Flutter: XCode error "Unable to boot the Simulator" - xcode

Iam running the latest OSX/Flutter/XCode Versions using flutter, android studio and firebase and 1 hour ago everthing works perfectly.
Then i rebooted my macbook and when i try to launch an ios simulator i get this error "Unable to boot the simulator".
The following steps shows no solution:
Reinstall the ios simulator
Flutter clean and pub get
Updating comand line tools 13.3.1 (13E500a)
Run invalid cache of android studio
I found the problem also on stackoverflow but all sugestions does not working.
Any ideas?
Let me know if you need more information!
Thank you

NO NEED TO UNINSTALL XCODE! Though I know the contributor already has solved the issue, I'm happy if this answer will help someone else.
Go to [About this Mac > Storage > Manage > Developer]
Delete all the content (no worries!)

You can delete xcode cache and it will work,
by going to
About this Mac > Storage > Manage > Developer or any folder you choosed for development when installing xcode and flutter then Delete XCode Cache.

Step 1:
Go to About this Mac
Step 2:
Go to Storage
Step 3:
Delete all the content Or Delete XCode Cache

You can just clean your Xcode Caches, and that will do the trick,
About this Mac
Storage
Developer
XCode Caches

For me it was not necessary to delete XCode. I could solve it with this:
1: Click on "About this Mac" in the top left corner
2: Click on "Storage"-Tab
3: Click on "Manage"-Button
4: Click on "Developer"-Tab
5: Right click on all the data and "Delete"

For Mac Ventura 13.0 OS and higher -> Click apple logo on top left of your Mac
System Settings > search Storage > Developer
Then delete Xcode Caches

Product-> Clean Build Folder works for me!

After checking some other comments, it seems uninstalling XCode is not necessary.
The issue is not directly related to Flutter but it is related to the XCode 13.3.1 with the Simulator, specially for iPhone and iPad (tvOS and watchOS should have no issue so far).
Somehow the existing files during the security update causes the simulator to get corrupted.
As temporary workaround, you can try the following steps:
Uninstall XCode by moving from Applications folder to the Trash
Empty the Trash
Open the Mac Storage Management and go to the Developer in the sidebar
Delete everything from the Developer Section
Download Xcode 13.1 from Apple Developers and not the stable release from App Store
Extract the downloaded Xcode_13.1.xip file, i actually recommend via terminal by using xip -x Xcode_13.3.1.xip, and take in mind the extraction uses 100GB and it takes up to 2 hours to complete. You are going to have this message at the beggining xip: signing certificate was "Software Update" (validation not attempted), but you can ignore since this is expected.
Finally, move the extracted XCode file to the Applications folder
Run sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
Run sudo xcodebuild -runFirstLaunch

Related

Xcode tries to update itself again and again

I have a desktop Mac computer and I want to update my Xcode version:
So after click update button the system start to download the update (6GB) and when its finish i see the same window again instead of start the upgrade.
I try to restart the system, download the update again and this button is still show that i need to download the update.
Why my update did not start ?
Maybe the update file is still on my system and i can start the update manually ?
I had this problem with Xcode 10.2. This happens because the update wasn't successfully downloaded and you still have Xcode traces on your disk. I solved this by removing these files:
/Applications/Xcode.app
~/Library/Caches/com.apple.dt.Xcode
~/Library/Developer
~/Library/MobileDevice
~/Library/Preferences/com.apple.dt.Xcode.plist
/Library/Preferences/com.apple.dt.Xcode.plist
/System/Library/Receipts/com.apple.pkg.XcodeExtensionSupport.bom
/System/Library/Receipts/com.apple.pkg.XcodeExtensionSupport.plist
/System/Library/Receipts/com.apple.pkg.XcodeSystemResources.bom
/System/Library/Receipts/com.apple.pkg.XcodeSystemResources.plist
If you can't update Xcode from the Appstore app, then you should consider downloading the latest Xcode xip file from Apple's developer program site

