1 /* 2 * Copyright (C) 2013 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.example.android.smssample; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.os.Build; 22 import android.os.Build.VERSION_CODES; 23 import android.provider.Telephony; 24 import android.provider.Telephony.Sms.Intents; 25 26 public class Utils { 27 28 /** 29 * Check if the device runs Android 4.3 (JB MR2) or higher. 30 */ 31 public static boolean hasJellyBeanMR2() { 32 return Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR2; 33 } 34 35 /** 36 * Check if the device runs Android 4.4 (KitKat) or higher. 37 */ 38 public static boolean hasKitKat() { 39 return Build.VERSION.SDK_INT >= VERSION_CODES.KITKAT; 40 } 41 42 /** 43 * Check if your app is the default system SMS app. 44 * @param context The Context 45 * @return True if it is default, False otherwise. Pre-KitKat will always return True. 46 */ 47 public static boolean isDefaultSmsApp(Context context) { 48 if (hasKitKat()) { 49 return context.getPackageName().equals(Telephony.Sms.getDefaultSmsPackage(context)); 50 } 51 52 return true; 53 } 54 55 /** 56 * Trigger the intent to open the system dialog that asks the user to change the default 57 * SMS app. 58 * @param context The Context 59 */ 60 public static void setDefaultSmsApp(Context context) { 61 // This is a new intent which only exists on KitKat 62 if (hasKitKat()) { 63 Intent intent = new Intent(Intents.ACTION_CHANGE_DEFAULT); 64 intent.putExtra(Intents.EXTRA_PACKAGE_NAME, context.getPackageName()); 65 context.startActivity(intent); 66 } 67 } 68 } 69
