How to change a bitmap’s opacity?
As far as I know, opacity or other color filters can’t be set on the Bitmap itself. You will need to set the alpha when you use the image: If you’re using ImageView, there is ImageView.setAlpha(). If you’re using a Canvas, then you need to use Paint.setAlpha(): Paint paint = new Paint(); paint.setAlpha(100); canvas.drawBitmap(bitmap, src, … Read more