Xcode 9 "no iTunes Connect account" error when uploading

With a certain project in Xcode 9 beta 6 when I try to Upload to the App Store I get:
I am the "Admin" role for this account.
All contracts are up-to-date
I tried removing/re-adding my account from Xcode prefs several times
Submitting for the same project from Xcode 8 works (however I need to upload from Xcode 9 for this project because it links against iOS 11 beta)
Another developer on the team is seeing the same thing so this seems like it might be common. Anyone find a workaround?
I encountered the same issue with xCode 9 GM build and others reported it as well in xCode 10 and xCode 11. Deleting the derived data actually solved it for me. Hopefully it will help others as well.
Close xCode
rm -fr ~/Library/Developer/Xcode/DerivedData/
Reopen xCode and try to upload again
This seems to be issue with Xcode 9. Solution is to use Application Loader tool.
Step 1 : Create an IPA file
Clean your project from Product -> Clean (cmd + shift + k )
Select Product -> Archive
Once archive is successfully completed it will open in Organizer window
Press Export button present on right side
Now select the distribution method as per your need and click on Next button
This will show the App Store distribution options. Now click on Next button
Re-sign your project (preferred is Automatically manage signing) and click on Next button
There will be Review window containing IPA content details. Click on Export.
Now choose the location where folder is to be saved and Click on Export.
This will create an folder containing IPA, packaging.log, DistributionSummary.plist and ExportOptions.plist file
Step 2 : Upload IPA using Application Loader
Right click on Xcode tool present on Slide-bar. Goto Open Developer Tool -> Application Loader
This opens Application Loader. Press on Choose button and select IPA file.
This will analyse IPA file and will show IPA details. You can press on Activity button to see list of activity performed while uploading app. Click on Next.
This will create iTunes Connect API analysis file.
Once it is successfully uploaded it will show Success. Now click on Next.
You IPA file is submitted to AppStore successfully
The only solution I have found for now, is to generate IPA for AppStore and then upload it with Application Loader.
I just had this happen to me and this was my solution.
Full Quit out of xCode 9
Reopen xCode
Update to a new version number
Archive again
Result: It worked
It's a pretty basic fix, but hopefully it will for you too.
None of the mentioned answers helped me. Below I am mentioning what all I have tried to solve the issue but didn't work.
i) Check provisioning profile & Certificate combination.
ii) Clean
iii) Quit Xcode
iv) Delete derived data
v) Restart Xcode
What worked for me is
i) Open Xcode preferences
ii) Check iTunes account you are using. If it is already logged in, remove it.
iii) Login the iTunes account again
iv) Xcode will start process automatically once it gets access now.
v) Select the provisioning profile that you are using again while Xcode asks for it in the popup.
vi) Xcode will proceed upload process.
This worked for me. Hope it will save some of your's time as well.
I just had a call with Apple developer customer support. They said its a known issue and the team is actively working on it. But there is no timeline insight.
Following solution that worked for me.
Use Xcode 8 until Apple engineers fix this issue:
The solution may work even if you don't downgrade to Xcode 8
Steps for Downgrading form Xcode 9 to Xcode 8
1. Download Xcode 8 from:
https://developer.apple.com/download/more/
2. Install Xcode 8.
3. Create an ipa build
In Xcode go to
Menu -> Product -> Archive -> Export
4. Use the Application Loader to upload your ipa to iTunes connect
Application Loader can be found at:
In Xcode go to
Xcode -> Open Developer Tools -> Application Loader
Let me know if it helped
The same case happened to me.
Also when I tried to get crash reports, it shows that my session has expired.
I have just restarted my Xcode and it worked.
In My case none of the above solutions worked,
I have an access for both Developer account and iTunes Connect account, but I faced the same Issue.
The only option worked for me is updating my MAC OS before it was 10.13.4, after update to 10.13.6 the problem was resolved. Hope this will help to someone.
I've managed to get it working by creating a new user in iTunes Connect, with just the "Developer" role.
For me, that also required to creating a new Apple ID.
I then added that new user in Xcode:
Now it seems to work.
What works for me is to
remove the apple ID from the accounts known to XCode
to add the account again (do not import the account again)
See On Xcode 7 I keep receiving error "No accounts with iTunes connect access"
Edit: This worked for me in Xcode 9 GM. I don't know if it will be an issue in the final version
What worked for me is that I changed my regular AppleID email, with the equivalent #icloud.com alias.
For example, I didn't use myemail#gmail.com, I used myemail#icloud.com and it worked.
(Which I really don't prefer, I prefer using my personal email, but if it works, it works)
I could not use application loader because my password is not accepted. Even after changing my Apple ID password it was not accepted.
Restarting XCODE solved the upload problem this time. But it is a repetitive problem.
Apple is becoming a nightmare... XCode and iTunesConnect always have been...
I just removed and re-added my developer account for the Xcode 9. To remove account goto preferences -> select your account -> hit the minus icon(-). To add your account just click on the + icon next to it.
Restarting the laptop fixed this. Didn't try restarting XCode itself, just rebooted the whole laptop.
I also encountered with the same problem. But after I updated the Xcode to the current latest version of Xcode 9.2 solved my problem. I took the update on 2017-12-21.
For me remove derived data, clean project and try again working fine.
Please follow below steps:
Quit XCode
rm -fr ~/Library/Developer/Xcode/DerivedData/
Reopen XCode and try to upload again
Hope it will help!
Closed Xcode and reopened it. This worked for me. This was also the most popular answer on the apple forum. Do this first.
Your xCode must be open for longer time.
Quit the xCode and Reopen. It will work.
Got the same issue fixed with below steps.
Just do Quit XCode completely even dock too then wait for few seconds and Reopen the Xcode then proceed to Archive again freshly.
then believe problem solve :).
All the best.
Solution that worked for me in Xcode 9.1
Go to Preferences.
Go to Accounts tab.
Select the desired account.
If there is a login expired error displayed, login again.
Make sure the error has gone away.
Restart Xcode.
Try to upload the archive again.
Here's what worked for me (after trying many times of signing-out and signing-in):
Sign out your Apple ID (by going to Preferences with Cmd+,)
Sign in with your Apple ID, and make sure you sign in with ***#icloud.com
Somehow it all started working for me...
Posting it here in case it's helpful to anyone else. Have no clue how this solved the problem (and how the problem emerged in the first place).
Actually, it's apple server error. So, wait for some time and then upload. It'll work.
In my case this is the problem of firewall when I connected to other network it's working.
For me it helped to close Xcode and reopen it again, it was that simple ;)

