1 /* 2 * Copyright (C) 2016 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.contacts.activities; 18 19 import android.Manifest.permission; 20 import android.app.Activity; 21 import android.content.Intent; 22 import android.content.pm.PackageManager; 23 import android.os.Bundle; 24 25 import java.util.ArrayList; 26 import java.util.List; 27 28 /** 29 * Requests permissions that are not absolutely required by the calling Activity; 30 * if permissions are denied, the calling Activity is still restarted. 31 * 32 * Activities that have a set of permissions that must be granted in order for the Activity to 33 * function propertly should call 34 * {@link RequestPermissionsActivity#startPermissionActivity(Activity, String[], Class)} 35 * before calling {@link RequestDesiredPermissionsActivity#startPermissionActivity(Activity)}. 36 */ 37 public class RequestDesiredPermissionsActivity extends RequestPermissionsActivityBase { 38 39 private static String[] sDesiredPermissions; 40 41 @Override getPermissions()42 protected String[] getPermissions() { 43 return getPermissions(getPackageManager()); 44 } 45 46 /** 47 * If any desired permission that Contacts app needs are missing, open an Activity 48 * to prompt user for these permissions. After that calling activity is restarted 49 * and in the second run permission check is skipped. 50 * 51 * This is designed to be called inside {@link android.app.Activity#onCreate} 52 */ startPermissionActivity(Activity activity)53 public static boolean startPermissionActivity(Activity activity) { 54 final Bundle extras = activity.getIntent().getExtras(); 55 if (extras != null && extras.getBoolean(EXTRA_STARTED_PERMISSIONS_ACTIVITY, false)) { 56 return false; 57 } 58 return startPermissionActivity(activity, 59 getPermissions(activity.getPackageManager()), 60 RequestDesiredPermissionsActivity.class); 61 } 62 getPermissions(PackageManager packageManager)63 private static String[] getPermissions(PackageManager packageManager) { 64 if (sDesiredPermissions == null) { 65 final List<String> permissions = new ArrayList<>(); 66 // Calendar group 67 permissions.add(permission.READ_CALENDAR); 68 69 if (packageManager.hasSystemFeature(PackageManager.FEATURE_TELEPHONY)) { 70 // SMS group 71 permissions.add(permission.READ_SMS); 72 } 73 sDesiredPermissions = permissions.toArray(new String[0]); 74 } 75 return sDesiredPermissions; 76 } 77 78 @Override onRequestPermissionsResult( int requestCode, String permissions[], int[] grantResults)79 public void onRequestPermissionsResult( 80 int requestCode, String permissions[], int[] grantResults) { 81 mPreviousActivityIntent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION); 82 startActivity(mPreviousActivityIntent); 83 overridePendingTransition(0, 0); 84 85 finish(); 86 overridePendingTransition(0, 0); 87 } 88 }