18 questions
During WidgetTest, the value that should have been updated is not updated, which is troubling me.Update the value of _num using the add method in the TrialLogic class below and class TrialLogic with C...
I use SizeTransition to animate when adding and deleting elements of the list in itemBuilder of AnimatedList on Flutter, but how do I make it faster?This is the default animation for SizeTransition, h...
I tried to start the android emulator by pressing the run button, but the following error occurred and it didn't work.US>Error statementI uploaded the kotlin version by referring to the post below, bu...
I am currently developing a smartphone application on Flutter.Among them, I was able to confirm that the screen transition from the application I was creating to the phone application and the number s...
After the screen transition with Flutter, I want to read the data from Firestore on the transition destination screen and display it, but I can't find the event that ignites on its own right after the...
It is defined as follows:static LocationData fromMap(dynamic message){ final Map<dynamic, dynamic>dataMap=message;}However, if you write the following code in the main file, it says that fromMap...
I make my own widget using SingleChildRenderObjectWidget, RenderBox.I want to update the drawing in setState() when certain actions are performed in the parent widget of this self-widget, but it may n...
Prerequisites/What you want to achieveI would like to tweet using Twitter API v2 on Flutter.The GET request, such as Timeline acquisition, has been successfully obtained as follows, but the POST reque...
flutterdartmockitoWhat you want to do and what you can't doCurrently, when testing the return value of method A, we are trying to mock the return value of method B in method A.For the time being, if t...
I write Class in Dart, but if I inherit it, I will not be able to call the inheritance source function.How do I manage these situations?Because the actual inheritance source has a long class name, I t...
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