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;    }}