1. activity_main.xml

activity_main.xml 완료
https://github.com/YeoulLee/tflite-start/blob/master/image_classification/app/src/main/res/layout/activity_main.xml

2. <include> tag 사용

Layout을 효과적으로 reuse하기 위해 include tag를 사용한다.

https://developer.android.com/training/improving-layouts/reusing-layouts