0
The emulator will not run because you have set the minimum API version to be larger than the version that will run on the emulator. Put your build.Radle on, please.
Your phone is not showing up there because you have to unlock it when you plug into the computer pro Android Studio recognize or the cable/mobile/input is with some problem.
I think that this help. This question has already been answered in English. Check it!
– Diogo Correia