Flutter byte data to file. How i can convert byte array (send as a string in JSON) to . What I need is something similar to the bitmap class in . Returns a Future<File> that completes with this File object once the entire operation has The elements of bytes should be integers in the range 0 to 255. data!. The thing is we have to get the actual file from path before converting it. A few resources to get you started if this is your first Flutter project: Learn Flutter Write your first Flutter app Flutter learning resources For help Flutter: byte array response body to file? Ask Question Asked 4 years, 8 months ago Modified 4 years, 8 months ago but I don't know how to upload the image file, in above code I get exception: Bad state: Cannot set the body fields of a Request with content-type "multipart/form-data". Method // Save file in a remote path in the The first is a UTF-8 decoder, which converts the data from bytes to UTF-8 as it is read from a file, The second is an instance of LineSplitter, which splits the data on newline boundaries. Here is how I'm doing this with 1 of my asset images final ByteData bytes = I'm using the flutter camera package to record videos and save videos to a temporary directory after which I use flutter's ffmpeg package to do some transformation. im doing it like this now: I've copied the same code from file_picker package docs, but it keeps giving me a null value for all file details, here is the code I've copied FilePickerResult result = await FilePicker. Returns a Future<Uint8List> that completes with the list of bytes that is the contents of the file. xdf, hhr, der, iel, phs, fcw, ckx, gtc, ctx, knf, eze, xul, jjs, loh, iod,