|  |  |  | @ -48,65 +48,95 @@ import net.micode.notes.data.Notes.NoteColumns; | 
			
		
	
		
			
				
					|  |  |  |  | import net.micode.notes.gtask.remote.GTaskSyncService; | 
			
		
	
		
			
				
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					|  |  |  |  | /* | 
			
		
	
		
			
				
					|  |  |  |  |  *该类功能:NotesPreferenceActivity,在小米便签中主要实现的是对背景颜色和字体大小的数据储存。 | 
			
		
	
		
			
				
					|  |  |  |  |  *       继承了PreferenceActivity主要功能为对系统信息和配置进行自动保存的Activity | 
			
		
	
		
			
				
					|  |  |  |  |  */ | 
			
		
	
		
			
				
					|  |  |  |  | public class NotesPreferenceActivity extends PreferenceActivity { | 
			
		
	
		
			
				
					|  |  |  |  |     public static final String PREFERENCE_NAME = "notes_preferences"; | 
			
		
	
		
			
				
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					|  |  |  |  |     //优先名
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					|  |  |  |  |     public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; | 
			
		
	
		
			
				
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					|  |  |  |  |     //同步账号
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					|  |  |  |  |     public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; | 
			
		
	
		
			
				
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					|  |  |  |  |     //同步时间
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					|  |  |  |  |     public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; | 
			
		
	
		
			
				
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					|  |  |  |  |     private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; | 
			
		
	
		
			
				
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					|  |  |  |  |     //同步密码
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					|  |  |  |  |     private static final String AUTHORITIES_FILTER_KEY = "authorities"; | 
			
		
	
		
			
				
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					|  |  |  |  |     //本地密码
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					|  |  |  |  |     private PreferenceCategory mAccountCategory; | 
			
		
	
		
			
				
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					|  |  |  |  |     //账户分组
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					|  |  |  |  |     private GTaskReceiver mReceiver; | 
			
		
	
		
			
				
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					|  |  |  |  |     //同步任务接收器
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					|  |  |  |  |     private Account[] mOriAccounts; | 
			
		
	
		
			
				
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					|  |  |  |  |     //账户
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					|  |  |  |  |     private boolean mHasAddedAccount; | 
			
		
	
		
			
				
					|  |  |  |  |     //账户的hash标记
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					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      *函数功能:创建一个activity,在函数里要完成所有的正常静态设置 | 
			
		
	
		
			
				
					|  |  |  |  |      *参数:Bundle icicle:存放了 activity 当前的状态 | 
			
		
	
		
			
				
					|  |  |  |  |      *函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     protected void onCreate(Bundle icicle) { | 
			
		
	
		
			
				
					|  |  |  |  |         //先执行父类的创建函数
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					|  |  |  |  |         super.onCreate(icicle); | 
			
		
	
		
			
				
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					|  |  |  |  |         /* using the app icon for navigation */ | 
			
		
	
		
			
				
					|  |  |  |  |         getActionBar().setDisplayHomeAsUpEnabled(true); | 
			
		
	
		
			
				
					|  |  |  |  |         //给左上角图标的左边加上一个返回的图标
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					|  |  |  |  |         addPreferencesFromResource(R.xml.preferences); | 
			
		
	
		
			
				
					|  |  |  |  |         //添加xml来源并显示 xml
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					|  |  |  |  |         mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); | 
			
		
	
		
			
				
					|  |  |  |  |         //根据同步账户关键码来初始化分组
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					|  |  |  |  |         mReceiver = new GTaskReceiver(); | 
			
		
	
		
			
				
					|  |  |  |  |         IntentFilter filter = new IntentFilter(); | 
			
		
	
		
			
				
					|  |  |  |  |         filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME); | 
			
		
	
		
			
				
					|  |  |  |  |         registerReceiver(mReceiver, filter); | 
			
		
	
		
			
				
					|  |  |  |  |         //初始化同步组件
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					|  |  |  |  |         mOriAccounts = null; | 
			
