Waiting for HOME ('android.process.acore') to be launched

Question

I tried working the Hello World application and the emulator freezes after it flashes the Android start screen. The home page is not shown. The last display on the console i

Answer 1

I get this problem all the time and have lost many hours of potential productivity and education while I try to fix it. The only thing that works for me is the combination of three other good answers:

1. Project -> Clean
2. Delete all the AVDs and create new ones
3. If an attempt to run still hangs too long on 'Waiting for HOME' (over two minutes) or the emulator keeps rebooting every minute or so, try Run as Android App several times, choosing the same existing emulator instance (I always choose runs manually).

It's odd that no one has a clue why this problem comes up, what causes it or what is going on internally. The only clue I can supply is that DDMS shows a few lines like "Class not found for preloading: libcore.base.CollectionUtils" during the 'Waiting for HOME' pause.