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
17package com.example.android.supportv7.app;
18
19import com.example.android.supportv7.Cheeses;
20import com.example.android.supportv7.R;
21
22import android.os.Bundle;
23import android.support.v7.app.AlertDialog;
24import android.support.v7.app.AppCompatActivity;
25import android.view.View;
26import android.widget.Spinner;
27
28/**
29 * This demonstrates idiomatic usage of AppCompat's AlertDialog.
30 */
31public class AlertDialogUsage extends AppCompatActivity {
32
33    private Spinner mSpinner;
34
35    @Override
36    protected void onCreate(Bundle savedInstanceState) {
37        super.onCreate(savedInstanceState);
38        setContentView(R.layout.alert_dialog_usage);
39
40        mSpinner = findViewById(R.id.spinner_dialogs);
41
42        // Add an OnClickListener to show our selected dialog
43        findViewById(R.id.btn_show_dialog).setOnClickListener(new View.OnClickListener() {
44            @Override
45            public void onClick(View view) {
46                showSelectedDialog();
47            }
48        });
49    }
50
51    private void showSelectedDialog() {
52        switch (mSpinner.getSelectedItemPosition()) {
53            case 0:
54                showSimpleDialog();
55                break;
56            case 1:
57                showSimpleButtonsDialog();
58                break;
59            case 2:
60                showSingleChoiceDialog();
61                break;
62            case 3:
63                showMultiChoiceDialog();
64                break;
65        }
66    }
67
68    private void showSimpleDialog() {
69        AlertDialog.Builder b = new AlertDialog.Builder(this);
70        b.setTitle(R.string.dialog_title);
71        b.setMessage(R.string.dialog_content);
72        b.show();
73    }
74
75    private void showSimpleButtonsDialog() {
76        AlertDialog.Builder b = new AlertDialog.Builder(this);
77        b.setTitle(R.string.dialog_title);
78        b.setMessage(R.string.dialog_content);
79        b.setNegativeButton("-ve", null);
80        b.setPositiveButton("+ve", null);
81        b.show();
82    }
83
84    private void showSingleChoiceDialog() {
85        AlertDialog.Builder b = new AlertDialog.Builder(this);
86        b.setTitle(R.string.dialog_title);
87        b.setSingleChoiceItems(Cheeses.sCheeseStrings, 0, null);
88        b.setPositiveButton("OK", null);
89        b.show();
90    }
91
92    private void showMultiChoiceDialog() {
93        AlertDialog.Builder b = new AlertDialog.Builder(this);
94        b.setTitle(R.string.dialog_title);
95        b.setMultiChoiceItems(Cheeses.sCheeseStrings, null, null);
96        b.setPositiveButton("OK", null);
97        b.show();
98    }
99
100
101}
102