以下为CheckBox和RadioButton常用方法及说明
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:scrollbars="vertical">
<LinearLayout android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<!-- RadioButton控件演示 -->
<ImageView android:id="@+id/imageView01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/bulb_on"
android:layout_gravity="center_horizontal"/>
<RadioGroup android:id="@+id/radioGroup"
android:orientation="horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal">
<RadioButton android:id="@+id/on"
android:text="开灯"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true"/>
<RadioButton android:id="@+id/off"
android:text="关灯"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</RadioGroup>
<!-- CheckBox控件演示 -->
<ImageView android:id="@+id/imageView02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/bulb_on"
android:layout_gravity="center_horizontal"/>
<CheckBox android:id="@+id/checkBox"
android:text="开灯"
android:checked="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"/>
</LinearLayout>
</ScrollView>
publicclass CbRbActivity extends Activity {
private ImageView imageView01=null;
private ImageView imageView02=null;
private CheckBox checkBox=null;
private RadioButton on=null;//开灯
@Override
publicvoid onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
imageView01=(ImageView)findViewById(R.id.imageView01);
imageView02=(ImageView)findViewById(R.id.imageView02);
checkBox=(CheckBox)findViewById(R.id.checkBox);
on=(RadioButton)findViewById(R.id.on);
on.setOnCheckedChangeListener(listener);
checkBox.setOnCheckedChangeListener(listener);
}
OnCheckedChangeListener listener=new OnCheckedChangeListener(){
publicvoid onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
if(buttonView instanceof RadioButton){
imageView01.setImageResource(isChecked?R.drawable.bulb_on:R.drawable.bulb_off);
}elseif(buttonView instanceof CheckBox){
checkBox.setText(isChecked?"开灯":"关灯");
imageView02.setImageResource(isChecked?R.drawable.bulb_on:R.drawable.bulb_off);
}
}
};
}