Android Studio doesn't recognize Android Devices on MacOS Sierra - android-studio

I have always been able to get Android Studio to recognize my USB android devices in the past. However, this morning I upgraded to MacOS Sierra. Now, when I plug in an android device android studio doesn't see it. And my phone acts like it is plugged into a wall and not a computer. Usually, when I plug into a computer, I get the an option in the notification/dropdown menu to select a PTP or MTP connection. I am not getting that option.
I'm running Android Studio 2.2.3 and macOS Sierra v10.12 on a Macbook Pro.
I have tried different cables, different android devices, restarting my computer, still no dice.
If I run ./adb devices from the /Library/Android/sdk/platform-tools/ directory then I get nothing but List of devices attached with a blank line underneath.

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Try reinstalling the android studio as it may be corrupted or change the device and see
Hope this works :)
It could be a number of different things that cause that error. Here are some troubleshooting steps to try:
Reboot the phone
Try a different USB cable, or unplug it and re-plug it back in
Use command line tools to relaunch adb if it gets hung up; try adb kill-server then adb start-server and then adb devices
Reset the USB debugging on the device in the settings; disable it and re-enable it
Try changing transfer modes in the USB debugging (i.e. camera PTP)
Close and restart Android Studio
Android studio emulators are still based on Intel Haxm virtualization software. I'm sure updates to AS are coming but for now you need to download a separate emulator to run an AVD (Android Virtual Device). It's pretty easy to download and install.
You can find it here: https://github.com/google/android-emulator-m1-preview

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https://developer.samsung.com/search/searchList.do?pageIndex=1&searchBigCategory=SD&searchSubCategory=&parSearchValue=adb+driver&pageReturnCheck=&pageSize=50&pageOrder=&searchInput=adb+driver

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