Android FATAL EXCEPTION MAIN: java.lang.RuntimeException: Unable to start activity ComponentInfo

Question

I am nubie at programming android and I know here on fourm is a lot of pages discrabing solution for my problem, but now I lose 2 days in still don\'t get the solution. Plea

Answer 1

Your activity name is WifiScan but you have declared it as .activity_wifi_scan change it and try again.

Change the element to: