Android控制之ToggleButton和Switch与RatingBar

代码演示

Android控制之ToggleButton和Switch与RatingBar

.java文件：

package com.example.togglebuttonandratingbar;import android.app.Activity;import android.os.Bundle;import android.widget.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;import android.widget.RatingBar;import android.widget.RatingBar.OnRatingBarChangeListener;import android.widget.Switch;import android.widget.Toast;import android.widget.ToggleButton;public class MainActivity extends Activity implements OnCheckedChangeListener,OnRatingBarChangeListener {    private ToggleButton toggleButton;    private Switch       sw;    private RatingBar    rb;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initUI();    }    private void initUI() {        toggleButton=(ToggleButton) findViewById(R.id.ToggleButton1);        toggleButton.setOnCheckedChangeListener(this);        sw=(Switch)findViewById(R.id.Switch1);        sw.setOnCheckedChangeListener(this);        rb=(RatingBar) findViewById(R.id.ratingBar2);        rb.setOnRatingBarChangeListener(this);    }    @Override    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {        // TODO Auto-generated method stub        switch (buttonView.getId()) {        case R.id.Switch1:            Toast.makeText(getApplicationContext(), sw.getText()+"/"+isChecked, 1000).show();            break;        case R.id.ToggleButton1:            Toast.makeText(getApplicationContext(), toggleButton.getText()+"/"+isChecked, 1000).show();        }    }    @Override    public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {        // TODO Auto-generated method stub        //如果来自用户选择：我们就Tuast一下星星的数量        if(fromUser) {            Toast.makeText(getApplicationContext(),"当前选择的星星数量是:"+rating, 1000).show();        }    }}

XML布局文件：

<LinearLayout 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"    tools:context="com.example.togglebuttonandratingbar.MainActivity"     android:orientation="vertical">    <ToggleButton        android:id="@+id/ToggleButton1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:textOff="关闭"        android:textOn="开启" />    <Switch        android:id="@+id/Switch1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="我是一个Switch"        android:textOn="开启"        android:textOff="关闭" />    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="我是一个指示器你不能选择我:" />    <RatingBar        android:id="@+id/ratingBar1"         android:layout_width="wrap_content"         android:layout_height="wrap_content"        android:numStars="6"        android:stepSize="1"        android:rating="1"        android:isIndicator="true"        android:layout_gravity="center"/>     <!--设置为 wrap_contentnumStars,numStars才起作用     (numStars星星数量)(stepSize每次选择的不输)(rating当前所选择星星的数量)(isIndicator是否是)-->    <RatingBar        android:id="@+id/ratingBar2"         android:layout_width="wrap_content"         android:layout_height="wrap_content"        android:numStars="6"        android:stepSize="1"        android:layout_gravity="center"/></LinearLayout>