Why can't I drag anything onto 'activity_main.xml' in Android Studio?

Question

I am following this tutorial on how to use Android Studio to create android apps. At time 17:13 in the video the user drags an object named "ImageButton" onto the picture (emulation) of a phone. I cannot do that, I see a sign like instead.

How can I fix that in order to follow the tutorial?

Answer 1

As you can see if you look at the xml text, the activity_main.xml now includes content_main.xml. So to edit the content of activity_main.xml you need to open content_main.xml and edit that with drag-and-drop or editing the raw file. This is just a new thing in the latest version of android studio. Everything on that main page used to be in activity_main instead of being split up into two xml files as it is now.