I have this code var sections = []; sections.add({'name': 'test', 'qustions' : []}); sections[0]['qustions'] = {'asd':'qustions 1'}; sections[0]['qustions'] = {'name':'qustions 2'}; print(sections); returns [{name: test, qustions: {name: qustions 2}}] I want it to returns something like [{name: test, qustions: [{name:…
I am learning by myself a thing or two about Flutter. Here the problem: i am using a simple sembast DB to store a key. I want to give the user the ability to change it. This is how the…
I have the following List of Map Objects: [ { "name": "Sameera Tennakoon", "userID": "7c770f8d-hju4-4ddd-b5cb-f3d0caba2bb3", "type": "CASHIER" }, { "name": "Sam Perera", "userID": "7c770f8d-f6f4-3eee-b5cb-f3d0caba2bb3", "type": "CASHIER" }, { "name": "Uma Jackson", "userID": "7c770f8d-f6f4-4ddd-5634-f3d0caba2bb3", "type": "CASHIER" }, { "name": "Anu Ima",…
I am using the Firestore Database. And I want to add collections and data via dart code. This is basically how my map looks: Map map = { 'key1': <Map>[], 'key2': <Map>[], 'key3': <Map>[], } I basically want my firebase…
I tried to creating a build for my flutter app but it throws me an error. Can someone help? Execution failed for task ':flutter_webrtc:compileReleaseKotlin'. Error while evaluating property 'filteredArgumentsMap' of task ':flutter_webrtc:compileReleaseKotlin' Could not resolve all files for configuration ':flutter_webrtc:releaseCompileClasspath'.…
I'm new to Flutter and trying to build a simple UI but running into problems. I built an ink space with icons. My problem is that I can't get the folder icon to the left. My code: Container( width: MediaQuery.of(context).size.width…
I am trying to create three radio buttons using the "RadioListTile" widget. How to change the background color of the selected tile? I want the selected radio tile to be gray and the others to be white. How to achieve…
I'm writing a Material app and want to use the predefined text theme styles as much as possible rather than re-inventing typical theme elements from scratch. So to set the text a little bigger I do this Text('foo', style: Theme.of(context).textTheme.bodyLarge);…
I'm attempting to access a JSON response from a server so I can output the contents on the screen, but I keep getting the error message: Unhandled Exception: type 'List' is not a subtype of type 'Map<String, dynamic>' in type…
Found out a strange problem when I was creating a rotation animation for an Icon. I use RotationTransition to animate Icons.sync. And I also use Transform because I need a mirrored version of the icon. The results is strange -…