1 /*
2  * Copyright (C) 2007 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.view;
18 
19 import com.example.android.apis.R;
20 
21 import android.app.Activity;
22 import android.os.Bundle;
23 import android.widget.CheckBox;
24 import android.widget.CompoundButton;
25 import android.widget.CompoundButton.OnCheckedChangeListener;
26 import android.widget.NumberPicker;
27 
28 
29 /**
30  * Demonstrates how to use a seek bar
31  */
32 public class NumberPickerActivity extends Activity {
33     private NumberPicker mNumberPicker;
34 
35     @Override
onCreate(Bundle savedInstanceState)36     protected void onCreate(Bundle savedInstanceState) {
37         super.onCreate(savedInstanceState);
38 
39         setContentView(R.layout.number_picker);
40 
41         mNumberPicker = (NumberPicker) findViewById(R.id.number_picker);
42         mNumberPicker.setMaxValue(30);
43 
44         ((CheckBox) findViewById(R.id.enabled)).setOnCheckedChangeListener(
45                 new OnCheckedChangeListener() {
46                     @Override
47                     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
48                         mNumberPicker.setEnabled(isChecked);
49                     }
50                 });
51     }
52 }
53