App Inventor 2 Tutorials for Beginners - 10 Procedure
-100BestcodeexamplesforAppinventor.Besttutorial.·1.-Presentation.Pythagoras.Twoscreens.·2.-Properties.Button.Events.·3.-TimePicker.,Acommandisablockthatspecifiesanactiontobeperformedonthephone(e.g.,playingsounds).Mostcommandblocksareincolor.Herea...。參考影片的文章的如下: