MainActivity.java

package com.example.mars_2500_ratingbar;import android.support.v7.app.ActionBarActivity;import android.support.v7.app.ActionBar;import android.support.v4.app.Fragment;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.LayoutInflater;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.Button;import android.widget.RatingBar;import android.widget.RatingBar.OnRatingBarChangeListener;import android.os.Build;public class MainActivity extends Activity{ RatingBar ratingBar; Button button1; public static String TAG="MainActivity"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ratingBar=(RatingBar)findViewById(R.id.ratingBar1); ratingBar.setOnRatingBarChangeListener(new RatingBarChangeListener()); button1=(Button)findViewById(R.id.buttn1); button1.setOnClickListener(new ClickListener()); } class RatingBarChangeListener implements OnRatingBarChangeListener { @Override public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) { Log.i(TAG, "当前分数="+rating); System.out.println("当前分数="+rating); } } class ClickListener implements OnClickListener { @Override public void onClick(View v) { //在当前加0.5分 ratingBar.setRating(ratingBar.getRating()+0.5f); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; }}

activity_main.xml

<?xml version="1.0" encoding="UTF-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:numStars="5" android:stepSize="0.5" /> <Button android:id="@+id/buttn1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/ratingBar1" android:text="评分" /> </LinearLayout>

以上就是小编为大家带来的android之RatingBar控件用法详解的全部内容了，希望对大家有所帮助，多多支持~