效果图：
xml文件：
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.blogtest.MainActivity"> <!--textOff：关闭状态显示的文字--> <!--textOn：开启状态显示的文字--> <Switch android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/sc_main_swi" android:textOn="关" android:textOff="开" /> </LinearLayout>
Java代码：
package com.example.blogtest; import android.graphics.BitmapFactory; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.Gravity; import android.widget.CompoundButton; import android.widget.RatingBar; import android.widget.Switch; import android.widget.Toast; import android.widget.ToggleButton; public class MainActivity extends AppCompatActivity { private Switch sw_main_swi; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //根据id获得Switch的控件 sw_main_swi = (Switch) findViewById(R.id.sc_main_swi); //给ToggleButton设置监听事件 sw_main_swi.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if(isChecked){ Toast t= Toast.makeText(MainActivity.this,"开启状态",Toast.LENGTH_SHORT); t.setGravity(Gravity.CENTER,0,0); t.show(); }else{ Toast t= Toast.makeText(MainActivity.this,"关闭状态",Toast.LENGTH_SHORT); t.setGravity(Gravity.CENTER,0,0); t.show(); } } }); } }
