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Update NotesPreferenceActivity.java

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master
p7wl5ofrz 2 months ago
parent 4e4966373d
commit 02228f5605
1 changed files with 86 additions and 24 deletions
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110
源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java
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@ -47,53 +47,63 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
/**
* NotesPreferenceActivity 是便签应用的设置界面，负责管理用户偏好设置和Google任务同步功能。
* 提供账户绑定、同步控制和同步状态显示等功能，通过PreferenceActivity实现设置界面。
*/
public class NotesPreferenceActivity extends PreferenceActivity {
// 偏好设置文件名
public static final String PREFERENCE_NAME = "notes_preferences";
// 存储同步账户名的键
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
// 存储上次同步时间的键
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
// 存储背景随机显示设置的键
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
private static final String AUTHORITIES_FILTER_KEY = "authorities";
private PreferenceCategory mAccountCategory;
private GTaskReceiver mReceiver;
private Account[] mOriAccounts;
private boolean mHasAddedAccount;
private PreferenceCategory mAccountCategory; // 账户设置分类
private GTaskReceiver mReceiver; // 接收同步服务广播
private Account[] mOriAccounts; // 原始账户列表
private boolean mHasAddedAccount; // 是否添加了新账户
/**
* 初始化Activity，设置布局和加载偏好设置。
* 注册广播接收器监听同步服务状态变化，并添加自定义头部视图。
*/
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
/* using the app icon for navigation */
// 设置返回导航
getActionBar().setDisplayHomeAsUpEnabled(true);
// 加载偏好设置布局
addPreferencesFromResource(R.xml.preferences);
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
// 注册广播接收器监听同步服务状态
mReceiver = new GTaskReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter);
mOriAccounts = null;
// 添加自定义头部视图
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
getListView().addHeaderView(header, null, true);
}
/**
* Activity恢复时调用，检查是否添加了新账户并自动设置，刷新UI显示。
*/
@Override
protected void onResume() {
super.onResume();
// need to set sync account automatically if user has added a new
// account
// 如果添加了新账户，自动设置同步账户
if (mHasAddedAccount) {
Account[] accounts = getGoogleAccounts();
if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
@ -116,6 +126,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
refreshUI();
}
/**
* Activity销毁时调用，注销广播接收器以避免内存泄漏。
*/
@Override
protected void onDestroy() {
if (mReceiver != null) {
@ -124,6 +137,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
super.onDestroy();
}
/**
* 加载账户设置偏好项，设置点击事件处理。
* 如果未设置账户，点击显示选择账户对话框；如果已设置，显示变更确认对话框。
*/
private void loadAccountPreference() {
mAccountCategory.removeAll();
@ -135,14 +152,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
public boolean onPreferenceClick(Preference preference) {
if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account
// 首次设置账户
showSelectAccountAlertDialog();
} else {
// if the account has already been set, we need to promp
// user about the risk
// 已设置账户，提示变更风险
showChangeAccountConfirmAlertDialog();
}
} else {
// 同步进行中，禁止更改账户
Toast.makeText(NotesPreferenceActivity.this,
R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
.show();
@ -154,11 +171,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
mAccountCategory.addPreference(accountPref);
}
/**
* 加载同步按钮和上次同步时间显示，根据当前同步状态设置按钮文本和点击事件。
*/
private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
// set button state
// 设置按钮状态
if (GTaskSyncService.isSyncing()) {
syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() {
@ -176,7 +196,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
// set last sync time
// 设置上次同步时间
if (GTaskSyncService.isSyncing()) {
lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE);
@ -193,14 +213,22 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 刷新设置界面UI，重新加载账户设置和同步按钮状态。
*/
private void refreshUI() {
loadAccountPreference();
loadSyncButton();
}
/**
* 显示选择账户对话框，列出设备上的Google账户供用户选择。
* 同时提供添加新账户的选项。
*/
private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// 设置对话框标题和提示信息
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));
@ -217,6 +245,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
mHasAddedAccount = false;
if (accounts.length > 0) {
// 显示账户列表
CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items;
int checkedItem = -1;
@ -237,6 +266,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
});
}
// 添加"添加账户"选项
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView);
@ -244,6 +274,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
addAccountView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mHasAddedAccount = true;
// 启动添加账户界面
Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
"gmail-ls"
@ -254,9 +285,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
});
}
/**
* 显示变更账户确认对话框，提供变更账户、移除账户和取消三个选项。
*/
private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// 设置对话框标题和警告信息
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
@ -265,6 +300,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
dialogBuilder.setCustomTitle(titleView);
// 设置选项菜单
CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account),
@ -273,8 +309,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (which == 0) {
// 变更账户
showSelectAccountAlertDialog();
} else if (which == 1) {
// 移除账户
removeSyncAccount();
refreshUI();
}
@ -283,13 +321,20 @@ public class NotesPreferenceActivity extends PreferenceActivity {
dialogBuilder.show();
}
/**
* 获取设备上的Google账户列表。
*/
private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google");
}
/**
* 设置同步账户，保存账户名到偏好设置，并清理本地同步相关数据。
*/
private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) {
// 保存账户名到偏好设置
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
if (account != null) {
@ -299,10 +344,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
editor.commit();
// clean up last sync time
// 清理上次同步时间
setLastSyncTime(this, 0);
// clean up local gtask related info
// 清理本地GTask相关信息（异步执行）
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -318,6 +363,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 移除同步账户，从偏好设置中删除账户信息，并清理本地同步相关数据。
*/
private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
@ -329,7 +377,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
editor.commit();
// clean up local gtask related info
// 清理本地GTask相关信息（异步执行）
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -340,12 +388,18 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}).start();
}
/**
* 获取当前设置的同步账户名。
*/
public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
/**
* 设置上次同步时间。
*/
public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
@ -354,12 +408,18 @@ public class NotesPreferenceActivity extends PreferenceActivity {
editor.commit();
}
/**
* 获取上次同步时间。
*/
public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}
/**
* 广播接收器，监听GTask同步服务的状态变化，更新UI显示。
*/
private class GTaskReceiver extends BroadcastReceiver {
@Override
@ -373,7 +433,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 处理选项菜单点击事件，实现返回导航功能。
*/
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:

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