注释代码

main
wyn 1 year ago
parent 3e8a174f38
commit fac3fa54c4

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package net.micode.notes.ui;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnDismissListener;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.PowerManager;
import android.provider.Settings;
import android.view.Window;
import android.view.WindowManager;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import java.io.IOException;
// 闹钟提醒活动类,用于显示闹钟提醒并播放提醒声音
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
// 笔记ID
private long mNoteId;
// 笔记片段
private String mSnippet;
// 预览片段的最大长度
private static final int SNIPPET_PREW_MAX_LEN = 60;
// 媒体播放器,用于播放提醒声音
MediaPlayer mPlayer;
// 活动创建时调用
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 设置无标题栏
requestWindowFeature(Window.FEATURE_NO_TITLE);
final Window win = getWindow();
// 设置在锁屏时也显示
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
// 如果屏幕未点亮,添加保持屏幕亮起等相关标志
if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
}
Intent intent = getIntent();
try {
// 从意图中获取笔记ID
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
// 根据笔记ID获取笔记片段
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
// 如果片段长度超过最大预览长度,截断并添加提示信息
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet;
} catch (IllegalArgumentException e) {
e.printStackTrace();
return;
}
mPlayer = new MediaPlayer();
// 如果笔记在数据库中可见(类型为笔记且不在回收站),则显示操作对话框并播放提醒声音
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
showActionDialog();
playAlarmSound();
} else {
// 否则结束活动
finish();
}
}
// 判断屏幕是否点亮
private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
}
// 播放提醒声音
private void playAlarmSound() {
// 获取默认闹钟铃声的Uri
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
// 根据静音模式设置音频流类型
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM))!= 0) {
mPlayer.setAudioStreamType(silentModeStreams);
} else {
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
}
try {
// 设置媒体播放器的数据源为铃声Uri
mPlayer.setDataSource(this, url);
// 准备播放
mPlayer.prepare();
// 设置循环播放
mPlayer.setLooping(true);
// 开始播放
mPlayer.start();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
// 显示操作对话框
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);
// 设置对话框消息为笔记片段
dialog.setMessage(mSnippet);
// 设置确定按钮
dialog.setPositiveButton(R.string.notealert_ok, this);
// 如果屏幕点亮,设置进入按钮
if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this);
}
// 显示对话框并设置对话框关闭监听器
dialog.show().setOnDismissListener(this);
}
// 对话框按钮点击事件处理
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEGATIVE:
// 点击进入按钮启动笔记编辑活动并传递笔记ID
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, mNoteId);
startActivity(intent);
break;
default:
break;
}
}
// 对话框关闭事件处理
public void onDismiss(DialogInterface dialog) {
// 停止播放提醒声音并结束活动
stopAlarmSound();
finish();
}
// 停止播放提醒声音
private void stopAlarmSound() {
if (mPlayer!= null) {
mPlayer.stop();
mPlayer.release();
mPlayer = null;
}
}
}

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package net.micode.notes.ui;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
// 闹钟初始化接收器类,用于在系统启动或其他合适时机初始化闹钟提醒
public class AlarmInitReceiver extends BroadcastReceiver {
// 查询笔记ID和提醒日期的投影
private static final String[] PROJECTION = new String[]{
NoteColumns.ID,
NoteColumns.ALERTED_DATE
};
// 投影中ID列的索引
private static final int COLUMN_ID = 0;
// 投影中提醒日期列的索引
private static final int COLUMN_ALERTED_DATE = 1;
// 当接收到广播时调用
@Override
public void onReceive(Context context, Intent intent) {
// 获取当前时间
long currentDate = System.currentTimeMillis();
// 查询数据库中提醒日期大于当前时间且类型为笔记的记录
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[]{String.valueOf(currentDate)},
null);
if (c!= null) {
if (c.moveToFirst()) {
do {
// 获取提醒日期
long alertDate = c.getLong(COLUMN_ALERTED_DATE);
// 创建一个意图用于启动AlarmReceiver
Intent sender = new Intent(context, AlarmReceiver.class);
// 设置意图的数据为当前笔记的Uri
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
// 创建一个PendingIntent用于发送广播
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
// 获取AlarmManager系统服务
AlarmManager alermManager = (AlarmManager) context
.getSystemService(Context.ALARM_SERVICE);
// 设置闹钟,在提醒日期触发广播
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
} while (c.moveToNext());
}
c.close();
}
}
}

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package net.micode.notes.ui;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
// 闹钟接收者类,用于接收闹钟触发的广播并启动闹钟提醒活动
public class AlarmReceiver extends BroadcastReceiver {
// 当接收到广播时调用
@Override
public void onReceive(Context context, Intent intent) {
// 设置意图的目标活动为AlarmAlertActivity即闹钟提醒页面
intent.setClass(context, AlarmAlertActivity.class);
// 添加新任务标志,确保活动在新的任务栈中启动
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// 启动活动,显示闹钟提醒
context.startActivity(intent);
}
}

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package net.micode.notes.tool;
import android.content.Context;
import android.database.Cursor;
import android.os.Environment;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
// 备份工具类,用于将笔记数据导出为文本文件
public class BackupUtils {
private static final String TAG = "BackupUtils";
// 单例模式相关
private static BackupUtils sInstance;
// 获取单例实例
public static synchronized BackupUtils getInstance(Context context) {
if (sInstance == null) {
sInstance = new BackupUtils(context);
}
return sInstance;
}
// 定义备份或恢复操作的状态常量
// SD卡未挂载
public static final int STATE_SD_CARD_UNMOUONTED = 0;
// 备份文件不存在
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
// 数据格式不正确,可能被其他程序修改
public static final int STATE_DATA_DESTROIED = 2;
// 系统运行时异常导致备份或恢复失败
public static final int STATE_SYSTEM_ERROR = 3;
// 备份或恢复成功
public static final int STATE_SUCCESS = 4;
private TextExport mTextExport;
// 私有构造函数初始化TextExport实例
private BackupUtils(Context context) {
mTextExport = new TextExport(context);
}
// 检查外部存储是否可用
private static boolean externalStorageAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
}
// 导出笔记数据为文本文件调用TextExport的exportToText方法
public int exportToText() {
return mTextExport.exportToText();
}
// 获取导出的文本文件名
public String getExportedTextFileName() {
return mTextExport.mFileName;
}
// 获取导出的文本文件目录
public String getExportedTextFileDir() {
return mTextExport.mFileDirectory;
}
// 内部类,用于处理文本导出的具体操作
private static class TextExport {
// 查询笔记的投影包括ID、修改日期、片段和类型
private static final String[] NOTE_PROJECTION = {
NoteColumns.ID,
NoteColumns.MODIFIED_DATE,
NoteColumns.SNIPPET,
NoteColumns.TYPE
};
// 笔记投影中ID列的索引
private static final int NOTE_COLUMN_ID = 0;
// 笔记投影中修改日期列的索引
private static final int NOTE_COLUMN_MODIFIED_DATE = 1;
// 笔记投影中片段列的索引
private static final int NOTE_COLUMN_SNIPPET = 2;
// 查询数据的投影包括内容、MIME类型、数据1、数据2、数据3、数据4
private static final String[] DATA_PROJECTION = {
DataColumns.CONTENT,
DataColumns.MIME_TYPE,
DataColumns.DATA1,
DataColumns.DATA2,
DataColumns.DATA3,
DataColumns.DATA4,
};
// 数据投影中内容列的索引
private static final int DATA_COLUMN_CONTENT = 0;
// 数据投影中MIME类型列的索引
private static final int DATA_COLUMN_MIME_TYPE = 1;
// 数据投影中通话日期列的索引假设为DATA1
private static final int DATA_COLUMN_CALL_DATE = 2;
// 数据投影中电话号码列的索引假设为DATA3
private static final int DATA_COLUMN_PHONE_NUMBER = 4;
// 用于格式化导出文本的格式数组
private final String[] TEXT_FORMAT;
// 格式化数组中文件夹名称的索引
private static final int FORMAT_FOLDER_NAME = 0;
// 格式化数组中笔记日期的索引
private static final int FORMAT_NOTE_DATE = 1;
// 格式化数组中笔记内容的索引
private static final int FORMAT_NOTE_CONTENT = 2;
private Context mContext;
private String mFileName;
private String mFileDirectory;
// 构造函数,初始化相关变量
public TextExport(Context context) {
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context;
mFileName = "";
mFileDirectory = "";
}
// 根据索引获取格式化字符串
private String getFormat(int id) {
return TEXT_FORMAT[id];
}
// 将指定文件夹及其笔记导出为文本打印到PrintStream
private void exportFolderToText(String folderId, PrintStream ps) {
// 查询属于该文件夹的笔记
Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[]{
folderId
}, null);
if (notesCursor!= null) {
if (notesCursor.moveToFirst()) {
do {
// 打印笔记的最后修改日期
ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm),
notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
// 查询属于该笔记的数据
String noteId = notesCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (notesCursor.moveToNext());
}
notesCursor.close();
}
}
// 将指定笔记导出为文本打印到PrintStream
private void exportNoteToText(String noteId, PrintStream ps) {
Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,
DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[]{
noteId
}, null);
if (dataCursor!= null) {
if (dataCursor.moveToFirst()) {
do {
String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
if (DataConstants.CALL_NOTE.equals(mimeType)) {
// 打印电话号码
String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
String location = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(phoneNumber)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
phoneNumber));
}
// 打印通话日期
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat
.format(mContext.getString(R.string.format_datetime_mdhm),
callDate)));
// 打印通话附件位置
if (!TextUtils.isEmpty(location)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
location));
}
} else if (DataConstants.NOTE.equals(mimeType)) {
String content = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(content)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
content));
}
}
} while (dataCursor.moveToNext());
}
dataCursor.close();
}
// 在笔记之间打印换行符
try {
ps.write(new byte[]{
Character.LINE_SEPARATOR, Character.LETTER_NUMBER
});
} catch (IOException e) {
Log.e(TAG, e.toString());
}
}
// 将笔记导出为用户可读的文本
public int exportToText() {
if (!externalStorageAvailable()) {
Log.d(TAG, "Media was not mounted");
return STATE_SD_CARD_UNMOUONTED;
}
PrintStream ps = getExportToTextPrintStream();
if (ps == null) {
Log.e(TAG, "get print stream error");
return STATE_SYSTEM_ERROR;
}
// 首先导出文件夹及其笔记
Cursor folderCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
"(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND "
+ NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR "
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null);
if (folderCursor!= null) {
if (folderCursor.moveToFirst()) {
do {
// 打印文件夹名称
String folderName = "";
if (folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {
folderName = mContext.getString(R.string.call_record_folder_name);
} else {
folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
}
if (!TextUtils.isEmpty(folderName)) {
ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
}
String folderId = folderCursor.getString(NOTE_COLUMN_ID);
exportFolderToText(folderId, ps);
} while (folderCursor.moveToNext());
}
folderCursor.close();
}
// 导出根文件夹中的笔记
Cursor noteCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
NoteColumns.TYPE + "=" + +Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID
+ "=0", null, null);
if (noteCursor!= null) {
if (noteCursor.moveToFirst()) {
do {
ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm),
noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
// 查询属于该笔记的数据
String noteId = noteCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (noteCursor.moveToNext());
}
noteCursor.close();
}
ps.close();
return STATE_SUCCESS;
}
// 获取指向导出文本文件的PrintStream
private PrintStream getExportToTextPrintStream() {
File file = generateFileMountedOnSDcard(mContext, R.string.file_path,
R.string.file_name_txt_format);
if (file == null) {
Log.e(TAG, "create file to exported failed");
return null;
}
mFileName = file.getName();
mFileDirectory = mContext.getString(R.string.file_path);
PrintStream ps = null;
try {
FileOutputStream fos = new FileOutputStream(file);
ps = new PrintStream(fos);
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} catch (NullPointerException e) {
e.printStackTrace();
return null;
}
return ps;
}
}
// 在SD卡上生成用于存储导入数据的文本文件
private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
StringBuilder sb = new StringBuilder();
sb.append(Environment.getExternalStorageDirectory());
sb.append(context.getString(filePathResId));
File filedir = new File(sb.toString());
sb.append(context.getString(
fileNameFormatResId,
DateFormat.format(context.getString(R.string.format_date_ymd),
System.currentTimeMillis())));
File file = new File(sb.toString());
try {
if (!filedir.exists()) {
filedir.mkdir();
}
if (!file.exists()) {
file.createNewFile();
}
return file;
} catch (SecurityException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}

