implementing Facebook login onto Xcode - ios

I'm really new to programming started the end of December.
I'm have a problem trying to implementing Facebook login onto Xcode. I've tried using the Facebook method but i came across a problem because was written 'object C', i came across a youtube turoiral but turns out its old, i came across another tutorial that lend me down a path using 'Cocoapods'.ive looked through a number of questions on here and took what i understand and still to no avail, so far the only thing I've managed to correct every time is download the relevant SDKs and put the right info onto the info.plist.
can someone please point me in the right direction as to how write the code from the App delegates point because thats where i seem to just crash n burn.
your help would be much appreciated.
free strength and conditioning advice is the only thing i have to offer in return at this moment in time because I'm new to using programming.

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Settings in iPhone errors

So silly question here but if someone would humor me and lend any advice I would appreciate it SO much. I’ve had some issues since I’ve created my apple account, but one thing I keep noticing specifically that confuses me (my Apple ID once said it can not be changed, now it allows me the option to change my Apple ID and phone/email everything)
I wouldn’t be so concerned with this, but I’ve had reasons for safety/security concerns and then I noticed this. I see many “null” type messages in my data when I view it directly from my device as well. I’m not tech savvy at all so this is all beyond me. Forgive me please if I’m not posting this correctly. I receive error messages from apple when trying to download my data even. I’ve updated and reset my phone before but it doesn’t help. I want to just know this is user error on my end but I’m not finding information to confirm that anywhere I try to look. Thank you so much for anyone who might be able to point me in the right direction.

how to call Square App on IOS using their code?

Sorry but newbie is here. And, I may have not googled hard enough but as I went on searching no one has asked this newbie question yet. I'm really confused how to call Square App.
In this document: https://docs.connect.squareup.com/payments/pos/setup-web#step-1-install-the-square-point-of-sale-app
At the part that say "Initiate a mobile web transaction: iOS"
They tell me to put this line below in a URL format
square-commerce-v1://payment/create?data={REPLACE ME}
But do not say where and what is REPLACE ME suppose to be.
Can some one kindly enough to help me understand this please?

First Person Map View in iOS

I am currently developing an iOS app using Objective-C and I came across with a requirement from my client that I am unsure and unaware if it can be made.
The app that I am working with is Map based using the geolocalization of the user at all times. To do so, as I am sure you all know, I am using the MapKit.framework that Apple gives us pre-built.
My doubt came when my client asked me if it’s possible to use the First Person Maps View instead of the traditional 2D Map. To make my question clear to you, what I was exactly asked if there is any chance to use the same view of the GPS navigation in the app (See picture below). Is there any way to do so? If so, could you give me some guides to achive that?
Any help would be appreciate it!
After some hours of research I've found a way to do so. The key property is initialized trough:
MKMapCamera *mapCamera = [MKMapCamera cameraLookingAtCenterCoordinate:ground fromEyeCoordinate:eye eyeAltitude:50];
Take a look at this tutorial if you are need of an explanation step by step:
http://nscookbook.com/2013/10/ios-programming-recipe-30-using-3d-mapping/

Implementing Google Play Games Services in Swift

Hello fellow developers :)
I have been trying to implement Google Play Games Services in my newest app project, but find myself being completely lost. I find GMS to be quite complicated and therefore need some sort of tutorial to stand a chance.
Unfortunately the official guide on Googles websites (https://developers.google.com/games/services/ios/quickstart) only describes the setup process for Objective-C.
My question is therefore, as ambiguous as is, if anyone knows anything that could help me implement GMS. This includes links to tutorials, code-snippets, personal tips, or anything else that could come in handy.
And yes, I am aware that questions like these are often frowned upon due to their ambiguous nature. What must be understood is that this question is a desperate last attempt before giving up and going with GameCenter instead. I simply have not found the information needed anywhere else.
Thank you! :)
You may need to use a bridging header for this. Check out the following link by gguuss in GitHub: http://github.com/gguuss/gplus-ios-swift.

Swift - SPGooglePlacesAutocomplete - how to deal with it?

My research showed that the only proper way to have an autocompletion search bar which retrieves coordinates is to use SPGooglePlacesAutoComplete.
However, here https://github.com/spoletto/SPGooglePlacesAutocomplete are only installation hints along with bridging from obj-c to swift. But actually, I cannot find anywhere how to handle it in swift. How to connect search bar outlet, how to connect it to existing project with map etc.
Does anybody know some neat tutorial which makes handling this library in swift clear? If no such thing around the web, could anybody post here, as an answer, short tutorial how to deal with SPGooglePlacesAutocomplete, how to connect outlets, retrieve coordinates, how to pair it with search bar etc. I would be very grateful
Thanks in advance!
as the person who maintains https://github.com/chenyuan/SPGooglePlacesAutocomplete (in a very inactive way), I have received several inquires about supporting Swift. I'm planning to migrate this repo to Swift, however with a full-time job and 2 kids, I can't promise a specific timeline.
Meanwhile, would you be able to follow the solutions provided in this issue: https://github.com/chenyuan/SPGooglePlacesAutocomplete/issues/15

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