自定义View总结 - 绘制 绘制基础 Canvas.drawColor(@ColorInt int color) 颜色填充 drawCircle(float centerX, float centerY, float radius, Paint paint) 画圆 Paint.setColor(int color),Paint.setStyle(Paint.Style style),Paint.setStrokeWidth(float width),Paint.setAntiAlias(boolean aa) drawRect(float left, float top, float right, float bottom, Paint paint) 画矩形 drawPoint(float x, float y, Paint paint) 画点 drawPoints(float[] pts, int offset, int count, Paint paint) / drawPoints(float[] pts,