244 lines
9.4 KiB
Java
244 lines
9.4 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email2.ui;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.database.Cursor;
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import android.os.Bundle;
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import android.util.Log;
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import com.android.email.NotificationController;
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import com.android.email.Preferences;
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import com.android.email.R;
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import com.android.email.service.AttachmentDownloadService;
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import com.android.email.service.EmailServiceUtils;
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import com.android.email.service.MailService;
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import com.android.emailcommon.Logging;
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import com.android.emailcommon.TempDirectory;
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import com.android.emailcommon.provider.Account;
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import com.android.emailcommon.provider.EmailContent;
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import com.android.emailcommon.service.EmailServiceProxy;
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import com.android.emailcommon.utility.EmailAsyncTask;
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import com.android.emailcommon.utility.Utility;
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public class MailActivityEmail extends com.android.mail.ui.MailActivity {
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/**
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* If this is enabled there will be additional logging information sent to
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* Log.d, including protocol dumps.
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*
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* This should only be used for logs that are useful for debbuging user problems,
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* not for internal/development logs.
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*
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* This can be enabled by typing "debug" in the AccountFolderList activity.
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* Changing the value to 'true' here will likely have no effect at all!
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*
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* TODO: rename this to sUserDebug, and rename LOGD below to DEBUG.
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*/
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public static boolean DEBUG;
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// Exchange debugging flags (passed to Exchange, when available, via EmailServiceProxy)
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public static boolean DEBUG_EXCHANGE;
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public static boolean DEBUG_VERBOSE;
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public static boolean DEBUG_FILE;
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/**
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* If true, inhibit hardware graphics acceleration in UI (for a/b testing)
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*/
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public static boolean sDebugInhibitGraphicsAcceleration = false;
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/**
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* Specifies how many messages will be shown in a folder by default. This number is set
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* on each new folder and can be incremented with "Load more messages..." by the
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* VISIBLE_LIMIT_INCREMENT
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*/
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public static final int VISIBLE_LIMIT_DEFAULT = 25;
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/**
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* Number of additional messages to load when a user selects "Load more messages..."
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*/
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public static final int VISIBLE_LIMIT_INCREMENT = 25;
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/**
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* This is used to force stacked UI to return to the "welcome" screen any time we change
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* the accounts list (e.g. deleting accounts in the Account Manager preferences.)
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*/
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private static boolean sAccountsChangedNotification = false;
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private static String sMessageDecodeErrorString;
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private static Thread sUiThread;
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/**
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* Asynchronous version of {@link #setServicesEnabledSync(Context)}. Use when calling from
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* UI thread (or lifecycle entry points.)
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*
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* @param context
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*/
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public static void setServicesEnabledAsync(final Context context) {
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EmailAsyncTask.runAsyncParallel(new Runnable() {
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@Override
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public void run() {
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setServicesEnabledSync(context);
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}
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});
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}
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/**
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* Called throughout the application when the number of accounts has changed. This method
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* enables or disables the Compose activity, the boot receiver and the service based on
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* whether any accounts are configured.
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*
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* Blocking call - do not call from UI/lifecycle threads.
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*
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* @param context
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* @return true if there are any accounts configured.
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*/
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public static boolean setServicesEnabledSync(Context context) {
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// Make sure we're initialized
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EmailContent.init(context);
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Cursor c = null;
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try {
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c = context.getContentResolver().query(
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Account.CONTENT_URI,
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Account.ID_PROJECTION,
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null, null, null);
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boolean enable = c.getCount() > 0;
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setServicesEnabled(context, enable);
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return enable;
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} finally {
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if (c != null) {
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c.close();
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}
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}
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}
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private static void setServicesEnabled(Context context, boolean enabled) {
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PackageManager pm = context.getPackageManager();
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pm.setComponentEnabledSetting(
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new ComponentName(context, MailService.class),
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enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED :
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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pm.setComponentEnabledSetting(
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new ComponentName(context, AttachmentDownloadService.class),
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enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED :
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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// Start/stop the various services depending on whether there are any accounts
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startOrStopService(enabled, context, new Intent(context, AttachmentDownloadService.class));
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NotificationController.getInstance(context).watchForMessages();
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}
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/**
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* Starts or stops the service as necessary.
