Xcode 10.1 Simulator suddenly responding very very slowly [duplicate] - ios

This question already has answers here:
All Animation are executing slowly
(3 answers)
Closed 4 years ago.
I have been working on core Animation App (swift), until yesterday Simulator was responding perfectly. All of a sudden every animation in Simulator started showing extremely Slow. It made me very difficult to test my changes on simulator.
- Xcode 10.1
- Simulator iPhone 8 Plus 12.1
Please help to solve this problem

It is because you have activated Slow-Motion—This shortcut should do it:
Command ⌘ + T
Or:

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I wanna show command center in lock screen but it work on real device and not working on simulator.
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We updated today to xCode 9 and our Visual Studio for Xamarin Development.
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using Visual Studio Xamarin Forms.
You need to build against the iOS 11 SDK and have a launch storyboard or your app will run in compatibility mode on iPhone X, like you're seeing.
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Simulator become very slow [duplicate]

This question already has answers here:
iPhone Simulator suddenly started running very slow
(14 answers)
Closed 6 years ago.
I don't know why, the simulator become very slow no matter switch the interface or animate, but type in textField, it is normal, without slow.
Attempt -1
I restart Xcode and Simulator, but there is no effect.
Attemp -2
I clean the project, did not work too.
Attempt -3
I set the simulator's Graphics Quality Override to Low Quality, also do not work.
Check, if Debug->Slow Animations option is enabled

IOS App starts with iPhone 4s layout on greater devices [duplicate]

This question already has answers here:
iOS 9 Xcode 7 - Application appears with black bars on top and bottom
(17 answers)
Closed 7 years ago.
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You must set your launch images. At least set them for iphone 6 and you should solve the issue

Blank text magnifier in iOS 7 [duplicate]

This question already has answers here:
In iOS7 Text Magnifier isn't working app wide
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I'm working on an iOS 6 app that's needs to be compatible with iOS 7. For some strange reason whenever I deploy the app on an iOS 7 device, if I try to magnify text, the magnifier is blank.
Here's a screenshot of the issue
Thanks in advance!
This happens when there are multiple UIWindows in the .xib. At least that was the problem for me. I was using a UIWindow for VGA output. As soon as I deleted the window from the .xib my cursor worked. I then recreated the UIWindow in code.

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