return Form( key: _formKey, child: Column( mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.stretch, children: [ TextFormField( decoration: const InputDecoration( labelText: 'Enter your name', ), // use the validator to return an error string (or null) based on the ...
I have the following issue. I have a TextFormField where the user has to put some data (for example his email). I am using a validator , but when the error raises from the TextFormField's validator, the error message and my TextFormField's values are not
This is possible due to the concept of property binding and erases any worries about keeping the text and the actual credit amount in sync.And that kids, is how you create the top bar. ;-)Buttons, Signals and the Bottom BarThe bottom bar is very similar to the top bar in terms of ...
(), labelText: 'Event detail', ), validator: (String value) => value.isEmpty ? 'Please enter event detail.' : null, ), const SizedBox( height: 5.0, ), ListTile( title: Text("Date (YYYY - MM - DD)"), subtitle: Text( "${_pickedDay.year} - ${_pickedDay.month} - ${_...