【移动应用开发技术】android基础二之ToggleButton

【移动应用开发技术】android基础二之ToggleButton

//activity_main.xml<LinearLayout

xmlns:android="/apk/res/android"

xmlns:tools="/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.javapackage

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