You need to convert your workingBitmap to Mutable Bitmap for drawing on Canvas. (Note: this method does not help save memory, it will use extra memory) ```java Bitmap workingBitmap = Bitmap.createBitmap(chosenFrame); Bitmap mutableBitmap = workingBitmap.copy(Bitmap.Config.ARGB_8888, true); Canvas canvas = new Canvas(mutableBitmap); ```

https://stackoverflow.com/questions/13119582/immutable-bitmap-crash-error

or use options ```java BitmapFactory.Options options = new BitmapFactory.Options(); options.inMutable = true; Bitmap bmp = BitmapFactory.decodeFile(file.getPath(),options); ``` 27.06.24

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