1 /* 2 * Copyright (C) 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.android.contacts.editor; 18 19 import android.app.Dialog; 20 import android.app.DialogFragment; 21 import android.content.DialogInterface; 22 import android.os.Bundle; 23 import androidx.appcompat.app.AlertDialog; 24 25 import com.android.contacts.R; 26 27 /** 28 * Asks the user whether to cancel editing the contact. 29 */ 30 public class CancelEditDialogFragment extends DialogFragment { 31 32 private static final String TAG = "cancelEditor"; 33 34 /** 35 * Shows a {@link CancelEditDialogFragment} after setting the given Fragment as the 36 * target of the dialog. 37 */ show(ContactEditorFragment fragment)38 public static void show(ContactEditorFragment fragment) { 39 final CancelEditDialogFragment dialog = new CancelEditDialogFragment(); 40 dialog.setTargetFragment(fragment, 0); 41 dialog.show(fragment.getFragmentManager(), TAG); 42 } 43 44 @Override onCreateDialog(Bundle savedInstanceState)45 public Dialog onCreateDialog(Bundle savedInstanceState) { 46 return new AlertDialog.Builder(getActivity()) 47 .setIconAttribute(android.R.attr.alertDialogIcon) 48 .setMessage(R.string.cancel_confirmation_dialog_message) 49 .setPositiveButton(R.string.cancel_confirmation_dialog_cancel_editing_button, 50 new DialogInterface.OnClickListener() { 51 @Override 52 public void onClick(DialogInterface dialogInterface, int which) { 53 final Listener targetListener = (Listener) getTargetFragment(); 54 targetListener.onCancelEditConfirmed(); 55 } 56 } 57 ) 58 .setNegativeButton(R.string.cancel_confirmation_dialog_keep_editing_button, null) 59 .create(); 60 } 61 62 /** 63 * Callbacks for {@link CancelEditDialogFragment} hosts. 64 */ 65 public interface Listener { 66 67 /** 68 * Invoked when the user confirms that they want to cancel editing the contact. 69 */ 70 void onCancelEditConfirmed(); 71 } 72 } 73