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   源码介绍

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package com.explam.YN;

import com.explam.YN.R;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.view.animation.ScaleAnimation;
import android.view.animation.TranslateAnimation;
import android.widget.*;
import android.widget.AdapterView.OnItemClickListener;
import android.util.DisplayMetrics;
public class testGallery extends Activity {
	private Gallery myGallery;
	private Animation myAnimationAlpha;
	private Animation myAnimationScale;
	private Animation myAnimationTranslate;
	private Animation myAnimationRotate;
	private int i=0;
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        myGallery=(Gallery)findViewById(R.id.Gallery01);
        DisplayMetrics dm=new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        
        myGallery.setAdapter(new ImageAdapter(this,dm.heightPixels,dm.widthPixels));
        
        myAnimationAlpha=new AlphaAnimation(0.1f, 1.0f);
        myAnimationAlpha.setDuration(3000);
        
        myAnimationScale=new ScaleAnimation(0.0f, 1.4f, 0.0f, 1.4f,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
        myAnimationScale.setDuration(3000);
        
        myAnimationTranslate=new TranslateAnimation(30.0f, -80.0f, 30.0f, 300.0f);
        myAnimationTranslate.setDuration(3000);
        
       myAnimationRotate=new RotateAnimation(0.0f,  350.0f,
               Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF, 0.5f);
       myAnimationRotate.setDuration(3000);
       
       
       
       // myAnimationTranslate=
        myGallery.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
					long arg3) {
				ImageView ig=(ImageView)arg1; 
				switch (i) {
				case 0: 
					ig.startAnimation(myAnimationAlpha);
					i  ;
					break; 
				case 1: 
					ig.startAnimation(myAnimationScale);
					i  ;
					break;
				case 2: 
					ig.startAnimation(myAnimationTranslate);
					i  ;
					break;
				case 3: 
					ig.startAnimation(myAnimationRotate);
					i=0;
					break;
				default:
					break;
				}
				
				
				//ImageAdapter.myImageArray[arg2];
			}
		});
        
    }
}