1 /* 2 * Copyright (C) 2014 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.example.android.permissionrequest; 17 18 import android.app.AlertDialog; 19 import android.app.Dialog; 20 import android.content.DialogInterface; 21 import android.os.Bundle; 22 import android.support.v4.app.DialogFragment; 23 import android.text.TextUtils; 24 25 /** 26 * Prompts the user to confirm permission request. 27 */ 28 public class ConfirmationDialogFragment extends DialogFragment { 29 30 private static final String ARG_RESOURCES = "resources"; 31 32 /** 33 * Creates a new instance of ConfirmationDialogFragment. 34 * 35 * @param resources The list of resources requested by PermissionRequeste. 36 * @return A new instance. 37 */ 38 public static ConfirmationDialogFragment newInstance(String[] resources) { 39 ConfirmationDialogFragment fragment = new ConfirmationDialogFragment(); 40 Bundle args = new Bundle(); 41 args.putStringArray(ARG_RESOURCES, resources); 42 fragment.setArguments(args); 43 return fragment; 44 } 45 46 @Override 47 public Dialog onCreateDialog(Bundle savedInstanceState) { 48 String[] resources = getArguments().getStringArray(ARG_RESOURCES); 49 return new AlertDialog.Builder(getActivity()) 50 .setMessage(getString(R.string.confirmation, TextUtils.join("\n", resources))) 51 .setNegativeButton(R.string.deny, new DialogInterface.OnClickListener() { 52 @Override 53 public void onClick(DialogInterface dialog, int which) { 54 ((Listener) getParentFragment()).onConfirmation(false); 55 } 56 }) 57 .setPositiveButton(R.string.allow, new DialogInterface.OnClickListener() { 58 @Override 59 public void onClick(DialogInterface dialog, int which) { 60 ((Listener) getParentFragment()).onConfirmation(true); 61 } 62 }) 63 .create(); 64 } 65 66 /** 67 * Callback for the user's response. 68 */ 69 public interface Listener { 70 71 /** 72 * Called when the PermissoinRequest is allowed or denied by the user. 73 * 74 * @param allowed True if the user allowed the request. 75 */ 76 public void onConfirmation(boolean allowed); 77 } 78 79 } 80