Hello everyone today i would like to share with you, how we can implement iOS’s NotificationCenter like structure in Dart. Purposes for doing this are, highly decoupling sender and receiver parts of action, creating re-usable solution for this. I will keep example pretty simple for the sake of better understanding. …

Today I would like to show you, how you can validate any number of text fields altogether without using extensive logic everywhere or using a lot of if else etc. Our objective this time is to distinguish between the bad and good ways of validating the text field. Firstly I…