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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.content.Context;
import android.database.Cursor;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Data;
import android.telephony.PhoneNumberUtils;
import android.util.Log;
import java.util.HashMap;
public class Contact {
// 静态缓存,用于存储已查询过的电话号码和对应的联系人姓名
private static HashMap<String, String> sContactCache;
// 日志标签
private static final String TAG = "Contact";
// SQL查询语句模板用于根据电话号码查找联系人
private static final String CALLER_ID_SELECTION =
"PHONE_NUMBERS_EQUAL(" + Phone.NUMBER + ",?) AND " +
Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" +
" AND " + Data.RAW_CONTACT_ID + " IN " +
"(SELECT raw_contact_id " +
" FROM phone_lookup" +
" WHERE min_match = '+')";
/**
*
*
* @param context
* @param phoneNumber
* @return null
*/
public static String getContact(Context context, String phoneNumber) {
// 初始化缓存
if (sContactCache == null) {
sContactCache = new HashMap<String, String>();
}
// 如果缓存中已有该电话号码的记录,则直接返回缓存中的联系人姓名
if (sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber);
}
// 根据电话号码生成SQL查询语句
String selection = CALLER_ID_SELECTION.replace("+", PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
// 查询联系人数据库,获取对应的联系人姓名
Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI, // 查询的URI
new String[] { Phone.DISPLAY_NAME }, // 查询的列
selection, // 查询条件
new String[] { phoneNumber }, // 查询条件的参数
null // 排序方式
);
// TODO: 此处应添加处理查询结果并更新缓存的代码
// 注意在实际使用中需要确保cursor被正确关闭以避免资源泄露
// 例如可以在finally块中调用cursor.close()
return null; // 如果没有找到对应的联系人则返回null
}
}

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package net.micode.notes.tool;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.os.RemoteException;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import java.util.ArrayList;
import java.util.HashSet;
// 数据工具类,提供各种与笔记数据处理相关的方法
public class DataUtils {
public static final String TAG = "DataUtils";
// 批量删除笔记的方法
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
if (ids.size() == 0) {
Log.d(TAG, "no id is in the hashset");
return true;
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
// 不允许删除系统根文件夹
if (id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
}
// 创建删除操作的构建器
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
operationList.add(builder.build());
}
try {
// 执行批量操作
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
return false;
}
// 将笔记移动到指定文件夹的方法
public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
ContentValues values = new ContentValues();
values.put(NoteColumns.PARENT_ID, desFolderId);
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
// 更新笔记的父文件夹ID等信息
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
}
// 批量将笔记移动到指定文件夹的方法
public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
long folderId) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
// 创建更新操作的构建器
ContentProviderOperation.Builder builder = ContentProviderOperation
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
builder.withValue(NoteColumns.PARENT_ID, folderId);
builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
operationList.add(builder.build());
}
try {
// 执行批量操作
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
return false;
}
// 获取除系统文件夹外的所有文件夹数量的方法
public static int getUserFolderCount(ContentResolver resolver) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String[]{"COUNT(*)"},
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[]{String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
null);
int count = 0;
if (cursor!= null) {
if (cursor.moveToFirst()) {
try {
count = cursor.getInt(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "get folder count failed:" + e.toString());
} finally {
cursor.close();
}
}
}
return count;
}
// 检查笔记是否在笔记数据库中可见(非回收站且类型匹配)的方法
public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String[]{String.valueOf(type)},
null);
boolean exist = false;
if (cursor!= null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
// 检查笔记是否存在于笔记数据库中的方法
public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null, null, null, null);
boolean exist = false;
if (cursor!= null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
// 检查数据是否存在于数据数据库中的方法
public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
null, null, null, null);
boolean exist = false;
if (cursor!= null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
// 检查文件夹名称是否可见(非回收站且名称唯一)的方法
public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
" AND " + NoteColumns.SNIPPET + "=?",
new String[]{name}, null);
boolean exist = false;
if (cursor!= null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
// 获取指定文件夹中笔记的小部件属性集合的方法
public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
new String[]{NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE},
NoteColumns.PARENT_ID + "=?",
new String[]{String.valueOf(folderId)},
null);
HashSet<AppWidgetAttribute> set = null;
if (c!= null) {
if (c.moveToFirst()) {
set = new HashSet<AppWidgetAttribute>();
do {
try {
AppWidgetAttribute widget = new AppWidgetAttribute();
widget.widgetId = c.getInt(0);
widget.widgetType = c.getInt(1);
set.add(widget);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, e.toString());
}
} while (c.moveToNext());
}
c.close();
}
return set;
}
// 根据笔记ID获取通话号码的方法
public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String[]{CallNote.PHONE_NUMBER},
CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
new String[]{String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE},
null);
if (cursor!= null && cursor.moveToFirst()) {
try {
return cursor.getString(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call number fails " + e.toString());
} finally {
cursor.close();
}
}
return "";
}
// 根据电话号码和通话日期获取笔记ID的方法
public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String[]{CallNote.NOTE_ID},
CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
+ CallNote.PHONE_NUMBER + ",?)",
new String[]{String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber},
null);
if (cursor!= null) {
if (cursor.moveToFirst()) {
try {
return cursor.getLong(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call note id fails " + e.toString());
}
}
cursor.close();
}
return 0;
}
// 根据笔记ID获取笔记片段的方法
public static String getSnippetById(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String[]{NoteColumns.SNIPPET},
NoteColumns.ID + "=?",
new String[]{String.valueOf(noteId)},
null);
if (cursor!= null) {
String snippet = "";
if (cursor.moveToFirst()) {
snippet = cursor.getString(0);
}
cursor.close();
return snippet;
}
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
// 格式化笔记片段的方法,去除首尾空格和换行符
public static String getFormattedSnippet(String snippet) {
if (snippet!= null) {
snippet = snippet.trim();
int index = snippet.indexOf('\n');
if (index!= -1) {
snippet = snippet.substring(0, index);
}
}
return snippet;
}
}

