Android控件之RatingBar自定义星级评分样式

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 implements
OnRatingBarChangeListener {
private RatingBar mSmallRatingBar;
private RatingBar mIndicatorRatingBar;
private TextView mRatingText;
/*
* (non-Javadoc)
* 
* @see android.app.Activity#onCreate(android.os.Bundle)
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.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 bars
mIndicatorRatingBar = (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);
}
@Override
public 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);
}
}
}

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