updated xcode 6.0.1, can't boot simulator for ios8, it's working for ios7 no problem. tried to uninstall xcode, still no luck. tried to launch simulator, still for ios8 simulator can't boot, but ios7 works. anyone have ideas, Thanks so much.
my os is OS X 10.9.5
I tries just launch simulator, just not able to boot ios8 simulator, I also tries delete everything and added again.
I tried reinstall xcode, still doesn't work, this really drive me crazy, thanks so much
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I have been trying to make my project work with the new Xcode 11. Everything works smoothly, except on several occasions when I run my app on the simulator (iPhone 11 Pro Max), the app freezes after I click on EditTexts. This happens after a few times I have used the app. If I clear the simulator memory and restart everything works normally.
I created a view controller with just the EditText and am able to replicate the simulator freezing. Sometimes it freezes before launching the soft keypad, sometimes after it has been displayed. I am still able to kill the app and rerun it through Xcode but it freezes every time unless I do hardware reset on simulator.
I am just concerned if this would happen on the device too? Has anyone faced this?
Edit: Just to add. When this happens, I try to use the messaging app and the same thing happens there.
Same problem on Xcode 11.0 and simulator with iOS 13/iPhone 11.
For me, the workaround of disable "automatically paste" don't work.
The only way is to restart simulator.
This thread is open on Apple Forum [https://forums.developer.apple.com/thread/122972]
The only fortunate solutions is to restart the simulator.
I had the same problem. Apparently it's a bug on the Simulator. Hopefully it will be solved soon, but until then, you can fix by unchecking the pasteboard option.
Simulator -> Edit -> Automatically Sync Pasteboard.
From this helpful answer here.
This is happening to me as well. This is a bug with the current release of Simulator.
When i click on textfield, app freeze and stop working. This problem still exists on Xcode 11.1 The solution is:
"Hardware -> Restart"
Then running normally. Try this.
Force quit the simulator and restart again works for me.
Same happens even in built-in apps on iOS 13 Simulator in the moment when you about to start typing :facepalm: Initially I thought that happened because I included new framework and had no clues what's going on but then found this :)
Please do not change your code it's not your code issue, its simulator bug.... So try to restart the simulator or stop the application and run again.
It will work fine on your device.
On Mac Catalina with Xcode 11.4 I tried this:
From simulator, toolbar choose I/O then Keyboard then Toggle Software Keyboard
Or
Simply hit Command + K while cursor placed in text Field.
Also have the same problem. When I restarted the simulator after it got stuck it haven't happened again. Seems like it is a simulator bug and not an app issue - https://forums.developer.apple.com/thread/122972
Its happening when pickerView appears as well, unfortunately have to restart simultor again.
If your are working on the iOS Simulator than simpley Restart your simulator & * Kill the Metro *
and run the react-native run-ios again.
Yestarday everything was working fine today come and whenever i try to start application with simulator there is a window saying : Cant boot Simulator.
Sad thing is now that new xcode needs simulators to display it bugs also my storyboards and nibs. tried Xcode 8.0 Simulator broken the accepted answer here still same bug... plz help :)
I'm experiencing a very strange simulator issue with Xcode Version 8.0 (8A218a).
The simulator starts fine when launching in portrait, however if I rotate to landscape it displays weird. Consequently, any Xcode projects that I run also face the same issue.
Any idea how to fix this?
I've tried resetting the simulator contents & settings from the simulator menus, restarting the simulator etc. but to no avail.
EDIT: Restarted Mac, no change :(
This is a known issue with Xcode 8.0. The issue is addressed in Xcode 8.1. You can work around the problem by turning off "Optimize Rendering for Window Scale" from the Debug menu.
Solved by reinstalling Xcode 8.0
I am using Appium version 1.3.6,Xcode 6.2 and iPhone Simulator 8.1 or 8.2.
Now when launching the app,App is getting launched but its not opening so it remains stuck to splash screen only.
Kindly provide me the suggestion to get the solution
Try deleting the app from the simulator then deleting the built file and rebuilding the project.
I have been having this weird problem with Xcode 4.3.2, of course after the recent update.
After successfully building and running on the simulator several times, xcode seems to not be able to connect to the simulator and can't even stop the project; it's like the simulator does not exist. I have tried:
Stopping the project – doesn't work.
Quitting the simulator – doesn't work, xcode still shows it's running on the simulator even when I quit the simulator.
Cleaning the project – doesn't work.
I have to force quit xcode to get it communicate with the simulator. Nothing else works. It gets quite frustrating to do it every half an hour. This only started with 4.3.2.
I always stop before building and running, so it is not an issue of simulator/xcode getting thrashed by me.
Any suggestions?
I have found by chance, it is not a solution by any means -
When xcode hangs, saying it is running the app, but nothing is on simulator, opening the simulator from the dock by clicking on the dock icon (not using command+tab) seems to work.
It is very weird,but it works; atelast till xcode fixes it.
I had the same damn issue on XCode 4.5.1, but I resolved it just now.
When the program is running, it gets compiled but doesn't show anything on the simulator. just click on iOS Simulator icon in dock in order to bring it to front. Click iOS Simulator on top left -> Reset content and settings -> then force quit the iOS Simulator and run the program again. !!
Besides a restart, there is one other way I've managed to get around this:
Let's say your app hangs, go to the targets selector in the top of the Xcode window and change your sim target to a new SDK (or if you don't have another SDK, change it to a universal app and run on the opposite device simulator).
Then, when your app loads on the new device/OS completely, quit the sim, change your targets back, et voilà!
Uninstall application from Simulator and again run. Then it will works fine :)
This has frustrated me for -years- now but stumbled across what appears to get things going again for me:
Hide the simulator (iOS Simulator -> Hide iOS Simulator) or Cmd-H, then reopen the simulator.
The problem seems to happen when something CPU intensive is happening in the background (like a Time Machine backup) on my old 2 core MacBook.
Xcode 4.6.3 update (June 13, 2013) resolves the following issue:
Hang when debugging in iOS Simulator on OS X 10.8.4. 13722320
https://developer.apple.com/library/mac/#releasenotes/DeveloperTools/RN-Xcode/
You can try to update your Xcode to see if that works for you..