RatingBarProject

MyDemo.java

package com.jackie.ratingbarproject;


import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.widget.RatingBar;
import android.widget.RatingBar.OnRatingBarChangeListener;
import android.widget.TextView;


public class MyDemo extends Activity {
private TextView show=null;
private RatingBar ratingBarA=null;


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
super.setContentView(R.layout.main);
this.show=(TextView)super.findViewById(R.id.show);
this.ratingBarA=(RatingBar)super.findViewById(R.id.ratingBarA);
this.ratingBarA.setOnRatingBarChangeListener(new OnRatingBarChangeListenerImpl());
}
    
private class OnRatingBarChangeListenerImpl implements OnRatingBarChangeListener{


@Override
public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
MyDemo.this.show.append("*** 當前值(Rating):"+ratingBar.getRating()+",步長："+ratingBar.getStepSize()+"\n");

}

}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.my_demo, menu);
return true;
}
}

Main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MyDemo" >
     
    <RatingBar 
        android:id="@+id/ratingBarA"
        android:numStars="5"
        android:stepSize="0.5"
        android:isIndicator="false"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>
     <RatingBar 
        android:id="@+id/ratingBarB"
        android:numStars="5"
        android:stepSize="0.5"
        android:isIndicator="true"
        android:rating="4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>
    <TextView
        android:id="@+id/show"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
         />


</LinearLayout>