Suppose i have widget tree like this. Widget1( void someEvent(){ if(true){ } } child: Widget2( child: Widget3( child: Widget4( void someFunction(){ //called when event occurs in Widget1 } child:Container() ), ), ), ) Suppose if some events occurs in Widget1…
Recently was working with dart multi-dimensional list, i have tried to remove a row(list) from a 2 dimensional list but the remove has no effect neither contains method has a match. List<List<int>> list = [[1, 2], [3, 4]]; print(list.contains([1,2])); //…
I have a model class called Media, and I want to check if two lists of Media objects are equal. Below is the code for my Media model class and two example lists. import 'package:equatable/equatable.dart'; class Media extends Equatable {…
Will this code cause a memory leak in Flutter? Classes A and B reference each other: The VM in Flutter has GC, which is different from other languages I've learned, such as OC or Swift. I observed through dev tools…
I want to implement a global widget which handles the app state. What i want to do is suppose i am on home screen of the application and now i put the app in background. Now lets suppose if i…
I have data for 100 items coming from my API server and the data is fine with no problem with it, but I'm trying to make it show 20 items every time I get to the end of the list…
I am developing a Flutter app, and my initial screen is a custom splash screen. I'm trying to get the user's location on this screen. If the app gets the user's location, it will open the home screen widget with…
I'm using the code below to replace the letters "êm" with "em", but it's not working. str = str.replaceAll('êm', 'em'); I want to use the code to remove the accents only from some specific words such as: "crêem", "vêem", "dêem".…
I am developing an App using flutter and came across a custom curve like structure and I have no Idea how to create one. I am sharing a screenshot for the same. I did some research and found that it…
Trying to fetch data from an API with a GET method, but it keeps showing this error: ` "Error: type 'Null' is not a subtype of type 'Map<String, dynamic>' in type cast" ` why? I am making use of the…