		
	
		
			
				
					|  |  |  |  |         View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); | 
			
		
	
		
			
				
					|  |  |  |  |         //获取listvivew,ListView的作用:用于列出所有选择
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					|  |  |  |  |         getListView().addHeaderView(header, null, true); | 
			
		
	
		
			
				
					|  |  |  |  |         //在listview组件上方添加其他组件
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					|  |  |  |  |     } | 
			
		
	
		
			
				
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					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:activity交互功能的实现,用于接受用户的输入 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     protected void onResume() { | 
			
		
	
		
			
				
					|  |  |  |  |         //先执行父类 的交互实现
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					|  |  |  |  |         super.onResume(); | 
			
		
	
		
			
				
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					|  |  |  |  |         // need to set sync account automatically if user has added a new
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					|  |  |  |  |         // account
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					|  |  |  |  |         if (mHasAddedAccount) { | 
			
		
	
		
			
				
					|  |  |  |  |             //若用户新加了账户则自动设置同步账户
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					|  |  |  |  |             Account[] accounts = getGoogleAccounts(); | 
			
		
	
		
			
				
					|  |  |  |  |             //获取google同步账户
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					|  |  |  |  |             if (mOriAccounts != null && accounts.length > mOriAccounts.length) { | 
			
		
	
		
			
				
					|  |  |  |  |                 //若原账户不为空且当前账户有增加
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					|  |  |  |  |                 for (Account accountNew : accounts) { | 
			
		
	
		
			
				
					|  |  |  |  |                     boolean found = false; | 
			
		
	
		
			
				
					|  |  |  |  |                     for (Account accountOld : mOriAccounts) { | 
			
		
	
		
			
				
					|  |  |  |  |                         if (TextUtils.equals(accountOld.name, accountNew.name)) { | 
			
		
	
		
			
				
					|  |  |  |  |                             //更新账户
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					|  |  |  |  |                             found = true; | 
			
		
	
		
			
				
					|  |  |  |  |                             break; | 
			
		
	
		
			
				
					|  |  |  |  |                         } | 
			
		
	
		
			
				
					|  |  |  |  |                     } | 
			
		
	
		
			
				
					|  |  |  |  |                     if (!found) { | 
			
		
	
		
			
				
					|  |  |  |  |                         setSyncAccount(accountNew.name); | 
			
		
	
		
			
				
					|  |  |  |  |                         //若是没有找到旧的账户,那么同步账号中就只添加新账户
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					|  |  |  |  |                         break; | 
			
		
	
		
			
				
					|  |  |  |  |                     } | 
			
		
	
		
			
				
					|  |  |  |  |                 } | 
			
		
	
	
		
			
				
					|  |  |  | @ -114,58 +144,86 @@ public class NotesPreferenceActivity extends PreferenceActivity { | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
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					|  |  |  |  |         refreshUI(); | 
			
		
	
		
			
				
					|  |  |  |  |         //刷新标签界面
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					|  |  |  |  |     } | 
			
		
	
		
			
				
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					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:销毁一个activity | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     protected void onDestroy() { | 
			
		
	
		
			
				
					|  |  |  |  |         if (mReceiver != null) { | 
			
		
	
		
			
				
					|  |  |  |  |             unregisterReceiver(mReceiver); | 
			
		
	
		
			
				
					|  |  |  |  |             //注销接收器
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					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |         super.onDestroy(); | 
			
		
	
		
			
				
					|  |  |  |  |         //执行父类的销毁动作
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					|  |  |  |  |     } | 
			
		
	
		
			
				
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					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:重新设置账户信息 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private void loadAccountPreference() { | 
			
		
	
		
			
				
					|  |  |  |  |         mAccountCategory.removeAll(); | 
			
		
	
		
			
				
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					|  |  |  |  |         //销毁所有的分组
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					|  |  |  |  |         Preference accountPref = new Preference(this); | 
			
		
	
