Error while waiting for device Time out after 300seconds waiting for emulator to come online

Question

I have been trying to use android studio 2 0 emulator but I can not run my App on the Emulator  When I Run my App it shows the emulator with following details   Hax is Enabled    Hax ram size 0x800000000  HAx is working and emulator runs in fast virt mode   console on port 5554   ADB on port 5555   After that it takes to next TAB Launching app and shows Waiting for the device to Come online After that it shows error  Error while waiting for device  Time out after 300seconds waiting for emulator to come online    What I have tried so far     Installed fresh android studio 2 0 with all update to date SDK Tired to increase Emulator Memory  Installed android studio 2 1 Beta with latest SDK Discussed this issue on Google    Anyone know any solution   Thanks in advance   Edit  I haven t found any solution yet  I opened new issue on 4th may 2016 because it is known bug in previous versions  Please report on the following link if you have same issue   https   code google com p android issues detail id 209095

User · Answer

Also something that can go wrong  Make sure you exit Docker for Mac  possibly all other kind of docker installations as well

User · Answer

Usually  deleting the current emulator that doesn t work anymore and creating it again will solve the issue  I ve had it 5 minutes ago and that s how I solved it

User · Answer

You could try     run the emulator from the console manually and see whether adb can connect  see   it from android studio  Does it run at all  delete avd   recreate a new one for testing  always a good idea in 2 0  lot s of stuff is changing   instant run etc   what does adb say from console   adb kill-server   adb start-server  start an emulator  then adb devices does it list your emulator

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Sadly none of the solutions worked for me  I solved my problem by uninstalling existing APK from my phone and it all started working perfectly   This started happening after I ve updated android studio to latest version

User · Answer

Restarting ADB server works for me  but no need to go for it from command line  Ctrl   Maj   A - gt  Troubleshoot Device Connections - gt  Next - gt  Next - gt  Restart ADB Server

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try to change this solved my issue  you  may other graphics options  and change to a lower resolution model

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My problem went away after I shutdowned VirtualBox on my machine   One thing I know is that Linux KVM can t get along with VirtualBox well

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I had the same problem  I m using Android Studio 2 3 and Debian 9 1 Stretch 64 bits   In my case  the problem was in default settings established in graphics aceleration configuration  To solve the problem I opened the AVD Manager  then I selected the device and I opened config file  config ini  selecting  Show on disk  option whitin  Actions  column  Within the file  I changed the value setted in hw gpu mode variable from mesa to swiftshader  After saved the changes  the emulator started without any problems  More options availables could be found on this link

User · Answer

Go to Android Studio Command Line  and follow these steps       gt  cd  Users your root name  android avd    gt  ls     gt  rm -r Nexus 5X Edited API 17 avd There are two avd files    Rerun the app

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Android API Version for application and device should match  Check if minSdkVersion and targetSdkVersion in Gradle Scripts - build gradle  Module  app  correspond device API    Also low versions  e g  API 15  result in ide-emulator link failure  inspite of applicatrion and device versions match

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The solution for me was setting the Graphics option on the Android Virtual Device to Software instead of Automatic or Hardware   I believe this was the solution because I am working on a windows machine that did not have a dedicated graphics card

User · Answer

I found a workaround even though I am not sure why this is happening   Go to Menu- gt Tools- gt Android and uncheck the option Enable ADB Integration Run the application  Now the emulator will be launched  but app will not run  Once the emulator is fully launched  check the Enable ADB Integration option and re-run the app  Now the app will be launched in the already running emulator

User · Answer

I experienced a similar issue with android studio 2 2   Re-installing a new system image didnt resolve for me  Then found this solution on this link   unchecking the Enable ADB Integration option and checking it back seem to resolve it for me  I hope this helps someone out there

User · Answer

You might have forwarding enabled on adb  You can try this  Quit Android studio and launch terminal  Run these commands   adb kill-server adb forward --remove-all adb start-server    Now you can launch Android Studio and try again

User · Answer

I had the same problem  I removed virtual device and run app on my phone - worked well  To remove virtual device  Click icon  AVD Manager  in Android Studio  select virtual device and in context menu click  Delete   Then turn on on the phone  Developer mode   Connect phone via USB to the laptop

User · Answer

Upgrade to the latest SDK  for the android emulator    use 512MB RAM 256MB heap   You can leave the default disk space

User · Answer

I ve face this problem  i fixed it by deleting the emulator then created a new one with higher API level  In my case I ve created API-30

User · Answer

I have faced the same issue you have mentioned and could solve it by just deleting the current avd and creating a new one It s working perfectly well now

User · Answer

This error is gone for me by remove the AVD and create a new one   after some compile and clean  the error was gone away

User · Answer

These are the steps I took  I m on Linux     Switched to Software rendering  works but is too slow  Tried running on commanline and an error displayed  Forced emulator to use the system graphic drivers    First  as  jlars62 suggested  I tried using Switching the Graphics to  Software  and this DID work  However  the performance is far to slow so I dug a little deeper   Then I tried running the device from the console  as  CaptainCrunch suggestion   My device was created in Android Studio  emulator  in the Sdk may be in a different place on your system       Android Sdk emulator emulator -avd Nexus 6 Edited 768Mb API 23   For me this produced the following error    libGL error  unable to load driver  i965 dri so  libGL error  driver pointer missing libGL error  failed to load driver  i965         Which I tracked down  on ArchLinux  to mean it s using the wrong graphic drivers  Android Sdk comes with it s own   You can force the system ones on the commandline with -use-system-libs       Android Sdk emulator emulator -avd Nexus 6 Edited 768Mb API 23 -use-system-libs   To force Android Studio to do this you can intercept the call to  emulator  like so  See Mike42       cd   Android Sdk tools    mv emulator emulator 0   touch emulator   chmod  x emulator   In the new emulator file add this      bin sh set -ex  0 0    -use-system-libs

[android-studio] Error while waiting for device: Time out after 300seconds waiting for emulator to come online

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