Appium-Activity used to start app doesn't exist or cannot be launched! Make sure it exists and is a launchable activity

Question

I am trying to run a test file created on eclipse using appium. When I execute the test on a real android device connected to the system, I get the following error:

Enco

Answer 1

I always received "Encountered internal error running command: Error: The application at " "does not exist or is not accessible" I user a Driver wait and it solved.