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MainActivity如下:

package cc.testratingbar;import android.os.Bundle;import android.widget.RatingBar;import android.widget.RatingBar.OnRatingBarChangeListener;import android.app.Activity;/** * Demo描述: * RatingBar使用完整示例 * 如果要自定义RatingBar更改它的外观,只需要在布局文件中修改其style即可 *  * 参考资料: * 1 http://www.cnblogs.com/over140/archive/2010/11/18/1880455.html * 2 http://www.cnblogs.com/lipeil/archive/2012/07/13/2590457.html * 3 http://my.oschina.net/amigos/blog/60060 *   Thank you very much * */public class MainActivity extends Activity {    private RatingBar mRatingBar;	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.main);		init();	}		private void init(){		mRatingBar=(RatingBar) findViewById(R.id.ratingBar);		//为RatingBar设置监听		mRatingBar.setOnRatingBarChangeListener(new RatingBarChangeListenerImpl());		//得到RatingBar的最大等级		int max=mRatingBar.getMax();		//得到RatingBar现在的等级		float currentRating=mRatingBar.getRating();		System.out.println("max="+max+",currentRating"+currentRating);	}		//注意onRatingChanged方法中的最后一个参数boolean fromUser:	//若是由用户触摸手势或方向键轨迹球移动触发RatingBar的等级改变,返回true	//若是由编程触发RatingBar的等级改变,返回false	private class RatingBarChangeListenerImpl implements OnRatingBarChangeListener{		@Override		public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {						System.out.println("现在的等级为 rating="+rating+",是否是用户触发 fromUser="+fromUser);		}			}	}

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