@ -0,0 +1,488 @@
package net.micode.notes.ui;
import java.text.DateFormatSymbols;
import java.util.Calendar;
import net.micode.notes.R;
import android.content.Context;
import android.text.format.DateFormat;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
// 日期时间选择器类继承自FrameLayout用于显示和选择日期时间
public class DateTimePicker extends FrameLayout {
// 默认启用状态
private static final boolean DEFAULT_ENABLE_STATE = true;
// 半天的小时数
private static final int HOURS_IN_HALF_DAY = 12;
// 一天的小时数
private static final int HOURS_IN_ALL_DAY = 24;
// 一周的天数
private static final int DAYS_IN_ALL_WEEK = 7;
// 日期选择器的最小值
private static final int DATE_SPINNER_MIN_VAL = 0;
// 日期选择器的最大值
private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
// 24小时制小时选择器的最小值
private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
// 24小时制小时选择器的最大值
private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
// 12小时制小时选择器的最小值
private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
// 12小时制小时选择器的最大值
private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
// 分钟选择器的最小值
private static final int MINUT_SPINNER_MIN_VAL = 0;
// 分钟选择器的最大值
private static final int MINUT_SPINNER_MAX_VAL = 59;
// AM/PM选择器的最小值
private static final int AMPM_SPINNER_MIN_VAL = 0;
// AM/PM选择器的最大值
private static final int AMPM_SPINNER_MAX_VAL = 1;
// 日期选择器组件
private final NumberPicker mDateSpinner;
// 小时选择器组件
private final NumberPicker mHourSpinner;
// 分钟选择器组件
private final NumberPicker mMinuteSpinner;
// AM/PM选择器组件
private final NumberPicker mAmPmSpinner;
// 当前日期时间
private Calendar mDate;
// 用于显示日期的字符串数组
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
// 是否为上午
private boolean mIsAm;
// 是否为24小时制视图
private boolean mIs24HourView;
// 是否启用
private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
// 是否正在初始化
private boolean mInitialising;
// 日期时间改变监听器
private OnDateTimeChangedListener mOnDateTimeChangedListener;
// 日期选择器值改变监听器
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 根据选择的日期差值更新日期
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
updateDateControl();
onDateTimeChanged();
}
};
// 小时选择器值改变监听器
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false;
Calendar cal = Calendar.getInstance();
if (!mIs24HourView) {
// 12小时制下处理上午/下午切换和日期跨越的情况
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
mIsAm =!mIsAm;
updateAmPmControl();
}
} else {
// 24小时制下处理日期跨越的情况
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
}
// 设置当前小时数
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm? 0 : HOURS_IN_HALF_DAY);
mDate.set(Calendar.HOUR_OF_DAY, newHour);
onDateTimeChanged();
if (isDateChanged) {
// 如果日期改变,更新年、月、日
setCurrentYear(cal.get(Calendar.YEAR));
setCurrentMonth(cal.get(Calendar.MONTH));
setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
}
}
};
// 分钟选择器值改变监听器
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;
// 处理分钟跨越导致小时改变的情况
if (oldVal == maxValue && newVal == minValue) {
offset += 1;
} else if (oldVal == minValue && newVal == maxValue) {
offset -= 1;
}
if (offset!= 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour());
updateDateControl();
int newHour = getCurrentHourOfDay();
if (newHour >= HOURS_IN_HALF_DAY) {
mIsAm = false;
updateAmPmControl();
} else {
mIsAm = true;
updateAmPmControl();
}
}
mDate.set(Calendar.MINUTE, newVal);
onDateTimeChanged();
}
};
// AM/PM选择器值改变监听器
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm =!mIsAm;
// 根据AM/PM切换更新小时数
if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
} else {
mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
}
updateAmPmControl();
onDateTimeChanged();
}
};
// 日期时间改变监听器接口
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
}
// 构造函数,使用当前时间初始化
public DateTimePicker(Context context) {
this(context, System.currentTimeMillis());
}
// 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));
}
// 构造函数使用指定时间和24小时制视图状态初始化
public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context);
mDate = Calendar.getInstance();
mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
// 加载布局
inflate(context, R.layout.datetime_picker, this);
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100);
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
// 更新控件到初始状态
updateDateControl();
updateHourControl();
updateAmPmControl();
set24HourView(is24HourView);
// 设置为当前时间
setCurrentDate(date);
setEnabled(isEnabled());
// 设置内容描述
mInitialising = false;
}
// 设置启用状态
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
return;
}
super.setEnabled(enabled);
mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled;
}
// 获取启用状态
@Override
public boolean isEnabled() {
return mIsEnabled;
}
// 获取当前日期时间的毫秒数
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis();
}
// 设置当前日期时间(以毫秒为单位)
public void setCurrentDate(long date) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(date);
setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
}
// 设置当前日期时间
public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
setCurrentYear(year);
setCurrentMonth(month);
setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay);
setCurrentMinute(minute);
}
// 获取当前年份
public int getCurrentYear() {
return mDate.get(Calendar.YEAR);
}
// 设置当前年份
public void setCurrentYear(int year) {
if (!mInitialising && year == getCurrentYear()) {
return;
}
mDate.set(Calendar.YEAR, year);
updateDateControl();
onDateTimeChanged();
}
// 获取当前月份0-11
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH);
}
// 设置当前月份0-11
public void setCurrentMonth(int month) {
if (!mInitialising && month == getCurrentMonth()) {
return;
}
mDate.set(Calendar.MONTH, month);
updateDateControl();
onDateTimeChanged();
}
// 获取当前日期1-31
public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH);
}
// 设置当前日期1-31
public void setCurrentDay(int dayOfMonth) {
if (!mInitialising && dayOfMonth == getCurrentDay()) {
return;
}
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
updateDateControl();
onDateTimeChanged();
}
// 获取当前小时24小时制0-23
public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY);
}
// 获取当前小时12小时制或24小时制转换后的小时数
private int getCurrentHour() {
if (mIs24HourView) {
return getCurrentHourOfDay();
} else {
int hour = getCurrentHourOfDay();
if (hour > HOURS_IN_HALF_DAY) {
return hour - HOURS_IN_HALF_DAY;
} else {
return hour == 0? HOURS_IN_HALF_DAY : hour;
}
}
}
// 设置当前小时24小时制0-23
public void setCurrentHour(int hourOfDay) {
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
return;
}
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
if (!mIs24HourView) {
if (hourOfDay >= HOURS_IN_HALF_DAY) {
mIsAm = false;
if (hourOfDay > HOURS_IN_HALF_DAY) {
hourOfDay -= HOURS_IN_HALF_DAY;
}
} else {
mIsAm = true;
if (hourOfDay == 0) {
hourOfDay = HOURS_IN_HALF_DAY;
}
}
updateAmPmControl();
}
mHourSpinner.setValue(hourOfDay);
onDateTimeChanged();
}
// 获取当前分钟
public int getCurrentMinute() {
return mDate.get(Calendar.MINUTE);
}
// 设置当前分钟
public void setCurrentMinute(int minute) {
if (!mInitialising && minute == getCurrentMinute()) {
return;
}
mMinuteSpinner.setValue(minute);
mDate.set(Calendar.MINUTE, minute);
onDateTimeChanged();
}
// 判断是否为24小时制视图
public boolean is24HourView() {
return mIs24HourView;
}
// 设置是否为24小时制视图
public void set24HourView(boolean is24HourView) {
if (mIs24HourView == is24HourView) {
return;
}
mIs24HourView = is24HourView;
mAmPmSpinner.setVisibility(is24HourView? View.GONE : View.VISIBLE);
int hour = getCurrentHourOfDay();
updateHourControl();
setCurrentHour(hour);
updateAmPmControl();
}
// 更新日期选择器的显示值
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);
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
cal.add(Calendar.DAY_OF_YEAR, 1);
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
}
mDateSpinner.setDisplayedValues(mDateDisplayValues);
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate();
}
private void updateAmPmControl() {
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
} else {
int index = mIsAm ? Calendar.AM : Calendar.PM;
mAmPmSpinner.setValue(index);
mAmPmSpinner.setVisibility(View.VISIBLE);
}
}
private void updateHourControl() {
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
} else {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
}
}
/**
* Set the callback that indicates the 'Set' button has been pressed.
* @param callback the callback, if null will do nothing
*/
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
mOnDateTimeChangedListener = callback;
}
private void onDateTimeChanged() {
if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
}
}
}
// 更新AM/PM选择器的显示状态和值
private void updateAmPmControl() {
// 如果是24小时制视图隐藏AM/PM选择器
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
} else {
// 根据是否为上午设置AM/PM选择器的值并显示
int index = mIsAm? Calendar.AM : Calendar.PM;
mAmPmSpinner.setValue(index);
mAmPmSpinner.setVisibility(View.VISIBLE);
}
}
// 更新小时选择器的最小值和最大值
private void updateHourControl() {
// 如果是24小时制视图设置小时选择器的范围为0-23
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
} else {
// 如果是12小时制视图设置小时选择器的范围为1-12
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
}
}
/**
*
* @param callback null
*/
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
mOnDateTimeChangedListener = callback;
}
// 当日期时间发生改变时调用此方法,如果设置了回调函数,则触发回调
private void onDateTimeChanged() {
if (mOnDateTimeChangedListener!= null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
}
}
}

