1 /* 2 * Copyright (C) 2010 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.apis.app; 18 19 import com.example.android.apis.R; 20 21 import android.app.Activity; 22 import android.app.AlertDialog; 23 import android.app.Dialog; 24 import android.app.DialogFragment; 25 import android.content.DialogInterface; 26 import android.os.Bundle; 27 import android.util.Log; 28 import android.view.View; 29 import android.view.View.OnClickListener; 30 import android.widget.Button; 31 import android.widget.TextView; 32 33 /** 34 * Demonstrates how to show an AlertDialog that is managed by a Fragment. 35 */ 36 public class FragmentAlertDialog extends Activity { 37 38 @Override onCreate(Bundle savedInstanceState)39 protected void onCreate(Bundle savedInstanceState) { 40 super.onCreate(savedInstanceState); 41 setContentView(R.layout.fragment_dialog); 42 43 View tv = findViewById(R.id.text); 44 ((TextView)tv).setText("Example of displaying an alert dialog with a DialogFragment"); 45 46 // Watch for button clicks. 47 Button button = (Button)findViewById(R.id.show); 48 button.setOnClickListener(new OnClickListener() { 49 public void onClick(View v) { 50 showDialog(); 51 } 52 }); 53 } 54 55 //BEGIN_INCLUDE(activity) showDialog()56 void showDialog() { 57 DialogFragment newFragment = MyAlertDialogFragment.newInstance( 58 R.string.alert_dialog_two_buttons_title); 59 newFragment.show(getFragmentManager(), "dialog"); 60 } 61 doPositiveClick()62 public void doPositiveClick() { 63 // Do stuff here. 64 Log.i("FragmentAlertDialog", "Positive click!"); 65 } 66 doNegativeClick()67 public void doNegativeClick() { 68 // Do stuff here. 69 Log.i("FragmentAlertDialog", "Negative click!"); 70 } 71 //END_INCLUDE(activity) 72 73 //BEGIN_INCLUDE(dialog) 74 public static class MyAlertDialogFragment extends DialogFragment { 75 newInstance(int title)76 public static MyAlertDialogFragment newInstance(int title) { 77 MyAlertDialogFragment frag = new MyAlertDialogFragment(); 78 Bundle args = new Bundle(); 79 args.putInt("title", title); 80 frag.setArguments(args); 81 return frag; 82 } 83 84 @Override onCreateDialog(Bundle savedInstanceState)85 public Dialog onCreateDialog(Bundle savedInstanceState) { 86 int title = getArguments().getInt("title"); 87 88 return new AlertDialog.Builder(getActivity()) 89 .setIcon(R.drawable.alert_dialog_icon) 90 .setTitle(title) 91 .setPositiveButton(R.string.alert_dialog_ok, 92 new DialogInterface.OnClickListener() { 93 public void onClick(DialogInterface dialog, int whichButton) { 94 ((FragmentAlertDialog)getActivity()).doPositiveClick(); 95 } 96 } 97 ) 98 .setNegativeButton(R.string.alert_dialog_cancel, 99 new DialogInterface.OnClickListener() { 100 public void onClick(DialogInterface dialog, int whichButton) { 101 ((FragmentAlertDialog)getActivity()).doNegativeClick(); 102 } 103 } 104 ) 105 .create(); 106 } 107 } 108 //END_INCLUDE(dialog) 109 } 110