Have problems selecting the GC controller adapter

[MalusAALR]

When I connect my GC for NS / WiiU / PC in dolphin emulator Android app appears a message to bring permission to connect an I selected Accept / Confirm show a load image and the app closed immediately 

[JosJuice]

I can't reproduce this problem. Do you have access to a PC? If so, if you could get a crash log using the "logcat" tool, it would help a lot with figuring out what's going on.