replicant-packages_apps_Email/src/com/android/email/OneTimeInitializer.java

88 lines
3.4 KiB
Java

/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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 com.android.email;
import com.android.email.service.EasAuthenticatorService;
import com.android.email.service.EasAuthenticatorServiceAlternate;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.util.Config;
import android.util.Log;
/**
* A class that performs one-time initialization after installation.
*
* <p>Android doesn't offer any mechanism to trigger an app right after installation, so we use the
* BOOT_COMPLETED broadcast intent instead. This means, when the app is upgraded, the
* initialization code here won't run until the device reboots.
*/
public class OneTimeInitializer extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (Intent.ACTION_BOOT_COMPLETED.equals(intent.getAction())) {
initialize(context);
}
}
/**
* Perform the one-time initialization.
*/
private void initialize(Context context) {
if (Config.LOGD) {
Log.d(Email.LOG_TAG, "OneTimeInitializer: initializing...");
}
final Preferences pref = Preferences.getPreferences(context);
int progress = pref.getOneTimeInitializationProgress();
if (progress < 1) {
progress = 1;
if (VendorPolicyLoader.getInstance(context).useAlternateExchangeStrings()) {
setComponentEnabled(context, EasAuthenticatorServiceAlternate.class, true);
setComponentEnabled(context, EasAuthenticatorService.class, false);
}
}
// If we need other initializations in the future...
// - add your initialization code here, and
// - rename this class to something like "OneTimeInitializer2" (and modify AndroidManifest
// accordingly)
// Renaming is necessary because once we disable a component, it won't be automatically
// enabled again even when the app is upgraded.
// Use "progress" to skip the initializations that's already done before.
// Using this preference also makes it safe when a user skips an upgrade. (i.e. upgrading
// version N to version N+2)
// Save progress and disable itself.
pref.setOneTimeInitializationProgress(progress);
setComponentEnabled(context, getClass(), false);
}
private void setComponentEnabled(Context context, Class<?> clazz, boolean enabled) {
final ComponentName c = new ComponentName(context, clazz.getName());
context.getPackageManager().setComponentEnabledSetting(c,
enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
: PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
PackageManager.DONT_KILL_APP);
}
}