		
			
				
					|  |  |  |  |         //建立首选项
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					|  |  |  |  |         final String defaultAccount = getSyncAccountName(this); | 
			
		
	
		
			
				
					|  |  |  |  |         accountPref.setTitle(getString(R.string.preferences_account_title)); | 
			
		
	
		
			
				
					|  |  |  |  |         accountPref.setSummary(getString(R.string.preferences_account_summary)); | 
			
		
	
		
			
				
					|  |  |  |  |         //设置首选项的大标题和小标题
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					|  |  |  |  |         accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { | 
			
		
	
		
			
				
					|  |  |  |  |             public boolean onPreferenceClick(Preference preference) { | 
			
		
	
		
			
				
					|  |  |  |  |                 //建立监听器
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					|  |  |  |  |                 if (!GTaskSyncService.isSyncing()) { | 
			
		
	
		
			
				
					|  |  |  |  |                     if (TextUtils.isEmpty(defaultAccount)) { | 
			
		
	
		
			
				
					|  |  |  |  |                         // the first time to set account
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					|  |  |  |  |                         //若是第一次建立账户显示选择账户提示对话框
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					|  |  |  |  |                         showSelectAccountAlertDialog(); | 
			
		
	
		
			
				
					|  |  |  |  |                     } else { | 
			
		
	
		
			
				
					|  |  |  |  |                         // if the account has already been set, we need to promp
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					|  |  |  |  |                         // user about the risk
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					|  |  |  |  |                         //若是已经建立则显示修改对话框并进行修改操作
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					|  |  |  |  |                         showChangeAccountConfirmAlertDialog(); | 
			
		
	
		
			
				
					|  |  |  |  |                     } | 
			
		
	
		
			
				
					|  |  |  |  |                 } else { | 
			
		
	
		
			
				
					|  |  |  |  |                     //若在没有同步的情况下,则在toast中显示不能修改
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					|  |  |  |  |                     Toast.makeText(NotesPreferenceActivity.this, | 
			
		
	
		
			
				
					|  |  |  |  |                             R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) | 
			
		
	
		
			
				
					|  |  |  |  |                                     R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) | 
			
		
	
		
			
				
					|  |  |  |  |                             .show(); | 
			
		
	
		
			
				
					|  |  |  |  |                 } | 
			
		
	
		
			
				
					|  |  |  |  |                 return true; | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  |         }); | 
			
		
	
		
			
				
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					|  |  |  |  |         //根据新建首选项编辑新的账户分组
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					|  |  |  |  |         mAccountCategory.addPreference(accountPref); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
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					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      *函数功能:设置按键的状态和最后同步的时间 | 
			
		
	
		
			
				
					|  |  |  |  |      *函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private void loadSyncButton() { | 
			
		
	
		
			
				
					|  |  |  |  |         Button syncButton = (Button) findViewById(R.id.preference_sync_button); | 
			
		
	
		
			
				
					|  |  |  |  |         TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); | 
			
		
	
		
			
				
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					|  |  |  |  |         //获取同步按钮控件和最终同步时间的的窗口
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					|  |  |  |  |         // set button state
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					|  |  |  |  |         //设置按钮的状态
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					|  |  |  |  |         if (GTaskSyncService.isSyncing()) { | 
			
		
	
		
			
				
					|  |  |  |  |             //若是在同步状态下
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					|  |  |  |  |             syncButton.setText(getString(R.string.preferences_button_sync_cancel)); | 
			
		
	
		
			
				
					|  |  |  |  |             syncButton.setOnClickListener(new View.OnClickListener() { | 
			
		
	
		
			
				
					|  |  |  |  |                 public void onClick(View v) { | 
			
		
	
		
			
				
					|  |  |  |  |                     GTaskSyncService.cancelSync(NotesPreferenceActivity.this); | 
			
		
	
		
			
				
					|  |  |  |  |                 } | 
			
		
	
		
			
				
					|  |  |  |  |             }); | 
			
		
	
