately)); syncButton.setText(getString(R.string.preferences_button_sync_immediately));
syncButton.setOnClickListener(new View.OnClickListener() { syncButton.setOnClickListener(new View.OnClickListener() {
@ -173,50 +233,69 @@ public class NotesPreferenceActivity extends PreferenceActivity {
GTaskSyncService.startSync(NotesPreferenceActivity.this); GTaskSyncService.startSync(NotesPreferenceActivity.this);
} }
}); });
//若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器
} }
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
//设置按键可用还是不可用
// set last sync time // set last sync time
// 设置最终同步时间
if (GTaskSyncService.isSyncing()) { if (GTaskSyncService.isSyncing()) {
//若是在同步的情况下
lastSyncTimeView.setText(GTaskSyncService.getProgressString()); lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE); lastSyncTimeView.setVisibility(View.VISIBLE);
// 根据当前同步服务器设置时间显示框的文本以及可见性
} else { } else {
//若是非同步情况
long lastSyncTime = getLastSyncTime(this); long lastSyncTime = getLastSyncTime(this);
if (lastSyncTime != 0) { if (lastSyncTime != 0) {
lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
DateFormat.format(getString(R.string.preferences_last_sync_time_format), DateFormat.format(getString(R.string.preferences_last_sync_time_format),
lastSyncTime))); lastSyncTime)));
lastSyncTimeView.setVisibility(View.VISIBLE); lastSyncTimeView.setVisibility(View.VISIBLE);
//则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性
} else { } else {
//若时间为空直接设置为不可见状态
lastSyncTimeView.setVisibility(View.GONE); lastSyncTimeView.setVisibility(View.GONE);
} }
} }
} }
/**
* @method refreshUI
* @description 刷新标签界面
*/
private void refreshUI() { private void refreshUI() {
loadAccountPreference(); loadAccountPreference();
loadSyncButton(); loadSyncButton();
//调用上文设置账号和设置按键两个函数来实现
} }
/**
* @method showSelectAccountAlertDialog
* @description 函数功能：显示账户选择的对话框并进行账户的设置
*/
private void showSelectAccountAlertDialog() { private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
//创建一个新的对话框
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
//设置标题以及子标题的内容
dialogBuilder.setCustomTitle(titleView); dialogBuilder.setCustomTitle(titleView);
dialogBuilder.setPositiveButton(null, null); dialogBuilder.setPositiveButton(null, null);
//设置对话框的自定义标题，建立一个YES的按钮
Account[] accounts = getGoogleAccounts(); Account[] accounts = getGoogleAccounts();
String defAccount = getSyncAccountName(this); String defAccount = getSyncAccountName(this);
//获取同步账户信息
mOriAccounts = accounts; mOriAccounts = accounts;
mHasAddedAccount = false; mHasAddedAccount = false;
if (accounts.length > 0) { if (accounts.length > 0) {
//若账户不为空
CharSequence[] items = new CharSequence[accounts.length]; CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items; final CharSequence[] itemMapping = items;
int checkedItem = -1; int checkedItem = -1;
@ -224,83 +303,119 @@ public class NotesPreferenceActivity extends PreferenceActivity {
for (Account account : accounts) { for (Account account : accounts) {
if (TextUtils.equals(account.name, defAccount)) { if (TextUtils.equals(account.name, defAccount)) {
checkedItem = index; checkedItem = index;
//在账户列表中查询到所需账户
} }
items[index++] = account.name; items[index++] = account.name;
} }
dialogBuilder.setSingleChoiceItems(items, checkedItem, dialogBuilder.setSingleChoiceItems(items, checkedItem,
//在对话框建立一个单选的复选框
new DialogInterface.OnClickListener() { new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
setSyncAccount(itemMapping[which].toString()); setSyncAccount(itemMapping[which].toString());
dialog.dismiss(); dialog.dismiss();
//取消对话框
refreshUI(); refreshUI();
} }
//设置点击后执行的事件，包括检录新同步账户和刷新标签界面
}); });
//建立对话框网络版的监听器
} }
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null); View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView); dialogBuilder.setView(addAccountView);
//给新加账户对话框设置自定义样式
final AlertDialog dialog = dialogBuilder.show(); final AlertDialog dialog = dialogBuilder.show();
//显示对话框
addAccountView.setOnClickListener(new View.OnClickListener() { addAccountView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
mHasAddedAccount = true; mHasAddedAccount = true;
//将新加账户的hash置true
Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
//建立网络建立组件
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
"gmail-ls" "gmail-ls"
}); });
startActivityForResult(intent, -1); startActivityForResult(intent, -1);
//跳回上一个选项
dialog.dismiss(); dialog.dismiss();
} }
}); });
//建立新加账户对话框的监听器
} }
/**
* @method showChangeAccountConfirmAlertDialog
* @description 显示账户选择对话框和相关账户操作
*/
private void showChangeAccountConfirmAlertDialog() { private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
//创建一个新的对话框
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
getSyncAccountName(this))); getSyncAccountName(this)));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
//根据同步修改的账户信息设置标题以及子标题的内容
dialogBuilder.setCustomTitle(titleView); dialogBuilder.setCustomTitle(titleView);
//设置对话框的自定义标题
CharSequence[] menuItemArray = new CharSequence[] { CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account), getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account), getString(R.string.preferences_menu_remove_account),
