Use Xcode 8 with iOS 11

Use Xcode 8 with iOS 11

Check this out: As of now this is only for Debugging on iOS device not Simulator

1. Download the SDK from Apple
2. Copy this iOS 11.0 image file to: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/
3. Restart Xcode.

How to run XCode 8 project on IOS 11

Xcode 8 can't run with iOS 11 (only Xcode 9+).

But wait! There's a way; build an IPA and install it manually with iTunes to the device with iOS 11. But you won't have debug.

Application works on iphone 11 but not for iphone 8

1 Method :
if you want to use dark mode then you can change the colours as aspected in the dark mode like this

 if #available(iOS 12.0, *)
    {
        if self.traitCollection.userInterfaceStyle == .dark
        {
            self.view.backgroundColor = .white
        }
        else
        {
            self.view.backgroundColor = .black
        }
    }
    else
    {
        self.view.backgroundColor = .black
    }

2. Method : If you want your colours as aspected in the light mode. Then you must add below line in the info.plist file

<key>UIUserInterfaceStyle</key>
<string>Light</string>

Using iOS8 and later devices with Xcode

Up to iOS 12.1 is available

You can download DeveloperDiskImage.dmg here or here

Steps:

1.Download Zip file and extract.

2.Click on "Finder" in MAC OS

3.Click on "Go to Folder"

4.Paste /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport . Otherwise go to Applications > Right Click on Xcode > Show Package Contents and follow the directories above.

5.Reboot Device + Xcode + Mac

Create a iPad Simulator with iOS version 11.3.1

Unfortunately, there was no iOS 11.3.1 simulator released. iOS 11.3.1 was a device-only update. I would expect any issues related to iOS 11.3.1 to also appear with either iOS 11.3 or iOS 11.4, so those should be sufficient.

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