		
			
				
					|  |  |  |  |             //设置按钮显示的文本为“取消同步”以及监听器
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					|  |  |  |  |         } else { | 
			
		
	
		
			
				
					|  |  |  |  |             syncButton.setText(getString(R.string.preferences_button_sync_immediately)); | 
			
		
	
		
			
				
					|  |  |  |  |             syncButton.setOnClickListener(new View.OnClickListener() { | 
			
		
	
	
		
			
				
					|  |  |  | @ -173,50 +231,67 @@ public class NotesPreferenceActivity extends PreferenceActivity { | 
			
		
	
		
			
				
					|  |  |  |  |                     GTaskSyncService.startSync(NotesPreferenceActivity.this); | 
			
		
	
		
			
				
					|  |  |  |  |                 } | 
			
		
	
		
			
				
					|  |  |  |  |             }); | 
			
		
	
		
			
				
					|  |  |  |  |             //若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器
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					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |         syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); | 
			
		
	
		
			
				
					|  |  |  |  |         //设置按键可用还是不可用
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					|  |  |  |  |         // set last sync time
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					|  |  |  |  |         // 设置最终同步时间
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					|  |  |  |  |         if (GTaskSyncService.isSyncing()) { | 
			
		
	
		
			
				
					|  |  |  |  |             //若是在同步的情况下
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					|  |  |  |  |             lastSyncTimeView.setText(GTaskSyncService.getProgressString()); | 
			
		
	
		
			
				
					|  |  |  |  |             lastSyncTimeView.setVisibility(View.VISIBLE); | 
			
		
	
		
			
				
					|  |  |  |  |             // 根据当前同步服务器设置时间显示框的文本以及可见性
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					|  |  |  |  |         } else { | 
			
		
	
		
			
				
					|  |  |  |  |             //若是非同步情况
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					|  |  |  |  |             long lastSyncTime = getLastSyncTime(this); | 
			
		
	
		
			
				
					|  |  |  |  |             if (lastSyncTime != 0) { | 
			
		
	
		
			
				
					|  |  |  |  |                 lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, | 
			
		
	
		
			
				
					|  |  |  |  |                         DateFormat.format(getString(R.string.preferences_last_sync_time_format), | 
			
		
	
		
			
				
					|  |  |  |  |                                 lastSyncTime))); | 
			
		
	
		
			
				
					|  |  |  |  |                 lastSyncTimeView.setVisibility(View.VISIBLE); | 
			
		
	
		
			
				
					|  |  |  |  |                 //则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性
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					|  |  |  |  |             } else { | 
			
		
	
		
			
				
					|  |  |  |  |                 //若时间为空直接设置为不可见状态
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					|  |  |  |  |                 lastSyncTimeView.setVisibility(View.GONE); | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
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					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      *函数功能:刷新标签界面 | 
			
		
	
		
			
				
					|  |  |  |  |      *函数实现:调用上文设置账号和设置按键两个函数来实现 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private void refreshUI() { | 
			
		
	
		
			
				
					|  |  |  |  |         loadAccountPreference(); | 
			
		
	
		
			
				
					|  |  |  |  |         loadSyncButton(); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
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					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:显示账户选择的对话框并进行账户的设置 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private void showSelectAccountAlertDialog() { | 
			
		
	
		
			
				
					|  |  |  |  |         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); | 
			
		
	
		
			
				
					|  |  |  |  |         //创建一个新的对话框
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					|  |  |  |  |         View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); | 
			
		
	
		
			
				
					|  |  |  |  |         TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); | 
			
		
	
		
			
				
					|  |  |  |  |         titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); | 
			
		
	
		
			
				
					|  |  |  |  |         TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); | 
			
		
	
		
			
				
					|  |  |  |  |         subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); | 
			
		
	
		
			
				
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					|  |  |  |  |         //设置标题以及子标题的内容
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					|  |  |  |  |         dialogBuilder.setCustomTitle(titleView); | 
			
