<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" android:layout_width="fill_parent"
  android:layout_height="fill_parent">
  <TextView    
  android:id="@+id/textView1"    
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"    
  android:textSize="30dp" android:text="RatingBar测试">
    </TextView>
  <RatingBar android:id="@+id/ratingBar1"    
  android:layout_width="wrap_content"    
  android:layout_height="wrap_content" android:numStars="5" android:stepSize="0.5"></RatingBar>
</LinearLayout>
package com.SeekBarDemo;

import android.app.Activity;
import android.os.Bundle;
import android.widget.RatingBar;
import android.widget.RatingBar.OnRatingBarChangeListener;

public class MainActivity extends Activity {
  /** Called when the activity is first created. */
  RatingBar ratingBar;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    ratingBar = (RatingBar) findViewById(R.id.ratingBar1);
    ratingBar.setOnRatingBarChangeListener(new ratingBarListenner());
  }

  class ratingBarListenner implements OnRatingBarChangeListener {

    public void onRatingChanged(RatingBar ratingBar, float rating,
        boolean fromUser) {
      // TODO Auto-generated method stub
      System.out.println("星级评分ratingBar" + rating);
    }

  }
}