Message from debugger: unable to attach error for osx app

I have been building mac app on my mac mini and it always worked well but today i faced this error, searched a lot but no luck.
Message from debugger: unable to attach
What i tried:
Clear derived data
Quit Xcode
Restart machine
installation directory set to blank and also to /Applications
Tried Skip Install No / Yes
Using developer Signing certs
M using only Developer certificates and not provisioning profile to sign my cocoa app
Xcode 8.2
OSX 10.12.1
Please help :)
This is what fixed it for me, perhaps it will help others but I do realize the question was for 8.2. I had it set to Xcode 9 "New Build System" disabling this and switching to "Standard Build System" in the Project Settings under the File Menu. I had tried all the other things like killing DerivedData, clean build, restarting Xcode. I also verified that my dependent libraries were set correctly. The only thing that worked was disabling new "New Build System"
I just had this problem today. I have little demo code in a mac project(created with Xcode 9.4). This error just started to occur after I upgraded system to macOS Mojave 10.14. However, in Xcode 10 this project runs no problem(without changing anything). If you can use Xcode 10 it will probably be fixed.
Unfortunately, the above solutions didn't work for me (although I am sure they work for some people).
Here is what worked for me, in case this helps anyone else:
Close Xcode
Open Xcode and Create a new Xcode project
In the iOS template, select Single View App then click Next
yes, I know you are trying to get a macOS app attaching to the debugger :).
Give the iOS app any product name and organization identifier you would like and click Next
Create the new project anywhere you would like (I saved it to my desktop)
Build and run (cmd + r) the iOS app on a simulator like the iPhone 8 (starting a simulator and running the iOS app will take a little time, so have patients)
After the iOS app runs in the simulator, click to stop it from running (the stop button is next to the run button)
Open your macOS app that you are having trouble connecting a debugger to, and build and run it (cmd + r)
This, for some reason, allowed me to connect to the debugger with my macOS app...
Xcode version: 10.1, macOS Mojave version: 10.14.2

i can't update Xcode

I have a macbook air and I went to the store to install Xcode 7.3 and hit the update App button, and a loading icon appeared but after waiting 30 min time nothing happened. I successfully installed simple recorder from the store but I can't install Xcode.
What can i do?
What are the options to download it?
Try restarting your computer to see if Xcode has installed. This will also refresh the app store, so try downloading it again.
If all else fails:
You should uninstall all current versions of Xcode on your Mac. Do this by dragging each application to the Trash can. Delete your trash.
After, try downloading Xcode again and everything should go through.
You aren't aloud to download old versions of Xcode from the App Store.
I suggest you to download the new XCode 8. It works just fine, even if your update button doesn't seem to work. Need to use the App Store. Also, if you happen to be a React Native developer, you may want to follow this article just after having installed this new XCode version.
If you simply cannot install the latest version, I suggest going to www.developer.apple.com and click the Develop Tab, Xcode, Download, sign in with your apple id, and get an Xcode beta version.
www.developer.apple.com -> Login -> Account -> Downloads
If only spinner is showing, without progress. Open Activity monitor and check if installd is running and using a lot of memory. Try killing that process and update again.

Xcode 5 simulator cannot be installed, does not show up in xcode

In Xcode 5, i have a problem with installing simulators. They don`t show up in the downloads section of preferences for Xcode. And the 6.1 simulator cannot be run when it says its installed. Only shows up with a question mark besides it. When i click check and install, it says nothing new found. How to fix this?
When i try to run an app, no simulators show as installed:
It shows you installed all the simulators.
Just Quit the Xcode and open again. It wil show you a window same as below.
Also please cross check that, the downlaoded SDK's are available under Application->Xcode.app->right-click->Show Package Contents
->Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs
Also cross check the Base SDK and Target devices.

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