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10 Commits
main ... 鲍贤慧

Author SHA1 Message Date
鲍贤慧 2e04f73e98 UI
3 months ago
鲍贤慧 b008aa159c ui
3 months ago
鲍贤慧 1a639e5488 注释
3 months ago
鲍贤慧 057f086fcd Merge branch '鲍贤慧' of https://bdgit.educoder.net/pjhgq6s5i/llll.gitpractice into 鲍贤慧
3 months ago
鲍贤慧 f00b600fdc 代码注释
3 months ago
鲍贤慧 73b57f9746 Merge branch 'main' of https://bdgit.educoder.net/pjhgq6s5i/llll.gitpractice
3 months ago
鲍贤慧 58f8f1bcc4 代码注释
3 months ago
鲍贤慧 b4ec4db31a 代码注释
3 months ago
鲍贤慧 0f643edce5 代码注释
3 months ago
lwl 2e504ddb59 修改
3 months ago
17 changed files with 1296 additions and 879 deletions
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64
Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
Unescape View File

@ -39,21 +39,35 @@ import net.micode.notes.tool.DataUtils;
import java.io.IOException;
/**
* 便签闹钟提醒活动类
* 当便签设置的提醒时间到达时，该活动会被启动以提醒用户
*/
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
// 便签ID和摘要内容
private long mNoteId;
private String mSnippet;
// 摘要预览最大长度
private static final int SNIPPET_PREW_MAX_LEN = 60;
// 媒体播放器，用于播放闹钟声音
MediaPlayer mPlayer;
/**
* 活动创建时调用
* 初始化窗口属性，获取便签信息，并显示提醒对话框
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 不显示标题栏
requestWindowFeature(Window.FEATURE_NO_TITLE);
// 获取窗口对象并设置属性
final Window win = getWindow();
// 设置窗口在锁屏状态下可见
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
// 如果屏幕未点亮，则点亮屏幕并保持亮屏状态
if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
@ -61,78 +75,110 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
}
// 获取启动该活动的Intent
Intent intent = getIntent();
try {
// 从Intent的URI中提取便签ID
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
// 获取便签摘要内容
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
// 如果摘要内容过长，进行截断处理
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet;
} catch (IllegalArgumentException e) {
// 处理参数异常
e.printStackTrace();
return;
}
// 初始化媒体播放器
mPlayer = new MediaPlayer();
// 检查便签是否存在且有效
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
// 显示提醒对话框
showActionDialog();
// 播放闹钟声音
playAlarmSound();
} else {
// 便签不存在或无效，关闭活动
finish();
}
}
/**
* 检查屏幕是否点亮
*/
private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
}
/**
* 播放闹钟声音
*/
private void playAlarmSound() {
// 获取默认闹钟铃声URI
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
// 获取静音模式下受影响的音频流设置
int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
// 设置音频流类型
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
mPlayer.setAudioStreamType(silentModeStreams);
} else {
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
}
try {
// 设置音频源并准备播放
mPlayer.setDataSource(this, url);
mPlayer.prepare();
// 设置循环播放
mPlayer.setLooping(true);
mPlayer.start();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 显示提醒对话框
*/
private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
// 设置对话框标题为应用名称
dialog.setTitle(R.string.app_name);
// 设置对话框内容为便签摘要
dialog.setMessage(mSnippet);
// 设置"确定"按钮，点击后关闭提醒
dialog.setPositiveButton(R.string.notealert_ok, this);
// 如果屏幕已点亮，显示"进入"按钮，点击后打开便签编辑界面
if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this);
}
// 显示对话框并设置关闭监听器
dialog.show().setOnDismissListener(this);
}
/**
* 处理对话框按钮点击事件
*/
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEGATIVE:
// "进入"按钮点击事件：打开便签编辑界面
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, mNoteId);
@ -143,11 +189,18 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
}
}
/**
* 处理对话框关闭事件
*/
public void onDismiss(DialogInterface dialog) {
// 停止闹钟声音并关闭活动
stopAlarmSound();
finish();
}
/**
* 停止闹钟声音并释放资源
*/
private void stopAlarmSound() {
if (mPlayer != null) {
mPlayer.stop();
@ -156,3 +209,4 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
}
}
}

33
Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
Unescape View File

@ -27,38 +27,65 @@ import android.database.Cursor;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
/**
* 便签闹钟初始化接收器
* 用于在系统启动或应用安装后，重新设置所有已设置提醒的便签闹钟
*/
public class AlarmInitReceiver extends BroadcastReceiver {
// 查询便签数据时使用的投影列，定义了需要从数据库中获取的字段
private static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE
NoteColumns.ID, // 便签ID
NoteColumns.ALERTED_DATE // 提醒日期
};
// 投影列的索引常量，用于快速访问查询结果中的特定列
private static final int COLUMN_ID = 0;
private static final int COLUMN_ALERTED_DATE = 1;
/**
* 接收广播时调用
* 从数据库中查询所有设置了未来提醒的便签，并为它们设置系统闹钟
*
* @param context 应用上下文
* @param intent 接收的广播Intent
*/
@Override
public void onReceive(Context context, Intent intent) {
// 获取当前时间
long currentDate = System.currentTimeMillis();
// 查询所有设置了未来提醒的便签
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) },
null);
// 遍历查询结果，为每个便签设置闹钟
if (c != null) {
if (c.moveToFirst()) {
do {
// 获取便签的提醒日期
long alertDate = c.getLong(COLUMN_ALERTED_DATE);
// 创建用于触发闹钟的Intent
Intent sender = new Intent(context, AlarmReceiver.class);
// 设置Intent的数据URI，包含便签ID
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
// 创建PendingIntent，用于在闹钟触发时发送广播
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
// 获取AlarmManager系统服务
AlarmManager alermManager = (AlarmManager) context
.getSystemService(Context.ALARM_SERVICE);
// 设置一次性闹钟，在提醒日期触发
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
} while (c.moveToNext());
}
// 关闭Cursor释放资源
c.close();
}
}

15
Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
Unescape View File

@ -20,11 +20,26 @@ import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
/**
* 便签闹钟接收器
* 当设置的便签提醒时间到达时，接收系统闹钟广播并启动提醒界面
*/
public class AlarmReceiver extends BroadcastReceiver {
/**
* 接收广播时调用
* 当闹钟触发时，启动AlarmAlertActivity显示便签提醒
*
* @param context 应用上下文
* @param intent 接收的广播Intent
*/
@Override
public void onReceive(Context context, Intent intent) {
// 修改Intent的目标类为AlarmAlertActivity
intent.setClass(context, AlarmAlertActivity.class);
// 添加FLAG_ACTIVITY_NEW_TASK标志，允许在非Activity上下文启动Activity
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// 启动AlarmAlertActivity以显示便签提醒
context.startActivity(intent);
}
}

239
Notes-master/src/net/micode/notes/ui/DateTimePicker.java
Unescape View File

@ -21,92 +21,124 @@ import java.util.Calendar;
import net.micode.notes.R;
import android.content.Context;
import android.text.format.DateFormat;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
/**
* 便签日期时间选择器
* 自定义的日期时间选择控件，允许用户选择日期和时间
* 支持12小时制和24小时制显示
*/
public class DateTimePicker extends FrameLayout {
// 默认启用状态
private static final boolean DEFAULT_ENABLE_STATE = true;
private static final int HOURS_IN_HALF_DAY = 12;
private static final int HOURS_IN_ALL_DAY = 24;
private static final int DAYS_IN_ALL_WEEK = 7;
private static final int DATE_SPINNER_MIN_VAL = 0;
private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
private static final int MINUT_SPINNER_MIN_VAL = 0;
private static final int MINUT_SPINNER_MAX_VAL = 59;
private static final int AMPM_SPINNER_MIN_VAL = 0;
private static final int AMPM_SPINNER_MAX_VAL = 1;
private final NumberPicker mDateSpinner;
private final NumberPicker mHourSpinner;
private final NumberPicker mMinuteSpinner;
private final NumberPicker mAmPmSpinner;
private Calendar mDate;
// 时间和日期相关常量
private static final int HOURS_IN_HALF_DAY = 12; // 半天小时数
private static final int HOURS_IN_ALL_DAY = 24; // 全天小时数
private static final int DAYS_IN_ALL_WEEK = 7; // 一周天数
private static final int DATE_SPINNER_MIN_VAL = 0; // 日期选择器最小值
private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1; // 日期选择器最大值
private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0; // 24小时制小时选择器最小值
private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23; // 24小时制小时选择器最大值
private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1; // 12小时制小时选择器最小值
private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12; // 12小时制小时选择器最大值
private static final int MINUT_SPINNER_MIN_VAL = 0; // 分钟选择器最小值
private static final int MINUT_SPINNER_MAX_VAL = 59; // 分钟选择器最大值
private static final int AMPM_SPINNER_MIN_VAL = 0; // 上下午选择器最小值
private static final int AMPM_SPINNER_MAX_VAL = 1; // 上下午选择器最大值
// 界面组件
private final NumberPicker mDateSpinner; // 日期选择器
private final NumberPicker mHourSpinner; // 小时选择器
private final NumberPicker mMinuteSpinner; // 分钟选择器
private final NumberPicker mAmPmSpinner; // 上下午选择器
private Calendar mDate; // 当前日期时间
// 日期显示值数组
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
private boolean mIsAm;
private boolean mIs24HourView;
private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
private boolean mInitialising;
// 状态标志
private boolean mIsAm; // 是否为上午
private boolean mIs24HourView; // 是否为24小时制
private boolean mIsEnabled = DEFAULT_ENABLE_STATE; // 是否启用
private boolean mInitialising; // 是否正在初始化
// 日期时间变化监听器
private OnDateTimeChangedListener mOnDateTimeChangedListener;
/**
* 日期选择变化监听器
* 处理日期选择变化事件，更新日期控件并触发回调
*/
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 根据新旧值调整日期
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
updateDateControl();
onDateTimeChanged();
}
};
/**
* 小时选择变化监听器
* 处理小时选择变化事件，处理跨天和上下午切换逻辑
*/
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false;
Calendar cal = Calendar.getInstance();
// 处理12小时制的特殊情况
if (!mIs24HourView) {
// 从晚上11点到12点，日期加一天
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
}
// 从中午12点到11点，日期减一天
else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
// 处理上下午切换
if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
mIsAm = !mIsAm;
updateAmPmControl();
}
} else {
}
// 处理24小时制的特殊情况
else {
// 从23点到0点，日期加一天
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
}
// 从0点到23点，日期减一天
else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
}
// 更新小时值
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
mDate.set(Calendar.HOUR_OF_DAY, newHour);
onDateTimeChanged();
// 如果日期发生变化，更新日期组件
if (isDateChanged) {
setCurrentYear(cal.get(Calendar.YEAR));
setCurrentMonth(cal.get(Calendar.MONTH));
@ -115,21 +147,33 @@ public class DateTimePicker extends FrameLayout {
}
};
/**
* 分钟选择变化监听器
* 处理分钟选择变化事件，处理跨小时逻辑
*/
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0;
// 处理从59分到0分，小时加一
if (oldVal == maxValue && newVal == minValue) {
offset += 1;
} else if (oldVal == minValue && newVal == maxValue) {
}
// 处理从0分到59分，小时减一
else if (oldVal == minValue && newVal == maxValue) {
offset -= 1;
}
// 如果发生跨小时，更新小时和日期
if (offset != 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour());
updateDateControl();
// 更新上下午状态
int newHour = getCurrentHourOfDay();
if (newHour >= HOURS_IN_HALF_DAY) {
mIsAm = false;
@ -139,15 +183,22 @@ public class DateTimePicker extends FrameLayout {
updateAmPmControl();
}
}
// 更新分钟值
mDate.set(Calendar.MINUTE, newVal);
onDateTimeChanged();
}
};
/**
* 上下午选择变化监听器
* 处理上下午选择变化事件，调整时间并更新控件
*/
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm;
// 上下午切换时调整小时
if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
} else {
@ -158,19 +209,35 @@ public class DateTimePicker extends FrameLayout {
}
};
/**
* 日期时间变化监听器接口
* 用于通知日期时间变化
*/
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
}
/**
* 默认构造函数
* 使用当前时间初始化
*/
public DateTimePicker(Context context) {
this(context, System.currentTimeMillis());
}
/**
* 带时间参数的构造函数
* 使用指定时间初始化
*/
public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context));
}
/**
* 完整构造函数
* 使用指定时间和时间显示格式初始化
*/
public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context);
mDate = Calendar.getInstance();
@ -178,19 +245,24 @@ public class DateTimePicker extends FrameLayout {
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this);
// 初始化日期选择器
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
// 初始化小时选择器
mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
// 初始化分钟选择器
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100);
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
// 初始化上下午选择器
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
@ -198,22 +270,28 @@ public class DateTimePicker extends FrameLayout {
mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
// update controls to initial state
// 更新控件初始状态
updateDateControl();
updateHourControl();
updateAmPmControl();
// 设置时间显示格式
set24HourView(is24HourView);
// set to current time
// 设置当前时间
setCurrentDate(date);
// 设置启用状态
setEnabled(isEnabled());
// set the content descriptions
// 初始化完成
mInitialising = false;
}
/**
* 设置启用状态
* 控制整个选择器的可交互性
*/
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
@ -227,24 +305,24 @@ public class DateTimePicker extends FrameLayout {
mIsEnabled = enabled;
}
/**
* 获取启用状态
*/
@Override
public boolean isEnabled() {
return mIsEnabled;
}
/**
* Get the current date in millis
*
* @return the current date in millis
* 获取当前日期时间的毫秒数
*/
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis();
}
/**
* Set the current date
*
* @param date The current date in millis
* 设置当前日期时间
* 使用毫秒值设置
*/
public void setCurrentDate(long date) {
Calendar cal = Calendar.getInstance();
@ -254,13 +332,8 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Set the current date
*
* @param year The current year
* @param month The current month
* @param dayOfMonth The current dayOfMonth
* @param hourOfDay The current hourOfDay
* @param minute The current minute
* 设置当前日期时间
* 使用年月日时分分别设置
*/
public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
@ -272,18 +345,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get current year
*
* @return The current year
* 获取当前年份
*/
public int getCurrentYear() {
return mDate.get(Calendar.YEAR);
}
/**
* Set current year
*
* @param year The current year
* 设置当前年份
*/
public void setCurrentYear(int year) {
if (!mInitialising && year == getCurrentYear()) {
@ -295,18 +364,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get current month in the year
*
* @return The current month in the year
* 获取当前月份
*/
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH);
}
/**
* Set current month in the year
*
* @param month The month in the year
* 设置当前月份
*/
public void setCurrentMonth(int month) {
if (!mInitialising && month == getCurrentMonth()) {
@ -318,18 +383,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get current day of the month
*
* @return The day of the month
* 获取当前日期
*/
public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH);
}
/**
* Set current day of the month
*
* @param dayOfMonth The day of the month
* 设置当前日期
*/
public void setCurrentDay(int dayOfMonth) {
if (!mInitialising && dayOfMonth == getCurrentDay()) {
@ -341,13 +402,16 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get current hour in 24 hour mode, in the range (0~23)
* @return The current hour in 24 hour mode
* 获取当前24小时制小时
*/
public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY);
}
/**
* 获取当前小时
* 根据显示格式返回相应的小时值
*/
private int getCurrentHour() {
if (mIs24HourView){
return getCurrentHourOfDay();
@ -362,9 +426,7 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Set current hour in 24 hour mode, in the range (0~23)
*
* @param hourOfDay
* 设置当前24小时制小时
*/
public void setCurrentHour(int hourOfDay) {
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
@ -390,16 +452,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get currentMinute
*
* @return The Current Minute
* 获取当前分钟
*/
public int getCurrentMinute() {
return mDate.get(Calendar.MINUTE);
}
/**
* Set current minute
* 设置当前分钟
*/
public void setCurrentMinute(int minute) {
if (!mInitialising && minute == getCurrentMinute()) {
@ -411,22 +471,22 @@ public class DateTimePicker extends FrameLayout {
}
/**
* @return true if this is in 24 hour view else false.
* 获取时间显示格式
*/
public boolean is24HourView () {
return mIs24HourView;
}
/**
* Set whether in 24 hour or AM/PM mode.
*
* @param is24HourView True for 24 hour mode. False for AM/PM mode.
* 设置时间显示格式
* 12小时制或24小时制
*/
public void set24HourView(boolean is24HourView) {
if (mIs24HourView == is24HourView) {
return;
}
mIs24HourView = is24HourView;
// 隐藏或显示上下午选择器
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
int hour = getCurrentHourOfDay();
updateHourControl();
@ -434,20 +494,31 @@ public class DateTimePicker extends FrameLayout {
updateAmPmControl();
}
/**
* 更新日期控件
* 设置日期选择器的显示值和当前值
*/
private void updateDateControl() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
mDateSpinner.setDisplayedValues(null);
// 生成日期显示值数组
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
cal.add(Calendar.DAY_OF_YEAR, 1);
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
}
mDateSpinner.setDisplayedValues(mDateDisplayValues);
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate();
}
/**
* 更新上下午控件
* 显示或隐藏上下午选择器
*/
private void updateAmPmControl() {
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
@ -458,6 +529,10 @@ public class DateTimePicker extends FrameLayout {
}
}
/**
* 更新小时控件
* 根据显示格式设置小时选择器的范围
*/
private void updateHourControl() {
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
@ -469,13 +544,15 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Set the callback that indicates the 'Set' button has been pressed.
* @param callback the callback, if null will do nothing
* 设置日期时间变化监听器
*/
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
mOnDateTimeChangedListener = callback;
}
/**
* 触发日期时间变化回调
*/
private void onDateTimeChanged() {
if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),

59
Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
Unescape View File

@ -29,62 +29,111 @@ import android.content.DialogInterface.OnClickListener;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
/**
* 便签日期时间选择对话框
* 自定义的日期时间选择对话框，使用DateTimePicker作为内容视图
* 提供用户友好的界面来选择日期和时间
*/
public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
// 当前选择的日期时间
private Calendar mDate = Calendar.getInstance();
// 是否使用24小时制
private boolean mIs24HourView;
// 日期时间设置监听器
private OnDateTimeSetListener mOnDateTimeSetListener;
// 日期时间选择器组件
private DateTimePicker mDateTimePicker;
/**
* 日期时间设置监听器接口
* 用于通知用户设置的日期时间
*/
public interface OnDateTimeSetListener {
void OnDateTimeSet(AlertDialog dialog, long date);
}
/**
* 构造函数
* 使用指定的日期初始化对话框
*/
public DateTimePickerDialog(Context context, long date) {
super(context);
// 初始化日期时间选择器
mDateTimePicker = new DateTimePicker(context);
// 设置对话框内容视图
setView(mDateTimePicker);
// 设置日期时间变化监听器
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
// 更新日期时间
mDate.set(Calendar.YEAR, year);
mDate.set(Calendar.MONTH, month);
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute);
// 更新对话框标题
updateTitle(mDate.getTimeInMillis());
}
});
// 设置初始日期时间，秒数清零
mDate.setTimeInMillis(date);
mDate.set(Calendar.SECOND, 0);
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
// 设置对话框按钮
setButton(context.getString(R.string.datetime_dialog_ok), this);
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
// 设置时间显示格式
set24HourView(DateFormat.is24HourFormat(this.getContext()));
// 更新对话框标题
updateTitle(mDate.getTimeInMillis());
}
/**
* 设置时间显示格式
* 12小时制或24小时制
*/
public void set24HourView(boolean is24HourView) {
mIs24HourView = is24HourView;
}
/**
* 设置日期时间设置监听器
*/
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack;
}
/**
* 更新对话框标题
* 显示当前选择的日期时间
*/
private void updateTitle(long date) {
// 设置日期时间显示标志
int flag =
DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME;
DateUtils.FORMAT_SHOW_YEAR | // 显示年份
DateUtils.FORMAT_SHOW_DATE | // 显示日期
DateUtils.FORMAT_SHOW_TIME; // 显示时间
// 根据24小时制设置标志
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
// 更新对话框标题
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
}
/**
* 处理按钮点击事件
*/
public void onClick(DialogInterface arg0, int arg1) {
// 当用户点击"确定"按钮时，通知监听器
if (mOnDateTimeSetListener != null) {
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
}
}
}
}

38
Notes-master/src/net/micode/notes/ui/DropdownMenu.java
Unescape View File

@ -27,17 +27,39 @@ import android.widget.PopupMenu.OnMenuItemClickListener;
import net.micode.notes.R;
/**
* 便签下拉菜单组件
* 自定义的下拉菜单控件，封装了PopupMenu的功能
* 提供简洁的API用于创建和管理下拉菜单
*/
public class DropdownMenu {
// 触发下拉菜单的按钮
private Button mButton;
// 弹出菜单对象
private PopupMenu mPopupMenu;
// 菜单对象
private Menu mMenu;
/**
* 构造函数
* 初始化下拉菜单组件
*
* @param context 应用上下文
* @param button 触发下拉菜单的按钮
* @param menuId 菜单资源ID
*/
public DropdownMenu(Context context, Button button, int menuId) {
mButton = button;
// 设置按钮背景为下拉菜单图标
mButton.setBackgroundResource(R.drawable.dropdown_icon);
// 创建PopupMenu对象
mPopupMenu = new PopupMenu(context, mButton);
// 获取菜单对象
mMenu = mPopupMenu.getMenu();
// 加载菜单资源
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
// 设置按钮点击监听器，点击时显示菜单
mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mPopupMenu.show();
@ -45,16 +67,32 @@ public class DropdownMenu {
});
}
/**
* 设置菜单项点击监听器
*
* @param listener 菜单项点击监听器
*/
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener);
}
}
/**
* 查找菜单项
*
* @param id 菜单项ID
* @return 找到的菜单项，未找到则返回null
*/
public MenuItem findItem(int id) {
return mMenu.findItem(id);
}
/**
* 设置按钮标题
*
* @param title 按钮标题文本
*/
public void setTitle(CharSequence title) {
mButton.setText(title);
}

67
Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java
Unescape View File

@ -28,53 +28,108 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
/**
* 便签文件夹列表适配器
* 用于将文件夹数据绑定到ListView或Spinner等视图组件
* 处理文件夹名称显示和特殊文件夹的本地化名称
*/
public class FoldersListAdapter extends CursorAdapter {
// 查询文件夹时使用的投影列，定义了需要从数据库中获取的字段
public static final String [] PROJECTION = {
NoteColumns.ID,
NoteColumns.SNIPPET
NoteColumns.ID, // 文件夹ID
NoteColumns.SNIPPET // 文件夹名称
};
public static final int ID_COLUMN = 0;
public static final int NAME_COLUMN = 1;
// 投影列的索引常量，用于快速访问查询结果中的特定列
public static final int ID_COLUMN = 0; // ID列索引
public static final int NAME_COLUMN = 1; // 名称列索引
/**
* 构造函数
* 初始化文件夹列表适配器
*
* @param context 应用上下文
* @param c 包含文件夹数据的Cursor
*/
public FoldersListAdapter(Context context, Cursor c) {
super(context, c);
// TODO Auto-generated constructor stub
}
/**
* 创建新的列表项视图
*
* @param context 应用上下文
* @param cursor 数据Cursor
* @param parent 父视图
* @return 新创建的文件夹列表项视图
*/
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new FolderListItem(context);
}
/**
* 将数据绑定到列表项视图
*
* @param view 列表项视图
* @param context 应用上下文
* @param cursor 数据Cursor
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof FolderListItem) {
// 获取文件夹名称，如果是根文件夹则使用本地化字符串
String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
// 绑定文件夹名称到视图
((FolderListItem) view).bind(folderName);
}
}
/**
* 获取指定位置的文件夹名称
*
* @param context 应用上下文
* @param position 列表位置
* @return 文件夹名称
*/
public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position);
// 获取文件夹名称，如果是根文件夹则使用本地化字符串
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
}
/**
* 文件夹列表项内部类
* 定义了单个文件夹列表项的视图结构和数据绑定方法
*/
private class FolderListItem extends LinearLayout {
// 文件夹名称文本视图
private TextView mName;
/**
* 构造函数
* 初始化文件夹列表项视图
*
* @param context 应用上下文
*/
public FolderListItem(Context context) {
super(context);
// 加载布局文件
inflate(context, R.layout.folder_list_item, this);
// 获取文件夹名称文本视图
mName = (TextView) findViewById(R.id.tv_folder_name);
}
/**
* 绑定文件夹名称到视图
*
* @param name 文件夹名称
*/
public void bind(String name) {
mName.setText(name);
}
}
}

673
Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
Unescape View File

@ -1,17 +1,7 @@
/*
* 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.
* 版权声明：该代码受Apache License 2.0许可保护，未经许可不得违反许可协议使用
*/
package net.micode.notes.ui;
@ -72,18 +62,23 @@ import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 便签编辑活动类
* 功能：处理便签的创建、编辑、删除、提醒设置等操作
* 实现了便签设置监听器和文本变化监听器，用于实时响应便签状态变化
*/
public class NoteEditActivity extends Activity implements OnClickListener,
NoteSettingChangedListener, OnTextViewChangeListener {
// 头部视图持有者类，用于缓存头部视图控件
private class HeadViewHolder {
public TextView tvModified;
public ImageView ivAlertIcon;
public TextView tvAlertDate;
public ImageView ibSetBgColor;
public TextView tvModified; // 修改时间文本
public ImageView ivAlertIcon; // 提醒图标
public TextView tvAlertDate; // 提醒日期文本
public ImageView ibSetBgColor; // 设置背景色按钮
}
// 背景色选择按钮映射表：按钮ID -> 背景色资源ID
private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
static {
sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
@ -93,6 +88,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
}
// 背景色选中状态映射表：背景色资源ID -> 选中状态图标ID
private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
@ -102,6 +98,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
}
// 字体大小按钮映射表：按钮ID -> 字体大小资源ID
private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
static {
sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
@ -110,6 +107,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
}
// 字体大小选中状态映射表：字体大小资源ID -> 选中状态图标ID
private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
@ -118,52 +116,45 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
}
private static final String TAG = "NoteEditActivity";
private HeadViewHolder mNoteHeaderHolder;
private View mHeadViewPanel;
private View mNoteBgColorSelector;
private View mFontSizeSelector;
private EditText mNoteEditor;
private View mNoteEditorPanel;
private static final String TAG = "NoteEditActivity"; // 日志标签
private WorkingNote mWorkingNote;
private SharedPreferences mSharedPrefs;
private int mFontSizeId;
private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
private HeadViewHolder mNoteHeaderHolder; // 头部视图持有者实例
private View mHeadViewPanel; // 头部视图面板
private View mNoteBgColorSelector; // 背景色选择面板
private View mFontSizeSelector; // 字体大小选择面板
private EditText mNoteEditor; // 便签编辑文本框
private View mNoteEditorPanel; // 编辑区域面板
private WorkingNote mWorkingNote; // 工作便签模型，处理便签数据逻辑
private SharedPreferences mSharedPrefs; // 共享偏好，存储用户设置
private int mFontSizeId; // 当前字体大小ID
private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; // 字体大小偏好键
private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; // 桌面快捷方式标题最大长度
// 复选框列表标记：选中/未选中符号
public static final String TAG_CHECKED = String.valueOf('\u221A');
public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
private LinearLayout mEditTextList;
private LinearLayout mEditTextList; // 列表模式下的编辑项容器
private String mUserQuery; // 用户搜索查询词，用于文本高亮
private Pattern mPattern; // 正则表达式模式，用于文本匹配
private String mUserQuery;
private Pattern mPattern;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.note_edit);
this.setContentView(R.layout.note_edit); // 设置布局文件
// 初始化活动状态，若失败则结束活动
if (savedInstanceState == null && !initActivityState(getIntent())) {
finish();
return;
}
initResources();
initResources(); // 初始化资源和控件
}
/**
* Current activity may be killed when the memory is low. Once it is killed, for another time
* user load this activity, we should restore the former state
* 恢复活动状态（如内存不足时被销毁后重建）
* @param savedInstanceState 保存的实例状态
*/
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
@ -179,24 +170,25 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
}
/**
* 初始化活动状态（加载已有便签或创建新便签）
* @param intent 传入的意图
* @return 初始化是否成功
*/
private boolean initActivityState(Intent intent) {
/**
* If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
* then jump to the NotesListActivity
*/
mWorkingNote = null;
// 处理查看便签操作
if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
mUserQuery = "";
/**
* Starting from the searched result
*/
// 处理搜索结果中打开的便签
if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
}
// 检查便签是否存在于数据库且可见
if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
Intent jump = new Intent(this, NotesListActivity.class);
startActivity(jump);
@ -204,18 +196,20 @@ public class NoteEditActivity extends Activity implements OnClickListener,
finish();
return false;
} else {
mWorkingNote = WorkingNote.load(this, noteId);
mWorkingNote = WorkingNote.load(this, noteId); // 加载已有便签
if (mWorkingNote == null) {
Log.e(TAG, "load note failed with note id" + noteId);
finish();
return false;
}
}
// 设置软键盘模式：隐藏并调整布局
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
} else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
// New note
}
// 处理插入或编辑便签操作（创建新便签）
else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
AppWidgetManager.INVALID_APPWIDGET_ID);
@ -224,7 +218,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
ResourceParser.getDefaultBgId(this));
// Parse call-record note
// 处理通话记录便签
String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
if (callDate != 0 && phoneNumber != null) {
@ -232,6 +226,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
Log.w(TAG, "The call record number is null");
}
long noteId = 0;
// 检查是否已有该通话记录便签
if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
phoneNumber, callDate)) > 0) {
mWorkingNote = WorkingNote.load(this, noteId);
@ -241,15 +236,18 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return false;
}
} else {
// 创建新的通话记录便签
mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
widgetType, bgResId);
mWorkingNote.convertToCallNote(phoneNumber, callDate);
}
} else {
// 创建普通新便签
mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
bgResId);
}
// 设置软键盘模式：可见并调整布局
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
| WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
@ -258,6 +256,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
finish();
return false;
}
// 设置便签设置变化监听器
mWorkingNote.setOnSettingStatusChangedListener(this);
return true;
}
@ -265,42 +264,55 @@ public class NoteEditActivity extends Activity implements OnClickListener,
@Override
protected void onResume() {
super.onResume();
initNoteScreen();
initNoteScreen(); // 初始化便签编辑界面
}
/**
* 初始化便签编辑界面（设置文本、背景、时间等）
*/
private void initNoteScreen() {
// 设置文本外观（根据字体大小偏好）
mNoteEditor.setTextAppearance(this, TextAppearanceResources
.getTexAppearanceResource(mFontSizeId));
// 处理复选框列表模式
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
switchToListMode(mWorkingNote.getContent());
} else {
// 普通文本模式，高亮搜索关键词
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
mNoteEditor.setSelection(mNoteEditor.getText().length());
}
// 隐藏所有背景色选中状态图标
for (Integer id : sBgSelectorSelectionMap.keySet()) {
findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
}
// 设置头部和编辑区域背景
mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
// 设置修改时间文本
mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
| DateUtils.FORMAT_SHOW_YEAR));
/**
* TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker
* is not ready
*/
// 显示提醒头部（提醒时间和图标）
showAlertHeader();
}
/**
* 显示提醒头部（根据便签是否设置提醒）
*/
private void showAlertHeader() {
if (mWorkingNote.hasClockAlert()) {
long time = System.currentTimeMillis();
if (time > mWorkingNote.getAlertDate()) {
mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); // 提醒已过期
} else {
// 显示相对时间（如"5分钟后"）
mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
}
@ -309,23 +321,19 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} else {
mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
};
}
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
initActivityState(intent);
initActivityState(intent); // 处理新传入的意图
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
/**
* For new note without note id, we should firstly save it to
* generate a id. If the editing note is not worth saving, there
* is no id which is equivalent to create new note
*/
// 保存便签数据（若为新便签则生成ID）
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
@ -335,12 +343,14 @@ public class NoteEditActivity extends Activity implements OnClickListener,
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
// 点击背景色选择面板外部时隐藏面板
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mNoteBgColorSelector, ev)) {
mNoteBgColorSelector.setVisibility(View.GONE);
return true;
}
// 点击字体大小选择面板外部时隐藏面板
if (mFontSizeSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mFontSizeSelector, ev)) {
mFontSizeSelector.setVisibility(View.GONE);
@ -349,525 +359,34 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return super.dispatchTouchEvent(ev);
}
/**
* 检查触摸事件是否在视图范围内
* @param view 目标视图
* @param ev 触摸事件
* @return 是否在范围内
*/
private boolean inRangeOfView(View view, MotionEvent ev) {
int []location = new int[2];
view.getLocationOnScreen(location);
int x = location[0];
int y = location[1];
// 检查触摸坐标是否在视图范围内
if (ev.getX() < x
|| ev.getX() > (x + view.getWidth())
|| ev.getY() < y
|| ev.getY() > (y + view.getHeight())) {
return false;
}
return false;
}
return true;
}
/**
* 初始化资源和控件（视图、偏好、监听器等）
*/
private void initResources() {
mHeadViewPanel = findViewById(R.id.note_title);
mNoteHeaderHolder = new HeadViewHolder();
// 初始化头部视图控件
mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);
mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
mNoteEditorPanel = findViewById(R.id.sv_note_edit);
mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
for (int id : sBgSelectorBtnsMap.keySet()) {
ImageView iv = (ImageView) findViewById(id);
iv.setOnClickListener(this);
}
mFontSizeSelector = findViewById(R.id.font_size_selector);
for (int id : sFontSizeBtnsMap.keySet()) {
View view = findViewById(id);
view.setOnClickListener(this);
};
mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
/**
* HACKME: Fix bug of store the resource id in shared preference.
* The id may larger than the length of resources, in this case,
* return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
*/
if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
}
mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
}
@Override
protected void onPause() {
super.onPause();
if(saveNote()) {
Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
}
clearSettingState();
}
private void updateWidget() {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
intent.setClass(this, NoteWidgetProvider_2x.class);
} else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
intent.setClass(this, NoteWidgetProvider_4x.class);
} else {
Log.e(TAG, "Unspported widget type");
return;
}
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
mWorkingNote.getWidgetId()
});
sendBroadcast(intent);
setResult(RESULT_OK, intent);
}
public void onClick(View v) {
int id = v.getId();
if (id == R.id.btn_set_bg_color) {
mNoteBgColorSelector.setVisibility(View.VISIBLE);
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
- View.VISIBLE);
} else if (sBgSelectorBtnsMap.containsKey(id)) {
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
View.GONE);
mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id));
mNoteBgColorSelector.setVisibility(View.GONE);
} else if (sFontSizeBtnsMap.containsKey(id)) {
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
mFontSizeId = sFontSizeBtnsMap.get(id);
mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
getWorkingText();
switchToListMode(mWorkingNote.getContent());
} else {
mNoteEditor.setTextAppearance(this,
TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
}
mFontSizeSelector.setVisibility(View.GONE);
}
}
@Override
public void onBackPressed() {
if(clearSettingState()) {
return;
}
saveNote();
super.onBackPressed();
}
private boolean clearSettingState() {
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
mNoteBgColorSelector.setVisibility(View.GONE);
return true;
} else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
mFontSizeSelector.setVisibility(View.GONE);
return true;
}
return false;
}
public void onBackgroundColorChanged() {
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
View.VISIBLE);
mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (isFinishing()) {
return true;
}
clearSettingState();
menu.clear();
if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
getMenuInflater().inflate(R.menu.call_note_edit, menu);
} else {
getMenuInflater().inflate(R.menu.note_edit, menu);
}
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
} else {
menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
}
if (mWorkingNote.hasClockAlert()) {
menu.findItem(R.id.menu_alert).setVisible(false);
} else {
menu.findItem(R.id.menu_delete_remind).setVisible(false);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_new_note:
createNewNote();
break;
case R.id.menu_delete:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_note));
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
deleteCurrentNote();
finish();
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
break;
case R.id.menu_font_size:
mFontSizeSelector.setVisibility(View.VISIBLE);
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
break;
case R.id.menu_list_mode:
mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
TextNote.MODE_CHECK_LIST : 0);
break;
case R.id.menu_share:
getWorkingText();
sendTo(this, mWorkingNote.getContent());
break;
case R.id.menu_send_to_desktop:
sendToDesktop();
break;
case R.id.menu_alert:
setReminder();
break;
case R.id.menu_delete_remind:
mWorkingNote.setAlertDate(0, false);
break;
default:
break;
}
return true;
}
private void setReminder() {
DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
public void OnDateTimeSet(AlertDialog dialog, long date) {
mWorkingNote.setAlertDate(date , true);
}
});
d.show();
}
/**
* Share note to apps that support {@link Intent#ACTION_SEND} action
* and {@text/plain} type
*/
private void sendTo(Context context, String info) {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.putExtra(Intent.EXTRA_TEXT, info);
intent.setType("text/plain");
context.startActivity(intent);
}
private void createNewNote() {
// Firstly, save current editing notes
saveNote();
// For safety, start a new NoteEditActivity
finish();
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
startActivity(intent);
}
private void deleteCurrentNote() {
if (mWorkingNote.existInDatabase()) {
HashSet<Long> ids = new HashSet<Long>();
long id = mWorkingNote.getNoteId();
if (id != Notes.ID_ROOT_FOLDER) {
ids.add(id);
} else {
Log.d(TAG, "Wrong note id, should not happen");
}
if (!isSyncMode()) {
if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
Log.e(TAG, "Delete Note error");
}
} else {
if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "Move notes to trash folder error, should not happens");
}
}
}
mWorkingNote.markDeleted(true);
}
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
public void onClockAlertChanged(long date, boolean set) {
/**
* User could set clock to an unsaved note, so before setting the
* alert clock, we should save the note first
*/
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
if (mWorkingNote.getNoteId() > 0) {
Intent intent = new Intent(this, AlarmReceiver.class);
intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
showAlertHeader();
if(!set) {
alarmManager.cancel(pendingIntent);
} else {
alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
}
} else {
/**
* There is the condition that user has input nothing (the note is
* not worthy saving), we have no note id, remind the user that he
* should input something
*/
Log.e(TAG, "Clock alert setting error");
showToast(R.string.error_note_empty_for_clock);
}
}
public void onWidgetChanged() {
updateWidget();
}
public void onEditTextDelete(int index, String text) {
int childCount = mEditTextList.getChildCount();
if (childCount == 1) {
return;
}
for (int i = index + 1; i < childCount; i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i - 1);
}
mEditTextList.removeViewAt(index);
NoteEditText edit = null;
if(index == 0) {
edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
R.id.et_edit_text);
} else {
edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
R.id.et_edit_text);
}
int length = edit.length();
edit.append(text);
edit.requestFocus();
edit.setSelection(length);
}
public void onEditTextEnter(int index, String text) {
/**
* Should not happen, check for debug
*/
if(index > mEditTextList.getChildCount()) {
Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
}
View view = getListItem(text, index);
mEditTextList.addView(view, index);
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.requestFocus();
edit.setSelection(0);
for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i);
}
}
private void switchToListMode(String text) {
mEditTextList.removeAllViews();
String[] items = text.split("\n");
int index = 0;
for (String item : items) {
if(!TextUtils.isEmpty(item)) {
mEditTextList.addView(getListItem(item, index));
index++;
}
}
mEditTextList.addView(getListItem("", index));
mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
mNoteEditor.setVisibility(View.GONE);
mEditTextList.setVisibility(View.VISIBLE);
}
private Spannable getHighlightQueryResult(String fullText, String userQuery) {
SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
if (!TextUtils.isEmpty(userQuery)) {
mPattern = Pattern.compile(userQuery);
Matcher m = mPattern.matcher(fullText);
int start = 0;
while (m.find(start)) {
spannable.setSpan(
new BackgroundColorSpan(this.getResources().getColor(
R.color.user_query_highlight)), m.start(), m.end(),
Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
start = m.end();
}
}
return spannable;
}
private View getListItem(String item, int index) {
View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
} else {
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
}
}
});
if (item.startsWith(TAG_CHECKED)) {
cb.setChecked(true);
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
item = item.substring(TAG_CHECKED.length(), item.length()).trim();
} else if (item.startsWith(TAG_UNCHECKED)) {
cb.setChecked(false);
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
}
edit.setOnTextViewChangeListener(this);
edit.setIndex(index);
edit.setText(getHighlightQueryResult(item, mUserQuery));
return view;
}
public void onTextChange(int index, boolean hasText) {
if (index >= mEditTextList.getChildCount()) {
Log.e(TAG, "Wrong index, should not happen");
return;
}
if(hasText) {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
} else {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
}
}
public void onCheckListModeChanged(int oldMode, int newMode) {
if (newMode == TextNote.MODE_CHECK_LIST) {
switchToListMode(mNoteEditor.getText().toString());
} else {
if (!getWorkingText()) {
mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
""));
}
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
mEditTextList.setVisibility(View.GONE);
mNoteEditor.setVisibility(View.VISIBLE);
}
}
private boolean getWorkingText() {
boolean hasChecked = false;
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mEditTextList.getChildCount(); i++) {
View view = mEditTextList.getChildAt(i);
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
if (!TextUtils.isEmpty(edit.getText())) {
if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
hasChecked = true;
} else {
sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
}
}
}
mWorkingNote.setWorkingText(sb.toString());
} else {
mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
}
return hasChecked;
}
private boolean saveNote() {
getWorkingText();
boolean saved = mWorkingNote.saveNote();
if (saved) {
/**
* There are two modes from List view to edit view, open one note,
* create/edit a node. Opening node requires to the original
* position in the list when back from edit view, while creating a
* new node requires to the top of the list. This code
* {@link #RESULT_OK} is used to identify the create/edit state
*/
setResult(RESULT_OK);
}
return saved;
}
private void sendToDesktop() {
/**
* Before send message to home, we should make sure that current
* editing note is exists in databases. So, for new note, firstly
* save it
*/
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
if (mWorkingNote.getNoteId() > 0) {
Intent sender = new Intent();
Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
shortcutIntent.setAction(Intent.ACTION_VIEW);
shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
makeShortcutIconTitle(mWorkingNote.getContent()));
sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
sender.putExtra("duplicate", true);
sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
showToast(R.string.info_note_enter_desktop);
sendBroadcast(sender);
} else {
/**
* There is the condition that user has input nothing (the note is
* not worthy saving), we have no note id, remind the user that he
* should input something
*/
Log.e(TAG, "Send to desktop error");
showToast(R.string.error_note_empty_for_send_to_desktop);
}
}
private String makeShortcutIconTitle(String content) {
content = content.replace(TAG_CHECKED, "");
content = content.replace(TAG_UNCHECKED, "");
return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
SHORTCUT_ICON_TITLE_MAX_LEN) : content;
}
private void showToast(int resId) {
showToast(resId, Toast.LENGTH_SHORT);
}
private void showToast(int resId, int duration) {
Toast.makeText(this, resId, duration).show();
}
}
mNote

