android开关控件switch Android开关控件Switch的使用案例

<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
  android:paddingLeft="@dimen/activity_horizontal_margin"
  android:paddingRight="@dimen/activity_horizontal_margin"
  android:paddingTop="@dimen/activity_vertical_margin"
  tools:context=".MainActivity" >
  <Switch
    android:id="@+id/switch1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_alignParentTop="true"
    android:layout_marginLeft="32dp"
    android:layout_marginTop="94dp"
    android:text="开启震动"
    android:textOff="关闭"
    android:onClick="onToggleClicked"
    android:textOn="打开" />
  <TextView
    android:id="@+id/textView1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignLeft="@+id/switch1"
    android:layout_alignParentTop="true"
    android:layout_marginTop="26dp"
    android:text="Switch的使用"
    android:textSize="30dp" />
</RelativeLayout>

package com.example.android_switch;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Switch;
import android.widget.Toast;
import android.widget.ToggleButton;
public class MainActivity extends Activity {
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 }
 public void onToggleClicked(View view) {
 /*
  * 强转为Switch类型的
  */
 boolean isChecked = ((Switch) view).isChecked();
 if (isChecked == true) {
  Toast.makeText(MainActivity.this, "打开", 1).show();
 } else {
  Toast.makeText(MainActivity.this, "关闭", 1).show();
 }
 }
 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
 // Inflate the menu; this adds items to the action bar if it is present.
 getMenuInflater().inflate(R.menu.main, menu);
 return true;
 }
}