//绘制盘块

float tmpAngle = mStartAngle ; //绘制角度

float sweepAngle = 360 / mItemCount ;

for (int i = 0; i < mItemCount ; i++)

{

mArcPaint.setColor(mColors[i]);

//第一个参数为矩形区域，第二个参数为起始的角度

mCanvas.drawArc(mRange, tmpAngle, sweepAngle, true, mArcPaint);

//绘制文本

// drawText(tmpAngle , sweepAngle , mStrs[i]);

// tmpAngle += sweepAngle ;

}