android开发 ToggleButton开发使用方法

android开发 ToggleButton开发使用方法ToggleButton是一种带状态的Button,有ON,或OFF状态


XML代码：

<ToggleButton android:id="@+id/tb" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content"
android:textOn="开"
android:textOff="关"
android:checked="true"
 />

textOn 按钮开启时显示的文本
textOff 按钮关闭时显示的文本
checked 载入时的状态，默认为false，即关
JAVA代码

import android.app.Activity;
import android.os.Bundle;
import android.widget.CompoundButton;
import android.widget.Toast;
import android.widget.ToggleButton;
import android.widget.CompoundButton.OnCheckedChangeListener;

public class Main extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        ToggleButton tb=(ToggleButton)findViewById(R.id.tb);
        tb.setOnCheckedChangeListener(new OnCheckedChangeListener(){

			@Override
			public void onCheckedChanged(CompoundButton buttonView,
					boolean isChecked) {
				// TODO Auto-generated method stub
//				isChecked就是按钮状态
				if(isChecked){
					Toast.makeText(Main.this,"打开",Toast.LENGTH_LONG).show();
				}else{
					Toast.makeText(Main.this,"关闭",Toast.LENGTH_LONG).show();

				}
			}

        });
    }
}