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 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
