Android Master Topic

  Flutter form validation Getting started with form validation in Flutter The Flutter SDK provides us with an out-of-the-box widget and functionalities to make our lives easier when using form validation. In this article, we’ll cover two approaches to form validation: the form widget and the Provider package. You can find more information on these two approaches in the official Flutter docs. Creating a form in Flutter First, we are going to create a simple login page that has the following fields: Email Name Phone number Password For the validation, we want the users of our app to fill in the correct details in each of these fields. The logic will be defined as such: First, for the name field, we want the user to enter a valid first name and last name, which can be accompanied by initials. For the email field, we want a valid email that contains some characters before the “@” sign, as well as the email domain at the end of the email. For phone number validation, the user is expecte...