102
Notes-master/src/net/micode/notes/ui/NoteEditText.java
Unescape View File

@ -37,15 +37,21 @@ import net.micode.notes.R;
import java.util.HashMap;
import java.util.Map;
/**
* 自定义编辑文本视图，用于笔记应用中，提供增强的文本编辑功能
* 包括处理链接、特殊按键事件以及与笔记编辑活动的交互
*/
public class NoteEditText extends EditText {
private static final String TAG = "NoteEditText";
private int mIndex;
private int mSelectionStartBeforeDelete;
private int mIndex; // 当前编辑文本在笔记中的索引位置
private int mSelectionStartBeforeDelete; // 删除操作前的选择起始位置
private static final String SCHEME_TEL = "tel:" ;
private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ;
// 支持的URL链接协议前缀
private static final String SCHEME_TEL = "tel:"; // 电话号码链接
private static final String SCHEME_HTTP = "http:"; // HTTP链接
private static final String SCHEME_EMAIL = "mailto:"; // 邮件链接
// 链接协议与对应的菜单项文本资源ID的映射
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static {
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@ -54,56 +60,89 @@ public class NoteEditText extends EditText {
}
/**
* Call by the {@link NoteEditActivity} to delete or add edit text
* 文本视图变化监听器接口，由NoteEditActivity实现
* 用于处理编辑文本的删除、添加和文本变化事件
*/
public interface OnTextViewChangeListener {
/**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null
* 当按下删除键且文本为空时，删除当前编辑文本
* @param index 当前编辑文本的索引
* @param text 当前编辑文本的内容
*/
void onEditTextDelete(int index, String text);
/**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen
* 当按下回车键时，在当前编辑文本后添加新的编辑文本
* @param index 新编辑文本的索引
* @param text 新编辑文本的初始内容
*/
void onEditTextEnter(int index, String text);
/**
* Hide or show item option when text change
* 当文本内容变化时，隐藏或显示菜单项
* @param index 当前编辑文本的索引
* @param hasText 是否有文本内容
*/
void onTextChange(int index, boolean hasText);
}
private OnTextViewChangeListener mOnTextViewChangeListener;
private OnTextViewChangeListener mOnTextViewChangeListener; // 文本变化监听器
/**
* 构造函数，用于代码中创建视图
* @param context 应用上下文
*/
public NoteEditText(Context context) {
super(context, null);
mIndex = 0;
}
/**
* 设置当前编辑文本在笔记中的索引位置
* @param index 索引位置
*/
public void setIndex(int index) {
mIndex = index;
}
/**
* 设置文本视图变化监听器
* @param listener 监听器实例
*/
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener;
}
/**
* 构造函数，用于XML布局文件中创建视图
* @param context 应用上下文
* @param attrs 属性集合
*/
public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle);
}
/**
* 构造函数，用于XML布局文件中创建视图并指定默认样式
* @param context 应用上下文
* @param attrs 属性集合
* @param defStyle 默认样式资源ID
*/
public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// TODO Auto-generated constructor stub
}
/**
* 处理触摸事件，重写以确保正确设置文本选择位置
* @param event 触摸事件
* @return 是否消费事件
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// 计算触摸点在文本中的偏移位置
int x = (int) event.getX();
int y = (int) event.getY();
x -= getTotalPaddingLeft();
@ -111,6 +150,7 @@ public class NoteEditText extends EditText {
x += getScrollX();
y += getScrollY();
// 获取触摸点对应的文本位置并设置选择
Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
@ -121,15 +161,23 @@ public class NoteEditText extends EditText {
return super.onTouchEvent(event);
}
/**
* 处理按键按下事件
* @param keyCode 按键代码
* @param event 按键事件
* @return 是否消费事件
*/
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_ENTER:
// 当按下回车键时，如果设置了监听器，则由监听器处理
if (mOnTextViewChangeListener != null) {
return false;
}
break;
case KeyEvent.KEYCODE_DEL:
// 记录删除操作前的选择起始位置，用于后续判断是否删除整个视图
mSelectionStartBeforeDelete = getSelectionStart();
break;
default:
@ -138,11 +186,19 @@ public class NoteEditText extends EditText {
return super.onKeyDown(keyCode, event);
}
/**
* 处理按键释放事件
* @param keyCode 按键代码
* @param event 按键事件
* @return 是否消费事件
*/
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) {
case KeyEvent.KEYCODE_DEL:
// 处理删除键释放事件
if (mOnTextViewChangeListener != null) {
// 当光标在文本开头且不是第一个编辑文本时，删除当前编辑文本
if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
return true;
@ -152,10 +208,13 @@ public class NoteEditText extends EditText {
}
break;
case KeyEvent.KEYCODE_ENTER:
// 处理回车键释放事件
if (mOnTextViewChangeListener != null) {
// 获取当前光标位置，将文本分割为两部分
int selectionStart = getSelectionStart();
String text = getText().subSequence(selectionStart, length()).toString();
setText(getText().subSequence(0, selectionStart));
// 在当前位置后添加新的编辑文本
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
@ -167,9 +226,16 @@ public class NoteEditText extends EditText {
return super.onKeyUp(keyCode, event);
}
/**
* 处理焦点变化事件
* @param focused 是否获得焦点
* @param direction 焦点移动方向
* @param previouslyFocusedRect 之前焦点所在的矩形区域
*/
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if (mOnTextViewChangeListener != null) {
// 根据焦点变化和文本内容，通知监听器更新菜单项显示
if (!focused && TextUtils.isEmpty(getText())) {
mOnTextViewChangeListener.onTextChange(mIndex, false);
} else {
@ -179,8 +245,13 @@ public class NoteEditText extends EditText {
super.onFocusChanged(focused, direction, previouslyFocusedRect);
}
/**
* 创建上下文菜单，用于处理链接点击
* @param menu 上下文菜单
*/
@Override
protected void onCreateContextMenu(ContextMenu menu) {
// 检查选中文本是否包含URL链接
if (getText() instanceof Spanned) {
int selStart = getSelectionStart();
int selEnd = getSelectionEnd();
@ -188,9 +259,11 @@ public class NoteEditText extends EditText {
int min = Math.min(selStart, selEnd);
int max = Math.max(selStart, selEnd);
// 获取选中区域内的URL链接
final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
if (urls.length == 1) {
int defaultResId = 0;
// 根据链接协议确定菜单项文本
for(String schema: sSchemaActionResMap.keySet()) {
if(urls[0].getURL().indexOf(schema) >= 0) {
defaultResId = sSchemaActionResMap.get(schema);
@ -202,10 +275,11 @@ public class NoteEditText extends EditText {
defaultResId = R.string.note_link_other;
}
// 添加菜单项并设置点击监听器
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// goto a new intent
// 点击菜单项时，调用URLSpan的onClick方法打开链接
urls[0].onClick(NoteEditText.this);
return true;
}

