Android—ToggleButton、Switch和RatingBar使用

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.java 文件

package com.example.myapp;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.ContextMenu;import android.view.View;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 ToggleButton toggleButton;    private Switch switch1;    private RatingBar ratingBar;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        toggleButton=(ToggleButton)findViewById(R.id.toggleButton);        switch1=(Switch)findViewById(R.id.switch1);        ratingBar =(RatingBar)findViewById(R.id.ratingBar);        switch1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {            }        });        ratingBar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {            @Override            public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {                if(fromUser){                    Toast.makeText(MainActivity.this,"rating="+rating,Toast.LENGTH_SHORT).show();                }            }        });    }}

.xml

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent"    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    android:paddingBottom="@dimen/activity_vertical_margin"    app:layout_behavior="@string/appbar_scrolling_view_behavior"    tools:showIn="@layout/activity_main" tools:context=".MainActivity">    <ToggleButton        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="开关按钮"        android:textOn="开"        android:textOff="关"        android:id="@+id/toggleButton"        android:layout_alignParentTop="true"        android:layout_alignParentLeft="true"        android:layout_alignParentStart="true"        android:layout_alignParentRight="true"        android:layout_alignParentEnd="true"        android:checked="false" />    <Switch        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="New Switch"        android:textOn="确定"        android:textOff="取消"        android:id="@+id/switch1"        android:layout_below="@+id/toggleButton"        android:layout_alignParentLeft="true"        android:layout_alignParentStart="true"        android:layout_alignParentRight="true"        android:layout_alignParentEnd="true" />    <RatingBar        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/ratingBar"        android:numStars="6"        android:stepSize="0.5"        android:rating="1"        android:layout_below="@+id/switch1"        android:layout_alignParentLeft="true"        android:layout_alignParentStart="true" />  //android:isIndicator="true" 只能显示评级，不能交互</RelativeLayout>

运行结果：

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