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فيديو شرح 46- Flutter Build a form with validation (Arabic) ضمن كورس Flutter شرح قناة Code2Start - Mohamed Fathy Taha، الفديو رقم 46 مجانى معتمد اونلاين
Apps often require users to enter information into a text field. For example, you might require users to log in with an email address and password combination.
To make apps secure and easy to use, check whether the information the user has provided is valid. If the user has correctly filled out the form, process the information. If the user submits incorrect information, display a friendly error message letting them know what went wrong.