Callable Cloud Functions Returning Null in Flutter
问题 My Goal: I wish to call a Cloud Function in my Flutter App which retrieves a JSON obj from a Python-FastAPI server and displays content in Alert Dialogue . The Error: The Callable Function Service within my flutter app recieves null. My alert dialog displays "Null Value Error" as triggered by my code. Cloud Side Operations: My Cloud Function works in 2 parts: Receive data from client (Flutter APP) in Callable Http Function Call Python API => return to Cloud Function which returns to Client