My Xcode ios Simulator lost the user interaction completely. Even the hardware buttons like Lock button, volume button itself not working. My app is open in simulator but i dont interact with it. I have tried a lot of solutions even i removed the Xcode & Simulators completely. But it doesn't work. Please help already i wasted a week for this week.
You can not access some component in simulator . Please try to access with real device. Also run the project into a real device for the solutions.
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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.
I am currently building an iOS objective c application and am working on the splash screen now but am running into display issues when running on a device.
This is how the layout is set up in my storyboard:
This is how the screen looks in a simulator, the correct version:
And this is how it looks on a device, the incorrect version:
Has anyone ever run into this problem and if so, how did you fix it? I'd be happy to provide any code if needed but i'm not sure what to include that would help solve the problem.
I have experienced this problem, too simple, this is an iOS BUG that can appear when you build directly from XCode, there's no specific solution, try restarting the iOS Device, I have never seen it when downloading the app from apple store after publishing, so simply ignore it, people who will download the app from apple store will not see this.
So I'm working through the BNR iOS objective c book, and I want to run a project on the iPad simulator. according to the book, I change the deployment device in the general settings for the project target as "universal," which I did.
However when I run and switch to any iPad on the simulator I get drawn back to the main method of my project. The iPad does appear after a delay, but without the app I built. I've set all the views in my xibs to "inferred" but I still can't run my project on iPad.
Any help would be appreciated, thanks.
This is probably because the app is crashing. it's possible if you created the app without setting it to universal it is missing a storyboard for iPad which would cause a crash and take you to that area. You should look at the console logs and see what is happening. There should be good information in there as to what is missing or why it's crashing right away.
When I run the iPhone simulator, sometimes it doesn't move past the opening screen, and sometimes it does.
What I am calling the opening screen is the screen which has the app tittle on it.
I have tried closing and re-opening it. But it doesn't seem to solve the problem, as it still comes back.
I am using the new Xcode beta but this problem also happens to me often in Xcode 6.
The simulator in my opinion is a little buggy to me. This seems to happen to me a lot the first time I run the simulator. After that it seems a little more stable.
This happens to me too sometimes. Simply stop and directly press the "Run" button again.
You can also try to change the Device or uninstall your app on the selected device.
Also try to close the Simulator and open it again and try to run your app after that
My answer is you cannot make sure about that, since it is just a simulator.
This happen to me to when i use xcode6 sometimes, but when i use xcode 5.1.1 it is working perfectly.
I think xcode6 do not stop the current running app before running the other instead it just override the current "same" running app. here is my theory as i observe it.
Assuming simulator is running.
in XCode 5.1.1:
Stops the currently running app > Compile > Run
but in XCode 6:
Compile > Override the same running app
But you dont want to worry about that so much, as long as it doesn't appear in actual device it is all good.
I recently began going through the official Apple documentation and tutorials to learn iPhone development. I got my Iphone 5s a couple of days ago, but the sample ToDo list app that I'm making causes the device to lock up randomly when I try to test on the device. For example, I if I make a chance to the code and build/run it on the device, it will work. However, as I keep updating the code and testing it, eventually it will just open up my app on the device as a complete black screen, and freezes. The home button then no longer works, no touch events work, the only think I can do is to hold Home+lock button until the device shuts down.
This cannot be normal, can it? I mean, its just a basic app, what could be causing it?
Attached is the error that shows in xcode, and also a screenshot of the Iphone when it its frozen. Surprisingly, I was able to use the screenshot functionality on the phone... :/
Please check whether you are using a distribution provisioning profile/certificate to sign the app. If you plan to debug the app on the device (use breakpoints etc.), you should sign it with a development provisioning profile.
It only happens sometimes, so it's not provisioning related.
It causes a message to popup in XCode itself, so it's not code related.
I had the same problems before (not that often really...). What I did was
Restart the device
Remove the app from the device
Clear the project builds (CMD SHIFT K)
Restart XCode.
Build & Run again
I actually haven't seen this for a while. I always thought that they fixed the bug. Hope this helps!