192
Notes-master/src/net/micode/notes/ui/NoteItemData.java
Unescape View File

@ -26,22 +26,28 @@ import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils;
/**
* 笔记项数据模型类，用于存储和管理单个笔记的相关数据
* 包含从数据库查询的笔记信息以及位置状态信息
*/
public class NoteItemData {
// 从数据库查询笔记数据时使用的投影列
static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE,
NoteColumns.HAS_ATTACHMENT,
NoteColumns.MODIFIED_DATE,
NoteColumns.NOTES_COUNT,
NoteColumns.PARENT_ID,
NoteColumns.SNIPPET,
NoteColumns.TYPE,
NoteColumns.WIDGET_ID,
NoteColumns.WIDGET_TYPE,
NoteColumns.ID, // 笔记ID
NoteColumns.ALERTED_DATE, // 提醒日期
NoteColumns.BG_COLOR_ID, // 背景颜色ID
NoteColumns.CREATED_DATE, // 创建日期
NoteColumns.HAS_ATTACHMENT, // 是否有附件
NoteColumns.MODIFIED_DATE, // 修改日期
NoteColumns.NOTES_COUNT, // 笔记数量（文件夹类型时使用）
NoteColumns.PARENT_ID, // 父文件夹ID
NoteColumns.SNIPPET, // 摘要内容
NoteColumns.TYPE, // 类型（笔记/文件夹）
NoteColumns.WIDGET_ID, // 桌面小部件ID
NoteColumns.WIDGET_TYPE, // 桌面小部件类型
};
// 投影列索引常量，用于从Cursor中获取数据
private static final int ID_COLUMN = 0;
private static final int ALERTED_DATE_COLUMN = 1;
private static final int BG_COLOR_ID_COLUMN = 2;
@ -55,28 +61,38 @@ public class NoteItemData {
private static final int WIDGET_ID_COLUMN = 10;
private static final int WIDGET_TYPE_COLUMN = 11;
private long mId;
private long mAlertDate;
private int mBgColorId;
private long mCreatedDate;
private boolean mHasAttachment;
private long mModifiedDate;
private int mNotesCount;
private long mParentId;
private String mSnippet;
private int mType;
private int mWidgetId;
private int mWidgetType;
private String mName;
private String mPhoneNumber;
private boolean mIsLastItem;
private boolean mIsFirstItem;
private boolean mIsOnlyOneItem;
private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder;
// 笔记基本属性
private long mId; // 笔记ID
private long mAlertDate; // 提醒日期
private int mBgColorId; // 背景颜色ID
private long mCreatedDate; // 创建日期
private boolean mHasAttachment; // 是否有附件
private long mModifiedDate; // 修改日期
private int mNotesCount; // 笔记数量（文件夹类型时使用）
private long mParentId; // 父文件夹ID
private String mSnippet; // 摘要内容
private int mType; // 类型（笔记/文件夹）
private int mWidgetId; // 桌面小部件ID
private int mWidgetType; // 桌面小部件类型
// 通话记录相关属性
private String mName; // 联系人名称
private String mPhoneNumber; // 电话号码
// 位置状态属性，用于UI显示
private boolean mIsLastItem; // 是否为列表最后一项
private boolean mIsFirstItem; // 是否为列表第一项
private boolean mIsOnlyOneItem; // 是否为列表中唯一一项
private boolean mIsOneNoteFollowingFolder; // 是否为文件夹后的第一个笔记
private boolean mIsMultiNotesFollowingFolder; // 是否为文件夹后的多个笔记之一
/**
* 构造函数，从Cursor中读取数据并初始化笔记项
* @param context 应用上下文
* @param cursor 包含笔记数据的Cursor对象
*/
public NoteItemData(Context context, Cursor cursor) {
// 从Cursor中读取基本笔记信息
mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
@ -86,18 +102,26 @@ public class NoteItemData {
mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
mParentId = cursor.getLong(PARENT_ID_COLUMN);
mSnippet = cursor.getString(SNIPPET_COLUMN);
// 清理摘要内容中的标记
mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
NoteEditActivity.TAG_UNCHECKED, "");
mType = cursor.getInt(TYPE_COLUMN);
mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
// 初始化通话记录相关信息
mPhoneNumber = "";
// 如果是通话记录文件夹中的笔记
if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
// 获取通话记录的电话号码
mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
if (!TextUtils.isEmpty(mPhoneNumber)) {
// 获取联系人名称
mName = Contact.getContact(context, mPhoneNumber);
if (mName == null) {
// 如果没有联系人名称，使用电话号码代替
mName = mPhoneNumber;
}
}
@ -106,27 +130,38 @@ public class NoteItemData {
if (mName == null) {
mName = "";
}
// 检查并设置笔记在列表中的位置状态
checkPostion(cursor);
}
/**
* 检查并设置笔记在列表中的位置状态
* @param cursor 包含笔记数据的Cursor对象
*/
private void checkPostion(Cursor cursor) {
// 设置基本位置状态
mIsLastItem = cursor.isLast() ? true : false;
mIsFirstItem = cursor.isFirst() ? true : false;
mIsOnlyOneItem = (cursor.getCount() == 1);
mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false;
// 如果是笔记类型且不是列表中的第一项
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
int position = cursor.getPosition();
if (cursor.moveToPrevious()) {
// 检查前一项是否为文件夹或系统类型
if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {
// 判断当前笔记是文件夹后的第一个笔记还是多个笔记之一
if (cursor.getCount() > (position + 1)) {
mIsMultiNotesFollowingFolder = true;
} else {
mIsOneNoteFollowingFolder = true;
}
}
// 恢复Cursor位置
if (!cursor.moveToNext()) {
throw new IllegalStateException("cursor move to previous but can't move back");
}
@ -134,90 +169,181 @@ public class NoteItemData {
}
}
// 以下是各种状态和属性的访问器方法
/**
* 判断是否为文件夹后的第一个笔记
* @return 如果是返回true，否则返回false
*/
public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder;
}
/**
* 判断是否为文件夹后的多个笔记之一
* @return 如果是返回true，否则返回false
*/
public boolean isMultiFollowingFolder() {
return mIsMultiNotesFollowingFolder;
}
/**
* 判断是否为列表中的最后一项
* @return 如果是返回true，否则返回false
*/
public boolean isLast() {
return mIsLastItem;
}
/**
* 获取通话记录的联系人名称
* @return 联系人名称
*/
public String getCallName() {
return mName;
}
/**
* 判断是否为列表中的第一项
* @return 如果是返回true，否则返回false
*/
public boolean isFirst() {
return mIsFirstItem;
}
/**
* 判断是否为列表中唯一一项
* @return 如果是返回true，否则返回false
*/
public boolean isSingle() {
return mIsOnlyOneItem;
}
/**
* 获取笔记ID
* @return 笔记ID
*/
public long getId() {
return mId;
}
/**
* 获取提醒日期
* @return 提醒日期
*/
public long getAlertDate() {
return mAlertDate;
}
/**
* 获取创建日期
* @return 创建日期
*/
public long getCreatedDate() {
return mCreatedDate;
}
/**
* 判断是否有附件
* @return 如果有附件返回true，否则返回false
*/
public boolean hasAttachment() {
return mHasAttachment;
}
/**
* 获取修改日期
* @return 修改日期
*/
public long getModifiedDate() {
return mModifiedDate;
}
/**
* 获取背景颜色ID
* @return 背景颜色ID
*/
public int getBgColorId() {
return mBgColorId;
}
/**
* 获取父文件夹ID
* @return 父文件夹ID
*/
public long getParentId() {
return mParentId;
}
/**
* 获取笔记数量（文件夹类型时使用）
* @return 笔记数量
*/
public int getNotesCount() {
return mNotesCount;
}
/**
* 获取文件夹ID
* @return 文件夹ID
*/
public long getFolderId () {
return mParentId;
}
/**
* 获取笔记类型
* @return 笔记类型
*/
public int getType() {
return mType;
}
/**
* 获取桌面小部件类型
* @return 桌面小部件类型
*/
public int getWidgetType() {
return mWidgetType;
}
/**
* 获取桌面小部件ID
* @return 桌面小部件ID
*/
public int getWidgetId() {
return mWidgetId;
}
/**
* 获取笔记摘要内容
* @return 笔记摘要内容
*/
public String getSnippet() {
return mSnippet;
}
/**
* 判断是否有提醒
* @return 如果有提醒返回true，否则返回false
*/
public boolean hasAlert() {
return (mAlertDate > 0);
}
/**
* 判断是否为通话记录
* @return 如果是通话记录返回true，否则返回false
*/
public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
}
/**
* 静态方法，从Cursor中获取笔记类型
* @param cursor 包含笔记数据的Cursor对象
* @return 笔记类型
*/
public static int getNoteType(Cursor cursor) {
return cursor.getInt(TYPE_COLUMN);
}

