Help bumpy first run of android studio


I am trying to run a hello world app after installing android studio
it does not work.
I am running studio on a mac 0sx el capitan

The first error was ADB was not responding.
ADB not responding. If you'd like to retry, then please manually kill "adb.exe" and click 'Restart'

how can I kill adb??? I tried searching in the terminal with ps etc but couldnt do it.
In studio I unchecked Tools-> Android ->Enable Adb integration...

Anyway, the error didnt appear but the application failed again (different error)
This time the error is scarier!

Applictio Instalation failed
with message null
uninstall apk?

Now I got rendering problems!

The next error I got is
emulator: The memory needed by this AVD exceeds the max specified in your HAXM configuration.
HAXM is not working and emulator runs in emulation mode
emulator: AVD RAM size = 1536 MB
emulator: HAXM max RAM size = 1024 MB
emulator: You might want to adjust your AVD RAM size and/or HAXM configuration to run in fast virt mode.
emulator: emulator window was out of view and was recentered
emulator: UpdateChecker: skipped version check

Anyway, I have never seen such a convoluted and complicated process to run a simple app that should run smoothly in the first place!
Can anybody show me a clear way-error free to run this??

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