1 /* 2 * Copyright (C) 2017 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 package com.android.wallpaper.util; 17 18 import android.app.Activity; 19 import android.content.ActivityNotFoundException; 20 import android.content.Intent; 21 import android.util.Log; 22 import android.widget.Toast; 23 24 import com.android.wallpaper.R; 25 26 /** 27 * Various utilities pertaining to activities. 28 */ 29 public final class ActivityUtils { 30 31 /** 32 * Starts an activity with the given intent "safely" - i.e., catches exceptions that may occur 33 * and displays a toast to the user in response to such issues. 34 * 35 * @param activity 36 * @param intent 37 * @param requestCode 38 */ startActivityForResultSafely( Activity activity, Intent intent, int requestCode)39 public static void startActivityForResultSafely( 40 Activity activity, Intent intent, int requestCode) { 41 try { 42 activity.startActivityForResult(intent, requestCode); 43 } catch (ActivityNotFoundException e) { 44 Toast.makeText(activity, R.string.app_not_found, Toast.LENGTH_SHORT).show(); 45 } catch (SecurityException e) { 46 Toast.makeText(activity, R.string.app_not_found, Toast.LENGTH_SHORT).show(); 47 Log.e("Wallpaper", "Wallpaper does not have the permission to launch " + intent 48 + ". Make sure to create a MAIN intent-filter for the corresponding activity " 49 + "or use the exported attribute for this activity.", e); 50 } 51 } 52 } 53