So I'm trying to have a page that you click on the floating action button and a popup dialog/ alert dialog appears with an text field which you enter the name and it creates an item in the list view,…
I have a icon that is on top of a map, Basically it is a location pin icon. I want to show or hide when a button is clicked. Initially I have set the visibility to hide but then when…
I have a TextField. I want its text not to be empty. (so I want to know if the text is empty) I have tried using the following code, but it doesn't work: controller.text.trim().isEmpty() My code: TextFormField( controller: controller, ),…
I'm using flutter web in my graduation project and saving my data in the firebase so I'm displaying my data by the following code StreamBuilder<QuerySnapshot> ( stream: FirebaseFirestore.instance.collection('Guests').snapshots(), builder: (context, snapshots) { return (snapshots.connectionState == ConnectionState.waiting) ? Center( child: CircularProgressIndicator(),)…
I am trying to access to 'mounted' property, as specified in the Flutter docs. With the following code... if (context.mounted) { } I get the following error... The getter 'mounted' isn't defined for the type 'BuildContext'. Try importing the library…
How to merge a map with same key? Codes void main() { final test1 = <int>[1]; final test2 = <int>[1]; final test3 = List.of(test1)..addAll(test2); print('Rifa 1: ${test1.length}'); print('Rifa 2: ${test2.length}'); print('Rifa 3: ${test3.length}'); print('-----------------------'); final test4 = {'rifa':'aaa'}; final test5…
I want to acess the uname field of the current loggedin user . I added uname in the registration screen like this : onPressed: () async { try { final newuser = await FirebaseAuth.instance .createUserWithEmailAndPassword( email: email ?? 'error', password:…
I'm still new to DART but I thought this would be easy to accomplish. I want to check if a List from a future contains an integer. My return type is list dynamic but when I do the check it's…
i use flutter and i used assets_audio_player library to run sounds in my app, it was working fine until last day, when i run the code it gives me PlatformException(OPEN,nul,null,null). I tried to change the version and also tried to…
I am developing a flutter app with backend running in localhost. I am using http package for making http calls. I am creating the Uri like this: Uri.https("localhost:8080", "api/v1/login"); but this Uri.https gives error, instead I need to use Uri.http.…