[[[[enter image description here](https://i.stack.imgur.com/THp2K.png)](https://i.stack.imgur.com/ubf5E.png)](https://i.stack.imgur.com/6xAta.png)](https://i.stack.imgur.com/dyrx9.png) When İ "run", there is a problem in the first picture in the "emulator". How can I solve this problem?
I took a course on udemy. I wrote the same code that the teacher wrote. But there is such a problem in my code.