@ -0,0 +1,91 @@
package net.micode.notes.ui;
import java.util.Calendar;
import net.micode.notes.R;
import net.micode.notes.ui.DateTimePicker;
import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
// 日期时间选择对话框类继承自AlertDialog用于显示一个包含日期时间选择器的对话框
public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
// 当前日期时间
private Calendar mDate = Calendar.getInstance();
// 是否为24小时制视图
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
public interface OnDateTimeSetListener {
void OnDateTimeSet(AlertDialog dialog, long date);
}
// 构造函数,使用指定日期初始化对话框
public DateTimePickerDialog(Context context, long date) {
super(context);
// 创建日期时间选择器
mDateTimePicker = new DateTimePicker(context);
// 将日期时间选择器设置为对话框的视图
setView(mDateTimePicker);
// 设置日期时间选择器的监听器,当日期时间改变时更新内部的日期变量并更新对话框标题
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
mDate.set(Calendar.YEAR, year);
mDate.set(Calendar.MONTH, month);
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute);
updateTitle(mDate.getTimeInMillis());
}
});
// 设置日期时间选择器的初始日期为传入的日期
mDate.setTimeInMillis(date);
mDate.set(Calendar.SECOND, 0);
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
// 设置对话框的确定按钮和点击监听器
setButton(context.getString(R.string.datetime_dialog_ok), this);
// 设置对话框的取消按钮和点击监听器这里传入null表示使用默认行为
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener) null);
// 设置对话框的24小时制视图状态
set24HourView(DateFormat.is24HourFormat(this.getContext()));
// 更新对话框标题
updateTitle(mDate.getTimeInMillis());
}
// 设置对话框的24小时制视图状态
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;
}
// 更新对话框标题根据传入的日期和当前的24小时制视图状态格式化日期时间字符串
private void updateTitle(long date) {
int flag =
DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME;
flag |= mIs24HourView? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
}
// 确定按钮点击事件处理,当点击确定按钮时,如果设置了日期时间设置监听器,则触发监听器并传递当前日期时间
public void onClick(DialogInterface arg0, int arg1) {
if (mOnDateTimeSetListener!= null) {
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
}
}
}

@ -0,0 +1,58 @@
package net.micode.notes.ui;
import android.content.Context;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.PopupMenu;
import android.widget.PopupMenu.OnMenuItemClickListener;
import net.micode.notes.R;
// 下拉菜单类,用于创建和管理一个与按钮关联的下拉菜单
public class DropdownMenu {
// 关联的按钮
private Button mButton;
// 弹出式菜单对象
private PopupMenu mPopupMenu;
// 菜单对象
private Menu mMenu;
// 构造函数,初始化下拉菜单
public DropdownMenu(Context context, Button button, int menuId) {
mButton = button;
// 设置按钮的背景资源为下拉图标
mButton.setBackgroundResource(R.drawable.dropdown_icon);
// 创建与按钮关联的弹出式菜单
mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu();
// 填充菜单资源
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
// 设置按钮的点击事件,点击按钮时显示弹出式菜单
mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mPopupMenu.show();
}
});
}
// 设置下拉菜单菜单项的点击监听器
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu!= null) {
mPopupMenu.setOnMenuItemClickListener(listener);
}
}
// 根据ID查找菜单项
public MenuItem findItem(int id) {
return mMenu.findItem(id);
}
// 设置按钮的文本(即下拉菜单的标题)
public void setTitle(CharSequence title) {
mButton.setText(title);
}
}

@ -0,0 +1,132 @@
package net.micode.notes.ui;
import android.content.Context;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.PopupMenu;
import android.widget.PopupMenu.OnMenuItemClickListener;
import net.micode.notes.R;
// 下拉菜单类,用于创建和管理与按钮关联的下拉菜单
public class DropdownMenu {
// 关联的按钮
private Button mButton;
// 弹出式菜单对象
private PopupMenu mPopupMenu;
// 菜单对象
private Menu mMenu;
// 构造函数,初始化下拉菜单相关组件
public DropdownMenu(Context context, Button button, int menuId) {
mButton = button;
// 设置按钮的背景为下拉图标
mButton.setBackgroundResource(R.drawable.dropdown_icon);
// 创建与按钮关联的弹出式菜单
mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu();
// 填充菜单资源
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
// 设置按钮的点击事件,点击时显示弹出式菜单
mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mPopupMenu.show();
}
});
}
// 设置下拉菜单菜单项的点击监听器
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu!= null) {
mPopupMenu.setOnMenuItemClickListener(listener);
}
}
// 根据ID查找菜单项
public MenuItem findItem(int id) {
return mMenu.findItem(id);
}
// 设置按钮的文本(即下拉菜单的标题)
public void setTitle(CharSequence title) {
mButton.setText(title);
}
}
package net.micode.notes.ui;
import android.content.Context;
import android.database.Cursor;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import android.widget.LinearLayout;
import android.widget.TextView;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
// 文件夹列表适配器类,用于将文件夹数据适配到列表视图中
public class FoldersListAdapter extends CursorAdapter {
// 查询文件夹数据的投影包括ID和片段名称
public static final String[] PROJECTION = {
NoteColumns.ID,
NoteColumns.SNIPPET
};
// 投影中ID列的索引
public static final int ID_COLUMN = 0;
// 投影中名称列的索引
public static final int NAME_COLUMN = 1;
// 构造函数,初始化父类
public FoldersListAdapter(Context context, Cursor c) {
super(context, c);
// TODO Auto-generated constructor stub
}
// 创建新的视图项返回一个FolderListItem实例
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new FolderListItem(context);
}
// 绑定视图数据根据文件夹ID设置显示的名称
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof FolderListItem) {
String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER)? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
((FolderListItem) view).bind(folderName);
}
}
// 根据位置获取文件夹名称
public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position);
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER)? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
}
// 文件夹列表项内部类继承自LinearLayout用于显示文件夹名称
private class FolderListItem extends LinearLayout {
private TextView mName;
// 构造函数,初始化视图并获取名称文本视图
public FolderListItem(Context context) {
super(context);
inflate(context, R.layout.folder_list_item, this);
mName = (TextView) findViewById(R.id.tv_folder_name);
}
// 绑定名称数据到文本视图
public void bind(String name) {
mName.setText(name);
}
}
}

@ -0,0 +1,99 @@
package net.micode.notes.tool;
// 用于处理与GTask相关的字符串常量的工具类
public class GTaskStringUtils {
// GTask JSON中动作ID的键
public final static String GTASK_JSON_ACTION_ID = "action_id";
// GTask JSON中动作列表的键
public final static String GTASK_JSON_ACTION_LIST = "action_list";
// GTask JSON中动作类型的键
public final static String GTASK_JSON_ACTION_TYPE = "action_type";
// GTask JSON中创建动作类型的值
public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";
// GTask JSON中获取所有动作类型的值
public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all";
// GTask JSON中移动动作类型的值
public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";
// GTask JSON中更新动作类型的值
public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";
// GTask JSON中创建者ID的键
public final static String GTASK_JSON_CREATOR_ID = "creator_id";
// GTask JSON中子实体的键
public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";
// GTask JSON中客户端版本的键
public final static String GTASK_JSON_CLIENT_VERSION = "client_version";
// GTask JSON中完成状态的键
public final static String GTASK_JSON_COMPLETED = "completed";
// GTask JSON中当前列表ID的键
public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";
// GTask JSON中默认列表ID的键
public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";
// GTask JSON中已删除状态的键
public final static String GTASK_JSON_DELETED = "deleted";
// GTask JSON中目标列表的键
public final static String GTASK_JSON_DEST_LIST = "dest_list";
// GTask JSON中目标父级的键
public final static String GTASK_JSON_DEST_PARENT = "dest_parent";
// GTask JSON中目标父级类型的键
public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type";
// GTask JSON中实体增量的键
public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta";
// GTask JSON中实体类型的键
public final static String GTASK_JSON_ENTITY_TYPE = "entity_type";
// GTask JSON中获取已删除项的键
public final static String GTASK_JSON_GET_DELETED = "get_deleted";
// GTask JSON中ID的键
public final static String GTASK_JSON_ID = "id";
// GTask JSON中索引的键
public final static String GTASK_JSON_INDEX = "index";
// GTask JSON中最后修改时间的键
public final static String GTASK_JSON_LAST_MODIFIED = "last_modified";
// GTask JSON中最新同步点的键
public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point";
// GTask JSON中列表ID的键
public final static String GTASK_JSON_LIST_ID = "list_id";
// GTask JSON中列表的键
public final static String GTASK_JSON_LISTS = "lists";
// GTask JSON中名称的键
public final static String GTASK_JSON_NAME = "name";
// GTask JSON中新ID的键
public final static String GTASK_JSON_NEW_ID = "new_id";
// GTask JSON中笔记的键
public final static String GTASK_JSON_NOTES = "notes";
// GTask JSON中父级ID的键
public final static String GTASK_JSON_PARENT_ID = "parent_id";
// GTask JSON中前一个兄弟ID的键
public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id";
// GTask JSON中结果的键
public final static String GTASK_JSON_RESULTS = "results";
// GTask JSON中源列表的键
public final static String GTASK_JSON_SOURCE_LIST = "source_list";
// GTask JSON中任务的键
public final static String GTASK_JSON_TASKS = "tasks";
// GTask JSON中类型的键
public final static String GTASK_JSON_TYPE = "type";
// GTask JSON中组类型的值
public final static String GTASK_JSON_TYPE_GROUP = "GROUP";
// GTask JSON中任务类型的值
public final static String GTASK_JSON_TYPE_TASK = "TASK";
// GTask JSON中用户的键
public final static String GTASK_JSON_USER = "user";
// MIUI文件夹前缀
public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]";
// 默认文件夹名称
public final static String FOLDER_DEFAULT = "Default";
// 通话记录文件夹名称
public final static String FOLDER_CALL_NOTE = "Call_Note";
// 元数据文件夹名称
public final static String FOLDER_META = "METADATA";
// 元数据中GTask ID的头部信息
public final static String META_HEAD_GTASK_ID = "meta_gid";
// 元数据中笔记的头部信息
public final static String META_HEAD_NOTE = "meta_note";
// 元数据中数据的头部信息
public final static String META_HEAD_DATA = "meta_data";
// 元数据笔记的名称(包含提示信息)
public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE";
}

