Bitmap is returning null from BitmapFactory.decodeFile(filename)

Question

When I am calling this function there is no image in image view bitmapFactory.decodefile(filename) showing null .. please help for this.

Here is my cod

Answer 1

It's simple: your file either is not an image or image that is not supported by Android's Bitmap implementation, or you path is invalid.

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See documentation for BitmapFactory.decodeFile(String file):

Returns
the resulting decoded bitmap, or null if it could not be decoded.

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Usually when bitmap cannot be decoded some logs are printed to logcat. Inspect them carefully.

Answer 2

I was missing run time permission check on API level greater than 22. Starting Marshmellow