getString(R.string.preferences_menu_cancel) getString(R.string.preferences_menu_cancel)
}; };
//定义一些标记字符串
dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
//设置对话框要显示的一个list，用于显示几个命令时,即change，remove，cancel
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
//按键功能，由which来决定
if (which == 0) { if (which == 0) {
//进入账户选择对话框
showSelectAccountAlertDialog(); showSelectAccountAlertDialog();
} else if (which == 1) { } else if (which == 1) {
//删除账户并且跟新便签界面
removeSyncAccount(); removeSyncAccount();
refreshUI(); refreshUI();
} }
} }
}); });
dialogBuilder.show(); dialogBuilder.show();
//显示对话框
} }
/**
* @method getGoogleAccounts
* @description 获取谷歌账户
*/
private Account[] getGoogleAccounts() { private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this); AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google"); return accountManager.getAccountsByType("com.google");
//通过账户管理器直接获取
} }
/**
* @method setSyncAccount
* @description 设置同步账户
*/
private void setSyncAccount(String account) { private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) { if (!getSyncAccountName(this).equals(account)) {
//假如该账号不在同步账号列表中
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); SharedPreferences.Editor editor = settings.edit();
//编辑共享的首选项
if (account != null) { if (account != null) {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
} else { } else {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
} }
//将该账号加入到首选项中
editor.commit(); editor.commit();
//提交修改的数据
// clean up last sync time
setLastSyncTime(this, 0); setLastSyncTime(this, 0);
//将最后同步时间清零
// clean up local gtask related info // clean up local gtask related info
new Thread(new Runnable() { new Thread(new Runnable() {
@ -311,23 +426,34 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
} }
}).start(); }).start();
//重置当地同步任务的信息
Toast.makeText(NotesPreferenceActivity.this, Toast.makeText(NotesPreferenceActivity.this,
getString(R.string.preferences_toast_success_set_accout, account), getString(R.string.preferences_toast_success_set_accout, account),
Toast.LENGTH_SHORT).show(); Toast.LENGTH_SHORT).show();
//将toast的文本信息置为“设置账户成功”并显示出来
} }
} }
/**
* @method removeSyncAccount
* @description 删除同步账户
*/
private void removeSyncAccount() { private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); SharedPreferences.Editor editor = settings.edit();
//设置共享首选项
if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
//假如当前首选项中有账户就删除
} }
if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
editor.remove(PREFERENCE_LAST_SYNC_TIME); editor.remove(PREFERENCE_LAST_SYNC_TIME);
//删除当前首选项中有账户时间
} }
editor.commit(); editor.commit();
//提交更新后的数据
// clean up local gtask related info // clean up local gtask related info
new Thread(new Runnable() { new Thread(new Runnable() {
@ -338,49 +464,78 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
} }
}).start(); }).start();
//重置当地同步任务的信息
} }
/**
* @method getSyncAccountName
* @description 获取同步账户名称
*/
public static String getSyncAccountName(Context context) { public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
//通过共享的首选项里的信息直接获取
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
} }
/**
* @method setLastSyncTime
* @description 设置最终同步的时间
*/
public static void setLastSyncTime(Context context, long time) { public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); SharedPreferences.Editor editor = settings.edit();
// 从共享首选项中找到相关账户并获取其编辑器
editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
editor.commit(); editor.commit();
//编辑最终同步时间并提交更新
} }
/**
* @method getLastSyncTime
* @description 获取最终同步时间
*/
public static long getLastSyncTime(Context context) { public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
//通过共享的首选项里的信息直接获取
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
} }
/**
* @method
* @description 接受同步信息
*/
private class GTaskReceiver extends BroadcastReceiver { private class GTaskReceiver extends BroadcastReceiver {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
refreshUI(); refreshUI();
if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
//获取随广播而来的Intent中的同步服务的数据
TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
syncStatus.setText(intent syncStatus.setText(intent
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG)); .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
//通过获取的数据在设置系统的状态
} }
} }
} }
/**
* @method onOptionsItemSelected
* @description 处理菜单的选项
* @param *MenuItem菜单选项
*/
public boolean onOptionsItemSelected(MenuItem item) { public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) { switch (item.getItemId()) {
//根据选项的id选择，这里只有一个主页
case android.R.id.home: case android.R.id.home:
Intent intent = new Intent(this, NotesListActivity.class); Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent); startActivity(intent);
return true; return true;
//在主页情况下在创建连接组件intent，发出清空的信号并开始一个相应的activity
default: default:
return false; return false;
} }

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