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How to export a View as Bitmap

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In last days in my Card library , I tried to export a View as a Bitmap. A simple way to export the view is to use following code: Bitmap bitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); view.draw(canvas); Pay attention where you will use this code . If you use this in onCreate() method, the View didn't go through a layout, so its size is null (0x0). In these cases you have to use something like this before drawing the bitmap: view.measure(widthSpec, heightSpec); view.layout(left, top, right, bottom); An example: int spec = MeasureSpec.makeMeasureSpec(0,MeasureSpec.UNSPECIFIED); view.measure(spec,spec); view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight()); Bitmap b = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888); Canvas canva...