im calling a get response in Dio with my api,but i keep getting this error "'FutureOr<Response>', is a potentially non-nullable type." althoug i have returned a return statement in my get api function. i add a return statement to it…
If I have a fraction double stored as a string i.e., "16/9", "16 / 9", "9/16", "9 / 16", etc., how can I convert it to a double? Or should I store those differently in order to convert them to…
The following error message occurred. "The argument type 'String?' can't be assigned to the parameter type 'String’" [] I don't understand why this is an error. If there is anyone who knows the solution, please let me know. i want…
Code snippet A is working, but not snippet B. I check variable "image"s data type with print(), both A and B's image (variable) has a datatype (XFile), not a Null. But B is still not working.... final XFile? image =…
Here is my Product class: class Product { int? id ; String? shop_id; String? category_id; String? sub_cat_id; String? product_title; String? product_Description; String? product_image; int? product_price; int? discount; int? quantity; int? uom_id; String? in_stock; String? status; String? created_at; String? updated_at; String?…
handleSignUp() async { if (await authProvider.register( name: nameController.text, username: usernameController.text, email: emailController.text, password: passwordController.text, )){ please help me for this to solve thanktyouuu
I get this error when I run my flutter App. I've not been able to figure out why this error keeps occurring. Error: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════ The following _CastError was thrown building RawGestureDetector-[LabeledGlobalKey#3c378](state: RawGestureDetectorState#d987a(gestures: , behavior:…
I have the starts and ends fields in my model as Timestamp, but I am getting this error. I don't get it when I define start and end as var in my Model. Unhandled Exception: type 'Null' is not a…
import 'package:flutter/material.dart'; import 'dart:math'; import 'dart:io'; main(){ print("Enter the first number:"); String num1 = stdin.readLineSync()!; print("Enter the second number:"); String mun2 = stdin.readLineSync()!; print(num1 + mun2); } Whenever i try this code to extract the input i get this error,…
am running my desktop application using flutter 2.10.0 and am getting this error type. following is my flutter doctor output: Doctor summary (to see all details, run flutter doctor -v): [√] Flutter (Channel stable, 2.10.0, on Microsoft Windows [Version 10.0.19044.1766],…