Creates a .jpg filename

create_jpeg_filename_with_timestamp.txt

    private fun createImageFile(albumName: String): File?
    {
        val randomString = UUID.randomUUID().toString()

        val fileLocation = File(
            context?.getExternalFilesDir(Environment.DIRECTORY_PICTURES), albumName
        )

        fileLocation.apply {
            if(!this.exists())
            {
                if(!this.mkdirs())
                {
                    Log.d(
                        this.javaClass.simpleName, "Could not create $albumName in " +
                                "${context?.getExternalFilesDir(Environment.DIRECTORY_PICTURES)}"
                    )
                    return null
                }
            }
        }

        val timeStamp = SimpleDateFormat(
            "EE-dd-MMM-yyyy-KK-mm:a",
            Locale.getDefault()
        ).format(Date())
        return File("${fileLocation.path}${File.separator}taken_on_${timeStamp}_$randomString.jpg")
    }