小程序 动态壁纸源码.rar

package com.example.android.livewallpapertouch; import android.app.Activity; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.os.Bundle; import android.service.wallpaper.WallpaperService; import android.view.MotionEvent; import android.view.SurfaceHolder; public class TouchLiveWallpaper extends WallpaperService { //创建 @Override public void onCreate() { super.onCreate(); } //销毁 @Override public void onDestroy() { super.onDestroy(); } //实例化引擎 @Override public Engine onCreateEngine() { return new WallpaperEngine(getResources()); } //WallpaperEngine引擎 public class WallpaperEngine extends Engine { //private final Handler handler=new Handler(); private Bitmap image; //Image private Bitmap image01, image02, image03, image04; private Bitmap image05, image06, image07, image08; private Bitmap image09, image10, image11, image12; private Bitmap image13, image14, image15, image16; private Bitmap image17, image18, image19, image20; private Bitmap[] imageIds; //public Integer[] photoIds; //Photo Array private int px=0; //Flag for switch private int photoMax; //Flag for switch private boolean visible; //显示状态 private int width; //长 private int height; //高 //实现WallpaperEngine() public WallpaperEngine(Resources r) { Bitmap[] imageIds = { image01, image02, image03, image04, image05, image06, image07, image08, image09, image10, image11, image12, image13, image14, image15, image16, image17, image18, image19, image20, }; Integer[] photoIds = { R.drawable.sakura01, R.drawable.sakura02, R.drawable.sakura03, R.drawable.sakura04, R.drawable.sakura05, R.drawable.sakura06, R.drawable.sakura07, R.drawable.sakura08, R.drawable.fire01, R.drawable.fire02, }; setImageIds(imageIds); px=0; photoMax = photoIds.length; for (int i=0 ; i < photoMax ; i++) { imageIds[i]=BitmapFactory.decodeResource(r,photoIds[i]); } } //创建引擎 @Override public void onCreate(SurfaceHolder surfaceHolder) { super.onCreate(surfaceHolder); // Enable touch setTouchEventsEnabled(true); } //变更Surface @Override public void onSurfaceChanged(SurfaceHolder holder, int format,int width,int height) { super.onSurfaceChanged(holder,format,width,height); this.width =width; this.height=height; drawFrame(); } //创建Surface @Override public void onSurfaceCreated(SurfaceHolder holder) { super.onSurfaceCreated(holder); } //销毁Surface @Override public void onSurfaceDestroyed(SurfaceHolder holder) { super.onSurfaceDestroyed(holder); visible=false; //handler.removeCallbacks(drawThread); } //变更可见/不可见状态 @Override public void onVisibilityChanged(boolean visible) { this.visible=visible; if (visible) { drawFrame(); } } //变更壁纸位置 @Override public void onOffsetsChanged(float xOffset,float yOffset, float xStep,float yStep,int xPixels,int yPixels) { drawFrame(); } //每一次触控换下一张照片 @Override public void onTouchEvent(MotionEvent event) { super.onTouchEvent(event); if (event.getAction() == MotionEvent.ACTION_UP) { drawFrame(); } } //Frame描绘 private void drawFrame() { Bitmap[] imagexx = getImageIds(); //加锁画布 SurfaceHolder holder=getSurfaceHolder(); Canvas c=holder.lockCanvas(); //描绘 c.drawColor(Color.BLUE); image = imagexx[px]; px++; if (px >= photoMax ) { px = 0; } c.drawBitmap(image, (width-image.getWidth())/2, (height-image.getHeight())/2, null); //解锁画布 holder.unlockCanvasAndPost(c); } public void setImageIds(Bitmap[] imageIds) { this.imageIds = imageIds; } public Bitmap[] getImageIds() { return imageIds; } } }