2.4.6 星级评分条
16lz
2021-01-23
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/layoutMain" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context=".MainActivity" > <ImageView android:id="@+id/imageView1" android:layout_width="match_parent" android:layout_height="300px" android:scaleType="fitCenter" android:src="@drawable/a1" /> <RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:max="255" android:numStars="5" android:progress="255" /></LinearLayout>
package com.moon.hello2;import java.util.Calendar;import android.R.anim;import android.R.integer;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;import android.widget.Button;import android.widget.DatePicker;import android.widget.ImageView;import android.widget.ProgressBar;import android.widget.RatingBar;import android.widget.RatingBar.OnRatingBarChangeListener;import android.widget.SeekBar;import android.widget.DatePicker.OnDateChangedListener;import android.widget.SeekBar.OnSeekBarChangeListener;import android.widget.TextView;import android.widget.TimePicker;import android.widget.TimePicker.OnTimeChangedListener;public class MainActivity extends Activity { private int status = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.activity_main); final ImageView imageView = (ImageView)findViewById(R.id.imageView1); RatingBar ratingBar = (RatingBar)findViewById(R.id.ratingBar1); ratingBar.setOnRatingBarChangeListener(new OnRatingBarChangeListener() { @Override public void onRatingChanged(RatingBar arg0, float rating, boolean arg2) { // TODO Auto-generated method stub imageView.setAlpha(rating*5/255); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; }}
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