RatingBar进度条

RatingbarActivity.java

package com.cn;

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

public class RatingbarActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        RatingBar rb = (RatingBar)findViewById(R.id.ratingBar1);
        rb.setMax(10);
        rb.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {
			
			@Override
			public void onRatingChanged(RatingBar ratingBar, float rating,
					boolean fromUser) {
				System.out.println("start");
			}
		});
    }
}

main.xml

<?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:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="@string/hello"
    />
<RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:numStars="4" android:stepSize="1"></RatingBar>
</LinearLayout>