287
Notes-master/src/net/micode/notes/ui/NotesListActivity.java
Unescape View File

@ -78,60 +78,52 @@ import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashSet;
/**
* 笔记列表活动类，负责显示笔记和文件夹列表
* 处理笔记的创建、删除、移动等操作
* 支持文件夹导航和上下文菜单
*/
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1;
private static final int MENU_FOLDER_DELETE = 0;
private static final int MENU_FOLDER_VIEW = 1;
private static final int MENU_FOLDER_CHANGE_NAME = 2;
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; // 笔记列表查询令牌
private static final int FOLDER_LIST_QUERY_TOKEN = 1; // 文件夹列表查询令牌
private static final int MENU_FOLDER_DELETE = 0; // 文件夹删除菜单项ID
private static final int MENU_FOLDER_VIEW = 1; // 文件夹查看菜单项ID
private static final int MENU_FOLDER_CHANGE_NAME = 2; // 文件夹重命名菜单项ID
// 首次使用应用的偏好设置键
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
// 列表编辑状态枚举
private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
NOTE_LIST, // 根笔记列表状态
SUB_FOLDER, // 子文件夹状态
CALL_RECORD_FOLDER // 通话记录文件夹状态
};
private ListEditState mState;
private BackgroundQueryHandler mBackgroundQueryHandler;
private NotesListAdapter mNotesListAdapter;
private ListView mNotesListView;
private Button mAddNewNote;
private boolean mDispatch;
private int mOriginY;
private int mDispatchY;
private TextView mTitleBar;
private long mCurrentFolderId;
private ContentResolver mContentResolver;
private ModeCallback mModeCallBack;
private static final String TAG = "NotesListActivity";
public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
private NoteItemData mFocusNoteDataItem;
private ListEditState mState; // 当前列表编辑状态
private BackgroundQueryHandler mBackgroundQueryHandler;// 后台查询处理器
private NotesListAdapter mNotesListAdapter; // 笔记列表适配器
private ListView mNotesListView; // 笔记列表视图
private Button mAddNewNote; // 添加新笔记按钮
private boolean mDispatch; // 触摸事件分发标志
private int mOriginY; // 触摸事件原始Y坐标
private int mDispatchY; // 触摸事件分发Y坐标
private TextView mTitleBar; // 标题栏文本
private long mCurrentFolderId; // 当前文件夹ID
private ContentResolver mContentResolver; // 内容解析器
private ModeCallback mModeCallBack; // 操作模式回调
private static final String TAG = "NotesListActivity"; // 日志标签
public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;// 列表视图滚动速率
private NoteItemData mFocusNoteDataItem; // 聚焦的笔记数据项
// 查询条件常量
private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"
+ Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
+ NoteColumns.NOTES_COUNT + ">0)";
// 活动结果请求码
private final static int REQUEST_CODE_OPEN_NODE = 102;
private final static int REQUEST_CODE_NEW_NODE = 103;
@ -140,15 +132,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
super.onCreate(savedInstanceState);
setContentView(R.layout.note_list);
initResources();
/**
* Insert an introduction when user firstly use this application
*/
// 首次使用应用时插入介绍笔记
setAppInfoFromRawRes();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 处理打开或新建笔记的结果
if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null);
@ -157,6 +148,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 从原始资源文件读取应用介绍并保存为笔记
*/
private void setAppInfoFromRawRes() {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
@ -165,6 +159,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
try {
in = getResources().openRawResource(R.raw.introduction);
if (in != null) {
// 读取介绍内容
InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024];
@ -184,12 +179,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
try {
in.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
// 创建并保存介绍笔记
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED);
@ -206,23 +201,37 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
protected void onStart() {
super.onStart();
// 启动异步笔记列表查询
startAsyncNotesListQuery();
}
/**
* 初始化资源和视图
*/
private void initResources() {
mContentResolver = this.getContentResolver();
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mNotesListView = (ListView) findViewById(R.id.notes_list);
// 添加列表页脚
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false);
// 设置列表项点击和长按监听器
mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this);
// 设置列表适配器
mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter);
// 初始化添加新笔记按钮
mAddNewNote = (Button) findViewById(R.id.btn_new_note);
mAddNewNote.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
// 初始化状态变量
mDispatch = false;
mDispatchY = 0;
mOriginY = 0;
@ -231,14 +240,25 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback();
}
/**
* 操作模式回调类，处理多选模式下的操作
*/
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu;
private ActionMode mActionMode;
private DropdownMenu mDropDownMenu; // 下拉菜单
private ActionMode mActionMode; // 操作模式
// 操作菜单项，用于移动笔记
private MenuItem mMoveMenu;
/**
* 创建操作模式时调用
*/
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
// Inflate菜单资源
getMenuInflater().inflate(R.menu.note_list_options, menu);
menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
// 初始化移动菜单项
mMoveMenu = menu.findItem(R.id.move);
if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
|| DataUtils.getUserFolderCount(mContentResolver) == 0) {
@ -247,11 +267,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mMoveMenu.setVisible(true);
mMoveMenu.setOnMenuItemClickListener(this);
}
mActionMode = mode;
mNotesListAdapter.setChoiceMode(true);
mNotesListView.setLongClickable(false);
mAddNewNote.setVisibility(View.GONE);
// 设置自定义操作模式视图
View customView = LayoutInflater.from(NotesListActivity.this).inflate(
R.layout.note_list_dropdown_menu, null);
mode.setCustomView(customView);
@ -264,14 +286,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
updateMenu();
return true;
}
});
return true;
}
/**
* 更新菜单状态
*/
private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu
// 更新下拉菜单标题
String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format);
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
@ -287,15 +311,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
// TODO Auto-generated method stub
return false;
}
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
// TODO Auto-generated method stub
return false;
}
/**
* 销毁操作模式时调用
*/
public void onDestroyActionMode(ActionMode mode) {
mNotesListAdapter.setChoiceMode(false);
mNotesListView.setLongClickable(true);
@ -306,12 +331,18 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mActionMode.finish();
}
/**
* 列表项选中状态改变时调用
*/
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked);
updateMenu();
}
/**
* 菜单项点击处理
*/
public boolean onMenuItemClick(MenuItem item) {
if (mNotesListAdapter.getSelectedCount() == 0) {
Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
@ -321,6 +352,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
switch (item.getItemId()) {
case R.id.delete:
// 显示删除确认对话框
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
@ -337,6 +369,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.show();
break;
case R.id.move:
// 启动目标文件夹查询
startQueryDestinationFolders();
break;
default:
@ -346,32 +379,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 新笔记按钮触摸监听器，处理特殊区域的触摸事件分发
*/
private class NewNoteOnTouchListener implements OnTouchListener {
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: {
// 获取屏幕和按钮尺寸
Display display = getWindowManager().getDefaultDisplay();
int screenHeight = display.getHeight();
int newNoteViewHeight = mAddNewNote.getHeight();
int start = screenHeight - newNoteViewHeight;
int eventY = start + (int) event.getY();
/**
* Minus TitleBar's height
*/
// 调整标题栏高度
if (mState == ListEditState.SUB_FOLDER) {
eventY -= mTitleBar.getHeight();
start -= mTitleBar.getHeight();
}
/**
* HACKME:When click the transparent part of "New Note" button, dispatch
* the event to the list view behind this button. The transparent part of
* "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel）
* and the line top of the button. The coordinate based on left of the "New
* Note" button. The 94 represents maximum height of the transparent part.
* Notice that, if the background of the button changes, the formula should
* also change. This is very bad, just for the UI designer's strong requirement.
*/
// 处理按钮透明区域的触摸事件分发
if (event.getY() < (event.getX() * (-0.12) + 94)) {
View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
- mNotesListView.getFooterViewsCount());
@ -387,6 +415,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
break;
}
case MotionEvent.ACTION_MOVE: {
// 处理移动事件的分发
if (mDispatch) {
mDispatchY += (int) event.getY() - mOriginY;
event.setLocation(event.getX(), mDispatchY);
@ -395,6 +424,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
break;
}
default: {
// 处理事件结束
if (mDispatch) {
event.setLocation(event.getX(), mDispatchY);
mDispatch = false;
@ -405,10 +435,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
return false;
}
};
/**
* 启动异步笔记列表查询
*/
private void startAsyncNotesListQuery() {
// 根据当前文件夹ID设置查询条件
String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
: NORMAL_SELECTION;
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
@ -417,6 +450,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
}
/**
* 后台查询处理器，处理异步查询结果
*/
private final class BackgroundQueryHandler extends AsyncQueryHandler {
public BackgroundQueryHandler(ContentResolver contentResolver) {
super(contentResolver);
@ -424,6 +460,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
// 处理不同类型的查询结果
switch (token) {
case FOLDER_NOTE_LIST_QUERY_TOKEN:
mNotesListAdapter.changeCursor(cursor);
@ -441,13 +478,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 显示文件夹列表菜单，用于选择目标文件夹
*/
private void showFolderListMenu(Cursor cursor) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(R.string.menu_title_select_folder);
final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// 批量移动笔记到选中的文件夹
DataUtils.batchMoveToFolder(mContentResolver,
mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
Toast.makeText(
@ -462,6 +502,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.show();
}
/**
* 创建新笔记
*/
private void createNewNote() {
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
@ -469,20 +512,23 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
}
/**
* 批量删除选中的笔记
*/
private void batchDelete() {
new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() {
protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) {
// 获取选中笔记关联的小部件
HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget();
if (!isSyncMode()) {
// if not synced, delete notes directly
// 非同步模式下直接删除笔记
if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter
.getSelectedItemIds())) {
} else {
Log.e(TAG, "Delete notes error, should not happens");
}
} else {
// in sync mode, we'll move the deleted note into the trash
// folder
// 同步模式下将删除的笔记移动到废纸篓
if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
.getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "Move notes to trash folder error, should not happens");
@ -493,6 +539,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
protected void onPostExecute(HashSet<AppWidgetAttribute> widgets) {
// 更新相关小部件
if (widgets != null) {
for (AppWidgetAttribute widget : widgets) {
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
@ -506,6 +553,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute();
}
/**
* 删除文件夹
*/
private void deleteFolder(long folderId) {
if (folderId == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Wrong folder id, should not happen " + folderId);
@ -514,15 +564,17 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
HashSet<Long> ids = new HashSet<Long>();
ids.add(folderId);
// 获取文件夹中笔记关联的小部件
HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver,
folderId);
if (!isSyncMode()) {
// if not synced, delete folder directly
// 非同步模式下直接删除文件夹
DataUtils.batchDeleteNotes(mContentResolver, ids);
} else {
// in sync mode, we'll move the deleted folder into the trash folder
// 同步模式下将删除的文件夹移动到废纸篓
DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
}
// 更新相关小部件
if (widgets != null) {
for (AppWidgetAttribute widget : widgets) {
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
@ -533,6 +585,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 打开笔记详情
*/
private void openNode(NoteItemData data) {
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
@ -540,6 +595,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
}
/**
* 打开文件夹
*/
private void openFolder(NoteItemData data) {
mCurrentFolderId = data.getId();
startAsyncNotesListQuery();
@ -549,6 +607,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} else {
mState = ListEditState.SUB_FOLDER;
}
// 设置标题栏显示文件夹名称
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mTitleBar.setText(R.string.call_record_folder_name);
} else {
@ -557,6 +616,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mTitleBar.setVisibility(View.VISIBLE);
}
/**
* 视图点击事件处理
*/
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_new_note:
@ -567,6 +629,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 显示软键盘
*/
private void showSoftInput() {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
if (inputMethodManager != null) {
@ -574,16 +639,24 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 隐藏软键盘
*/
private void hideSoftInput(View view) {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
}
/**
* 显示创建或修改文件夹对话框
*/
private void showCreateOrModifyFolderDialog(final boolean create) {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
showSoftInput();
// 设置对话框标题和初始文本
if (!create) {
if (mFocusNoteDataItem != null) {
etName.setText(mFocusNoteDataItem.getSnippet());
@ -610,12 +683,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
public void onClick(View v) {
hideSoftInput(etName);
String name = etName.getText().toString();
// 检查文件夹名称是否已存在
if (DataUtils.checkVisibleFolderName(mContentResolver, name)) {
Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name),
Toast.LENGTH_LONG).show();
etName.setSelection(0, etName.length());
return;
}
// 创建或更新文件夹
if (!create) {
if (!TextUtils.isEmpty(name)) {
ContentValues values = new ContentValues();
@ -637,17 +712,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
});
// 根据输入框内容启用/禁用确定按钮
if (TextUtils.isEmpty(etName.getText())) {
positive.setEnabled(false);
}
/**
* When the name edit text is null, disable the positive button
*/
etName.addTextChangedListener(new TextWatcher() {
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// TODO Auto-generated method stub
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (TextUtils.isEmpty(etName.getText())) {
@ -657,15 +727,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
public void afterTextChanged(Editable s) {}
});
}
@Override
public void onBackPressed() {
// 处理返回键，根据当前状态导航到上级目录
switch (mState) {
case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
@ -688,8 +756,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 更新小部件
*/
private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
// 根据小部件类型设置目标类
if (appWidgetType == Notes.TYPE_WIDGET_2X) {
intent.setClass(this, NoteWidgetProvider_2x.class);
} else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
@ -707,6 +779,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
setResult(RESULT_OK, intent);
}
/**
* 文件夹上下文菜单创建监听器
*/
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) {
@ -732,11 +807,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
Log.e(TAG, "The long click data item is null");
return false;
}
// 处理文件夹上下文菜单项点击
switch (item.getItemId()) {
case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem);
break;
case MENU_FOLDER_DELETE:
// 显示删除文件夹确认对话框
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
@ -756,16 +833,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
default:
break;
}
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
menu.clear();
// 根据当前状态加载不同的菜单资源
if (mState == ListEditState.NOTE_LIST) {
getMenuInflater().inflate(R.menu.note_list, menu);
// set sync or sync_cancel
// 设置同步/取消同步菜单项标题
menu.findItem(R.id.menu_sync).setTitle(
GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
} else if (mState == ListEditState.SUB_FOLDER) {
@ -780,6 +857,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// 处理选项菜单点击事件
switch (item.getItemId()) {
case R.id.menu_new_folder: {
showCreateOrModifyFolderDialog(true);
@ -791,6 +869,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
case R.id.menu_sync: {
if (isSyncMode()) {
// 切换同步/取消同步
if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
GTaskSyncService.startSync(this);
} else {
@ -824,10 +903,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true;
}
/**
* 导出笔记到文本文件
*/
private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() {
@Override
protected Integer doInBackground(Void... unused) {
return backup.exportToText();
@ -835,6 +916,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
protected void onPostExecute(Integer result) {
// 显示导出结果
if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(NotesListActivity.this
@ -862,26 +944,34 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.show();
}
}
}.execute();
}
/**
* 判断是否处于同步模式
*/
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
/**
* 启动偏好设置活动
*/
private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1);
}
/**
* 列表项点击监听器
*/
private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) {
NoteItemData item = ((NotesListItem) view).getItemData();
if (mNotesListAdapter.isInChoiceMode()) {
// 多选模式下处理选中状态
if (item.getType() == Notes.TYPE_NOTE) {
position = position - mNotesListView.getHeaderViewsCount();
mModeCallBack.onItemCheckedStateChanged(null, position, id,
@ -890,6 +980,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return;
}
// 根据当前状态处理不同类型的项点击
switch (mState) {
case NOTE_LIST:
if (item.getType() == Notes.TYPE_FOLDER
@ -914,11 +1005,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
}
}
/**
* 启动目标文件夹查询
*/
private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
// 根据当前状态调整查询条件
selection = (mState == ListEditState.NOTE_LIST) ? selection:
"(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
@ -935,10 +1029,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
NoteColumns.MODIFIED_DATE + " DESC");
}
/**
* 列表项长按事件处理
*/
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData();
if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
// 启动多选操作模式
if (mNotesListView.startActionMode(mModeCallBack) != null) {
mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
@ -946,9 +1044,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
Log.e(TAG, "startActionMode fails");
}
} else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
// 为文件夹设置上下文菜单
mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
}
}
return false;
}
}
}

