This is an example how to handle multi selected item with RecyclerView
- We have the main activity to display the list country (11 countries).
- We have the recyclerView in the activity
- We have country object that have name, area, capital and flag
- When user click on each iteam in the recycler view. The item will be change state from unselcted to selected and otherwise
- At the end of the main screen, we have the delete button that will handle action delete