@ -0,0 +1,851 @@
package net.micode.notes.ui;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.graphics.Paint;
import android.os.Bundle;
import android.text.Editable;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.style.BackgroundColorSpan;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.Toolbar;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.ui.DateTimePickerDialog;
import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
import net.micode.notes.ui.TextAppearanceResources;
import net.micode.notes.ui.WorkingNote;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
// 笔记编辑活动类,用于编辑笔记的内容、设置等操作
public class NoteEditActivity extends Activity implements View.OnClickListener,
NoteSettingChangedListener, OnTextViewChangeListener {
// 笔记头部视图持有者类,用于方便管理笔记头部的视图组件
private class HeadViewHolder {
public TextView tvModified; // 最后修改日期文本视图
public ImageView ivAlertIcon; // 提醒图标
public TextView tvAlertDate; // 提醒日期文本视图
public ImageView ibSetBgColor; // 设置背景颜色按钮
}
// 背景颜色选择按钮与颜色ID的映射
private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
static {
sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
}
// 背景颜色选择按钮与选中状态图标的映射
private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
}
// 字体大小按钮与字体大小ID的映射
private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
static {
sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
}
// 字体大小ID与选中状态图标的映射
private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
}
private static final String TAG = "NoteEditActivity";
// 笔记头部视图持有者实例
private HeadViewHolder mNoteHeaderHolder;
// 笔记头部视图面板
private View mHeadViewPanel;
// 背景颜色选择器视图
private View mNoteBgColorSelector;
// 字体大小选择器视图
private View mFontSizeSelector;
// 笔记编辑文本视图
private EditText mNoteEditor;
// 笔记编辑视图面板
private View mNoteEditorPanel;
// 当前正在编辑的笔记工作对象
private WorkingNote mWorkingNote;
// 共享偏好设置实例
private SharedPreferences mSharedPrefs;
// 当前字体大小ID
private int mFontSizeId;
private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
// 快捷方式图标标题的最大长度
private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
// 选中标记字符串
public static final String TAG_CHECKED = String.valueOf('\u221A');
// 未选中标记字符串
public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
// 用于显示可编辑文本项的线性布局
private LinearLayout mEditTextList;
// 用户查询字符串(用于搜索结果相关)
private String mUserQuery;
// 用于搜索的正则表达式模式
private Pattern mPattern;
// 活动创建时调用
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.note_edit);
// 初始化活动状态,如果初始化失败则结束活动
if (savedInstanceState == null &&!initActivityState(getIntent())) {
finish();
return;
}
initResources();
}
// 当活动从被杀死状态恢复时调用
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
if (savedInstanceState!= null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
if (!initActivityState(intent)) {
finish();
return;
}
Log.d(TAG, "Restoring from killed activity");
}
}
// 初始化活动状态,根据传入的意图确定是查看、新建还是编辑笔记
private boolean initActivityState(Intent intent) {
mWorkingNote = null;
// 如果是查看笔记操作
if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
mUserQuery = "";
// 如果是从搜索结果进入
if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
}
// 检查笔记是否在数据库中可见
if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
Intent jump = new Intent(this, NotesListActivity.class);
startActivity(jump);
showToast(R.string.error_note_not_exist);
finish();
return false;
} else {
// 加载笔记
mWorkingNote = WorkingNote.load(this, noteId);
if (mWorkingNote == null) {
Log.e(TAG, "load note failed with note id" + noteId);
finish();
return false;
}
}
// 设置软键盘初始状态为隐藏且可调整大小
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
// 如果是新建或编辑笔记操作
} 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);
int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE,
Notes.TYPE_WIDGET_INVALIDE);
int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
ResourceParser.getDefaultBgId(this));
String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
if (callDate!= 0 && phoneNumber!= null) {
if (TextUtils.isEmpty(phoneNumber)) {
Log.w(TAG, "The call record number is null");
}
long noteId = 0;
if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
phoneNumber, callDate)) > 0) {
mWorkingNote = WorkingNote.load(this, noteId);
if (mWorkingNote == null) {
Log.e(TAG, "load call note failed with note id" + noteId);
finish();
return false;
}
} else {
mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
widgetType, bgResId);
mWorkingNote.convertToCallNote(phoneNumber, callDate);
}
} else {
mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
bgResId);
}
// 设置软键盘初始状态为可见且可调整大小
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
| WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
} else {
Log.e(TAG, "Intent not specified action, should not support");
finish();
return false;
}
mWorkingNote.setOnSettingStatusChangedListener(this);
return true;
}
// 活动恢复时调用,初始化笔记屏幕显示
@Override
protected void onResume() {
super.onResume();
initNoteScreen();
}
// 初始化笔记屏幕的显示内容
private void initNoteScreen() {
// 设置笔记编辑文本的字体外观
mNoteEditor.setTextAppearance(this, TextAppearanceResources
.getTexAppearanceResource(mFontSizeId));
// 如果是清单模式,切换到清单视图
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
switchToListMode(mWorkingNote.getContent());
} else {
// 否则设置笔记内容并将光标移动到末尾
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
mNoteEditor.setSelection(mNoteEditor.getText().length());
}
// 隐藏所有背景颜色选择按钮的选中状态图标
for (Integer id : sBgSelectorSelectionMap.keySet()) {
findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
}
// 设置笔记头部和编辑区域的背景资源
mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
// 设置最后修改日期的显示文本
mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
| DateUtils.FORMAT_SHOW_YEAR));
showAlertHeader();
}
// 显示提醒相关的头部信息(如果有提醒)
private void showAlertHeader() {
if (mWorkingNote.hasClockAlert()) {
long time = System.currentTimeMillis();
if (time > mWorkingNote.getAlertDate()) {
mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
} else {
mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
}
mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
} else {
mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
}
}
// 当有新的意图到达时调用,重新初始化活动状态
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
initActivityState(intent);
}
// 保存活动状态,在保存前如果笔记未保存则先保存
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
}
// 分发触摸事件,用于处理背景颜色选择器和字体大小选择器的显示和隐藏
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
&&!inRangeOfView(mNoteBgColorSelector, ev)) {
mNoteBgColorSelector.setVisibility(View.GONE);
return true;
}
if (mFontSizeSelector.getVisibility() == View.VISIBLE
&&!inRangeOfView(mFontSizeSelector, ev)) {
mFontSizeSelector.setVisibility(View.GONE);
return true;
}
return super.dispatchTouchEvent(ev);
}
// 判断触摸点是否在视图范围内
private boolean inRangeOfView(View view, MotionEvent ev) {
int[] location = new int[2];
view.getLocationOnScreen(location);
int x = location[0];
int y = location[1];
if (ev.getX() < x
|| ev.getX() > (x + view.getWidth())
|| ev.getY() < y
|| ev.getY() > (y + view.getHeight())) {
return false;
}
return true;
}
// 初始化资源,获取各种视图组件和设置初始值
private void initResources() {
mHeadViewPanel = findViewById(R.id.note_title);
mNoteHeaderHolder = new HeadViewHolder();
mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);
mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
mNoteEditorPanel = findViewById(R.id.sv_note_edit);
mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
for (int id : sBgSelectorBtnsMap.keySet()) {
ImageView iv = (ImageView) findViewById(id);
iv.setOnClickListener(this);
}
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);
if (mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
}
mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
}
// 活动暂停时调用,保存笔记并清除设置状态
@Override
protected void onPause() {
super.onPause();
if (saveNote()) {
Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
}
clearSettingState();
}
// 更新小部件显示(如果笔记关联了小部件)
private void updateWidget() {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
intent.setClass(this, NoteWidgetProvider_2x.class);
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();
}
}

