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I am using Expo XDE version 16.0.0 and I would like to test my app in the Android emulator. I am on a mac. I have installed Genymotion and have started the emulator as the expo.io (https://docs.expo.io/versions/v16.0.0/guides/genymotion.html) docs describes but I get the following error. I have no idea of what it means or how to fix it.

Couldn't start project on Android: could not install smartsocket. listener: Address already in use ADB server didn't ACK * failed to start daemon * error: cannot connect to daemon

I hope someone can help me on this one?

Vayu Robins
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3 Answers3

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In my case the solution was this on an Ubuntu 17.04

sudo apt remove android-tools-adb
adb kill-server
adb start-server

it's possible you have adb and android-tools-adb installed

Santiago Molina Orozco
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After having spent a day figuring it out, I decided to go with using the Android emulation within genymotion. This is for Ubuntu (16.04).

  • Download Android Studio & go into Tools > Android > AVD Manager.

  • Download the SDK for whichever device & Android version you are going to use.

  • Once downloaded, test the emulator is functional by clicking on the green play icon under 'actions' (far right in Virtual Devices screen).
  • Open genymotion, settings > ADB > 'use custom Android SDK tools'. Select folder /*/Android/Sdk (wherever Android sdk is installed)
  • Test by clicking on 'Start' in main genymotion screen. Open Expo XDE, load up the project & 'ctrl+d' to load on android device. It will start the installation of expo app.
Kayote
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vividresponse here worked for me even on linux (he made it on OSX and I see it works for windows too).

Basically, you must check the versions of adb. Like: adb version

And (using you real path) /opt/android-sdk/platform-tools/adb version

If they differ, replace /usr/bin/adb (first one) with the second one.

Other important things are that you must set the correct genymotion SDK. And make sure sdk & sdk tools must be present in the PATH variable.

mayid
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