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//activity_main.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="com.vincentlin.togglebutton.MainActivity" > <!-- textOn:true textOff:false --> <ToggleButton android:id="@+id/toggleButton1" android:checked="false" android:textOn="@string/on" android:textOff="@string/off" android:layout_width="match_parent" android:layout_height="wrap_content" /> <ImageView android:id="@+id/p_w_picpathView1" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/off" /> </LinearLayout>
//strings.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <string name="app_name">ToggleButton</string> <string name="hello_world">Hello world!</string> <string name="action_settings">Settings</string> <string name="on">开</string> <string name="off">关</string> </resources>
MainActivity.java
package com.vincentlin.togglebutton;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ToggleButton;
public class MainActivity extends Activity implements OnCheckedChangeListener{
private ToggleButton tButton;
private ImageView iView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//初始化组件
tButton = (ToggleButton) findViewById(R.id.toggleButton1);
iView = (ImageView) findViewById(R.id.p_w_picpathView1);
/*
* 给当前的tButton设置监听器
*/
tButton.setOnCheckedChangeListener(this);
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
/*
*
* 当tButton被点击的时候,当前的方法会执行
* buttonView---代表被点击控件的本身,
* isChecked---代表被点击的控件的状态
* 当点击这个tButton的时候,更换img的背景
*/
iView.setBackgroundResource(isChecked?R.drawable.on:R.drawable.off);
}
}//效果图


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