Android studio problem

Question

Hi, i am the new coder for Android studio and i need complete one application for my assignment. When i do the recycler view in other program ,it work but after i combine these code with the main program which is my assignment, the application show the error which is the application keep stopping. I found the stackoverflow say can use alt+6 but i still dk how to solve this error. Can some one help me? Thx

Below are my GitHub for my own assignment

https://github.com/Alexong123/Project_Testing

Answer 1

What error is it showing?