前面写了个View画圆弧,为了让他和底层图片效果融合,采用先把圆弧画到和图片一样大小的画布上,然后用canvas的变换位图方法映射过去. bitmapWithReflection = Bitmap.createBitmap(swidth, sheight, Config.ARGB_8888); canvas_bm = new Canvas(bitmapWithReflection); canvas_bm.drawArc(oval, -, ((, false, deafaultPaint); //…