		
	
		
			
				
					|  |  |  |  |         dialogBuilder.setPositiveButton(null, null); | 
			
		
	
		
			
				
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					|  |  |  |  |         //设置对话框的自定义标题,建立一个YES的按钮
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					|  |  |  |  |         Account[] accounts = getGoogleAccounts(); | 
			
		
	
		
			
				
					|  |  |  |  |         String defAccount = getSyncAccountName(this); | 
			
		
	
		
			
				
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					|  |  |  |  |         //获取同步账户信息
 | 
			
		
	
		
			
				
					|  |  |  |  |         mOriAccounts = accounts; | 
			
		
	
		
			
				
					|  |  |  |  |         mHasAddedAccount = false; | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         if (accounts.length > 0) { | 
			
		
	
		
			
				
					|  |  |  |  |             //若账户不为空
 | 
			
		
	
		
			
				
					|  |  |  |  |             CharSequence[] items = new CharSequence[accounts.length]; | 
			
		
	
		
			
				
					|  |  |  |  |             final CharSequence[] itemMapping = items; | 
			
		
	
		
			
				
					|  |  |  |  |             int checkedItem = -1; | 
			
		
	
	
		
			
				
					|  |  |  | @ -224,83 +299,119 @@ public class NotesPreferenceActivity extends PreferenceActivity { | 
			
		
	
		
			
				
					|  |  |  |  |             for (Account account : accounts) { | 
			
		
	
		
			
				
					|  |  |  |  |                 if (TextUtils.equals(account.name, defAccount)) { | 
			
		
	
		
			
				
					|  |  |  |  |                     checkedItem = index; | 
			
		
	
		
			
				
					|  |  |  |  |                     //在账户列表中查询到所需账户
 | 
			
		
	
		
			
				
					|  |  |  |  |                 } | 
			
		
	
		
			
				
					|  |  |  |  |                 items[index++] = account.name; | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  |             dialogBuilder.setSingleChoiceItems(items, checkedItem, | 
			
		
	
		
			
				
					|  |  |  |  |                     //在对话框建立一个单选的复选框
 | 
			
		
	
		
			
				
					|  |  |  |  |                     new DialogInterface.OnClickListener() { | 
			
		
	
		
			
				
					|  |  |  |  |                         public void onClick(DialogInterface dialog, int which) { | 
			
		
	
		
			
				
					|  |  |  |  |                             setSyncAccount(itemMapping[which].toString()); | 
			
		
	
		
			
				
					|  |  |  |  |                             dialog.dismiss(); | 
			
		
	
		
			
				
					|  |  |  |  |                             //取消对话框
 | 
			
		
	
		
			
				
					|  |  |  |  |                             refreshUI(); | 
			
		
	
		
			
				
					|  |  |  |  |                         } | 
			
		
	
		
			
				
					|  |  |  |  |                         //设置点击后执行的事件,包括检录新同步账户和刷新标签界面
 | 
			
		
	
		
			
				
					|  |  |  |  |                     }); | 
			
		
	
		
			
				
					|  |  |  |  |             //建立对话框网络版的监听器
 | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null); | 
			
		
	
		
			
				
					|  |  |  |  |         dialogBuilder.setView(addAccountView); | 
			
		
	
		
			
				
					|  |  |  |  |         //给新加账户对话框设置自定义样式
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         final AlertDialog dialog = dialogBuilder.show(); | 
			
		
	
		
			
				
					|  |  |  |  |         //显示对话框
 | 
			
		
	
		
			
				
					|  |  |  |  |         addAccountView.setOnClickListener(new View.OnClickListener() { | 
			
		
	
		
			
				
					|  |  |  |  |             public void onClick(View v) { | 
			
		
	
		
			
				
					|  |  |  |  |                 mHasAddedAccount = true; | 
			
		
	
		
			
				
					|  |  |  |  |                 //将新加账户的hash置true
 | 
			
		
	
