I'm creating an application in android studio but I am um able test it on the virtual emulator because the adb process won't start. It's giving this error.
I tried manually starting adb and all other things but this happens.
I tried reinstalling android studio and platform tools. I downloaded a separate adb and ran "adb start-server"/"kill server".
It just doesn't seem to work. So i constantly have to build the entire thing and generate apk to run it. Please help me guys!!!
Also regarding the virtual emulator i have intel haxm installed if that information was necessary.
It's may be because your emulator adb not allow the android studio to run on it and android studio try to stop and re-run but this process fail.
Me also the same problem. So i always follows this step and it's work for me.
1. Open android studio.
2. Try to run your app without opening your emulator(It will start your adb).
3. Then open your emulator and run your app.
It's working for me. May solve your problem.
adb server didnt ack. This issue will resolve ussually when you kill all instances of adb.exe and restart server again.
Open Task manager and kill all adb instances and start server again.
Try the following:
Close Studio.
End adb.exe process in taskmanager.
Issue kill and
Run adb kill-server
Run adb devices
Then start the emulator and try adb devices again. This should list your emulator-device.
Run you apk in studio.
If your are using Genymotion,try to link your Android Studio 's SDK to Genymotion Android SDK Path.Then try to type with adb devices, I hope this will help for you.
Related
After updating my android studio, I am not capable of anymore running applications on my mobile device because of that error.I need this help.
Your adb connection has hanged out. Open a console terminal and write adb kill-server and adb start-server.
Here's how I solved:
I went toC:\Users\\AppData\Local\Android\Sdk and deleted "platform-tools". Afterwards I installed a new "platform-tools": platform-tools_r27.0.1-windows" (I downloaded it here but you may find in another place http://mirrors.zzu.edu.cn/android/repository/platform-tools_r27.0.1-windows.zip)
That means that the new sdks might not be working for me because I am using "compileSdkVersion 27" in gradle
I previously developed on Eclipse and just migrated to Android Studio.
Everything works fine, it's better and faster.
I work on real device, and Android Studio recognizes it without issue.
But when I disconnect and reconnect my device, it doesn't recognize my device anymore, I have to exit and restart Android Studio.
I can't find a way to "Reset adb" like Eclipse Feature.
Can ADB be restarted from within Android Studio? If so, how?
What I usually do when I get this error is restarting the adb server by typing in the command into Terminal:
adb kill-server
adb start-server
However this can be achieved in Android Studio. Clicking the Monitor button you can launch the same program you have referenced from Eclipse.
If you do not see this you may need to update your Platform Tools from the SDK Manager button.
Apart from the above working answer, the ADB can also be restarted during the restart of Android Studio ( File > Invalidate Cache / Restart > Just Restart ).
ADB is down for a reason, therefore a clean restart of Android Studio is suggested.
that did trick for me thanks. resetting adb on android studio fixed my issue of ADB not responding. If you'd like to retry, then please manually kill "adb.exe" and click 'Restart'. spent 2 days trying look for solution to this
When I run my app from AndroidStudio 0.4.3 using Run I see Choose Device which has two sections choose a running device or Launch Emulator. I don't have a running emulator at the moment so I click the ... to launch AVD manager and start an emulator. At this point I see that under choose a running device the emulator I just launched shows up but its listed as offline.
In the past the offline status went away when the emulator was fully up and running. However, now I've noticed that when the emulator is launched fully, it no longer appears in choose a running device.
I feel like I'm always playing cat and mouse game with android studio picking up the emulator. Is there a better way to do this? Am I missing something?
Disable and then Enable ADB Integration
In Android Studio go to
Menu -> Tools
Android
Enable ADB Integration (should be checked, click to remove check)
Enable ADB Integration (should not be checked, click to add check)
Run your app again. Emulator that was previously missing from Run dialog should be available to be selected upon which to run your app.
Try to kill the adb server and restart it.
Locate your adb binary (linux/osx) or adb.exe (windows) and do:
adb kill-server
adb start-server
this should fix your problem
Even if your problem still not solved then Restart emulator.
Wipe Data and restarting emulator helped me, hope this helps to someone.
inside AVD manager, select your virtual devices, then 1 stop, 2 wipe user data, 3 cold reboot, works for me.
On Windows, running Android Studio with administrator permissions can help (in addition to restarting adb server).
Unchecking the "Enable ADB " worked for me
In Android Studio Arctic Fox (2020.3.1) it helped me to cold boot the device.
add -port 5037 on ../[some_emulator]/emu-launch-params.txt file & try again...
like image
While installing the android application in the emulator I am getting the following error.
Please help me to resolve this error.
Error message:
emulator.exe -avd avd_name
adb wait-for-device
adb install path-to.apk
could not access the package manager. is the system running while installing android application....
