Android Studio “design tab” missing [closed]

Answer 1

In order to restore the tab, you need to close an xml file, which contains layout and reopen it again within editor. No need to restart android studio. It is, probably just a little bug.

Answer 2

You need to go on View Tab then click on Tool Windows there will be preview tab on right just click Preview Tab.

Answer 3

Go to "View" in the top menu and click on "Tool Buttons". The preview tab at the right side should appear after that.

Answer 4

There is a Java tab at the top Right side of android window. Click on that tab and the Package explorer tab will apear again