一：先来张效果图(这里应该是GIF动画，我就截屏的所有没有动画，实际是动的)

二：实现步骤：

-------.其实这个挺简单的，就写两个工具类，我把代码贴出来，都有注释，我就不解释什么了、

1.转盘抽奖的工具类：

package cll.com.myapplication;import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.Log;
import android.util.TypedValue;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;/***工具类*/
public class BitWheelView extends SurfaceView implements Callback, Runnable {private SurfaceHolder mHolder;/*** 与SurfaceHolder绑定的Canvas*/private Canvas mCanvas;/*** 用于绘制的线程*/private Thread t;/*** 线程的控制开关*/private boolean isRunning;/*** 抽奖的文字*/private String[] mStrs = new String[]{"单反相机", "IPAD", "恭喜发财", "IPHONE","妹子一只", "恭喜发财"};/*** 每个盘块的颜色*/private int[] mColors = new int[]{0xFFFFC300, 0xFFF17E01, 0xFFFFC300,0xFFF17E01, 0xFFFFC300, 0xFFF17E01};/*** 与文字对应的图片*/private int[] mImgs = new int[]{R.mipmap.danfan, R.mipmap.ipad,R.mipmap.f040, R.mipmap.iphone, R.mipmap.meizi,R.mipmap.f040};/*** 与文字对应图片的bitmap数组*/private Bitmap[] mImgsBitmap;/*** 盘块的个数*/private int mItemCount = 6;/*** 绘制盘块的范围*/private RectF mRange = new RectF();/*** 圆的直径*/private int mRadius;/*** 绘制盘快的画笔*/private Paint mArcPaint;/*** 绘制文字的画笔*/private Paint mTextPaint;/*** 滚动的速度*/private double mSpeed;private volatile float mStartAngle = 0;/*** 是否点击了停止*/private boolean isShouldEnd;/*** 控件的中心位置*/private int mCenter;/*** 控件的padding，这里我们认为4个padding的值一致，以paddingleft为标准*/private int mPadding;/*** 背景图的bitmap*/private Bitmap mBgBitmap = BitmapFactory.decodeResource(getResources(),R.mipmap.bg2);/*** 文字的大小*/private float mTextSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 20, getResources().getDisplayMetrics());public BitWheelView(Context context) {this(context, null);}public BitWheelView(Context context, AttributeSet attrs) {super(context, attrs);mHolder = getHolder();mHolder.addCallback(this);// setZOrderOnTop(true);// 设置画布 背景透明// mHolder.setFormat(PixelFormat.TRANSLUCENT);setFocusable(true);setFocusableInTouchMode(true);this.setKeepScreenOn(true);}/*** 设置控件为正方形*/@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {super.onMeasure(widthMeasureSpec, heightMeasureSpec);int width = Math.min(getMeasuredWidth(), getMeasuredHeight());// 获取圆形的直径mRadius = width - getPaddingLeft() - getPaddingRight();// padding值mPadding = getPaddingLeft();// 中心点mCenter = width / 2;setMeasuredDimension(width, width);}@Overridepublic void surfaceCreated(SurfaceHolder holder) {// 初始化绘制圆弧的画笔mArcPaint = new Paint();mArcPaint.setAntiAlias(true);mArcPaint.setDither(true);// 初始化绘制文字的画笔mTextPaint = new Paint();mTextPaint.setColor(0xFFffffff);mTextPaint.setTextSize(mTextSize);// 圆弧的绘制范围mRange = new RectF(getPaddingLeft(), getPaddingLeft(), mRadius+ getPaddingLeft(), mRadius + getPaddingLeft());// 初始化图片mImgsBitmap = new Bitmap[mItemCount];for (int i = 0; i < mItemCount; i++) {mImgsBitmap[i] = BitmapFactory.decodeResource(getResources(),mImgs[i]);}// 开启线程isRunning = true;t = new Thread(this);t.start();}@Overridepublic void surfaceChanged(SurfaceHolder holder, int format, int width,int height) {}@Overridepublic void surfaceDestroyed(SurfaceHolder holder) {// 通知关闭线程isRunning = false;}@Overridepublic void run() {// 不断的进行drawwhile (isRunning) {long start = System.currentTimeMillis();draw();long end = System.currentTimeMillis();try {if (end - start < 50) {Thread.sleep(50 - (end - start));}} catch (InterruptedException e) {e.printStackTrace();}}}private void draw() {try {// 获得canvasmCanvas = mHolder.lockCanvas();if (mCanvas != null) {// 绘制背景图drawBg();/*** 绘制每个块块，每个块块上的文本，每个块块上的图片*/float tmpAngle = mStartAngle;float sweepAngle = (float) (360 / mItemCount);for (int i = 0; i < mItemCount; i++) {// 绘制快快mArcPaint.setColor(mColors[i]);