You need to wait for the emulator to full start - takes a few minutes. Once it is fully started (UI on the emulator will change), it should work.
You will need to restart the app after the emulator is running and choose the running emulator when prompted.
As other have said, this error occurs because the emulator is still in the process of launching. An attempt to access the package manager, for the device, at this time causes an error.
It's just a simple timing issue. Here are the steps to avoid this error:
Wait until the emulator 'lock screen' is showing.
Run the 'app' again (^R in most IDE's).
Choose the running device (Should be the same emulator).
App should install without error.
In my case it was just that the emulator took 9 minutes to start. Wait until you see the lock icon on the emulator LCD. Or use actual tablet or phone.
Facing Same issues following Link helped solving the problem. The above solutions were not helpful for me.
deployment-failed-could-not-access-the-package-manager-is-the-system-running
By restarting server using CMD application was back to work. Open cmd (Run as administrator), open this
cd C:\Program Files (x86)\Android\android-sdk\platform-tools
(this path must specify your android-sdk installation folder )
Now, first write,
adb kill-server and then adb start-server.
Kill the process/server and restart it.! It worked.
You can avoid the error by setting default device before launching application. Launch the AVD before starting the app.
Once you see this error, wait for emulator to show lock screen. And then relaunch the app in your IDE and check the emulator again. It works for me always.
In Android studio, you can relaunch by clicking the green play button or ctrl + r.
If this error is gotten when using a rooted device's su prompt and not from emulator, disable SELinux first
setenforce 0
You may need to switch to shell user first for some pm operations
su shell
then re-run your pm command.
Same applies to am commands unavailable from su prompt.
The solution for me was to restart the IDE. I suspect that a slow emulator was hiding from view, blocking installation on my device.
Check your project build is in Debug mode not Release, I had some problem for debugging always I forget to change Release mode to Debug (Xamarin Users)
I'm new with android development, and I have problems installing all the recent platform. I'm a java developer that I would like learning android.
I've installed all programs succesfully in windows xp sp3 (JDK 1.6 with environment vars created, eclipse 3.5, 3.6 & 3.7 well configured, Android SDK with all the features, devices, platform-tools, APi's, etc, and ADT Plugin 12 for eclipse with an emulator to API 8 -Target 2.2-), but, when I'm running an android project into eclipse (Run -> Android Application), the eclipse console show me: "The connection to adb is down, and a severe error has ocurred... You must restart adb and eclipse... Ensure that adb is in this path 'D:\Android\android-sdk-windows\platform-tools\adb.exe'" (or something similiar).
I'm very sure that the path is right, adb is correctly running on command-line, and the commands 'adb kill-server' and 'adb start-server' works fine, but doesn't solve my problem (like I've read in other answers).
The emulator, via Eclipse, not working, but if I start the emulator via Eclipse ADV Manager, emulator starts fine, but when I runs the android app, I take the same error.
I suppose that Eclipse can't start adb,but I don't know why.
Other issue, when I executed 'adb devices', console show me an empty list, no 'no devices' message, but when I plugged my HTC, adb is running fine in console, but Eclipse doesn't.
In addition, I also try restarting adb with Eclipse - Devices tab, but the list of devices are empty too.
Anyone can help me, please? I've read so much that my eyes are pixelated. xD
Best regards!!
PD: sorry, but my english is a bit poor ;)
in the DDMS perspective (if it doesn't show, add it by click window>open perspective>other...>DDMS)
then click the triangle of the devices tab > reset adb.
this works for me.
I finally resolved the problem, please see my blog
you can do this steps to solve the problem:
task manager-> process
right click on adb.exe and left click on "properties"
check the path of the process:
-if the path is like "Programs\android-sdk\platform-tools", which means it is the android sdk that is running this process.
-if not, that means there is another process this is running adb.exe, you have to kill the process or service which runs adb.exe.(you can identify the process by the path)
I've had this problem too. The solution I've found is to kill eclipse, open up task manager and kill the adb.exe process. Then when you start eclipse again, that should also kick start adb and it should work from there.
Try the following steps :
- Close Eclipse IDE
- Go to the Android SDK platform-tools directory in Command Prompt
- run adb kill-server
- run adb start-server
- Now start Eclipse again.
Hope this may help you :)
In my case, in Windows7
Close all opened emulators
Go to task manager > processes and then click on adb.exe and press the button 'end process'.
Then go to command prompt go to plate-form tools and type
adb start-server
Then run your application through eclipse.
It worked fine for me.
you try
Open Task Manager > Processes > eclipse.exe > End Process > restart eclipse
In my case the problem was the FIREWALL!.Turn off your windows firewall , Then restart adb and eclipse from task-manager