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@ -14,6 +14,16 @@
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* limitations under the License.
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*/
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/**
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* 文件: NotesPreferenceActivity.java
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* 描述: 便签应用的设置界面
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* 作用: 提供应用设置选项,特别是Google账户同步功能的配置
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* 功能:
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* 1. 管理Google账户同步设置
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* 2. 提供同步按钮和状态显示
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* 3. 处理账户选择和添加
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* 4. 显示上次同步时间
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*/
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package net.micode.notes.ui;
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import android.accounts.Account;
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@ -47,53 +57,81 @@ import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.gtask.remote.GTaskSyncService;
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/**
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* 便签设置活动类
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*
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* 继承自PreferenceActivity,提供便签应用的设置界面
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* 主要功能是配置Google账户同步,包括账户选择和同步操作
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* 显示同步状态和上次同步时间
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*/
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public class NotesPreferenceActivity extends PreferenceActivity {
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/** 首选项文件名 */
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public static final String PREFERENCE_NAME = "notes_preferences";
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/** 同步账户名称的首选项键 */
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public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
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/** 上次同步时间的首选项键 */
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public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
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/** 背景颜色设置的首选项键 */
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public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
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/** 同步账户设置的首选项键 */
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private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
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/** 账户筛选的权限键 */
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private static final String AUTHORITIES_FILTER_KEY = "authorities";
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/** 账户设置分类 */
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private PreferenceCategory mAccountCategory;
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/** Google任务同步广播接收器 */
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private GTaskReceiver mReceiver;
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/** 原始账户列表,用于检测新添加的账户 */
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private Account[] mOriAccounts;
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/** 是否已添加新账户的标志 */
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private boolean mHasAddedAccount;
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/**
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* 活动创建时的初始化
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*
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* @param icicle 保存的实例状态
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*/
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@Override
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protected void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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/* using the app icon for navigation */
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/* 设置应用图标用于导航 */
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getActionBar().setDisplayHomeAsUpEnabled(true);
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// 加载首选项资源
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addPreferencesFromResource(R.xml.preferences);
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mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
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// 注册同步服务广播接收器
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mReceiver = new GTaskReceiver();
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IntentFilter filter = new IntentFilter();
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filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
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registerReceiver(mReceiver, filter);
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mOriAccounts = null;
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// 添加设置页面头部视图
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View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
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getListView().addHeaderView(header, null, true);
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}
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/**
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* 活动恢复时的处理
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* 检查是否添加了新账户,并刷新UI
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*/
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@Override
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protected void onResume() {
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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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// 如果用户添加了新账户,需要自动设置为同步账户
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if (mHasAddedAccount) {
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Account[] accounts = getGoogleAccounts();
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if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
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@ -106,6 +144,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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}
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}
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if (!found) {
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// 找到新添加的账户,设置为同步账户
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setSyncAccount(accountNew.name);
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break;
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}
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@ -113,9 +152,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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}
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}
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// 刷新UI显示
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refreshUI();
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}
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/**
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* 活动销毁时的清理工作
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*/
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@Override
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protected void onDestroy() {
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if (mReceiver != null) {
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@ -124,6 +167,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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super.onDestroy();
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}
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/**
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* 加载账户首选项
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* 设置账户选择的点击监听器
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*/
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private void loadAccountPreference() {
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mAccountCategory.removeAll();
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@ -135,14 +182,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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public boolean onPreferenceClick(Preference preference) {
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if (!GTaskSyncService.isSyncing()) {
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if (TextUtils.isEmpty(defaultAccount)) {
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// the first time to set account
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// 首次设置账户
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showSelectAccountAlertDialog();
