public LotteryView(Context context) {
    this(context, null);
  }

  public LotteryView(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }

  public LotteryView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    init(context, attrs);
  }

 @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    //super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    setMeasuredDimension(mSelfTotalWidth, mSelfTotalWidth);
  }

/** 外层带圆角矩形圆环 */
  private void drawOuterRoundCircle(Canvas canvas) {
    canvas.save();
    canvas.clipRect(
        mOuterCircleWidth + getPaddingLeft(),
        mOuterCircleWidth + getPaddingTop(),
        mSelfTotalWidth - mOuterCircleWidth - getPaddingRight(),
        mSelfTotalWidth - mOuterCircleWidth - getPaddingBottom(),
        Region.Op.DIFFERENCE);

    canvas.drawRoundRect(
        getPaddingLeft(),
        getPaddingTop(),
        mSelfTotalWidth - getPaddingRight(),
        mSelfTotalWidth - getPaddingBottom(),
        18, 18, mOuterCirclePaint);
    canvas.restore();
  }

private void drawOuterDecorateSmallCircle(Canvas canvas) {
    int result = mInvalidateCircleCount % 2;

    // top
    int x = 0, y = 0;
    int sideSize = mSelfTotalWidth - mOuterCircleWidth * 2 - getPaddingLeft() - getPaddingRight(); // 除去最外边圆环后的边长
    for (int i = 0; i < 10; i++) {
      mSmallCirclePaint.setColor(i % 2 == result ? mSmallCircleYellowColor : mSmallCircleBlueColor);
      x = mOuterCircleWidth + (sideSize - mSmallCircleRadius * 2 * 9) / 9 * i + mSmallCircleRadius * 2 * i + getPaddingLeft();
      y = (mOuterCircleWidth - mSmallCircleRadius * 2) / 2 + mSmallCircleRadius + getPaddingTop();
      canvas.drawCircle(x, y, mSmallCircleRadius, mSmallCirclePaint);
    }

    // bottom
    for (int i = 0; i < 10; i++) {
      mSmallCirclePaint.setColor(i % 2 == result ? mSmallCircleYellowColor : mSmallCircleBlueColor);
      x = mOuterCircleWidth + (sideSize - mSmallCircleRadius * 2 * 9) / 9 * i + mSmallCircleRadius * 2 * i + getPaddingLeft();
      y = mSelfTotalWidth - mOuterCircleWidth + (mOuterCircleWidth - mSmallCircleRadius * 2) / 2 + mSmallCircleRadius - getPaddingBottom();
      canvas.drawCircle(x, y, mSmallCircleRadius, mSmallCirclePaint);
    }

    // left
    for(int i = 0; i < 9; i++) {
      mSmallCirclePaint.setColor(i % 2 == (result == 0 ? 1 : 0) ? mSmallCircleYellowColor : mSmallCircleBlueColor);
      x = mOuterCircleWidth / 2 + getPaddingLeft();
      y = mOuterCircleWidth*2 + (sideSize - mSmallCircleRadius * 2 * 9) / 9 * i + mSmallCircleRadius * 2 * i + getPaddingTop();
      canvas.drawCircle(x, y, mSmallCircleRadius, mSmallCirclePaint);
    }

    // right
    for(int i = 0; i < 9; i++) {
      mSmallCirclePaint.setColor(i % 2 == result ? mSmallCircleYellowColor : mSmallCircleBlueColor);
      x = mSelfTotalWidth - mOuterCircleWidth / 2 - getPaddingRight();
      y = mOuterCircleWidth*2 + (sideSize - mSmallCircleRadius * 2 * 9) / 9 * i + mSmallCircleRadius * 2 * i + getPaddingTop();
      canvas.drawCircle(x, y, mSmallCircleRadius, mSmallCirclePaint);
    }
  }

private void drawInnerBackground(Canvas canvas) {
    canvas.drawRect(mOuterCircleWidth + getPaddingLeft(), mOuterCircleWidth + getPaddingTop(),
        mSelfTotalWidth - mOuterCircleWidth - getPaddingRight(),
        mSelfTotalWidth - mOuterCircleWidth - getPaddingBottom(), mInnerPaint);
  } 

private void drawInnerCards(Canvas canvas) {
    int left = 0, top = 0, right = 0, bottom = 0;
    int spaceNum = 0;
    for(int i = 0 ; i < 9 ; i++) {
      spaceNum = i % 3 + 1;
      left = mOuterCircleWidth + mInnerCardWidth * (i%3) + mInnerCardSpace * spaceNum + getPaddingLeft();
      top = mOuterCircleWidth + mInnerCardWidth * (i/3) +mInnerCardSpace * (i/3 + 1) + getPaddingTop();
      right = left + mInnerCardWidth;
      bottom = top + mInnerCardWidth;
      if(!mHadInitial) {
        mCardPositionInfoList.add(new Pair(new Pair(left, right), new Pair(top, bottom)));
      }
      drawInnerRoundCard(canvas, left, top, right, bottom, i);
    }
    mHadInitial = true;
  }　

private int getTouchPositionInCardList(int x, int y) {
    if(mCardPositionInfoList != null) {
      int index = 1;
      for (Pair<Pair<Integer, Integer>,Pair<Integer, Integer>> pair : mCardPositionInfoList) {
        if(x > pair.first.first && x < pair.first.second && y > pair.second.first && y < pair.second.second) {
          return index;
        }
        index++;
      }
    }
    return 0;
  }