Android 开发】：UI控件之 RatingBar 评分控件的使用

package com.android.ratingbardemo; import android.app.Activity; import android.os.Bundle; import android.widget.RatingBar; import android.widget.RatingBar.OnRatingBarChangeListener; import android.widget.Toast; public class RatingBarDemo extends Activity implements OnRatingBarChangeListener{ private RatingBar ratingBar; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); initComponent(); ratingBar.setMax(100); //设置最大刻度 ratingBar.setProgress(20); //设置当前刻度 ratingBar.setOnRatingBarChangeListener(this); } private void initComponent(){ ratingBar = (RatingBar)findViewById(R.id.ratingBar); } @Override public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) { int progress = (int)ratingBar.getProgress(); //获得当前的刻度 // TODO Auto-generated method stub Toast.makeText(RatingBarDemo.this, "progress: " + progress + "rating: " + rating, 1).show(); } }