/*
* Copyright (C) 2011 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.cellbroadcastreceiver;
import android.app.Application;
import android.content.SharedPreferences;
import android.util.Log;
import android.preference.PreferenceManager;
import static com.android.cellbroadcastreceiver.CellBroadcastReceiver.DBG;
/**
* The application class loads the default preferences at first start,
* and remembers the time of the most recently received broadcast.
*/
public class CellBroadcastReceiverApp extends Application {
public static final String LOG_TAG = "CellBroadcastReceiverApp";
public static final String PREF_KEY_NOTIFICATION_ID = "notification_id";
static CellBroadcastReceiverApp gCellBroadcastReceiverApp;
@Override
public void onCreate() {
super.onCreate();
PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
gCellBroadcastReceiverApp = this;
}
public static CellBroadcastReceiverApp getCellBroadcastReceiverApp() {
return gCellBroadcastReceiverApp;
}
// Each incoming CB gets its own notification. We have to use a new unique notification id
// for each one.
public int getNextNotificationId() {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
int notificationId = prefs.getInt(PREF_KEY_NOTIFICATION_ID, 0);
++notificationId;
if (notificationId > 32765) {
notificationId = 1; // wrap around before it gets dangerous
}
// Save the updated notificationId in SharedPreferences
SharedPreferences.Editor editor = prefs.edit();
editor.putInt(PREF_KEY_NOTIFICATION_ID, notificationId);
editor.apply();
if (DBG) Log.d(LOG_TAG, "getNextNotificationId: " + notificationId);
return notificationId;
}
}