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 android.os.Bundle;
20import android.view.View;
21import android.widget.Spinner;
22
23import androidx.appcompat.app.AlertDialog;
24import androidx.appcompat.app.AppCompatActivity;
25
26import com.example.android.supportv7.Cheeses;
27import com.example.android.supportv7.R;
28
29/**
30 * This demonstrates idiomatic usage of AppCompat's AlertDialog.
31 */
32public class AlertDialogUsage extends AppCompatActivity {
33
34    private Spinner mSpinner;
35
36    @Override
37    protected void onCreate(Bundle savedInstanceState) {
38        super.onCreate(savedInstanceState);
39        setContentView(R.layout.alert_dialog_usage);
40
41        mSpinner = findViewById(R.id.spinner_dialogs);
42
43        // Add an OnClickListener to show our selected dialog
44        findViewById(R.id.btn_show_dialog).setOnClickListener(new View.OnClickListener() {
45            @Override
46            public void onClick(View view) {
47                showSelectedDialog();
48            }
49        });
50    }
51
52    private void showSelectedDialog() {
53        switch (mSpinner.getSelectedItemPosition()) {
54            case 0:
55                showSimpleDialog();
56                break;
57            case 1:
58                showSimpleButtonsDialog();
59                break;
60            case 2:
61                showSingleChoiceDialog();
62                break;
63            case 3:
64                showMultiChoiceDialog();
65                break;
66        }
67    }
68
69    private void showSimpleDialog() {
70        AlertDialog.Builder b = new AlertDialog.Builder(this);
71        b.setTitle(R.string.dialog_title);
72        b.setMessage(R.string.dialog_content);
73        b.show();
74    }
75
76    private void showSimpleButtonsDialog() {
77        AlertDialog.Builder b = new AlertDialog.Builder(this);
78        b.setTitle(R.string.dialog_title);
79        b.setMessage(R.string.dialog_content);
80        b.setNegativeButton("-ve", null);
81        b.setPositiveButton("+ve", null);
82        b.show();
83    }
84
85    private void showSingleChoiceDialog() {
86        AlertDialog.Builder b = new AlertDialog.Builder(this);
87        b.setTitle(R.string.dialog_title);
88        b.setSingleChoiceItems(Cheeses.sCheeseStrings, 0, null);
89        b.setPositiveButton("OK", null);
90        b.show();
91    }
92
93    private void showMultiChoiceDialog() {
94        AlertDialog.Builder b = new AlertDialog.Builder(this);
95        b.setTitle(R.string.dialog_title);
96        b.setMultiChoiceItems(Cheeses.sCheeseStrings, null, null);
97        b.setPositiveButton("OK", null);
98        b.show();
99    }
100
101
102}
103