Thank you so much! Your tutorial and your code were so helpful! The code was 100 times shorter and more understandable than the code the MIT App Invetor site provides! You also explain the excact purpose of each block making the viewer able to understand what is a block used for and making him able to use it in another application! Keep it up!
Thanks for the tutorial. I keep getting this runtime error: The operation length of list cannot accept the arguments: , ["questions"] Note: You will not see another error reported for 5 seconds. How can I resolve the issue?
This error occurs when your list is empty, or has less number of elements than the specified index. Does the error come when you start the app or when you try adding a question or when you try removing a question? Check and compare the code of your displayQuestions procedure as there might be something missing there.
I always show the output i.e. demo of the app at the beginning of the tutorial so that everyone knows from the very beginning what the app will look like. For example, here is when I am showing the demo in this tutorial: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-J4ksXNTlq3g.htmlsi=S5ugPzaueC2lqWua&t=11
