How can i create this type of design in flutter?
I have a list of items i want to filter with when a container is selected, when you select an item it should take you a different widget which also have a list of items. I'll give a picture below…
The operator '[]' isn't defined for the class 'Iterable<dynamic>' – Flutter
[!Here is the code where i got an error, I could not use [] for this code return ListView.builder( reverse: true, itemCount: chatDocs?.length, itemBuilder: (ctx, index) => MessageBubble( chatDocs[index].data()['text'], chatDocs[index].data()['username'], chatDocs[index].data()['userImage'], chatDocs[index].data()['userId'] == user.uid, ), // Container( // padding: const…
The argument type 'String?' can't be assigned to the parameter type 'String' widget in database – Flutter
child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text( widget.category, //here ) I want to display the category where i call it from database but the Text fill occur an error. Please help me
Flutter – CastError (Null check operator used on a null value)
I am building a profile page for a flutter app where a user uploads an image from their gallery and it gets uploaded to FirebaseStorage. I am facing a problem where I'm getting a CastError that's based on using the…
RestorableBool vs bool in Flutter
According to documentation, RestorableBool class is a RestorableProperty that knows how to store and restore a bool. One example of RestorableBool is given by flutter itself in the flutter gallery project. The same result can be achieved by using simple…
Flutter drawer closes on theme change. How can I prevent this?
I am toggling application theme inside Scaffold drawer. Whenever I switch themes drawer immediately closes. Is there any way to keep drawer form closing on parent rebuild due to theme change? return Drawer( child: ListView( // Important: Remove any padding…
The argument type 'User?' can't be assigned to the parameter type 'Future<Object?>?'., when i can the code got this error – Flutter
return FutureBuilder( future: FirebaseAuth.instance.currentUser(), The function can't be unconditionally invoked because it can be 'null. Try adding a null check ('!'). ... This is the code where I got the error, I tried to add null check operator but could…
How to use SingleChildScrollView – Flutter
this is my code... it says errorerror SingleChildScrollView( child: Row( mainAxisAlignment: MainAxisAlignment.spaceAround, children: [ weightIndicator( 0, '0,2 kg', ), weightIndicator( 0, '0,4 kg', ), weightIndicator( 0, '0,6 kg', ), weightIndicator( 0, '0,8 kg', ), weightIndicator( 0, '1,0 kg', ), ],…
List<StudentModel> studentDetails = []; here StudentModel is class in flutter and i don't know how this line of code work
class StudentModel { final String name; final String age; StudentModel({required this.name, required this.age}); } this is StudentModel class I didn't understand how the values will store in this List
Error in Build file: androidappbuild.gradle line: 57 – Flutter
I'm running flutter build appbundle command and getting the error you can see on the image. what's wrong in signingConfigs. signingConfigs { release { keyAlias keystoreProperties['keyAlias'] keyPassword keystoreProperties['keyPassword'] storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null storePassword keystoreProperties['storePassword'] } } buildTypes {…