1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.basicsmsreceiver; 18 19 import android.app.Activity; 20 import android.app.Application; 21 import android.content.SharedPreferences; 22 import android.util.Log; 23 24 public class BasicSmsReceiverApp extends Application { 25 public static final String LOG_TAG = "BasicSmsReceiverApp"; 26 public static final String SMS_LITE_PREFS_KEY = "sms_lite_prefs"; 27 public static final String PREF_KEY_NOTIFICATION_ID = "notification_id"; 28 29 static BasicSmsReceiverApp gBasicSmsReceiverApp; 30 31 @Override onCreate()32 public void onCreate() { 33 super.onCreate(); 34 35 gBasicSmsReceiverApp = this; 36 } 37 getBasicSmsReceiverApp()38 public static BasicSmsReceiverApp getBasicSmsReceiverApp() { 39 return gBasicSmsReceiverApp; 40 } 41 42 // Each incoming sms gets its own notification. We have to use a new unique notification id 43 // for each one. getNextNotificationId()44 public int getNextNotificationId() { 45 SharedPreferences prefs = getSharedPreferences(SMS_LITE_PREFS_KEY, 46 Activity.MODE_PRIVATE); 47 int notificationId = prefs.getInt(PREF_KEY_NOTIFICATION_ID, 0); 48 ++notificationId; 49 if (notificationId > 32765) { 50 notificationId = 1; // wrap around before it gets dangerous 51 } 52 53 // Save the updated notificationId in SharedPreferences 54 SharedPreferences.Editor editor = prefs.edit(); 55 editor.putInt(PREF_KEY_NOTIFICATION_ID, notificationId); 56 editor.apply(); 57 58 Log.d(LOG_TAG, "getNextNotificationId: " + notificationId); 59 60 return notificationId; 61 } 62 } 63