@ -0,0 +1,132 @@
package net.micode.notes.widget;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.util.Log;
import android.widget.RemoteViews;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.ui.NoteEditActivity;
import net.micode.notes.ui.NotesListActivity;
// 抽象的笔记小部件提供者类继承自AppWidgetProvider用于管理笔记小部件的更新和删除
public abstract class NoteWidgetProvider extends AppWidgetProvider {
// 查询笔记小部件信息的投影包括ID、背景颜色ID和片段
public static final String[] PROJECTION = new String[]{
NoteColumns.ID,
NoteColumns.BG_COLOR_ID,
NoteColumns.SNIPPET
};
// 投影中ID列的索引
public static final int COLUMN_ID = 0;
// 投影中背景颜色ID列的索引
public static final int COLUMN_BG_COLOR_ID = 1;
// 投影中片段列的索引
public static final int COLUMN_SNIPPET = 2;
private static final String TAG = "NoteWidgetProvider";
// 当小部件被删除时调用,用于更新数据库中与小部件相关的笔记信息
@Override
public void onDeleted(Context context, int[] appWidgetIds) {
ContentValues values = new ContentValues();
values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
for (int i = 0; i < appWidgetIds.length; i++) {
context.getContentResolver().update(Notes.CONTENT_NOTE_URI,
values,
NoteColumns.WIDGET_ID + "=?",
new String[]{String.valueOf(appWidgetIds[i])});
}
}
// 获取指定小部件ID的笔记小部件信息的方法
private Cursor getNoteWidgetInfo(Context context, int widgetId) {
return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[]{String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER)},
null);
}
// 更新小部件的方法可被子类调用默认调用带隐私模式参数的更新方法传入false
protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
update(context, appWidgetManager, appWidgetIds, false);
}
// 实际的更新小部件方法根据小部件ID更新小部件的显示内容和点击事件
private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
boolean privacyMode) {
for (int i = 0; i < appWidgetIds.length; i++) {
if (appWidgetIds[i]!= AppWidgetManager.INVALID_APPWIDGET_ID) {
// 获取默认背景颜色ID
int bgId = ResourceParser.getDefaultBgId(context);
String snippet = "";
// 创建点击小部件时启动的意图默认为启动NoteEditActivity
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());
// 获取小部件对应的笔记信息
Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
if (c!= null && c.moveToFirst()) {
if (c.getCount() > 1) {
Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]);
c.close();
return;
}
snippet = c.getString(COLUMN_SNIPPET);
bgId = c.getInt(COLUMN_BG_COLOR_ID);
intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID));
intent.setAction(Intent.ACTION_VIEW);
} else {
snippet = context.getResources().getString(R.string.widget_havenot_content);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
}
if (c!= null) {
c.close();
}
// 创建远程视图用于更新小部件的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);
// 根据隐私模式设置不同的文本和点击意图
PendingIntent pendingIntent = null;
if (privacyMode) {
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 {
rv.setTextViewText(R.id.widget_text, snippet);
pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent,
PendingIntent.FLAG_UPDATE_CURRENT);
}
rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);
// 更新小部件
appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
}
}
}
// 抽象方法用于获取背景资源ID由子类实现
protected abstract int getBgResourceId(int bgId);
// 抽象方法用于获取布局ID由子类实现
protected abstract int getLayoutId();
// 抽象方法,用于获取小部件类型,由子类实现
protected abstract int getWidgetType();
}

@ -0,0 +1,36 @@
package net.micode.notes.widget;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.ResourceParser;
// 2x尺寸笔记小部件提供者类继承自NoteWidgetProvider实现特定于2x尺寸小部件的功能
public class NoteWidgetProvider_2x extends NoteWidgetProvider {
// 当小部件更新时调用,调用父类的更新方法来更新小部件
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
super.update(context, appWidgetManager, appWidgetIds);
}
// 获取2x尺寸小部件的布局ID
@Override
protected int getLayoutId() {
return R.layout.widget_2x;
}
// 根据背景颜色ID获取2x尺寸小部件的背景资源ID
@Override
protected int getBgResourceId(int bgId) {
return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
}
// 获取2x尺寸小部件的类型
@Override
protected int getWidgetType() {
return Notes.TYPE_WIDGET_2X;
}
}

@ -0,0 +1,35 @@
package net.micode.notes.widget;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.ResourceParser;
// 4x尺寸笔记小部件提供者类继承自NoteWidgetProvider用于创建和管理4x尺寸的笔记小部件
public class NoteWidgetProvider_4x extends NoteWidgetProvider {
// 当小部件更新时被调用,调用父类的更新方法来执行更新操作
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
super.update(context, appWidgetManager, appWidgetIds);
}
// 获取4x尺寸小部件的布局资源ID
protected int getLayoutId() {
return R.layout.widget_4x;
}
// 根据背景颜色ID获取4x尺寸小部件的背景资源ID
@Override
protected int getBgResourceId(int bgId) {
return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
}
// 获取4x尺寸小部件的类型
@Override
protected int getWidgetType() {
return Notes.TYPE_WIDGET_4X;
}
}

@ -0,0 +1,322 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.net.Uri;
/**
* Notes
*/
public class Notes {
// 内容提供者Content Provider的权威名称
public static final String AUTHORITY = "micode_notes";
// 日志标签,用于在日志输出中标识来自此类的消息
public static final String TAG = "Notes";
// 定义笔记类型的常量
public static final int TYPE_NOTE = 0; // 普通笔记类型
public static final int TYPE_FOLDER = 1; // 文件夹类型
public static final int TYPE_SYSTEM = 2; // 系统类型(可能用于特殊的系统笔记或文件夹)
/**
* ID
*
*/
public static final int ID_ROOT_FOLDER = 0; // 根文件夹的ID通常是默认的文件夹
public static final int ID_TEMPARAY_FOLDER = -1; // 临时文件夹的ID用于存放不属于任何文件夹的笔记
public static final int ID_CALL_RECORD_FOLDER = -2; // 通话记录文件夹的ID用于存储通话记录相关的笔记
public static final int ID_TRASH_FOLER = -3; // 垃圾文件夹的ID可能用于存放被删除的笔记
// 注意:此类可能还需要其他方法和属性来支持笔记应用的功能,
// 例如可能包含用于构建URI、查询数据库等的方法。
// 但根据当前提供的代码,以上是对现有代码的详细注释。
}
// 定义一系列用于Intent传递的额外数据的键名
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; // 用于传递提醒日期的键名
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; // 用于传递背景颜色ID的键名
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; // 用于传递小部件ID的键名
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; // 用于传递小部件类型的键名
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; // 用于传递文件夹ID的键名
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; // 用于传递通话日期的键名
// 定义小部件类型的常量
public static final int TYPE_WIDGET_INVALIDE = -1; // 无效的小部件类型
public static final int TYPE_WIDGET_2X = 0; // 2x2大小的小部件类型
public static final int TYPE_WIDGET_4X = 1; // 4x4大小的小部件类型
// 定义一个内部类来组织数据相关的常量
public static class DataConstants {
// 笔记和通话记录的内容类型MIME类型
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; // 普通笔记的内容类型
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; // 通话记录笔记的内容类型
// 注意TextNote和CallNote应该是定义了CONTENT_ITEM_TYPE常量的类
// 这些常量通常用于内容提供者Content Provider以标识不同的数据类型。
}
// 此处应定义一个Uri类型的常量但由于原始代码未给出具体Uri所以此处仅为说明性注释。
// public static final Uri CONTENT_URI_ALL_NOTES_AND_FOLDERS = Uri.parse("content://micode_notes/notes_and_folders");
/**
* Uri to query all notes and folders
*/
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
/**
* Uri to query data
*/
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
public interface NoteColumns {
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The parent's id for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String PARENT_ID = "parent_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Alert date
* <P> Type: INTEGER (long) </P>
*/
public static final String ALERTED_DATE = "alert_date";
/**
* Folder's name or text content of note
* <P> Type: TEXT </P>
*/
public static final String SNIPPET = "snippet";
/**
* Note's widget id
* <P> Type: INTEGER (long) </P>
*/
public static final String WIDGET_ID = "widget_id";
/**
* Note's widget type
* <P> Type: INTEGER (long) </P>
*/
public static final String WIDGET_TYPE = "widget_type";
/**
* Note's background color's id
* <P> Type: INTEGER (long) </P>
*/
public static final String BG_COLOR_ID = "bg_color_id";
/**
* For text note, it doesn't has attachment, for multi-media
* note, it has at least one attachment
* <P> Type: INTEGER </P>
*/
public static final String HAS_ATTACHMENT = "has_attachment";
/**
* Folder's count of notes
* <P> Type: INTEGER (long) </P>
*/
public static final String NOTES_COUNT = "notes_count";
/**
* The file type: folder or note
* <P> Type: INTEGER </P>
*/
public static final String TYPE = "type";
/**
* The last sync id
* <P> Type: INTEGER (long) </P>
*/
public static final String SYNC_ID = "sync_id";
/**
* Sign to indicate local modified or not
* <P> Type: INTEGER </P>
*/
public static final String LOCAL_MODIFIED = "local_modified";
/**
* Original parent id before moving into temporary folder
* <P> Type : INTEGER </P>
*/
public static final String ORIGIN_PARENT_ID = "origin_parent_id";
/**
* The gtask id
* <P> Type : TEXT </P>
*/
public static final String GTASK_ID = "gtask_id";
/**
* The version code
* <P> Type : INTEGER (long) </P>
*/
public static final String VERSION = "version";
}
public interface DataColumns {
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The MIME type of the item represented by this row.
* <P> Type: Text </P>
*/
public static final String MIME_TYPE = "mime_type";
/**
* The reference id to note that this data belongs to
* <P> Type: INTEGER (long) </P>
*/
public static final String NOTE_ID = "note_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Data's content
* <P> Type: TEXT </P>
*/
public static final String CONTENT = "content";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
*/
public static final String DATA1 = "data1";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
*/
public static final String DATA2 = "data2";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA3 = "data3";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA4 = "data4";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA5 = "data5";
}
// 定义一个静态内部类TextNote它实现了DataColumns接口假设DataColumns接口定义了一些与数据列相关的常量或方法
public static final class TextNote implements DataColumns {
/**
*
* <P>10</P>
*
*
*
*/
public static final String MODE = DATA1; // 假设DATA1是在DataColumns接口中定义的某个常量表示数据库中的一列
// 检查列表模式的常量值
public static final int MODE_CHECK_LIST = 1; // 表示检查列表模式
// 可以隐含地MODE_NORMAL = 0表示普通模式虽然没有显式定义
/**
* MIME
* Content Provider
*
*/
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
/**
* MIME
*
*/
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
/**
* URI访
* URIAUTHORITY
*
*/
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
// 注意AUTHORITY应该是一个在应用的某个地方定义的常量表示内容提供者的权威名称。
}
public static final class CallNote implements DataColumns {
/**
* Call date for this record
* <P> Type: INTEGER (long) </P>
*/
public static final String CALL_DATE = DATA1;
/**
* Phone number for this record
* <P> Type: TEXT </P>
*/
public static final String PHONE_NUMBER = DATA3;
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}
}

