ViewAndGroup:Android 之View测量，绘制，自定义VIew，ViewGroup的测量，绘制，自定义ViewG...

ViewAndGroup 基本图形的绘制 二阶贝塞尔曲线 @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); //绘制数据点和控制点 mPaint.setColor(Color.GRAY); mPaint.setStrokeWidth(20); canvas.drawPoint(start.x, start.y, mPaint); canvas.drawPoint(end.x, end.y, mPaint); canvas.drawPoint(control.x, control.y, mPaint); //绘制辅助线 mPaint.setStrokeWidth(4); canv