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 org.drrickorang.loopback; 18 19 import android.app.Activity; 20 import android.app.AlertDialog; 21 import android.app.Dialog; 22 import android.app.DialogFragment; 23 import android.content.DialogInterface; 24 import android.os.Bundle; 25 26 /** 27 * Displays an option for saving all files to file://mnt/sdcard/ or choosing filenames 28 */ 29 public class SaveFilesDialogFragment extends DialogFragment { 30 31 /* The activity that creates an instance of this dialog fragment must 32 * implement this interface in order to receive event callbacks. */ 33 public interface NoticeDialogListener { onSaveDialogSelect(DialogFragment dialog, boolean saveWithoutDialog)34 public void onSaveDialogSelect(DialogFragment dialog, boolean saveWithoutDialog); 35 } 36 37 // Use this instance of the interface to deliver action events 38 NoticeDialogListener mListener; 39 40 // Override the Fragment.onAttach() method to instantiate the NoticeDialogListener 41 @Override onAttach(Activity activity)42 public void onAttach(Activity activity) { 43 super.onAttach(activity); 44 // Verify that the host activity implements the callback interface 45 try { 46 // Instantiate the NoticeDialogListener so we can send events to the host 47 mListener = (NoticeDialogListener) activity; 48 } catch (ClassCastException e) { 49 // The activity doesn't implement the interface, throw exception 50 throw new ClassCastException(activity.toString() 51 + " must implement NoticeDialogListener"); 52 } 53 } 54 55 @Override onCreateDialog(Bundle savedInstanceState)56 public Dialog onCreateDialog(Bundle savedInstanceState) { 57 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); 58 59 builder.setMessage(R.string.SaveFileDialogLabel) 60 .setPositiveButton(R.string.SaveFileDialogOK, 61 new DialogInterface.OnClickListener() { 62 public void onClick(DialogInterface dialog, int id) { 63 dialog.dismiss(); 64 mListener.onSaveDialogSelect(SaveFilesDialogFragment.this, true); 65 } 66 }) 67 .setNegativeButton(R.string.SaveFileDialogChooseFilenames, 68 new DialogInterface.OnClickListener() { 69 public void onClick(DialogInterface dialog, int id) { 70 dialog.dismiss(); 71 mListener.onSaveDialogSelect(SaveFilesDialogFragment.this, false); 72 } 73 }); 74 // Create the AlertDialog object and return it 75 return builder.create(); 76 } 77 } 78