Pallette items are not visible in Android Studio 2.3.3

Question

I am not finding any items such as Buttons, Text field, Layouts, Images, Checkbox, etc. I can see only below items.

1. Menu Item
2. Search Item
3. Switch Item
4. Menu
5. Group

Please look at the screen shot at below location. Screenshot: https://i.stack.imgur.com/fGzVE.png

Answer 1

You are viewing a menu resource file with top element menu. So those are the only viable options. If you want to create a view with buttons, text fields, etc you need to create a layout resource file. So your xml should have a top element of LinearLayout, RelativeLayout, etc.