//             mArcPaint.setStyle(Style.STROKE);mCanvas.drawArc(mRange, tmpAngle, sweepAngle, true,mArcPaint);// 绘制文本drawText(tmpAngle, sweepAngle, mStrs[i]);// 绘制IcondrawIcon(tmpAngle, i);tmpAngle += sweepAngle;}// 如果mSpeed不等于0，则相当于在滚动mStartAngle += mSpeed;// 点击停止时，设置mSpeed为递减，为0值转盘停止if (isShouldEnd) {mSpeed -= 1;}if (mSpeed <= 0) {mSpeed = 0;isShouldEnd = false;}// 根据当前旋转的mStartAngle计算当前滚动到的区域calInExactArea(mStartAngle);}} catch (Exception e) {e.printStackTrace();} finally {if (mCanvas != null)mHolder.unlockCanvasAndPost(mCanvas);}}/*** 根据当前旋转的mStartAngle计算当前滚动到的区域 绘制背景，不重要，完全为了美观*/private void drawBg() {mCanvas.drawColor(0xFFFFFFFF);mCanvas.drawBitmap(mBgBitmap, null, new Rect(mPadding / 2,mPadding / 2, getMeasuredWidth() - mPadding / 2,getMeasuredWidth() - mPadding / 2), null);}/*** 根据当前旋转的mStartAngle计算当前滚动到的区域** @param startAngle*/public void calInExactArea(float startAngle) {// 让指针从水平向右开始计算float rotate = startAngle + 90;rotate %= 360.0;for (int i = 0; i < mItemCount; i++) {// 每个的中奖范围float from = 360 - (i + 1) * (360 / mItemCount);float to = from + 360 - (i) * (360 / mItemCount);if ((rotate > from) && (rotate < to)) {Log.d("TAG", mStrs[i]);return;}}}/*** 绘制图片** @param startAngle* @param* @param i*/private void drawIcon(float startAngle, int i) {// 设置图片的宽度为直径的1/8int imgWidth = mRadius / 8;float angle = (float) ((30 + startAngle) * (Math.PI / 180));int x = (int) (mCenter + mRadius / 2 / 2 * Math.cos(angle));int y = (int) (mCenter + mRadius / 2 / 2 * Math.sin(angle));// 确定绘制图片的位置Rect rect = new Rect(x - imgWidth / 2, y - imgWidth / 2, x + imgWidth/ 2, y + imgWidth / 2);mCanvas.drawBitmap(mImgsBitmap[i], null, rect, null);}/*** 绘制文本** @param* @param startAngle* @param sweepAngle* @param string*/private void drawText(float startAngle, float sweepAngle, String string) {Path path = new Path();path.addArc(mRange, startAngle, sweepAngle);float textWidth = mTextPaint.measureText(string);// 利用水平偏移让文字居中float hOffset = (float) (mRadius * Math.PI / mItemCount / 2 - textWidth / 2);// 水平偏移float vOffset = mRadius / 2 / 6;// 垂直偏移mCanvas.drawTextOnPath(string, path, hOffset, vOffset, mTextPaint);}/*** 点击开始旋转** @param luckyIndex*/public void luckyStart(int luckyIndex) {// 每项角度大小float angle = (float) (360 / mItemCount);// 中奖角度范围（因为指针向上，所以水平第一项旋转到指针指向，需要旋转210-270；）float from = 270 - (luckyIndex + 1) * angle;float to = from + angle;// 停下来时旋转的距离float targetFrom = 4 * 360 + from;/*** <pre>*  (v1 + 0) * (v1+1) / 2 = target ;*  v1*v1 + v1 - 2target = 0 ;*  v1=-1+(1*1 + 8 *1 * target)/2;* </pre>*/float v1 = (float) (Math.sqrt(1 * 1 + 8 * 1 * targetFrom) - 1) / 2;float targetTo = 4 * 360 + to;float v2 = (float) (Math.sqrt(1 * 1 + 8 * 1 * targetTo) - 1) / 2;mSpeed = (float) (v1 + Math.random() * (v2 - v1));isShouldEnd = false;}public void luckyEnd() {mStartAngle = 0;isShouldEnd = true;}public boolean isStart() {return mSpeed != 0;}public boolean isShouldEnd() {return isShouldEnd;}}