76
Notes-master/src/net/micode/notes/ui/NotesListAdapter.java
Unescape View File

@ -30,19 +30,28 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
/**
* 笔记列表适配器，用于将笔记数据绑定到ListView上
* 支持多选模式和小部件属性管理
*/
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount;
private boolean mChoiceMode;
private Context mContext; // 上下文环境
private HashMap<Integer, Boolean> mSelectedIndex; // 选中项的索引映射
private int mNotesCount; // 笔记数量
private boolean mChoiceMode; // 是否处于多选模式
/**
* 小部件属性类，用于存储与笔记关联的小部件信息
*/
public static class AppWidgetAttribute {
public int widgetId;
public int widgetType;
public int widgetId; // 小部件ID
public int widgetType; // 小部件类型
};
/**
* 构造函数
*/
public NotesListAdapter(Context context) {
super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>();
@ -50,11 +59,17 @@ public class NotesListAdapter extends CursorAdapter {
mNotesCount = 0;
}
/**
* 创建新的列表项视图
*/
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context);
}
/**
* 将数据绑定到列表项视图
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) {
@ -64,24 +79,37 @@ public class NotesListAdapter extends CursorAdapter {
}
}
/**
* 设置指定位置的项的选中状态
*/
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked);
notifyDataSetChanged();
}
/**
* 判断是否处于多选模式
*/
public boolean isInChoiceMode() {
return mChoiceMode;
}
/**
* 设置多选模式
*/
public void setChoiceMode(boolean mode) {
mSelectedIndex.clear();
mChoiceMode = mode;
}
/**
* 全选或取消全选所有笔记项
*/
public void selectAll(boolean checked) {
Cursor cursor = getCursor();
for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) {
// 只处理笔记类型的项，不处理文件夹等其他类型
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
setCheckedItem(i, checked);
}
@ -89,6 +117,9 @@ public class NotesListAdapter extends CursorAdapter {
}
}
/**
* 获取所有选中项的ID集合
*/
public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>();
for (Integer position : mSelectedIndex.keySet()) {
@ -101,10 +132,12 @@ public class NotesListAdapter extends CursorAdapter {
}
}
}
return itemSet;
}
/**
* 获取所有选中项关联的小部件属性集合
*/
public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) {
@ -116,9 +149,7 @@ public class NotesListAdapter extends CursorAdapter {
widget.widgetId = item.getWidgetId();
widget.widgetType = item.getWidgetType();
itemSet.add(widget);
/**
* Don't close cursor here, only the adapter could close it
*/
// 注意：不要在这里关闭cursor，只有适配器可以关闭它
} else {
Log.e(TAG, "Invalid cursor");
return null;
@ -128,6 +159,9 @@ public class NotesListAdapter extends CursorAdapter {
return itemSet;
}
/**
* 获取选中项的数量
*/
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();
if (null == values) {
@ -143,11 +177,17 @@ public class NotesListAdapter extends CursorAdapter {
return count;
}
/**
* 判断是否所有笔记项都被选中
*/
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);
}
/**
* 判断指定位置的项是否被选中
*/
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
@ -155,23 +195,33 @@ public class NotesListAdapter extends CursorAdapter {
return mSelectedIndex.get(position);
}
/**
* 当内容发生变化时调用
*/
@Override
protected void onContentChanged() {
super.onContentChanged();
calcNotesCount();
}
/**
* 更改游标时调用
*/
@Override
public void changeCursor(Cursor cursor) {
super.changeCursor(cursor);
calcNotesCount();
}
/**
* 计算笔记数量
*/
private void calcNotesCount() {
mNotesCount = 0;
for (int i = 0; i < getCount(); i++) {
Cursor c = (Cursor) getItem(i);
if (c != null) {
// 只计算笔记类型的项
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++;
}
@ -181,4 +231,4 @@ public class NotesListAdapter extends CursorAdapter {
}
}
}
}
}

58
Notes-master/src/net/micode/notes/ui/NotesListItem.java
Unescape View File

@ -29,18 +29,27 @@ import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
/**
* 笔记列表项视图类，负责渲染笔记列表中的单个项目
* 支持显示不同类型的笔记（普通笔记、文件夹、通话记录）
* 支持多选模式下显示复选框
*/
public class NotesListItem extends LinearLayout {
private ImageView mAlert;
private TextView mTitle;
private TextView mTime;
private TextView mCallName;
private NoteItemData mItemData;
private CheckBox mCheckBox;
private ImageView mAlert; // 提醒图标
private TextView mTitle; // 标题文本
private TextView mTime; // 时间文本
private TextView mCallName; // 通话记录联系人名称
private NoteItemData mItemData; // 笔记数据
private CheckBox mCheckBox; // 多选模式下的复选框
/**
* 构造函数，初始化视图组件
*/
public NotesListItem(Context context) {
super(context);
// 加载布局文件
inflate(context, R.layout.note_item, this);
// 获取各视图组件引用
mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time);
@ -48,7 +57,16 @@ public class NotesListItem extends LinearLayout {
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
}
/**
* 绑定数据到视图
*
* @param context 上下文
* @param data 笔记数据
* @param choiceMode 是否处于多选模式
* @param checked 该项是否被选中
*/
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
// 处理多选模式下的复选框显示
if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setChecked(checked);
@ -57,7 +75,10 @@ public class NotesListItem extends LinearLayout {
}
mItemData = data;
// 根据笔记类型设置不同的显示内容和样式
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
// 通话记录文件夹特殊处理
mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
@ -65,10 +86,12 @@ public class NotesListItem extends LinearLayout {
+ context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record);
} else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
// 通话记录笔记特殊处理
mCallName.setVisibility(View.VISIBLE);
mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
// 显示提醒图标（如果有提醒）
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
@ -80,12 +103,15 @@ public class NotesListItem extends LinearLayout {
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
if (data.getType() == Notes.TYPE_FOLDER) {
// 文件夹显示样式
mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count,
data.getNotesCount()));
mAlert.setVisibility(View.GONE);
} else {
// 普通笔记显示样式
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
// 显示提醒图标（如果有提醒）
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
@ -94,29 +120,45 @@ public class NotesListItem extends LinearLayout {
}
}
}
// 设置修改时间，使用相对时间格式（如"2小时前"）
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
// 设置背景样式
setBackground(data);
}
/**
* 根据笔记类型和位置设置背景样式
*/
private void setBackground(NoteItemData data) {
int id = data.getBgColorId();
if (data.getType() == Notes.TYPE_NOTE) {
// 根据笔记在列表中的位置和状态设置不同的背景
if (data.isSingle() || data.isOneFollowingFolder()) {
// 单独的笔记或后面跟着文件夹的笔记
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) {
// 列表中的最后一个笔记
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) {
// 列表中的第一个笔记或后面跟着多个文件夹的笔记
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
} else {
// 普通位置的笔记
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
}
} else {
// 文件夹使用特定的背景
setBackgroundResource(NoteItemBgResources.getFolderBgRes());
}
}
/**
* 获取绑定的笔记数据
*/
public NoteItemData getItemData() {
return mItemData;
}
}
}