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} else {
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// if the account has already been set, we need to promp
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// user about the risk
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// 如果账户已设置,需要提示用户更改的风险
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showChangeAccountConfirmAlertDialog();
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}
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} else {
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// 同步进行中,不能更改账户
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Toast.makeText(NotesPreferenceActivity.this,
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R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
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.show();
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@ -154,12 +201,17 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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mAccountCategory.addPreference(accountPref);
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}
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/**
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* 加载同步按钮和状态
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* 设置按钮状态和点击监听器
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*/
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private void loadSyncButton() {
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Button syncButton = (Button) findViewById(R.id.preference_sync_button);
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TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
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// set button state
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// 根据同步状态设置按钮文本和点击事件
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if (GTaskSyncService.isSyncing()) {
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// 同步进行中,显示取消同步按钮
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syncButton.setText(getString(R.string.preferences_button_sync_cancel));
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syncButton.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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@ -167,6 +219,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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}
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});
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} else {
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// 未同步,显示立即同步按钮
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syncButton.setText(getString(R.string.preferences_button_sync_immediately));
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syncButton.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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@ -174,13 +227,16 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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}
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});
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}
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// 只有设置了同步账户才启用同步按钮
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syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
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// set last sync time
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// 设置上次同步时间显示
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if (GTaskSyncService.isSyncing()) {
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// 同步进行中,显示进度信息
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lastSyncTimeView.setText(GTaskSyncService.getProgressString());
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lastSyncTimeView.setVisibility(View.VISIBLE);
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} else {
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// 未同步,显示上次同步时间
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long lastSyncTime = getLastSyncTime(this);
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if (lastSyncTime != 0) {
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lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
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@ -193,14 +249,23 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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}
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}
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/**
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* 刷新UI显示
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* 更新账户设置和同步按钮状态
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*/
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private void refreshUI() {
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loadAccountPreference();
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loadSyncButton();
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}
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/**
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* 显示选择账户对话框
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* 列出所有Google账户供用户选择
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*/
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private void showSelectAccountAlertDialog() {
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AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
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// 设置对话框标题和副标题
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View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
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TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
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titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
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@ -210,6 +275,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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dialogBuilder.setCustomTitle(titleView);
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dialogBuilder.setPositiveButton(null, null);
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// 获取所有Google账户
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Account[] accounts = getGoogleAccounts();
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String defAccount = getSyncAccountName(this);
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@ -217,6 +283,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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mHasAddedAccount = false;
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if (accounts.length > 0) {
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// 显示账户列表
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CharSequence[] items = new CharSequence[accounts.length];
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final CharSequence[] itemMapping = items;
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int checkedItem = -1;
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@ -230,6 +297,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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dialogBuilder.setSingleChoiceItems(items, checkedItem,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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// 选择账户后设置为同步账户
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setSyncAccount(itemMapping[which].toString());
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dialog.dismiss();
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refreshUI();
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@ -237,12 +305,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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});
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}
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// 添加"添加账户"选项
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View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
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dialogBuilder.setView(addAccountView);
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final AlertDialog dialog = dialogBuilder.show();
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addAccountView.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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// 标记已添加账户,跳转到添加账户界面
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mHasAddedAccount = true;
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Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
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intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
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@ -254,9 +324,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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});
