Android控件ToggleButton多状态按钮使用详解

 <ToggleButton
 android:checked="false"
 android:id="@+id/toggleButton"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:textOn="开"
 android:textOff="关" />
 <ImageView
 android:id="@+id/imageView1"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:src="@drawable/off" />

package com.example.admin.demo;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.ToggleButton;

public class MainActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {

 private ToggleButton tb;
 private ImageView img;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 // 初始化控件
 tb = (ToggleButton) findViewById(R.id.toggleButton);
 img = (ImageView) findViewById(R.id.imageView1);

 //设置监听器
 tb.setOnCheckedChangeListener(this);
 }

 @Override
 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 img.setImageResource(isChecked?R.drawable.on:R.drawable.off);
 }
}