118
Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java
Unescape View File

@ -47,53 +47,57 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
/**
* 笔记应用的设置界面，提供同步账户管理和手动同步功能
*/
public class NotesPreferenceActivity extends PreferenceActivity {
public static final String PREFERENCE_NAME = "notes_preferences";
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
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 AUTHORITIES_FILTER_KEY = "authorities";
private PreferenceCategory mAccountCategory;
private GTaskReceiver mReceiver;
private Account[] mOriAccounts;
private boolean mHasAddedAccount;
public static final String PREFERENCE_NAME = "notes_preferences"; // 偏好设置文件名
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; // 同步账户名键值
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; // 上次同步时间键值
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; // 背景颜色设置键值
private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; // 同步账户设置分类键值
private static final String AUTHORITIES_FILTER_KEY = "authorities"; // 账户类型过滤键值
private PreferenceCategory mAccountCategory; // 账户设置分类
private GTaskReceiver mReceiver; // 同步状态广播接收器
private Account[] mOriAccounts; // 原始账户列表
private boolean mHasAddedAccount; // 是否已添加新账户标志
/**
* 活动创建时调用，初始化界面和数据
*/
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
/* using the app icon for navigation */
// 设置ActionBar支持返回导航
getActionBar().setDisplayHomeAsUpEnabled(true);
// 加载设置XML布局
addPreferencesFromResource(R.xml.preferences);
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
mReceiver = new GTaskReceiver();
// 注册广播接收器，监听同步服务状态变化
IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter);
mOriAccounts = null;
// 添加设置页面头部视图
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
getListView().addHeaderView(header, null, true);
}
/**
* 活动恢复时调用，刷新界面和处理账户变化
*/
@Override
protected void onResume() {
super.onResume();
// need to set sync account automatically if user has added a new
// account
// 如果用户添加了新账户，自动设置为同步账户
if (mHasAddedAccount) {
Account[] accounts = getGoogleAccounts();
if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
@ -116,6 +120,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
refreshUI();
}
/**
* 活动销毁时调用，释放资源
*/
@Override
protected void onDestroy() {
if (mReceiver != null) {
@ -124,6 +131,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
super.onDestroy();
}
/**
* 加载账户设置选项
*/
private void loadAccountPreference() {
mAccountCategory.removeAll();
@ -135,11 +145,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
public boolean onPreferenceClick(Preference preference) {
if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account
// 首次设置账户
showSelectAccountAlertDialog();
} else {
// if the account has already been set, we need to promp
// user about the risk
// 已设置账户，提示用户更改风险
showChangeAccountConfirmAlertDialog();
}
} else {
@ -154,11 +163,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
mAccountCategory.addPreference(accountPref);
}
/**
* 加载同步按钮和同步状态
*/
private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
// set button state
// 设置同步按钮状态
if (GTaskSyncService.isSyncing()) {
syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() {
@ -176,7 +188,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
// set last sync time
// 设置上次同步时间显示
if (GTaskSyncService.isSyncing()) {
lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE);
@ -193,14 +205,21 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 刷新设置界面
*/
private void refreshUI() {
loadAccountPreference();
loadSyncButton();
}
/**
* 显示选择账户对话框
*/
private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// 设置自定义标题
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
@ -216,6 +235,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
mOriAccounts = accounts;
mHasAddedAccount = false;
// 如果有可用账户，显示账户列表
if (accounts.length > 0) {
CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items;
@ -237,6 +257,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
});
}
// 添加"添加账户"选项
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView);
@ -254,9 +275,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
});
}
/**
* 显示更改账户确认对话框
*/
private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// 设置自定义标题
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
@ -265,6 +290,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
dialogBuilder.setCustomTitle(titleView);
// 显示操作选项
CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account),
@ -283,11 +309,17 @@ public class NotesPreferenceActivity extends PreferenceActivity {
dialogBuilder.show();
}
/**
* 获取设备上的Google账户列表
*/
private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google");
}
/**
* 设置同步账户
*/
private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
@ -299,10 +331,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
editor.commit();
// clean up last sync time
// 清除上次同步时间
setLastSyncTime(this, 0);
// clean up local gtask related info
// 清除本地与Google Tasks相关的信息
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -318,6 +350,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 移除同步账户
*/
private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
@ -329,7 +364,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
editor.commit();
// clean up local gtask related info
// 清除本地与Google Tasks相关的信息
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -340,12 +375,18 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}).start();
}
/**
* 获取当前设置的同步账户名
*/
public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
/**
* 设置上次同步时间
*/
public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
@ -354,12 +395,18 @@ public class NotesPreferenceActivity extends PreferenceActivity {
editor.commit();
}
/**
* 获取上次同步时间
*/
public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}
/**
* 同步服务状态广播接收器
*/
private class GTaskReceiver extends BroadcastReceiver {
@Override
@ -370,13 +417,16 @@ public class NotesPreferenceActivity extends PreferenceActivity {
syncStatus.setText(intent
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
}
}
}
/**
* 处理选项菜单点击事件
*/
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// 返回笔记列表
Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
@ -385,4 +435,4 @@ public class NotesPreferenceActivity extends PreferenceActivity {
return false;
}
}
}
}

85
Notes-master/src/net/micode/notes/widget/NoteWidgetProvider.java
Unescape View File

@ -15,6 +15,7 @@
*/
package net.micode.notes.widget;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
@ -32,23 +33,39 @@ import net.micode.notes.tool.ResourceParser;
import net.micode.notes.ui.NoteEditActivity;
import net.micode.notes.ui.NotesListActivity;
/**
* 便签小部件提供者的抽象基类，为不同类型的便签小部件提供公共功能
* 该类继承自AppWidgetProvider，处理小部件的生命周期事件和更新逻辑
*/
public abstract class NoteWidgetProvider extends AppWidgetProvider {
// 查询便签数据时使用的投影列，定义了需要从数据库中获取的字段
public static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.BG_COLOR_ID,
NoteColumns.SNIPPET
NoteColumns.ID, // 便签ID
NoteColumns.BG_COLOR_ID, // 背景颜色ID
NoteColumns.SNIPPET // 便签摘要内容
};
// 投影列的索引常量，用于快速访问查询结果中的特定列
public static final int COLUMN_ID = 0;
public static final int COLUMN_BG_COLOR_ID = 1;
public static final int COLUMN_SNIPPET = 2;
private static final String TAG = "NoteWidgetProvider";
/**
* 当一个或多个小部件被删除时调用
* 该方法会更新数据库，将被删除小部件关联的便签的widget_id字段设为无效值
*
* @param context 应用上下文
* @param appWidgetIds 被删除的小部件ID数组
*/
@Override
public void onDeleted(Context context, int[] appWidgetIds) {
// 创建ContentValues对象，用于更新数据库
ContentValues values = new ContentValues();
values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
// 遍历所有被删除的小部件ID，更新关联便签的widget_id
for (int i = 0; i < appWidgetIds.length; i++) {
context.getContentResolver().update(Notes.CONTENT_NOTE_URI,
values,
@ -57,6 +74,13 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
}
}
/**
* 根据小部件ID从数据库获取关联便签的信息
*
* @param context 应用上下文
* @param widgetId 小部件ID
* @return 返回包含便签信息的Cursor对象
*/
private Cursor getNoteWidgetInfo(Context context, int widgetId) {
return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
@ -65,68 +89,121 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
null);
}
/**
* 更新小部件内容（默认非隐私模式）
* 这是一个便捷方法，内部调用完整的update方法
*
* @param context 应用上下文
* @param appWidgetManager 小部件管理器
* @param appWidgetIds 需要更新的小部件ID数组
*/
protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
update(context, appWidgetManager, appWidgetIds, false);
}
/**
* 更新小部件内容的完整方法
* 根据小部件ID从数据库获取关联便签的信息，然后更新小部件UI
*
* @param context 应用上下文
* @param appWidgetManager 小部件管理器
* @param appWidgetIds 需要更新的小部件ID数组
* @param privacyMode 是否处于隐私模式
*/
private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
boolean privacyMode) {
// 遍历所有需要更新的小部件ID
for (int i = 0; i < appWidgetIds.length; i++) {
if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {
// 设置默认背景和内容
int bgId = ResourceParser.getDefaultBgId(context);
String snippet = "";
// 创建用于启动便签编辑界面的Intent
Intent intent = new Intent(context, NoteEditActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);
intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());
// 查询与小部件关联的便签信息
Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
if (c != null && c.moveToFirst()) {
// 检查是否存在多个便签关联到同一个小部件ID（异常情况）
if (c.getCount() > 1) {
Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]);
c.close();
return;
}
// 从Cursor中获取便签内容和背景颜色
snippet = c.getString(COLUMN_SNIPPET);
bgId = c.getInt(COLUMN_BG_COLOR_ID);
// 设置Intent参数，用于查看现有便签
intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID));
intent.setAction(Intent.ACTION_VIEW);
} else {
// 如果没有关联便签，设置默认提示信息
snippet = context.getResources().getString(R.string.widget_havenot_content);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
}
// 关闭Cursor释放资源
if (c != null) {
c.close();
}
// 创建RemoteViews对象，用于更新小部件UI
RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId());
rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId));
intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
/**
* Generate the pending intent to start host for the widget
* 生成用于启动便签编辑界面的PendingIntent
*/
PendingIntent pendingIntent = null;
if (privacyMode) {
// 隐私模式下显示提示信息，点击跳转到便签列表
rv.setTextViewText(R.id.widget_text,
context.getString(R.string.widget_under_visit_mode));
pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent(
context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT);
} else {
// 正常模式下显示便签内容，点击跳转到便签编辑界面
rv.setTextViewText(R.id.widget_text, snippet);
pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent,
PendingIntent.FLAG_UPDATE_CURRENT);
}
// 设置点击事件，并更新小部件
rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);
appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
}
}
}
/**
* 根据背景颜色ID获取对应的资源ID
* 由子类实现，用于定义不同类型小部件的背景资源映射
*
* @param bgId 背景颜色ID
* @return 对应的资源ID
*/
protected abstract int getBgResourceId(int bgId);
/**
* 获取小部件的布局ID
* 由子类实现，用于指定不同类型小部件的布局文件
*
* @return 布局资源ID
*/
protected abstract int getLayoutId();
/**
* 获取小部件类型
* 由子类实现，用于标识不同类型的小部件
*
* @return 小部件类型
*/
protected abstract int getWidgetType();
}

33
Notes-master/src/net/micode/notes/widget/NoteWidgetProvider_2x.java
Unescape View File

@ -23,23 +23,54 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.ResourceParser;
/**
* 2x尺寸便签小部件的提供者实现类
* 继承自NoteWidgetProvider，负责管理和更新2x大小的桌面便签小部件
*/
public class NoteWidgetProvider_2x extends NoteWidgetProvider {
/**
* 小部件更新回调方法
* 当小部件需要更新时被系统调用，调用父类的update方法处理更新逻辑
*
* @param context 应用上下文
* @param appWidgetManager 小部件管理器
* @param appWidgetIds 需要更新的小部件ID数组
*/
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 调用父类的update方法处理小部件更新
super.update(context, appWidgetManager, appWidgetIds);
}
/**
* 获取小部件的布局ID
* 定义2x尺寸小部件使用的布局文件
*
* @return 2x尺寸小部件的布局资源ID
*/
@Override
protected int getLayoutId() {
return R.layout.widget_2x;
}
/**
* 根据背景颜色ID获取对应的资源ID
* 根据便签的背景颜色ID，返回2x尺寸小部件对应的背景资源
*
* @param bgId 背景颜色ID
* @return 对应的背景资源ID
*/
@Override
protected int getBgResourceId(int bgId) {
return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
}
/**
* 获取小部件类型
* 返回表示2x尺寸小部件的类型常量
*
* @return 小部件类型常量
*/
@Override
protected int getWidgetType() {
return Notes.TYPE_WIDGET_2X;

36
Notes-master/src/net/micode/notes/widget/NoteWidgetProvider_4x.java
Unescape View File

@ -23,24 +23,58 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.ResourceParser;
/**
* 4x尺寸便签小部件的提供者实现类
* 继承自NoteWidgetProvider，负责管理和更新4x大小的桌面便签小部件
*/
public class NoteWidgetProvider_4x extends NoteWidgetProvider {
/**
* 小部件更新回调方法
* 当小部件需要更新时被系统调用，调用父类的update方法处理更新逻辑
*
* @param context 应用上下文
* @param appWidgetManager 小部件管理器
* @param appWidgetIds 需要更新的小部件ID数组
*/
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 调用父类的update方法处理小部件更新
super.update(context, appWidgetManager, appWidgetIds);
}
/**
* 获取小部件的布局ID
* 定义4x尺寸小部件使用的布局文件
*
* @return 4x尺寸小部件的布局资源ID
*/
@Override
protected int getLayoutId() {
return R.layout.widget_4x;
}
/**
* 根据背景颜色ID获取对应的资源ID
* 根据便签的背景颜色ID，返回4x尺寸小部件对应的背景资源
*
* @param bgId 背景颜色ID
* @return 对应的背景资源ID
*/
@Override
protected int getBgResourceId(int bgId) {
return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
}
/**
* 获取小部件类型
* 返回表示4x尺寸小部件的类型常量
*
* @return 小部件类型常量
*/
@Override
protected int getWidgetType() {
return Notes.TYPE_WIDGET_4X;
}
}

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