======== Exception caught by widgets library =======================================================
The following ArgumentError was thrown building HomePage(dirty, state: _HomePageState#5431b):
Invalid argument(s)
The relevant error-causing widget was:
HomePage file:///Users/mac/AndroidStudioProjects/Health_and_Doctor_Appointment/lib/mainPage.dart:25:5
When the exception was thrown, this was the stack:
#0 _StringBase.+ (dart:core-patch/string_patch.dart:272:57)
#1 _HomePageState.build (package:health_and_doctor_appointment/screens/homePage.dart:130:32)
#2 StatefulElement.build (package:flutter/src/widgets/framework.dart:4612:27)
#3 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4495:15)
#4 StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4667:11)
...
====================================================================================================
I have fixed some bugs. Please try to pull and run again. Tell me if there is still a problem.
The app might be unstable in iOS as it is still under development. Please try to run on android.