2.九宫格的工具类：

package cll.com.myapplication;import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;import java.util.Random;/*** 九宫格工具类*/
public class LuckyView extends LinearLayout implements Runnable,OnTouchListener{private Context mContext;private AttributeSet mAttrs;private int mItemSize = 9;/*** 抽奖的文字*/private String[] mStrs = new String[] { "单反相机", "IPAD", "恭喜发财", "IPHONE","妹子一只", "恭喜发财","妹子一只", "恭喜发财","妹子一只" };/*** 每个盘块的颜色*/private int[] mColors = new int[] { 0xFFFFC300, 0xFFF17E01, 0xFFFFC300,0xFFF17E01, 0xFFFFC300, 0xFFF17E01,0xFFF17E01, 0xFFFFC300, 0xFFF17E01 };/*** 与文字对应的图片*/private int[] mImgs = new int[] { R.mipmap.danfan, R.mipmap.ipad,R.mipmap.f040, R.mipmap.iphone, R.mipmap.meizi,R.mipmap.f040 , R.mipmap.iphone, R.mipmap.meizi,R.mipmap.f040};public static final int MESSAGE_9 = 9;public static final int MESSAGE_1 = 1;public static final int MESSAGE_2 = 2;public static final int MESSAGE_3 = 3;public static final int MESSAGE_4 = 4;public static final int MESSAGE_5 = 5;public static final int MESSAGE_6 = 6;public static final int MESSAGE_7 = 7;public static final int MESSAGE_8 = 8;public static final int MESSAGE_11 = 11;public static final int MESSAGE_22 = 22;public static final int MESSAGE_33 = 33;public static final int MESSAGE_44 = 44;public static final int MESSAGE_55 = 55;public static final int MESSAGE_66 = 66;public static final int MESSAGE_77 = 77;public static final int MESSAGE_88 = 88;public static final int MESSAGE_STOP = 10;boolean IsLongPressed = false;int flag = 1;int number = 8;TextView tv1;TextView tv2;TextView tv3;TextView tv4;TextView tv5;TextView tv6;TextView tv7;TextView tv8;TextView tv9;ImageView iv;int width;int height;Bitmap wheel;Bitmap wheel1;Bitmap wheel2;Bitmap wheel3;Bitmap wheel4;Bitmap wheel5;Bitmap wheel6;Bitmap wheel7;Bitmap wheel8;Handler handler;public LuckyView(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);mContext = context;mAttrs = attrs;init();}public LuckyView(Context context, AttributeSet attrs) {super(context, attrs);mContext = context;mAttrs = attrs;init();}public LuckyView(Context context) {super(context);mContext = context;init();}public void init(){setOrientation(VERTICAL);TypedArray array = mContext.obtainStyledAttributes(mAttrs, R.styleable.LuckyView);mItemSize = array.getInt(R.styleable.LuckyView_size, 0);View view = LayoutInflater.from(mContext).inflate(R.layout.item, this);tv1 = (TextView)findViewById(R.id.tv1);tv2 = (TextView)findViewById(R.id.tv2);tv3 = (TextView)findViewById(R.id.tv3);tv4 = (TextView)findViewById(R.id.tv4);tv5 = (TextView)findViewById(R.id.tv5);tv6 = (TextView)findViewById(R.id.tv6);tv7 = (TextView)findViewById(R.id.tv7);tv8 = (TextView)findViewById(R.id.tv8);tv9 = (TextView)findViewById(R.id.tv9);tv1.setBackgroundResource(mImgs[0]);tv2.setBackgroundResource(mImgs[1]);tv3.setBackgroundResource(mImgs[2]);tv4.setBackgroundResource(mImgs[3]);tv5.setBackgroundResource(mImgs[4]);tv6.setBackgroundResource(mImgs[5]);tv7.setBackgroundResource(mImgs[6]);tv8.setBackgroundResource(mImgs[7]);tv1.setText(mStrs[0]);tv2.setText(mStrs[1]);tv3.setText(mStrs[2]);tv4.setText(mStrs[3]);tv5.setText(mStrs[4]);tv6.setText(mStrs[5]);tv7.setText(mStrs[6]);tv8.setText(mStrs[7]);tv9.setText("Run");tv9.setOnTouchListener(this);iv = (ImageView)findViewById(R.id.iv);WindowManager wm=(WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);width=wm.getDefaultDisplay().getWidth();       //手机屏幕的宽度height=wm.getDefaultDisplay().getHeight()+90;      //手机屏幕的高度wheel = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel);wheel1 = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel1);wheel2 = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel2);wheel3 = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel3);wheel4 = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel4);wheel5 = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel5);wheel6 = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel6);wheel7 = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel7);wheel8 = BitmapFactory.decodeResource(getResources(), R.mipmap.wheel8);}@Overridepublic void run() {}Handler mHandler = new Handler() {public void handleMessage(Message msg) {switch (msg.what) {case MESSAGE_1:iv.setImageBitmap(wheel1);tv1.setText(mStrs[MESSAGE_1-1]);break;case MESSAGE_2:iv.setImageBitmap(wheel2);tv2.setText(mStrs[MESSAGE_2-1]);break;case MESSAGE_3:iv.setImageBitmap(wheel3);tv3.setText(mStrs[MESSAGE_3-1]);break;case MESSAGE_4:iv.setImageBitmap(wheel4);tv4.setText(mStrs[MESSAGE_4-1]);break;case MESSAGE_5:iv.setImageBitmap(wheel5);tv5.setText(mStrs[MESSAGE_5-1]);break;case MESSAGE_6:iv.setImageBitmap(wheel6);tv6.setText(mStrs[MESSAGE_6-1]);break;case MESSAGE_7:iv.setImageBitmap(wheel7);tv7.setText(mStrs[MESSAGE_7-1]);break;case MESSAGE_8:iv.setImageBitmap(wheel8);tv8.setText(mStrs[MESSAGE_8-1]);break;case MESSAGE_11:flag = 1;
//             dialog();break;case MESSAGE_22:flag = 2;
//             dialog();break;case MESSAGE_33:flag = 3;
//             dialog();break;case MESSAGE_44:flag = 4;
//             dialog();break;case MESSAGE_55:flag = 5;
//             dialog();break;case MESSAGE_66:flag = 6;
//             dialog();break;case MESSAGE_77:flag = 7;
//             dialog();break;case MESSAGE_88:flag = 8;
//             dialog();break;case MESSAGE_STOP:Bundle bundle = new Bundle();bundle = msg.getData();int i = bundle.getInt("msg");tv9.setText("RUN");switch (i%8) {case 0:break;case 1:break;case 2:break;case 3:break;case 4:break;case 5:break;case 6:break;case 7:break;default:break;}break;}}};@Overridepublic boolean onTouch(View v, MotionEvent event) {Message msg = new Message();if(event.getAction()==MotionEvent.ACTION_DOWN){//zhongjiantv9.setText("RUNNING");Random random = new Random();number = random.nextInt((8))+1;Log.i("chz",""+number);new Thread(new Runnable() {public void run() {Random random = new Random();int num = random.nextInt((8));Log.i("chz",""+(num+3));while(number<60+num){Message message = new Message();switch (number%8) {case 0:message.what = MESSAGE_8;break;case 1:message.what = MESSAGE_1;break;case 2:message.what = MESSAGE_2;break;case 3:message.what = MESSAGE_3;break;case 4:message.what = MESSAGE_4;break;case 5:message.what = MESSAGE_5;break;case 6:message.what = MESSAGE_6;break;case 7:message.what = MESSAGE_7;break;case 8:message.what = MESSAGE_8;break;default:break;}number++;
//                 Bundle bundle = new Bundle();
//                  bundle.putString("msg", "chzlovehp");
//                  message.setData(bundle);mHandler.sendMessage(message);if(number<50){try {Thread.sleep(100);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}else if(number>50 && number<60){try {Thread.sleep(300);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}else{try {Thread.sleep(400);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}Message message = new Message();message.what = MESSAGE_STOP;Bundle bundle = new Bundle();bundle.putInt("msg", (num+3));message.setData(bundle);mHandler.sendMessage(message);}}).start();mHandler.sendMessage(msg);}return false;}
}

------------------就那么简单，有不懂得自己下demo看，不喜勿喷、

------------------demo地址：点击打开链接