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}
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/**
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* 显示更改账户确认对话框
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* 提醒用户更改账户可能导致的问题
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*/
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private void showChangeAccountConfirmAlertDialog() {
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AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
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// 设置对话框标题和警告信息
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View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
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TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
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titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
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@ -265,6 +340,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
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dialogBuilder.setCustomTitle(titleView);
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// 设置选项菜单
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CharSequence[] menuItemArray = new CharSequence[] {
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getString(R.string.preferences_menu_change_account),
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getString(R.string.preferences_menu_remove_account),
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@ -273,8 +349,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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if (which == 0) {
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// 更改账户
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showSelectAccountAlertDialog();
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} else if (which == 1) {
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// 移除账户
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removeSyncAccount();
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refreshUI();
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}
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@ -283,13 +361,24 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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dialogBuilder.show();
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}
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/**
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* 获取设备上的所有Google账户
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*
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* @return Google账户数组
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*/
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private Account[] getGoogleAccounts() {
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AccountManager accountManager = AccountManager.get(this);
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return accountManager.getAccountsByType("com.google");
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}
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/**
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* 设置同步账户
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*
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* @param account 账户名称
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*/
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private void setSyncAccount(String account) {
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if (!getSyncAccountName(this).equals(account)) {
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// 保存账户名称到首选项
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SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
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SharedPreferences.Editor editor = settings.edit();
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if (account != null) {
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@ -299,10 +388,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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}
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editor.commit();
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// clean up last sync time
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// 清除上次同步时间
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setLastSyncTime(this, 0);
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// clean up local gtask related info
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// 清除本地Google任务相关信息
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new Thread(new Runnable() {
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public void run() {
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ContentValues values = new ContentValues();
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@ -312,13 +401,19 @@ public class NotesPreferenceActivity extends PreferenceActivity {
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}
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}).start();
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// 显示设置成功提示
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Toast.makeText(NotesPreferenceActivity.this,
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getString(R.string.preferences_toast_success_set_accout, account),
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Toast.LENGTH_SHORT).show();
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}
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}
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/**
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|
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|
* 移除同步账户
|
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|
|
|
* 清除所有同步相关设置
|
|
|
|
|
*/
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|
|
private void removeSyncAccount() {
|
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|
|
|
// 从首选项中移除账户名称和同步时间
|
|
|
|
|
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
|
|
|
|
|
SharedPreferences.Editor editor = settings.edit();
|
|
|
|
|
if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
|
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|
|
@ -329,7 +424,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
|
|
|
|
|
}
|
|
|
|
|
editor.commit();
|
|
|
|
|
|
|
|
|
|
// clean up local gtask related info
|
|
|
|
|
// 清除本地Google任务相关信息
|
|
|
|
|
new Thread(new Runnable() {
|
|
|
|
|
public void run() {
|
|
|
|
|
ContentValues values = new ContentValues();
|
|
|
|
@ -340,12 +435,24 @@ public class NotesPreferenceActivity extends PreferenceActivity {
|
|
|
|
|
}).start();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取同步账户名称
|
|
|
|
|
*
|
|
|
|
|
* @param context 上下文环境
|
|
|
|
|
* @return 同步账户名称,如果未设置则返回空字符串
|
|
|
|
|
*/
|
|
|
|
|
public static String getSyncAccountName(Context context) {
|
|
|
|
|
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
|
|
|
|
|
Context.MODE_PRIVATE);
|
|
|
|
|
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置上次同步时间
|
|
|
|
|
*
|
|
|
|
|
* @param context 上下文环境
|
|
|
|
|
* @param time 同步时间戳
|
|
|
|
|
*/
|
|
|
|
|
public static void setLastSyncTime(Context context, long time) {
|
|
|
|
|
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
|
|
|
|
|
Context.MODE_PRIVATE);
|
|
|
|
@ -354,18 +461,33 @@ public class NotesPreferenceActivity extends PreferenceActivity {
|
|
|
|
|
editor.commit();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取上次同步时间
|
|
|
|
|
*
|
|
|
|
|
* @param context 上下文环境
|
|
|
|
|
* @return 上次同步的时间戳,如果未同步则返回0
|
|
|
|
|
*/
|
|
|
|
|
public static long getLastSyncTime(Context context) {
|
|
|
|
|
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
|
|
|
|
|
Context.MODE_PRIVATE);
|
|
|
|
|
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Google任务同步广播接收器
|
|
|
|
|
* 用于接收同步服务的状态更新广播
|
|
|
|
|
*/
|
|
|
|
|
private class GTaskReceiver extends BroadcastReceiver {
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 接收同步服务广播
|
|
|
|
|
* 更新UI显示同步状态
|
|
|
|
|
*/
|
|
|
|
|
@Override
|
|
|
|
|
public void onReceive(Context context, Intent intent) {
|
|
|
|
|
refreshUI();
|
|
|
|
|
if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
|
|
|
|
|
// 同步进行中,更新进度显示
|
|
|
|
|
TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
|
|
|
|
|
syncStatus.setText(intent
|
|
|
|
|
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
|
|
|
|
@ -374,9 +496,16 @@ public class NotesPreferenceActivity extends PreferenceActivity {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 处理选项菜单项点击事件
|
|
|
|
|
*
|
|
|
|
|
* @param item 点击的菜单项
|
|
|
|
|
* @return 是否已处理事件
|
|
|
|
|
*/
|
|
|
|
|
public boolean onOptionsItemSelected(MenuItem item) {
|
|
|
|
|
switch (item.getItemId()) {
|
|
|
|
|
case android.R.id.home:
|
|
|
|
|
// 返回主界面
|
|
|
|
|
Intent intent = new Intent(this, NotesListActivity.class);
|
|
|
|
|
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
|
|
|
|
|
startActivity(intent);
|
|
|
|
|