		
			
				
					|  |  |  |  |                 Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); | 
			
		
	
		
			
				
					|  |  |  |  |                 //建立网络建立组件
 | 
			
		
	
		
			
				
					|  |  |  |  |                 intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { | 
			
		
	
		
			
				
					|  |  |  |  |                     "gmail-ls" | 
			
		
	
		
			
				
					|  |  |  |  |                         "gmail-ls" | 
			
		
	
		
			
				
					|  |  |  |  |                 }); | 
			
		
	
		
			
				
					|  |  |  |  |                 startActivityForResult(intent, -1); | 
			
		
	
		
			
				
					|  |  |  |  |                 //跳回上一个选项
 | 
			
		
	
		
			
				
					|  |  |  |  |                 dialog.dismiss(); | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  |         }); | 
			
		
	
		
			
				
					|  |  |  |  |         //建立新加账户对话框的监听器
 | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:显示账户选择对话框和相关账户操作 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private void showChangeAccountConfirmAlertDialog() { | 
			
		
	
		
			
				
					|  |  |  |  |         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         //创建一个新的对话框
 | 
			
		
	
		
			
				
					|  |  |  |  |         View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); | 
			
		
	
		
			
				
					|  |  |  |  |         TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); | 
			
		
	
		
			
				
					|  |  |  |  |         titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, | 
			
		
	
		
			
				
					|  |  |  |  |                 getSyncAccountName(this))); | 
			
		
	
		
			
				
					|  |  |  |  |         TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); | 
			
		
	
		
			
				
					|  |  |  |  |         subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); | 
			
		
	
		
			
				
					|  |  |  |  |         //根据同步修改的账户信息设置标题以及子标题的内容
 | 
			
		
	
		
			
				
					|  |  |  |  |         dialogBuilder.setCustomTitle(titleView); | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         //设置对话框的自定义标题
 | 
			
		
	
		
			
				
					|  |  |  |  |         CharSequence[] menuItemArray = new CharSequence[] { | 
			
		
	
		
			
				
					|  |  |  |  |                 getString(R.string.preferences_menu_change_account), | 
			
		
	
		
			
				
					|  |  |  |  |                 getString(R.string.preferences_menu_remove_account), | 
			
		
	
		
			
				
					|  |  |  |  |                 getString(R.string.preferences_menu_cancel) | 
			
		
	
		
			
				
					|  |  |  |  |         }; | 
			
		
	
		
			
				
					|  |  |  |  |         //定义一些标记字符串
 | 
			
		
	
		
			
				
					|  |  |  |  |         dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { | 
			
		
	
		
			
				
					|  |  |  |  |             //设置对话框要显示的一个list,用于显示几个命令时,即change,remove,cancel
 | 
			
		
	
		
			
				
					|  |  |  |  |             public void onClick(DialogInterface dialog, int which) { | 
			
		
	
		
			
				
					|  |  |  |  |                 //按键功能,由which来决定
 | 
			
		
	
		
			
				
					|  |  |  |  |                 if (which == 0) { | 
			
		
	
		
			
				
					|  |  |  |  |                     //进入账户选择对话框
 | 
			
		
	
		
			
				
					|  |  |  |  |                     showSelectAccountAlertDialog(); | 
			
		
	
		
			
				
					|  |  |  |  |                 } else if (which == 1) { | 
			
		
	
		
			
				
					|  |  |  |  |                     //删除账户并且跟新便签界面
 | 
			
		
	
		
			
				
					|  |  |  |  |                     removeSyncAccount(); | 
			
		
	
		
			
				
					|  |  |  |  |                     refreshUI(); | 
			
		
	
		
			
				
					|  |  |  |  |                 } | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  |         }); | 
			
		
	
		
			
				
					|  |  |  |  |         dialogBuilder.show(); | 
			
		
	
		
			
				
					|  |  |  |  |         //显示对话框
 | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      *函数功能:获取谷歌账户 | 
			
