一、RatingBar简单介绍

RatingBar是基于SeekBar（拖动条）和ProgressBar（状态条）的扩展，用星形来显示等级评定，在使用默认RatingBar时，用户可以通过触摸/拖动/按键（比如遥控器）来设置评分， RatingBar自带有两种模式 ，一个小风格 ratingBarStyleSmall，大风格为ratingBarStyleIndicator，大的只适合做指示，不适用与用户交互。

效果图展示：

二、实例

1.布局文件

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:paddingLeft="10dip"android:layout_width="match_parent"android:layout_height="match_parent"><RatingBar android:id="@+id/ratingbar1"android:layout_width="wrap_content"android:layout_height="wrap_content"android:numStars="3"android:rating="2.5" /><RatingBar android:id="@+id/ratingbar2"android:layout_width="wrap_content"android:layout_height="wrap_content"android:numStars="5"android:rating="2.25" /><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginTop="10dip"><TextView android:id="@+id/rating"android:layout_width="wrap_content"android:layout_height="wrap_content" /><RatingBar android:id="@+id/small_ratingbar"style="?android:attr/ratingBarStyleSmall"android:layout_marginLeft="5dip"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center_vertical" /></LinearLayout><RatingBar android:id="@+id/indicator_ratingbar"style="?android:attr/ratingBarStyleIndicator"android:layout_marginLeft="5dip"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center_vertical" /></LinearLayout>

2.Java代码

package wjq.WidgetDemo;import android.app.Activity;import android.os.Bundle;import android.widget.RatingBar;import android.widget.TextView;import android.widget.RatingBar.OnRatingBarChangeListener;public class RatingBarDemo extends Activity implementsOnRatingBarChangeListener {private RatingBar mSmallRatingBar;private RatingBar mIndicatorRatingBar;private TextView mRatingText;/** (non-Javadoc)* * @see android.app.Activity#onCreate(android.os.Bundle)*/@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.ratingbarpage);mRatingText = (TextView) findViewById(R.id.rating);// We copy the most recently changed rating on to these indicator-only// rating barsmIndicatorRatingBar = (RatingBar) findViewById(R.id.indicator_ratingbar);mSmallRatingBar = (RatingBar) findViewById(R.id.small_ratingbar);// The different rating bars in the layout. Assign the listener to us.((RatingBar)findViewById(R.id.ratingbar1)).setOnRatingBarChangeListener(this);((RatingBar)findViewById(R.id.ratingbar2)).setOnRatingBarChangeListener(this);}@Overridepublic void onRatingChanged(RatingBar ratingBar, float rating,boolean fromUser) {final int numStars = ratingBar.getNumStars();mRatingText.setText( " 受欢迎度" + rating + "/" + numStars);// Since this rating bar is updated to reflect any of the other rating// bars, we should update it to the current values.if (mIndicatorRatingBar.getNumStars() != numStars) {mIndicatorRatingBar.setNumStars(numStars);mSmallRatingBar.setNumStars(numStars);}if (mIndicatorRatingBar.getRating() != rating) {mIndicatorRatingBar.setRating(rating);mSmallRatingBar.setRating(rating);}final float ratingBarStepSize = ratingBar.getStepSize();if (mIndicatorRatingBar.getStepSize() != ratingBarStepSize) {mIndicatorRatingBar.setStepSize(ratingBarStepSize);mSmallRatingBar.setStepSize(ratingBarStepSize);}}}

关于Android控件之RatingBar自定义星级评分样式就给大家介绍这里，希望对大家有所帮助，本文写的不好还请各位大侠多多指教！