1 /* 2 * Copyright 2015 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.system.runtimepermissions; 18 19 import android.app.Activity; 20 import android.content.pm.PackageManager; 21 22 /** 23 * Utility class that wraps access to the runtime permissions API in M and provides basic helper 24 * methods. 25 */ 26 public abstract class PermissionUtil { 27 28 /** 29 * Check that all given permissions have been granted by verifying that each entry in the 30 * given array is of the value {@link PackageManager#PERMISSION_GRANTED}. 31 * 32 * @see Activity#onRequestPermissionsResult(int, String[], int[]) 33 */ 34 public static boolean verifyPermissions(int[] grantResults) { 35 // At least one result must be checked. 36 if(grantResults.length < 1){ 37 return false; 38 } 39 40 // Verify that each required permission has been granted, otherwise return false. 41 for (int result : grantResults) { 42 if (result != PackageManager.PERMISSION_GRANTED) { 43 return false; 44 } 45 } 46 return true; 47 } 48 49 } 50
