第一次写博客，原创效果，不啰嗦，上代码上图。

/** * 1280*720 密度2；暂不支持适配 * 运行SDK android4.4.2 * @author LXD * */public class NumberWheel extends SurfaceView implements Callback,Runnable {private int oldms=500;//不更新UI时线程休眠时间private int ms=17;//更新UI时线程休眠时间(帧)private int mvingDistance=6;//更新UI时数字每次滚动距离private long millisecond=500;//刚创建时延迟运行毫秒数private boolean isRunnable=false;private Drawable down=null;private Drawable middle=null;private Drawable up=null;private Drawable background=null;private SurfaceHolder holder = null;private int width=0;//控件宽private int height=0;//控件高//回调函数private CallBackListener cbl;private NumberBean nBean=null;public NumberWheel(Context context,NumberBean nBean,LayoutParams rl,int millisecond) {super(context);// TODO Auto-generated constructor stubthis.nBean=nBean;this.millisecond=millisecond;setLayoutParams(rl);init();}//控件初始化public void init(){background=getResources().getDrawable(nBean.getBackgroundImage());ViewGroup.LayoutParams lp=getLayoutParams();if(null!=lp){width=lp.width>background.getMinimumWidth()?background.getMinimumWidth():lp.width;height=lp.height>background.getMinimumHeight()?background.getMinimumHeight():lp.height;}else{width=background.getMinimumWidth();height=background.getMinimumHeight();}nBean.doLocations(getContext(), width, height);millisecond+=System.currentTimeMillis();holder = getHolder();  holder.addCallback(this); //设置Surface生命周期回调  }public CallBackListener getCallBackListener() {return cbl;}public void setCallBackListener(CallBackListener cbl) {this.cbl = cbl;}public void restart(float endShowNum){ms=17;down=null;up=null;middle=null;nBean.setEndShowNum(endShowNum);nBean.reset(getContext(), width, height);}@Overridepublic void surfaceCreated(SurfaceHolder holder) {// TODO Auto-generated method stubdrawStatic(nBean.getStartShowNumString());isRunnable=true;if(null!=cbl){cbl.start();}new Thread(this).start();}@Overridepublic void surfaceChanged(SurfaceHolder holder, int format, int width,int height) {// TODO Auto-generated method stub}@Overridepublic void surfaceDestroyed(SurfaceHolder holder) {// TODO Auto-generated method stubisRunnable=false;}//线程运行@Overridepublic void run() {// TODO Auto-generated method stubwhile(isRunnable){try {if(millisecondheight){//坐标重置到顶端temp2[2]=temp2[2]-d.getMinimumHeight()*3;temp2[0]=temp2[0]+3>9?temp2[0]+3-10:temp2[0]+3;d=getResources().getDrawable(nBean.getNumberImages()[temp2[0]]);}int location=0;//所在位置0上1中2下int y=(height-d.getMinimumHeight())/2;if(temp2[2]>=(y+d.getMinimumHeight())){location=2;}else if(temp2[2]>=y){location=1;}else {location=0;}int x=nBean.getEndShowNumString().charAt(i)-48;boolean isContinue=false;int z=0;switch (location){case 0:z=temp2[0]-1<0?temp2[0]-1+10:temp2[0]-1;if(x==z&&temp2[2]+d.getMinimumHeight()>=y&&nBean.endByOrder(j)){isContinue=true;d=getResources().getDrawable(nBean.getNumberImages()[z]);}break;case 1:z=temp2[0];if(x==z&&temp2[2]>=y&&nBean.endByOrder(j))isContinue=true;break;case 2:z=temp2[0]+1>9?temp2[0]+1-10:temp2[0]+1;if(x==z&&temp2[2]-d.getMinimumHeight()>=y&&nBean.endByOrder(j)){isContinue=true;d=getResources().getDrawable(nBean.getNumberImages()[z]);}break;}if(isContinue){j++;temp2[0]=z;temp2[3]=0;d.setBounds(nBean.getLocations()[i][0],nBean.getLocations()[i][1],nBean.getLocations()[i][0]+d.getMinimumWidth(),nBean.getLocations()[i][1]+d.getMinimumHeight());d.draw(canvas);continue;}Rect r=new Rect(temp2[1], temp2[2], d.getMinimumWidth()+temp2[1], d.getMinimumHeight()+temp2[2]);switch (location){case 