Android RatingBar 的用法

 1 package com.turbo;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.widget.RatingBar;
 6 import android.widget.Toast;
 7 
 8 public class AndroidSeekBar extends Activity {
 9     @Override
10     protected void onCreate(Bundle savedInstanceState) {
11         super.onCreate(savedInstanceState);
12         setContentView(R.layout.seek_bar);
13         final RatingBar ratingBar_Small = (RatingBar)findViewById(R.id.ratingbar_small);
14         final RatingBar ratingBar_Indicator = (RatingBar)findViewById(R.id.ratingbar_Indicator);
15         final  RatingBar ratingBar_default = (RatingBar)findViewById(R.id.ratingbar_default);
16         ratingBar_default.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {
17             
18             @Override
19             public void onRatingChanged(RatingBar ratingBar, float rating,
20                     boolean fromUser) {
21                 ratingBar_Small.setRating(rating);
22                 ratingBar_Indicator.setRating(rating);
23                 Toast.makeText(AndroidSeekBar.this, "rating:" + String.valueOf(rating), Toast.LENGTH_LONG).show();
24             }
25         });
26     }
27     
28 }

 

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="fill_parent"
 4     android:layout_height="fill_parent"
 5     android:orientation="vertical" >
 6   <RatingBar 
 7       android:layout_width="wrap_content"
 8       android:layout_height="wrap_content"
 9       style="?android:attr/ratingBarStyleIndicator"
10       android:id="@+id/ratingbar_Indicator"
11       />
12   <RatingBar 
13       android:layout_width="wrap_content"
14       android:layout_height="wrap_content"
15       style="?android:attr/ratingBarStyleSmall"
16       android:id="@+id/ratingbar_small"
17       android:numStars="20"
18       />
19   <RatingBar 
20       android:layout_width="wrap_content"
21       android:layout_height="wrap_content"
22       style="?android:attr/ratingBarStyle"
23       android:id="@+id/ratingbar_default"
24       />
25 </LinearLayout>