bitmapCanvas = Bitmap.createBitmap(300, 300, Bitmap.Config.ARGB_8888); canvas2 = new Canvas(bitmapCanvas); odDraw里 canvas2.drawBitmap(bitmapCanvas, 0, 0, mPaint); canvas2.drawLine(0, 0, 200, 200, paint); 这样写对么??我的没有效果~
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不能new 写在onDraw里面,用onDraw的canvas
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