FragmentAlertDialogSupport.java revision c644c91b91b83a6b400a57b02671f4ef7b7a810b 
1/*
2 * Copyright (C) 2011 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
17package com.example.android.supportv4.app;
18
19import com.example.android.supportv4.R;
20
21import android.support.v4.app.DialogFragment;
22import android.support.v4.app.FragmentActivity;
23
24import android.app.AlertDialog;
25import android.app.Dialog;
26import android.content.DialogInterface;
27import android.os.Bundle;
28import android.util.Log;
29import android.view.View;
30import android.view.View.OnClickListener;
31import android.widget.Button;
32import android.widget.TextView;
33
34/**
35 * Demonstrates how to show an AlertDialog that is managed by a Fragment.
36 */
37public class FragmentAlertDialogSupport extends FragmentActivity {
38
39    @Override
40    protected void onCreate(Bundle savedInstanceState) {
41        super.onCreate(savedInstanceState);
42        setContentView(R.layout.fragment_dialog);
43
44        View tv = findViewById(R.id.text);
45        ((TextView)tv).setText("Example of displaying an alert dialog with a DialogFragment");
46
47        // Watch for button clicks.
48        Button button = (Button)findViewById(R.id.show);
49        button.setOnClickListener(new OnClickListener() {
50            public void onClick(View v) {
51                showDialog();
52            }
53        });
54    }
55
56//BEGIN_INCLUDE(activity)
57    void showDialog() {
58        DialogFragment newFragment = MyAlertDialogFragment.newInstance(
59                R.string.alert_dialog_two_buttons_title);
60        newFragment.show(getSupportFragmentManager(), "dialog");
61    }
62
63    public void doPositiveClick() {
64        // Do stuff here.
65        Log.i("FragmentAlertDialog", "Positive click!");
66    }
67
68    public void doNegativeClick() {
69        // Do stuff here.
70        Log.i("FragmentAlertDialog", "Negative click!");
71    }
72//END_INCLUDE(activity)
73
74//BEGIN_INCLUDE(dialog)
75    public static class MyAlertDialogFragment extends DialogFragment {
76
77        public static MyAlertDialogFragment newInstance(int title) {
78            MyAlertDialogFragment frag = new MyAlertDialogFragment();
79            Bundle args = new Bundle();
80            args.putInt("title", title);
81            frag.setArguments(args);
82            return frag;
83        }
84
85        @Override
86        public Dialog onCreateDialog(Bundle savedInstanceState) {
87            int title = getArguments().getInt("title");
88
89            return new AlertDialog.Builder(getActivity())
90                    .setIcon(R.drawable.alert_dialog_icon)
91                    .setTitle(title)
92                    .setPositiveButton(R.string.alert_dialog_ok,
93                        new DialogInterface.OnClickListener() {
94                            public void onClick(DialogInterface dialog, int whichButton) {
95                                ((FragmentAlertDialogSupport)getActivity()).doPositiveClick();
96                            }
97                        }
98                    )
99                    .setNegativeButton(R.string.alert_dialog_cancel,
100                        new DialogInterface.OnClickListener() {
101                            public void onClick(DialogInterface dialog, int whichButton) {
102                                ((FragmentAlertDialogSupport)getActivity()).doNegativeClick();
103                            }
104                        }
105                    )
106                    .create();
107        }
108    }
109//END_INCLUDE(dialog)
110}
111