Change activity orientation to horizontal.

And change its viewgroup type to LinearLayout.
Add a editfield and a button and string resources.
Make the edit fill up the screen.
fixup! Add a editfield and a button and string resources.
Add onclick method to main activity.
Build and intent.
Start the second activity.
Create the second activity.
Action bar and up button.
fixup! Add onclick method to main activity.
Receive the intent and Display the message.