android 幻灯片效果之小方块渐入渐出

实现原理：

使用SurfaceView一直重绘实现该动画效果

先看效果图：

代码实现：

a，黑块渐渐消失，最后显示图片

package com.open.turnpage;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.PaintFlagsDrawFilter;import android.graphics.Rect;import android.view.SurfaceHolder;/** *  * @author yanglonghui * */public class BlackSquareZoomIn implements ITurnPage {	private int duration=850;//动画持续时间	private final int leafNum=5;	private PaintFlagsDrawFilter pdf=new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG|Paint.FILTER_BITMAP_FLAG);		public BlackSquareZoomIn() {		// TODO Auto-generated constructor stub	}	@Override	public void onCreate() {		// TODO Auto-generated method stub	}	@Override	public void onTurnPageDraw(SurfaceHolder holder, Bitmap[] bitmap,			int maxWidth, int maxHeight) {				int dx=(maxWidth-bitmap[0].getWidth())/2;		int dy=(maxHeight-bitmap[0].getHeight())/2;		int perWidth=maxWidth/leafNum;		int row=maxHeight/perWidth;		int perHeight=maxHeight/row;		Rect[][] array=new Rect[row][leafNum];		for(int i=0;ib，图片以方块渐渐显示
 
 
package com.open.turnpage;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.PaintFlagsDrawFilter;import android.graphics.Rect;import android.view.SurfaceHolder;/** *  * @author yanglonghui * */public class BlackSquareFadeAway implements ITurnPage {	private int duration=850;//动画持续时间	private final int leafNum=5;	private PaintFlagsDrawFilter pdf=new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG|Paint.FILTER_BITMAP_FLAG);		public BlackSquareFadeAway() {		// TODO Auto-generated constructor stub	}	@Override	public void onCreate() {		// TODO Auto-generated method stub	}	@Override	public void onTurnPageDraw(SurfaceHolder holder, Bitmap[] bitmap,			int maxWidth, int maxHeight) {				int dx=(maxWidth-bitmap[0].getWidth())/2;		int dy=(maxHeight-bitmap[0].getHeight())/2;		int perWidth=maxWidth/leafNum;		int row=maxHeight/perWidth;		int perHeight=maxHeight/row;		Rect[][] array=new Rect[row][leafNum];		for(int i=0;i