RatingBar组件的应用

来源：互联网发布：node.js开发指南 mobi 编辑：程序博客网时间：2024/05/28 06:04

主要源代码：

<RelativeLayout 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" >    <TextView        android:id="@+id/textView1"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:padding="@dimen/padding_medium"        android:text="@string/hello_world"        tools:context=".MainActivity" />    <RatingBar        android:id="@+id/ratingBar1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        style="?android:attr/ratingBarStyle"        android:layout_below="@+id/textView1"/>           <TextView        android:id="@+id/textView3"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:padding="@dimen/padding_medium"        android:text="@string/tuijian"        android:layout_below="@+id/ratingBar1"/>      <RatingBar          android:id="@+id/ratingBar2"          style="?android:attr/ratingBarStyleIndicator"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_below="@+id/textView3"/></RelativeLayout>

MainActivity.java

package com.example.ratingbar;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.MenuItem;import android.widget.RatingBar;import android.widget.Toast;import android.support.v4.app.NavUtils;public class MainActivity extends Activity {    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                final RatingBar ratingBarStyle =(RatingBar) findViewById(R.id.ratingBar1);        final RatingBar ratingBarStyleIndicator=(RatingBar) findViewById(R.id.ratingBar2);                ratingBarStyle.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {public void onRatingChanged(RatingBar ratingBar, float rating,boolean fromUser) {ratingBarStyle.setRating(rating);ratingBarStyleIndicator.setRating(rating);Toast.makeText(MainActivity.this, "您的评选结果："+String.valueOf(rating), Toast.LENGTH_LONG).show();}});            }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        getMenuInflater().inflate(R.menu.activity_main, menu);        return true;    }    }

strings.java

<resources>    <string name="app_name">RatingBar组件的使用</string>    <string name="hello_world">请您评分：</string>    <string name="jieguo">评分结果为：</string>    <string name="tuijian">推荐指数为：</string>    <string name="menu_settings">Settings</string>    <string name="title_activity_main">MainActivity</string></resources>

运行图：