Android(安卓)控件开发之ToggleButton

ToggleButton有两种状态：选中和未选择状态，并且需要为不同的状态设置不同的显示文本

ToggleButton效果：

本程序main.xml源码

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><TextView      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="@string/hello"/>    <ImageView    android:id="@+id/imageView"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:src="@drawable/bulb_off"    android:layout_gravity="center_horizontal"/>    <ToggleButton     android:id="@+id/toggleButton"    android:layout_width="140dip"    android:layout_height="wrap_content"    android:textOn="开灯"    android:textOff="关灯"    android:layout_gravity="center_horizontal" /></LinearLayout>

ToggleButton事件响应setOnCheckedChangeListener

本程序java源码

package com.sx.ToggleButton;import android.app.Activity;import android.os.Bundle;import android.widget.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;import android.widget.ImageView;import android.widget.ToggleButton;public class ToggleButtonActivity extends Activity {             private  ImageView imageView=null;             private ToggleButton toggleButton=null;             public void onCreate(Bundle savedInstanceState)              {                      super.onCreate(savedInstanceState);                      setContentView(R.layout.main);                      imageView =    (ImageView)     findViewById(R.id.imageView);                      toggleButton =  (ToggleButton)findViewById(R.id.toggleButton);                      toggleButton.setOnCheckedChangeListener(new OnCheckedChangeListener()                      {                                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked)                                 {                                           toggleButton.setChecked(isChecked);                                           imageView.setImageResource(isChecked ? R.drawable.bulb_on : R.drawable.bulb_off);                                }                      });                } }

更多相关文章

随机推荐