@ -0,0 +1,336 @@
package net.micode.notes.data;
import android.content.ContentValues;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
// 继承自SQLiteOpenHelper用于管理笔记数据库的创建和升级
public class NotesDatabaseHelper extends SQLiteOpenHelper {
// 数据库名称
private static final String DB_NAME = "note.db";
// 数据库版本号
private static final int DB_VERSION = 4;
// 定义表名接口
public interface TABLE {
public static final String NOTE = "note";
public static final String DATA = "data";
}
private static final String TAG = "NotesDatabaseHelper";
// 单例模式,确保只有一个实例
private static NotesDatabaseHelper mInstance;
// 创建note表的SQL语句
private static final String CREATE_NOTE_TABLE_SQL =
"CREATE TABLE " + TABLE.NOTE + "(" +
NoteColumns.ID + " INTEGER PRIMARY KEY," +
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
")";
// 创建data表的SQL语句
private static final String CREATE_DATA_TABLE_SQL =
"CREATE TABLE " + TABLE.DATA + "(" +
DataColumns.ID + " INTEGER PRIMARY KEY," +
DataColumns.MIME_TYPE + " TEXT NOT NULL," +
DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA1 + " INTEGER," +
DataColumns.DATA2 + " INTEGER," +
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
")";
// 创建note_id索引的SQL语句
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
// 当将笔记移动到文件夹时增加文件夹的笔记数量的触发器
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_update " +
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
// 当从文件夹中移动笔记时减少文件夹的笔记数量的触发器
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_update " +
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" END";
// 当向文件夹中插入新笔记时增加文件夹的笔记数量的触发器
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_insert " +
" AFTER INSERT ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
// 当从文件夹中删除笔记时减少文件夹的笔记数量的触发器
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" +
" END";
// 当插入类型为{@link DataConstants#NOTE}的数据时更新笔记内容的触发器
private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER =
"CREATE TRIGGER update_note_content_on_insert " +
" AFTER INSERT ON " + TABLE.DATA +
" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
// 当类型为{@link DataConstants#NOTE}的数据更新时更新笔记内容的触发器
private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER update_note_content_on_update " +
" AFTER UPDATE ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
// 当类型为{@link DataConstants#NOTE}的数据删除时更新笔记内容的触发器
private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER =
"CREATE TRIGGER update_note_content_on_delete " +
" AFTER delete ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" END";
// 当笔记被删除时删除属于该笔记的数据的触发器
private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =
"CREATE TRIGGER delete_data_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END";
// 当文件夹被删除时删除属于该文件夹的笔记的触发器
private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER =
"CREATE TRIGGER folder_delete_notes_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
// 当文件夹被移动到回收站文件夹时移动属于该文件夹的笔记的触发器
private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER =
"CREATE TRIGGER folder_move_notes_on_trash " +
" AFTER UPDATE ON " + TABLE.NOTE +
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
// 私有构造函数,防止外部实例化
private NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION);
}
// 创建note表
public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db);
createSystemFolder(db);
Log.d(TAG, "note table has been created");
}
// 重新创建note表的触发器
private void reCreateNoteTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update");
db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash");
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER);
db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER);
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER);
db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER);
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
}
// 创建系统文件夹(通话记录文件夹、根文件夹、临时文件夹、回收站文件夹)
private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues();
// 通话记录文件夹
values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
// 根文件夹
values.clear();
values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
// 临时文件夹
values.clear();
values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
// 回收站文件夹
values.clear();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
// 创建data表
public void createDataTable(SQLiteDatabase db) {
db.execSQL(CREATE_DATA_TABLE_SQL);
reCreateDataTableTriggers(db);
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
Log.d(TAG, "data table has been created");
}
// 重新创建data表的触发器
private void reCreateDataTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update");
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete");
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
}
// 获取单例实例
static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context);
}
return mInstance;
}
// 数据库首次创建时调用
@Override
public void onCreate(SQLiteDatabase db) {
createNoteTable(db);
createDataTable(db);
}
// 数据库升级时调用
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
boolean reCreateTriggers = false;
boolean skipV2 = false;
// 从版本1升级到版本2
if (oldVersion == 1) {
upgradeToV2(db);
skipV2 = true; // 此次升级包括从v2到v3的升级
oldVersion++;
}
// 从版本2升级到版本3如果未跳过
if (oldVersion == 2 &&!skipV2) {
upgradeToV3(db);
reCreateTriggers = true;
oldVersion++;
}
// 从版本3升级到版本4
if (oldVersion == 3) {
upgradeToV4(db);
oldVersion++;
}
// 如果需要重新创建触发器
if (reCreateTriggers) {
reCreateNoteTableTriggers(db);
reCreateDataTableTriggers(db);
}
// 如果版本升级失败
if (oldVersion!= newVersion) {
throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ "fails");
}
}
// 从版本1升级到版本2的具体操作删除旧表并重新创建
private void upgradeToV2(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
createNoteTable(db);
createDataTable(db);
}
// 从版本2升级到版本3的具体操作删除未使用的触发器添加gtask_id列添加回收站文件夹
private void upgradeToV3(SQLiteDatabase db) {
// 删除未使用的触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update");
// 添加gtask_id列
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID
+ " TEXT NOT NULL DEFAULT ''");
// 添加回收站系统文件夹
ContentValues values = new ContentValues();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
// 从版本3升级到版本4的具体操作添加version列
private void upgradeToV4(SQLiteDatabase db) {
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + Note

