绚丽的Android3D相册

完整代码：3D相册（Gallery 3D + 倒影效果） GalleryFlow

 

 

部分代码：

package com.image.galleryFlow;

import android.app.Activity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;

public class GalleryFlowActivity extends Activity {
    private GalleryFlow galleryFlow;
    private ImageAdapter adapter;
    private GestureDetector detector;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.layout_gallery);

        detector = new GestureDetector(new MyGestureListener());
        int[] images = { R.drawable.p01, R.drawable.p02, R.drawable.p03,
                R.drawable.p04, R.drawable.p05 };
        adapter = new ImageAdapter(this, images);
        adapter.createReflectedImages();

        galleryFlow = (GalleryFlow) findViewById(R.id.gallery_flow);
        galleryFlow.setAdapter(adapter);
        galleryFlow.setSelection(1);
    }

    private class MyGestureListener extends SimpleOnGestureListener {

        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
                float velocityY) {
            // TODO Auto-generated method stub
            int currentPosition = galleryFlow.getSelectedItemPosition();
            if (e1.getX() - e2.getX() > 50 && Math.abs(velocityX) > 100) {
                if (currentPosition + 1 == adapter.getCount()) {
                    galleryFlow.setSelection(0);
                } else {
                    galleryFlow.setSelection(currentPosition + 1);
                }
            } else if (e2.getX() - e1.getX() > 50 && Math.abs(velocityX) > 100) {
                if (currentPosition - 1 < 0) {
                    galleryFlow.setSelection(adapter.getCount() - 1);
                } else {
                    galleryFlow.setSelection(currentPosition - 1);
                }
            }
            return super.onFling(e1, e2, velocityX, velocityY);
        }

    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        // TODO Auto-generated method stub
        return detector.onTouchEvent(event);
    }
}