		
	
		
			
				
					|  |  |  |  |      *函数实现:通过账户管理器直接获取 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private Account[] getGoogleAccounts() { | 
			
		
	
		
			
				
					|  |  |  |  |         AccountManager accountManager = AccountManager.get(this); | 
			
		
	
		
			
				
					|  |  |  |  |         return accountManager.getAccountsByType("com.google"); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:设置同步账户 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释: | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private void setSyncAccount(String account) { | 
			
		
	
		
			
				
					|  |  |  |  |         if (!getSyncAccountName(this).equals(account)) { | 
			
		
	
		
			
				
					|  |  |  |  |             //假如该账号不在同步账号列表中
 | 
			
		
	
		
			
				
					|  |  |  |  |             SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); | 
			
		
	
		
			
				
					|  |  |  |  |             SharedPreferences.Editor editor = settings.edit(); | 
			
		
	
		
			
				
					|  |  |  |  |             //编辑共享的首选项
 | 
			
		
	
		
			
				
					|  |  |  |  |             if (account != null) { | 
			
		
	
		
			
				
					|  |  |  |  |                 editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); | 
			
		
	
		
			
				
					|  |  |  |  |             } else { | 
			
		
	
		
			
				
					|  |  |  |  |                 editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  |             //将该账号加入到首选项中
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |             editor.commit(); | 
			
		
	
		
			
				
					|  |  |  |  |             //提交修改的数据
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |             // clean up last sync time
 | 
			
		
	
		
			
				
					|  |  |  |  |             setLastSyncTime(this, 0); | 
			
		
	
		
			
				
					|  |  |  |  |             //将最后同步时间清零
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |             // clean up local gtask related info
 | 
			
		
	
		
			
				
					|  |  |  |  |             new Thread(new Runnable() { | 
			
		
	
	
		
			
				
					|  |  |  | @ -311,23 +422,34 @@ public class NotesPreferenceActivity extends PreferenceActivity { | 
			
		
	
		
			
				
					|  |  |  |  |                     getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); | 
			
		
	
		
			
				
					|  |  |  |  |                 } | 
			
		
	
		
			
				
					|  |  |  |  |             }).start(); | 
			
		
	
		
			
				
					|  |  |  |  |             //重置当地同步任务的信息
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |             Toast.makeText(NotesPreferenceActivity.this, | 
			
		
	
		
			
				
					|  |  |  |  |                     getString(R.string.preferences_toast_success_set_accout, account), | 
			
		
	
		
			
				
					|  |  |  |  |                     Toast.LENGTH_SHORT).show(); | 
			
		
	
		
			
				
					|  |  |  |  |             //将toast的文本信息置为“设置账户成功”并显示出来
 | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:删除同步账户 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释: | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private void removeSyncAccount() { | 
			
		
	
		
			
				
					|  |  |  |  |         SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); | 
			
		
	
		
			
				
					|  |  |  |  |         SharedPreferences.Editor editor = settings.edit(); | 
			
		
	
		
			
				
					|  |  |  |  |         //设置共享首选项
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { | 
			
		
	
		
			
				
					|  |  |  |  |             editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); | 
			
		
	
		
			
				
					|  |  |  |  |             //假如当前首选项中有账户就删除
 | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |         if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { | 
			
		
	
		
			
				
					|  |  |  |  |             editor.remove(PREFERENCE_LAST_SYNC_TIME); | 
			
		
	
		
			
				
					|  |  |  |  |             //删除当前首选项中有账户时间
 | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |         editor.commit(); | 
			
		
	
		
			
				
					|  |  |  |  |         //提交更新后的数据
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         // clean up local gtask related info
 | 
			
		
	
		
			
				
					|  |  |  |  |         new Thread(new Runnable() { | 
			
		
	
	
		
			
				
					|  |  |  | @ -338,51 +460,80 @@ public class NotesPreferenceActivity extends PreferenceActivity { | 
			
