Mobile App Programming Lab

상단에 File -> New -> Project && Empty Activity 생성language는 KotlinBuild 완료 후, Virtual Device 생성상단에 화살표를 눌러서 emulate 실행

Activity: A single user-based task, usually, but not always, containing viewsLayout, View & View Group: Visual arrangement of views and view groups, U

split an Activity into multiple Layouts (HorizontalScrollView, Inflater)Create and manage ListView (Adapter)Sometimes, we need more than one LayoutSom

ConstraintLayout is a ViewGroup which allows you to position and size widgets in a flexible way: ConstraintRelative: with constraint & margin value &

An Intent is a messaging object you can use to request an action from another app component.Three fundamental use cases:Starting an activityStarting a

An Intent is a messaging object you can use to request an action from another app component.Starting an activityStarting a serviceDelivering a broadca