WebOct 30, 2015 · undefined local variable or method `timetable' for #<#:0x007fcde38b0ea8> Timetable Controller. class TimetablesController < ApplicationController def index @timetables = Timetable.all end def new @timetable = Timetable.new end def create @timetable = … WebMar 27, 2024 · I/flutter (19638): When creating a TabBarView, you must either provide an explicit TabController using the "controller" I/flutter (19638): property or you must ensure that there is a DefaultTabController above the TabBarView. I/flutter (19638): In this case, there was neither an explicit controller nor a default controller.
Creating a custom controller in Flutter - Stack Overflow
WebMar 20, 2024 · class Field { final int id; final String name; final bool userEditable; final String title; Field({ required this.id, this.name, this.userEditable, this.title, }); } I am already using flutter's @required keyword but I trying to switch to dart's new required keyword. Here is pubspec.yaml's enviroment sdk line: WebJun 17, 2024 · (undefined_method at [epicare] lib\Medicines.dart:73) I am saving my details of medicine to firebase and now I want to display the reminder of all medicines at their time which has been saved in firebase so i am using for loop to get all the medicines one by one and displaying reminder, but when i try to fetch the function 'sheduledNotification ... citrix software defined workplace
ruby on rails - Couldn
WebDec 27, 2024 · The FutureBuilder documentation explicitly states that the future must be initialized outside of the build function: If the future is created at the same time as the FutureBuilder, then every time the FutureBuilder's parent is rebuilt, the asynchronous task will be restarted. You can fix this by adding a field setupDone = _setupCameras () to ... WebJun 8, 2024 · You are using StatefulWidget.To use variable from StatefulWidget to its State class (here in _CustomTextFieldState), you need to use. widget.variableName For your case it will be. return TextFormField( controller: widget.controller, decoration: InputDecoration( hintText: widget.hintText, border: OutlineInputBorder( borderSide: … WebApr 3, 2024 · This is my current code. The "Field required" does not show up when the input is null. class _HomeState extends State { final _formkey = GlobalKey(); final dickinson texas houses for sale