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ple93m5su 2 years ago
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src/NotesPreferenceActivity.java
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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.ui;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.ActionBar;
import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceActivity;
import android.preference.PreferenceCategory;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
/**
* @projectName（项目名称）: xiaomi label
* @package（包）: ui
* @className（类名称）: NotesPreferenceActivity
* @description（类描述）: 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，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
* @author（创建人）: zhangchaoqun
* @createDate（创建时间）: datetime
* @updateUser（修改人）: user
* @updateDate（修改时间）: datetime
* @updateRemark（修改备注）: 说明本次修改内容
* @version（版本）: v1.0
*/
public class NotesPreferenceActivity extends PreferenceActivity {
public static final String PREFERENCE_NAME = "notes_preferences";//优先名
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";//同步账号
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";//同步时间
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";//同步密码
private static final String AUTHORITIES_FILTER_KEY = "authorities";//本地密码
private PreferenceCategory mAccountCategory;//账号分组
private GTaskReceiver mReceiver;//同步任务接收器
private Account[] mOriAccounts;//账户
private boolean mHasAddedAccount;//账户的hash标记
/**
* @description 描述:创建一个activity，在函数里要完成所有的正常静态设置
* @param 参数1:icicle（存放了当前activity的状态）
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
/* using the app icon for navigation */
getActionBar().setDisplayHomeAsUpEnabled(true);
addPreferencesFromResource(R.xml.preferences);
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
mReceiver = new GTaskReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter);
mOriAccounts = null;
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
getListView().addHeaderView(header, null, true);
}
/**
* @description 描述:activity交互功能的实现，用于接受用户的输入
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
@Override
protected void onResume() {
super.onResume();
// need to set sync account automatically if user has added a new
// account
if (mHasAddedAccount) {
Account[] accounts = getGoogleAccounts();
if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
for (Account accountNew : accounts) {
boolean found = false;
for (Account accountOld : mOriAccounts) {
if (TextUtils.equals(accountOld.name, accountNew.name)) {
found = true;
break;
}
}
if (!found) {
setSyncAccount(accountNew.name);
break;
}
}
}
}
refreshUI();
}
/**
* @description 描述:销毁一个activity
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
@Override
protected void onDestroy() {
if (mReceiver != null) {
unregisterReceiver(mReceiver);
}
super.onDestroy();
}
/**
* @description 描述:重新设置账户信息
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
private void loadAccountPreference() {
mAccountCategory.removeAll();
Preference accountPref = new Preference(this);
final String defaultAccount = getSyncAccountName(this);
accountPref.setTitle(getString(R.string.preferences_account_title));
accountPref.setSummary(getString(R.string.preferences_account_summary));
accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
public boolean onPreferenceClick(Preference preference) {
if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account
showSelectAccountAlertDialog();
} else {
// if the account has already been set, we need to promp
// user about the risk
showChangeAccountConfirmAlertDialog();
}
} else {
Toast.makeText(NotesPreferenceActivity.this,
R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
.show();
}
return true;
}
});
mAccountCategory.addPreference(accountPref);
}
/**
* @description 描述:设置按键的状态和最后同步的时间
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
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
if (GTaskSyncService.isSyncing()) {
syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
}
});
} else {
syncButton.setText(getString(R.string.preferences_button_sync_immediately));
syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
GTaskSyncService.startSync(NotesPreferenceActivity.this);
}
});
}
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
// set last sync time
if (GTaskSyncService.isSyncing()) {
lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE);
} else {
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);
} else {
lastSyncTimeView.setVisibility(View.GONE);
}
}
}
/**
* @description 描述:刷新标签界面
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
private void refreshUI() {
loadAccountPreference();//上文中的设置账号
loadSyncButton();//上文设置按键
}
/**
* @description 描述:显示账户选择的对话框并进行账户的设置
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
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));
dialogBuilder.setCustomTitle(titleView);
dialogBuilder.setPositiveButton(null, null);
Account[] accounts = getGoogleAccounts();
String defAccount = getSyncAccountName(this);
mOriAccounts = accounts;
mHasAddedAccount = false;
if (accounts.length > 0) {
CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items;
int checkedItem = -1;
int index = 0;
for (Account account : accounts) {
if (TextUtils.equals(account.name, defAccount)) {
checkedItem = index;
}
items[index++] = account.name;
}
dialogBuilder.setSingleChoiceItems(items, checkedItem,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
setSyncAccount(itemMapping[which].toString());
dialog.dismiss();
refreshUI();
}
});
}
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView);
final AlertDialog dialog = dialogBuilder.show();
addAccountView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mHasAddedAccount = true;
Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
"gmail-ls"
});
startActivityForResult(intent, -1);
dialog.dismiss();
}
});
}
/**
* @description 描述:显示账户选择对话框和相关账户操作
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
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));
dialogBuilder.setCustomTitle(titleView);
CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account),
getString(R.string.preferences_menu_cancel)
};
dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (which == 0) {
showSelectAccountAlertDialog();
} else if (which == 1) {
removeSyncAccount();
refreshUI();
}
}
});
dialogBuilder.show();
}
/**
* @description 描述:获取谷歌账户
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:Account返回得到的账户
* @author zhangchaoqun
*/
private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google");
}
/**
* @description 描述:设置同步账户
* @param 参数1:account
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
if (account != null) {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
} else {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
editor.commit();
// clean up last sync time
setLastSyncTime(this, 0);
// clean up local gtask related info
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
values.put(NoteColumns.GTASK_ID, "");
values.put(NoteColumns.SYNC_ID, 0);
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
}
}).start();
Toast.makeText(NotesPreferenceActivity.this,
getString(R.string.preferences_toast_success_set_accout, account),
Toast.LENGTH_SHORT).show();
}
}
/**
* @description 描述:删除同步账户
* @param 参数1:
* @param 参数2:
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
}
if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
editor.remove(PREFERENCE_LAST_SYNC_TIME);
}
editor.commit();
// clean up local gtask related info
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
values.put(NoteColumns.GTASK_ID, "");
values.put(NoteColumns.SYNC_ID, 0);
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
}
}).start();
}
/**
* @description 描述:获取同步账户名称
* @param 参数1:context
* @param 参数2:
* @param 参数3:
* @return 返回值:String账户名
* @author zhangchaoqun
*/
public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
/**
* @description 描述:设置最终同步的时间
* @param 参数1:context
* @param 参数2:time
* @param 参数3:
* @return 返回值:void
* @author zhangchaoqun
*/
public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
editor.commit();
}
/**
* @description 描述:获取最终同步时间
* @param 参数1:context
* @param 参数2:
* @param 参数3:
* @return 返回值:long表示时间
* @author zhangchaoqun
*/
public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}
/**
* @projectName（项目名称）: xiaomi label
* @package（包）: ui
* @className（类名称）: GTaskReceiver
* @description（类描述）: 继承于roadcastReceiver，用于接收同步信息
* @author（创建人）: zhangchaoqun
* @createDate（创建时间）: datetime
* @updateUser（修改人）: user
* @updateDate（修改时间）: datetime
* @updateRemark（修改备注）: 说明本次修改内容
* @version（版本）: v1.0
*/
private class GTaskReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
refreshUI();
if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
syncStatus.setText(intent
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
}
}
}
/**
* @description 描述:处理菜单的选项
* @param 参数1:item
* @param 参数2:
* @param 参数3:
* @return 返回值:bool是否处理成功
* @author zhangchaoqun
*/
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
default:
return false;
}
}
}
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