iOS app constrained to dimensions of 4S screen - ios

I'm working on a React Native app and for some reason it started only rendering in iPhone 4S dimensions. The issue started happening when I upgraded a bunch of packages and messed with the Info.plist, project.pbxproj, and *.xcscheme a bit (too much it seems).
Here's a screenshot on an iPhone 6:
When I run it on a 4S it looks normal.
Any ideas?

As someone mentioned this happens when Launch Screen File is empty. Verify in XCode under the 'General' section that Launch Screen File is not empty:

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UI change in app after xCode 9 iOS 11

I found my app changed UI after I updated xCode to 9.
See the image with post, Fonts look bigger, views look bigger, images lost crispness.
I'm facing this issue in iPhone 6 and later these issue, iPhone SE and and 5S looks fine the same.
Did anyone face this issue??
I got issue resolved.
We had started app with iOS 7, since then we have been using launch images set. we had never used Launch screen xib or storyboard....after adding launch screen xib everything's working fine now :)

Xcode 8.1 iPad simulator draws screen twice

I'm trying to bring my App current to iOS 10.1, using Xcode 8.1. My App is targeted to both iPhone and iPad. All the simulators for the iPhones work o.k. However all the iPad simulators draw a screen that is bad, and after a second, the good screen appears.
The bad screen looks like:
After about a second the actual screen appears. It looks like:
This did not happen in earlier versions of Xcode, and I sure would appreciate some suggestions on why Xcode 8.1 is doing this.
Charles
The problem is that you are still using a launch screen image file. Those no longer work. The initial screen nowadays is your LaunchScreen.xib or LaunchScreen.storyboard. You need to have one and configure it so that it matches your actual initial interface.

Sencha Touch Cordova app gives blank white screen on iPad

I have a sencha touch cordova app which works perfectly fine on Iphones, to get it past the apple review I need to make it work on iPads too. I do not intend to support iPad users at this point of time so have kept the Devices as iPhone only in the settings. I expect the app to open in iPhone resolution on the iPad and works similar to the iphone - but it doesn't, when i install and run it on the iPad, all I get is a blank white screen and nothing happens further. On the xcode console I get this :
WARNING: The splashscreen image named LaunchImage-700 was not found
which is the only difference between the logs of the iphone and the ipad.
I believe it isn't getting the launch image for the iPad but I have no clue where or how to include this image.
Would be great if someone can point how to solve this issue and make my app work on an ipad.
I had this error after updating xcode. They got really picky about what splash screen sizes you can use.
I use this plugin on npm cordova-splash. This builds all different sizes of splash screens and my xcode automatically picked them up.
Usage is really simple just make sure you have a splash.png file in the root folder of your cordova project and run cordova-splash

iOS Splash Screen not showing up on device - strange issue

I am making a test sprite kit game, and when I run it on the device, the splash screen doesn't show up although it does work on the simulator.
Here are some screenshots:
Normally I set the target to iOS 7.1 and later, so I use a .xib file and LaunchImage file in xcassets.
I have put 2 correctly sized splash screens in the iPhone portrait iOS 7&8 section, and have selected "Portrait" under iOS 7 and later. The link from the settings file is definitely going to the correct file.
When I run it on the simulator (presumably all devices are iOS 8), the .xib file is used and it displays that splash screen.
When I run it on my iPhone 4, it displays a black screen. In my other apps, it would choose the image from xcassets and display it, but this is not the case.
Does anyone know how I could solve this problem?
Edit
Basically, I have put 4 images into xcassets for a splash screen. I have selected iPhone portrait for iOS 7 and iOS 8.
In the settings pane I deleted the launch screen file reference, so the only reference is to the xcassets launch image (It points to the correct place). I have also deleted the LaunchScreen.xib file.
But when I run the app on the device and the simulator, no splash screen shows up.
I faced similar issue and fixed by Restarting the Mac and iPhone
Uninstalling the app from Simulator/ iPhone helped to fix this issue.
I was having the same problem, and I finally figured out a solution. I want my launch screen to show up on ALL devices capable of running iOS 7 or later, when running my landscape-only Sprite Kit game. Most devices that run iOS 7 can be upgraded to iOS 8 or greater, except for the iPhone 4 (which is stuck with iOS 7.1), and the launch screen wasn't appearing on my iPhone 4 test device. Then I stumbled across Apple Tech Note TN2244. As described in the Tech Note, once you edit the info.plist to enable landscape orientation for iOS 7.0+ iPhone launch images, the correct launch image will appear. As a side note, if you disable the launch image asset catalogs as suggested, the XCode Swift compiler gives you warning messages -- but you don't really need to disable launch image asset catalogs, and if you configure them properly the warnings will disappear and landscape launch images will now work just fine on all devices, including iPhone 4.
Your app's launch image is displayed as soon as your launch your app. Hence the name. It is removed when the appDelegate appDidFinishLaunching: method runs. If you are app has very little to load, your image might get displayed and removed before you have time to see it.
If you want to manually set a longer display time for your launch image, you can add this code to the appDidFinishLaunching: in the appDelegate.m file:
sleep(4);
4 being the number of seconds.

iOS Simulator displaying white screen (only in simulator, screen shot shows UI)

After researching previous topics on this issue, I can't seem to find an answer for my problem.
Xcode Version Version 6.1.1 (6A2008a), OS X Yosemite Version 10.10.2 (14C109)
I just finished creating my first simple application in Xcode using the Single View App template, but cannot get the iOS simulator to get past a blank white screen, no matter how long I wait.
Here's a screen shot of my main.storyboard UI/Assistant editor:
It will however sometimes display the copyright information.
Here's what I've tried already:
Made sure my Main Interface was set to Main (main.storyboard)
Waited for an hour+ for iOS simulator to load and it never did
Tried Reset Content and Settings in the iOS simulator and then tried simulator again
Tried different devices besides iPhone 6 as target devices to simulate and I was able to get the iPhone 5s simulator to display the button, but only the button.
Uninstalled Xcode by moving to the bin, emptied trash, reinstalled from App Store
Now it gets even more strange, If I run the simulator using iPhone 6 as my target device and take a screen shot of my simulation, every object appears normally in the screen shot but NOT in the simulator (still just a blank white screen). Here's that screen shot:
Any help will be greatly appreciated.

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