		
	
		
			
				
					|  |  |  |  |                 getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  |         }).start(); | 
			
		
	
		
			
				
					|  |  |  |  |         //重置当地同步任务的信息
 | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:获取同步账户名称 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:通过共享的首选项里的信息直接获取 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     public static String getSyncAccountName(Context context) { | 
			
		
	
		
			
				
					|  |  |  |  |         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, | 
			
		
	
		
			
				
					|  |  |  |  |                 Context.MODE_PRIVATE); | 
			
		
	
		
			
				
					|  |  |  |  |         return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:设置最终同步的时间 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     public static void setLastSyncTime(Context context, long time) { | 
			
		
	
		
			
				
					|  |  |  |  |         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, | 
			
		
	
		
			
				
					|  |  |  |  |                 Context.MODE_PRIVATE); | 
			
		
	
		
			
				
					|  |  |  |  |         SharedPreferences.Editor editor = settings.edit(); | 
			
		
	
		
			
				
					|  |  |  |  |         // 从共享首选项中找到相关账户并获取其编辑器
 | 
			
		
	
		
			
				
					|  |  |  |  |         editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); | 
			
		
	
		
			
				
					|  |  |  |  |         editor.commit(); | 
			
		
	
		
			
				
					|  |  |  |  |         //编辑最终同步时间并提交更新
 | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:获取最终同步时间 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:通过共享的首选项里的信息直接获取 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     public static long getLastSyncTime(Context context) { | 
			
		
	
		
			
				
					|  |  |  |  |         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, | 
			
		
	
		
			
				
					|  |  |  |  |                 Context.MODE_PRIVATE); | 
			
		
	
		
			
				
					|  |  |  |  |         return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:接受同步信息 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:继承BroadcastReceiver | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     private class GTaskReceiver extends BroadcastReceiver { | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         @Override | 
			
		
	
		
			
				
					|  |  |  |  |         public void onReceive(Context context, Intent intent) { | 
			
		
	
		
			
				
					|  |  |  |  |             refreshUI(); | 
			
		
	
		
			
				
					|  |  |  |  |             if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { | 
			
		
	
		
			
				
					|  |  |  |  |                 //获取随广播而来的Intent中的同步服务的数据
 | 
			
		
	
		
			
				
					|  |  |  |  |                 TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); | 
			
		
	
		
			
				
					|  |  |  |  |                 syncStatus.setText(intent | 
			
		
	
		
			
				
					|  |  |  |  |                         .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG)); | 
			
		
	
		
			
				
					|  |  |  |  |                 //通过获取的数据在设置系统的状态
 | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /* | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数功能:处理菜单的选项 | 
			
		
	
		
			
				
					|  |  |  |  |      * 函数实现:如下注释 | 
			
		
	
		
			
				
					|  |  |  |  |      * 参数:MenuItem菜单选项 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     public boolean onOptionsItemSelected(MenuItem item) { | 
			
		
	
		
			
				
					|  |  |  |  |         switch (item.getItemId()) { | 
			
		
	
		
			
				
					|  |  |  |  |             //根据选项的id选择,这里只有一个主页
 | 
			
		
	
		
			
				
					|  |  |  |  |             case android.R.id.home: | 
			
		
	
		
			
				
					|  |  |  |  |                 Intent intent = new Intent(this, NotesListActivity.class); | 
			
		
	
		
			
				
					|  |  |  |  |                 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); | 
			
		
	
		
			
				
					|  |  |  |  |                 startActivity(intent); | 
			
		
	
		
			
				
					|  |  |  |  |                 return true; | 
			
		
	
		
			
				
					|  |  |  |  |             //在主页情况下在创建连接组件intent,发出清空的信号并开始一个相应的activity
 | 
			
		
	
		
			
				
					|  |  |  |  |             default: | 
			
		
	
		
			
				
					|  |  |  |  |                 return false; | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
	
		
			
				
					|  |  |  | 
 |