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Android Build a Simple Android App with Java Creating the Screen Layout Editing a Layout File

My preview does not match the one in the video, nor does the app run on the emulator. How can I fix it?

Instead of having the "Fun Facts" at the top and navigation bar at the bottom, all it shows is, " hello world"

1 Answer

This previous answer may help

I finally find the solution. In the preview mode, i clicked on the eye and selected layout decorations and the title showed up. Thanks for help.