@ -0,0 +1,319 @@
package net.micode.notes.data;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Intent;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
// 继承自ContentProvider用于提供对笔记数据的访问接口
public class NotesProvider extends ContentProvider {
// UriMatcher用于匹配传入的Uri确定操作类型
private static final UriMatcher mMatcher;
// 数据库帮助类实例
private NotesDatabaseHelper mHelper;
private static final String TAG = "NotesProvider";
// 定义不同Uri的匹配码
private static final int URI_NOTE = 1;
private static final int URI_NOTE_ITEM = 2;
private static final int URI_DATA = 3;
private static final int URI_DATA_ITEM = 4;
private static final int URI_SEARCH = 5;
private static final int URI_SEARCH_SUGGEST = 6;
static {
// 初始化UriMatcher
mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
// 添加note表的Uri匹配规则
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
// 添加data表的Uri匹配规则
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM);
// 添加搜索相关的Uri匹配规则
mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH);
mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST);
mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST);
}
// 用于搜索结果的投影包括笔记的ID、标题、内容等信息
private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
// 用于搜索笔记片段的查询语句
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
// 初始化方法,获取数据库帮助类实例
@Override
public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext());
return true;
}
// 查询数据的方法根据Uri执行相应的查询操作并返回Cursor
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
Cursor c = null;
// 获取可读数据库实例
SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null;
// 根据Uri匹配码执行不同的查询操作
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 查询note表
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder);
break;
case URI_NOTE_ITEM:
// 查询单个note项
id = uri.getPathSegments().get(1);
c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs, null, null, sortOrder);
break;
case URI_DATA:
// 查询data表
c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null,
sortOrder);
break;
case URI_DATA_ITEM:
// 查询单个data项
id = uri.getPathSegments().get(1);
c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs, null, null, sortOrder);
break;
case URI_SEARCH:
case URI_SEARCH_SUGGEST:
// 搜索相关操作
if (sortOrder!= null || projection!= null) {
throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
}
String searchString = null;
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) {
searchString = uri.getPathSegments().get(1);
}
} else {
searchString = uri.getQueryParameter("pattern");
}
if (TextUtils.isEmpty(searchString)) {
return null;
}
try {
searchString = String.format("%%%s%%", searchString);
c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY,
new String[]{searchString});
} catch (IllegalStateException ex) {
Log.e(TAG, "got exception: " + ex.toString());
}
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
// 设置通知Uri以便数据变化时通知观察者
if (c!= null) {
c.setNotificationUri(getContext().getContentResolver(), uri);
}
return c;
}
// 插入数据的方法根据Uri将数据插入到相应的表中
@Override
public Uri insert(Uri uri, ContentValues values) {
// 获取可写数据库实例
SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0;
// 根据Uri匹配码执行不同的插入操作
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 插入note表
insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break;
case URI_DATA:
// 插入data表
if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID);
} else {
Log.d(TAG, "Wrong data format without note id:" + values.toString());
}
insertedId = dataId = db.insert(TABLE.DATA, null, values);
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
// 通知note表的Uri数据变化
if (noteId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
}
// 通知data表的Uri数据变化
if (dataId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
}
return ContentUris.withAppendedId(uri, insertedId);
}
// 删除数据的方法根据Uri从相应的表中删除数据
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
// 获取可写数据库实例
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false;
// 根据Uri匹配码执行不同的删除操作
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 删除note表中的数据
selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 ";
count = db.delete(TABLE.NOTE, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
// 删除单个note项
id = uri.getPathSegments().get(1);
long noteId = Long.valueOf(id);
if (noteId <= 0) {
break;
}
count = db.delete(TABLE.NOTE,
NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
break;
case URI_DATA:
// 删除data表中的数据
count = db.delete(TABLE.DATA, selection, selectionArgs);
deleteData = true;
break;
case URI_DATA_ITEM:
// 删除单个data项
id = uri.getPathSegments().get(1);
count = db.delete(TABLE.DATA,
DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
deleteData = true;
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
// 如果删除了数据通知相关Uri的数据变化
if (count > 0) {
if (deleteData) {
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
}
getContext().getContentResolver().notifyChange(uri, null);
}
return count;
}
// 更新数据的方法根据Uri更新相应表中的数据
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
// 获取可写数据库实例
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean updateData = false;
// 根据Uri匹配码执行不同的更新操作
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 更新note表中的数据
increaseNoteVersion(-1, selection, selectionArgs);
count = db.update(TABLE.NOTE, values, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
// 更新单个note项
id = uri.getPathSegments().get(1);
increaseNoteVersion(Long.valueOf(id), selection, selectionArgs);
count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs);
break;
case URI_DATA:
// 更新data表中的数据
count = db.update(TABLE.DATA, values, selection, selectionArgs);
updateData = true;
break;
case URI_DATA_ITEM:
// 更新单个data项
id = uri.getPathSegments().get(1);
count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs);
updateData = true;
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
// 如果更新了数据通知相关Uri的数据变化
if (count > 0) {
if (updateData) {
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
}
getContext().getContentResolver().notifyChange(uri, null);
}
return count;
}
// 辅助方法,用于解析查询条件
private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection)? " AND (" + selection + ')' : "");
}
// 增加笔记版本号的方法
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE ");
sql.append(TABLE.NOTE);
sql.append(" SET ");
sql.append(NoteColumns.VERSION);
sql.append("=" + NoteColumns.VERSION + "+1 ");
if (id > 0 ||!TextUtils.isEmpty(selection)) {
sql.append(" WHERE ");
}
if (id > 0) {
sql.append(NoteColumns.ID + "=" + String.valueOf(id));
}
if (!TextUtils.isEmpty(selection)) {
String selectString = id > 0? parseSelection(selection) : selection;
for (String args : selectionArgs) {
selectString = selectString.replaceFirst("\\?", args);
}
sql.append(selectString);
}
mHelper.getWritableDatabase().execSQL(sql.toString());
}
// 获取数据类型的方法(未实现)
@Override
public String getType(Uri uri) {
// TODO Auto-generated method stub
return null;
}
}

@ -0,0 +1,189 @@
package net.micode.notes.tool;
import android.content.Context;
import android.preference.PreferenceManager;
import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity;
// 资源解析工具类,用于管理和获取与笔记应用相关的资源
public class ResourceParser {
// 定义颜色常量
public static final int YELLOW = 0;
public static final int BLUE = 1;
public static final int WHITE = 2;
public static final int GREEN = 3;
public static final int RED = 4;
// 默认背景颜色
public static final int BG_DEFAULT_COLOR = YELLOW;
// 定义字体大小常量
public static final int TEXT_SMALL = 0;
public static final int TEXT_MEDIUM = 1;
public static final int TEXT_LARGE = 2;
public static final int TEXT_SUPER = 3;
// 默认字体大小
public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
// 内部类,用于管理笔记编辑背景资源
public static class NoteBgResources {
// 编辑状态下的背景资源数组
private final static int[] BG_EDIT_RESOURCES = new int[]{
R.drawable.edit_yellow,
R.drawable.edit_blue,
R.drawable.edit_white,
R.drawable.edit_green,
R.drawable.edit_red
};
// 编辑状态下标题的背景资源数组
private final static int[] BG_EDIT_TITLE_RESOURCES = new int[]{
R.drawable.edit_title_yellow,
R.drawable.edit_title_blue,
R.drawable.edit_title_white,
R.drawable.edit_title_green,
R.drawable.edit_title_red
};
// 根据ID获取笔记编辑背景资源
public static int getNoteBgResource(int id) {
return BG_EDIT_RESOURCES[id];
}
// 根据ID获取笔记编辑标题背景资源
public static int getNoteTitleBgResource(int id) {
return BG_EDIT_TITLE_RESOURCES[id];
}
}
// 获取默认背景颜色ID的方法
public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
// 如果设置了随机背景颜色则随机选择一个背景资源ID
return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
} else {
// 否则返回默认背景颜色ID
return BG_DEFAULT_COLOR;
}
}
// 内部类,用于管理笔记列表项背景资源
public static class NoteItemBgResources {
// 列表项第一个的背景资源数组
private final static int[] BG_FIRST_RESOURCES = new int[]{
R.drawable.list_yellow_up,
R.drawable.list_blue_up,
R.drawable.list_white_up,
R.drawable.list_green_up,
R.drawable.list_red_up
};
// 列表项中间的背景资源数组
private final static int[] BG_NORMAL_RESOURCES = new int[]{
R.drawable.list_yellow_middle,
R.drawable.list_blue_middle,
R.drawable.list_white_middle,
R.drawable.list_green_middle,
R.drawable.list_red_middle
};
// 列表项最后一个的背景资源数组
private final static int[] BG_LAST_RESOURCES = new int[]{
R.drawable.list_yellow_down,
R.drawable.list_blue_down,
R.drawable.list_white_down,
R.drawable.list_green_down,
R.drawable.list_red_down,
};
// 单个列表项的背景资源数组
private final static int[] BG_SINGLE_RESOURCES = new int[]{
R.drawable.list_yellow_single,
R.drawable.list_blue_single,
R.drawable.list_white_single,
R.drawable.list_green_single,
R.drawable.list_red_single
};
// 根据ID获取列表项第一个的背景资源
public static int getNoteBgFirstRes(int id) {
return BG_FIRST_RESOURCES[id];
}
// 根据ID获取列表项最后一个的背景资源
public static int getNoteBgLastRes(int id) {
return BG_LAST_RESOURCES[id];
}
// 根据ID获取单个列表项的背景资源
public static int getNoteBgSingleRes(int id) {
return BG_SINGLE_RESOURCES[id];
}
// 根据ID获取列表项中间的背景资源
public static int getNoteBgNormalRes(int id) {
return BG_NORMAL_RESOURCES[id];
}
// 获取文件夹背景资源
public static int getFolderBgRes() {
return R.drawable.list_folder;
}
}
// 内部类,用于管理小部件背景资源
public static class WidgetBgResources {
// 2x小部件的背景资源数组
private final static int[] BG_2X_RESOURCES = new int[]{
R.drawable.widget_2x_yellow,
R.drawable.widget_2x_blue,
R.drawable.widget_2x_white,
R.drawable.widget_2x_green,
R.drawable.widget_2x_red,
};
// 4x小部件的背景资源数组
private final static int[] BG_4X_RESOURCES = new int[]{
R.drawable.widget_4x_yellow,
R.drawable.widget_4x_blue,
R.drawable.widget_4x_white,
R.drawable.widget_4x_green,
R.drawable.widget_4x_red
};
// 根据ID获取2x小部件的背景资源
public static int getWidget2xBgResource(int id) {
return BG_2X_RESOURCES[id];
}
// 根据ID获取4x小部件的背景资源
public static int getWidget4xBgResource(int id) {
return BG_4X_RESOURCES[id];
}
}
// 内部类,用于管理文本外观资源
public static class TextAppearanceResources {
// 文本外观资源数组
private final static int[] TEXTAPPEARANCE_RESOURCES = new int[]{
R.style.TextAppearanceNormal,
R.style.TextAppearanceMedium,
R.style.TextAppearanceLarge,
R.style.TextAppearanceSuper
};
// 根据ID获取文本外观资源
public static int getTexAppearanceResource(int id) {
/**
* HACKME: ID
* ID
*/
if (id >= TEXTAPPEARANCE_RESOURCES.length) {
return BG_DEFAULT_FONT_SIZE;
}
return TEXTAPPEARANCE_RESOURCES[id];
}
// 获取文本外观资源数组的长度
public static int getResourcesSize() {
return TEXTAPPEARANCE_RESOURCES.length;
}
}
}
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