Edit & add to flutter app

I make flutter app and need some edits to it, to make it perfect
- want to add validate on textfelid, I already made it but doest work when I put it in confirm onpreesed button
- need to clear textfeild content when press confirm
- Upload audio doesnt work, I already do it but there is a problem with data type, becouse the picked audio have platform file data type but thr upload function accept the file data.
-need to add alert dialog when press confirm
-add CircularProgressIndicator when video & image is loading
- there is red screen when try add alot of dynamic text feilds
-add firebase notification whithout storge, just push
- check the app performence
***** need it soooooooooooo fast