private static Task UploadCommon(string uploadFromPath, string firebaseFolder, string firebaseFileName) { StorageReference uploadReference = FirebaseStorage.DefaultInstance.RootReference.Child(firebaseFolder).Child(firebaseFileName); FileStream stream = new FileStream(uploadFromPath, FileMode.Open, FileAccess.Read, FileShare.Read); return(uploadReference.PutStreamAsync(stream).ContinueWith(uploadTask => { stream.Close(); })); }