0:up=d;up.setBounds(r);up.draw(canvas);r.top+=d.getMinimumHeight();r.bottom+=d.getMinimumHeight();middle=getResources().getDrawable(nBean.getNumberImages()[temp2[0]-1<0?temp2[0]-1+10:temp2[0]-1]);middle.setBounds(r);middle.draw(canvas);if((r.top+d.getMinimumHeight())>=height){r.top-=d.getMinimumHeight()*2;r.bottom-=d.getMinimumHeight()*2;down=getResources().getDrawable(nBean.getNumberImages()[temp2[0]+1>9?temp2[0]+1-10:temp2[0]+1]);}else{r.top+=d.getMinimumHeight();r.bottom+=d.getMinimumHeight();down=getResources().getDrawable(nBean.getNumberImages()[temp2[0]-2<0?temp2[0]-2+10:temp2[0]-2]);}down.setBounds(r);down.draw(canvas);break;case 1:middle=d;middle.setBounds(r);middle.draw(canvas);r.top-=d.getMinimumHeight();r.bottom-=d.getMinimumHeight();up=getResources().getDrawable(nBean.getNumberImages()[temp2[0]+1>9?temp2[0]+1-10:temp2[0]+1]);up.setBounds(r);up.draw(canvas);if((r.top+d.getMinimumHeight()*2)>=height){r.bottom=r.top;r.top-=d.getMinimumHeight();down=getResources().getDrawable(nBean.getNumberImages()[temp2[0]+2>9?temp2[0]+2-10:temp2[0]+2]);}else{r.top+=d.getMinimumHeight()*2;r.bottom+=d.getMinimumHeight()*2;down=getResources().getDrawable(nBean.getNumberImages()[temp2[0]-1<0?temp2[0]-1+10:temp2[0]-1]);}down.setBounds(r);down.draw(canvas);break;case 2:down=d;down.setBounds(r);down.draw(canvas);r.top-=d.getMinimumHeight();r.bottom-=d.getMinimumHeight();middle=getResources().getDrawable(nBean.getNumberImages()[temp2[0]+1>9?temp2[0]+1-10:temp2[0]+1]);middle.setBounds(r);middle.draw(canvas);r.top-=d.getMinimumHeight();r.bottom-=d.getMinimumHeight();up=getResources().getDrawable(nBean.getNumberImages()[temp2[0]+2>9?temp2[0]+2-10:temp2[0]+2]);up.setBounds(r);up.draw(canvas);break;}temp2[2]+=mvingDistance;j++;}}holder.unlockCanvasAndPost(canvas);}//画初使数值前赋值高度private void drawStatic(String num){Canvas canvas=holder.lockCanvas(null);drawbackground(canvas);for(int i=0;i47&&c<58){runningNum[j]=new int[4];runningNum[j][0]=c-48;int ec=esns[i]-48;if(runningNum[j][0]==ec&&endByOrder(j))runningNum[j][3]=0;elserunningNum[j][3]=1;j++;}}}public void reset(Context context,int width,int height){init();doLocations(context, width, height);}public int[] getNumberImages() {return numberImages;}public void setNumberImages(int[] numberImages) {this.numberImages = numberImages;}public int[] getNotWheelImages() {return notWheelImages;}public void setNotWheelImages(int[] notWheelImages) {this.notWheelImages = notWheelImages;}public int[][] getLocations() {return locations;}public void setLocations(int[][] locations) {this.locations = locations;}public int getBackgroundImage() {return backgroundImage;}public void setBackgroundImage(int backgroundImage) {this.backgroundImage = backgroundImage;}public float getStartShowNum() {return startShowNum;}public void setStartShowNum(float startShowNum) {this.startShowNum = startShowNum;}public float getEndShowNum() {return endShowNum;}public void setEndShowNum(float endShowNum) {this.endShowNum = endShowNum;}public String getStartShowNumString() {return startShowNumString;}public void setStartShowNumString(String startShowNumString) {this.startShowNumString = startShowNumString;}public String getEndShowNumString() {return endShowNumString;}public void setEndShowNumString(String endShowNumString) {this.endShowNumString = endShowNumString;}public int[][] getRunningNum() {return runningNum;}public void setRunningNum(int[][] runningNum) {this.runningNum = runningNum;}//按顺序结束滚动private boolean endByOrder(int j){for (int i = 0; i < j; i++) {int [] temp=getRunningNum()[i];if(temp[3]!=0)return false;}return true;}//赋值位置坐标public void doLocations(Context context,int width,int height){locations=new int[notWheelImages.length][];for(int i=0,j=0;i