samples/ApiDemos/src/com/example/android/apis/view/NumberPickerActivity.java

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.view;

import com.example.android.apis.R;

import android.app.Activity;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.NumberPicker;


/**
 * Demonstrates how to use a seek bar
 */
public class NumberPickerActivity extends Activity {
    private NumberPicker mNumberPicker;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.number_picker);

        mNumberPicker = (NumberPicker) findViewById(R.id.number_picker);
        mNumberPicker.setMaxValue(30);

        ((CheckBox) findViewById(R.id.enabled)).setOnCheckedChangeListener(
                new OnCheckedChangeListener() {
                    @Override
                    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                        mNumberPicker.setEnabled(isChecked);
                    }
                });
    }
}