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* @param enabled If {@code true}, the service will be started. Otherwise, it will be stopped.
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* @param context The context to manage the service with.
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* @param intent The intent of the service to be managed.
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*/
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private static void startOrStopService(boolean enabled, Context context, Intent intent) {
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if (enabled) {
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context.startService(intent);
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} else {
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context.stopService(intent);
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}
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}
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@Override
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public void onCreate(Bundle bundle) {
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super.onCreate(bundle);
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sUiThread = Thread.currentThread();
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Preferences prefs = Preferences.getPreferences(this);
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DEBUG = prefs.getEnableDebugLogging();
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sDebugInhibitGraphicsAcceleration = prefs.getInhibitGraphicsAcceleration();
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enableStrictMode(prefs.getEnableStrictMode());
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TempDirectory.setTempDirectory(this);
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// Enable logging in the EAS service, so it starts up as early as possible.
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updateLoggingFlags(this);
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// Get a helper string used deep inside message decoders (which don't have context)
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sMessageDecodeErrorString = getString(R.string.message_decode_error);
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// Make sure all required services are running when the app is started (can prevent
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// issues after an adb sync/install)
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setServicesEnabledAsync(this);
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}
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/**
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* Load enabled debug flags from the preferences and update the EAS debug flag.
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*/
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public static void updateLoggingFlags(Context context) {
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Preferences prefs = Preferences.getPreferences(context);
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int debugLogging = prefs.getEnableDebugLogging() ? EmailServiceProxy.DEBUG_BIT : 0;
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int verboseLogging =
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prefs.getEnableExchangeLogging() ? EmailServiceProxy.DEBUG_VERBOSE_BIT : 0;
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int fileLogging =
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prefs.getEnableExchangeFileLogging() ? EmailServiceProxy.DEBUG_FILE_BIT : 0;
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int enableStrictMode =
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prefs.getEnableStrictMode() ? EmailServiceProxy.DEBUG_ENABLE_STRICT_MODE : 0;
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int debugBits = debugLogging | verboseLogging | fileLogging | enableStrictMode;
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EmailServiceUtils.setRemoteServicesLogging(context, debugBits);
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}
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/**
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* Internal, utility method for logging.
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* The calls to log() must be guarded with "if (Email.LOGD)" for performance reasons.
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*/
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public static void log(String message) {
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Log.d(Logging.LOG_TAG, message);
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}
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/**
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* Called by the accounts reconciler to notify that accounts have changed, or by "Welcome"
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* to clear the flag.
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* @param setFlag true to set the notification flag, false to clear it
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*/
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public static synchronized void setNotifyUiAccountsChanged(boolean setFlag) {
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sAccountsChangedNotification = setFlag;
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}
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/**
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* Called from activity onResume() functions to check for an accounts-changed condition, at
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* which point they should finish() and jump to the Welcome activity.
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*/
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public static synchronized boolean getNotifyUiAccountsChanged() {
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return sAccountsChangedNotification;
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}
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public static void warnIfUiThread() {
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if (Thread.currentThread().equals(sUiThread)) {
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Log.w(Logging.LOG_TAG, "Method called on the UI thread", new Exception("STACK TRACE"));
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}
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}
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/**
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* Retrieve a simple string that can be used when message decoders encounter bad data.
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* This is provided here because the protocol decoders typically don't have mContext.
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*/
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public static String getMessageDecodeErrorString() {
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return sMessageDecodeErrorString != null ? sMessageDecodeErrorString : "";
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}
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public static void enableStrictMode(boolean enabled) {
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Utility.enableStrictMode(enabled);
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}
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}
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