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 
17 package com.example.androidx.app;
18 
19 import android.os.Bundle;
20 import android.view.View;
21 import android.widget.Spinner;
22 
23 import androidx.appcompat.app.AlertDialog;
24 import androidx.appcompat.app.AppCompatActivity;
25 import androidx.appcompat.content.res.AppCompatResources;
26 
27 import com.example.androidx.Cheeses;
28 import com.example.androidx.R;
29 
30 /**
31  * This demonstrates idiomatic usage of AppCompat's AlertDialog.
32  */
33 public class AlertDialogUsage extends AppCompatActivity {
34 
35     private Spinner mSpinner;
36 
37     @Override
onCreate(Bundle savedInstanceState)38     protected void onCreate(Bundle savedInstanceState) {
39         super.onCreate(savedInstanceState);
40         setContentView(R.layout.alert_dialog_usage);
41 
42         mSpinner = findViewById(R.id.spinner_dialogs);
43 
44         // Add an OnClickListener to show our selected dialog
45         findViewById(R.id.btn_show_dialog).setOnClickListener(new View.OnClickListener() {
46             @Override
47             public void onClick(View view) {
48                 showSelectedDialog();
49             }
50         });
51     }
52 
showSelectedDialog()53     private void showSelectedDialog() {
54         switch (mSpinner.getSelectedItemPosition()) {
55             case 0:
56                 showSimpleDialog();
57                 break;
58             case 1:
59                 showSimpleButtonsDialog();
60                 break;
61             case 2:
62                 showSimpleWithMoreButtonsDialog();
63                 break;
64             case 3:
65                 showSimpleWithStackedButtonsDialog();
66                 break;
67             case 4:
68                 showSingleChoiceDialog();
69                 break;
70             case 5:
71                 showMultiChoiceDialog();
72                 break;
73         }
74     }
75 
showSimpleDialog()76     private void showSimpleDialog() {
77         AlertDialog.Builder b = new AlertDialog.Builder(this);
78         b.setTitle(R.string.dialog_title);
79         b.setMessage(R.string.dialog_content);
80         b.show();
81     }
82 
showSimpleButtonsDialog()83     private void showSimpleButtonsDialog() {
84         AlertDialog.Builder b = new AlertDialog.Builder(this);
85         b.setTitle(R.string.dialog_title);
86         b.setMessage(R.string.dialog_content);
87         b.setNegativeButton("-ve", null);
88         b.setPositiveButton("+ve", null);
89         b.show();
90     }
91 
showSimpleWithMoreButtonsDialog()92     private void showSimpleWithMoreButtonsDialog() {
93         AlertDialog.Builder b = new AlertDialog.Builder(this);
94         b.setTitle(R.string.dialog_title);
95         b.setMessage(R.string.dialog_content);
96         b.setNegativeButton("-ve", null);
97         b.setNegativeButtonIcon(AppCompatResources.getDrawable(this, R.drawable.ic_media_pause));
98         b.setNeutralButton("=ve", null);
99         b.setNeutralButtonIcon(AppCompatResources.getDrawable(this, R.drawable.ic_media_play));
100         b.setPositiveButton("+ve", null);
101         b.setPositiveButtonIcon(AppCompatResources.getDrawable(this, R.drawable.ic_media_stop));
102         b.show();
103     }
104 
showSimpleWithStackedButtonsDialog()105     private void showSimpleWithStackedButtonsDialog() {
106         AlertDialog.Builder b = new AlertDialog.Builder(this);
107         b.setTitle(R.string.dialog_title);
108         b.setMessage(R.string.dialog_content);
109         b.setNegativeButton("Very long negative", null);
110         b.setNeutralButton("Very long neutral", null);
111         b.setPositiveButton("Very long positive", null);
112         b.show();
113     }
114 
showSingleChoiceDialog()115     private void showSingleChoiceDialog() {
116         AlertDialog.Builder b = new AlertDialog.Builder(this);
117         b.setTitle(R.string.dialog_title);
118         b.setSingleChoiceItems(Cheeses.sCheeseStrings, 0, null);
119         b.setPositiveButton("OK", null);
120         b.show();
121     }
122 
showMultiChoiceDialog()123     private void showMultiChoiceDialog() {
124         AlertDialog.Builder b = new AlertDialog.Builder(this);
125         b.setTitle(R.string.dialog_title);
126         b.setMultiChoiceItems(Cheeses.sCheeseStrings, null, null);
127         b.setPositiveButton("OK", null);
128         b.show();
129     }
130 
131 
132 }
133