How _CTServerConnectionStartCellTracking works? - ios

I'm trying to use a private API to retrieve radio cell information.
Since iOS 8.3, the old API doesn't work anymore. So, I'm trying to find another one. I found this method:
_CTServerConnectionStartCellTracking
Apparently, there are CFStringRef keys for
_kCTCellTrackedCI, _kCTCellTrackedLAC, _kCTCellTrackedMCC and _kCTCellTrackedMNC
But I don't know how to use them. I think that the first parameter should be a CTServerConnectionRef, but I have no idea for the others.
Do you have any further information?
Thank you :)

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Writing to password protected NFC tag in Swift

Is there a way in Swift (NFC core) to remove and set password on the tag. I am currently doing a research on the web but I cannot find anything, only simple read write code snippets.
I guess there is a way, so if somebody could point me in the right direction, or give me some hits on how it can be done.
Thanks
I think that isn't available now in CoreNFC and don't be available in future. Me too doing this research and found only availability to do tag readOnly by using WriteLock. But that operation irreversible as i know. If you found something else, please write here.
But I think it depends on the chip used in the tag. Because Ukrainian Passports using some PIN and CAN codes for access to data inside the tag. And I have application, but I don't know it writes by Swift or not.

what does firebase_screen_class mean

I'm now using Firebase Analytics to analyze the data about an app and I'm quite new to this field. In the bigquery, I found that under the session_start event field, there is a subfield called firebase_screen_class and there are some subclass like FirstViewController, UIAlertController, preferencetableviewCotroller, PagescrollviewController.
I tried to figure out what these mean and knew that these are relevant to the IOS app development. Is there anyone can help me better understand these terms or give me some helpful links for me to learn myself?
Thanks!!!
Let's suppose you're looking at the automatic screen_view event that firebase tracks for you.
firebase_screen_class is the name of the class that triggered it.
It will be something like "MyClassViewController" for iOS and "MyClassActivity" for Android.
You can find more info here.
https://support.google.com/firebase/answer/7061705?hl=us-EN

Old app headers into newer app version? [Jailbreak Tweak]

Sorry, for the confusing title. I am developing an iOS Tweak (for jailbreaks)
What I am trying to accomplish is something I haven't seen people do before but I am sure it is possible!
as an example lets say I am trying to change my username.
in app version 1.0 in the User.h there is a method called
- (void)setChangeUsername:(id)arg1;
which allows the change of usernames within the app, now on app version 1.2
the method is rendered useless / isnt there.
how could I reactivate this method so it allows the change of usernames?
would I have to edit the app binary, or import some old headers, not even sure what the first step of this process is, or if its even possible.
Sorry for the vague example but I hope it is enough information to get what I need answered!
If you would like more information I would be happy to write some more and be more detailed :)
Thank you!
You can't call or hook a function that no longer exists. If you want to change the username you will have to find an alternative method to do so.

How to change the url of a webview ofter users installed it? Xcode

I'm building an iOS App with Xcode in Swift.
I have a webview in my app. But I don't want it to direct one specific url. I need to change the url occasionally, even after the users installed it.
I don't know if it's possible and I haven't got a solution after searching around for a while.
Thanks a lot!
I can think of a few ways of varying degrees of difficulty and flexibility:
If you knowing advance a number of suitable sites, you can maintain an array of URLs and load different entries based on whatever criteria you desire.
You can update the array or a single URL through app updates.
You can have the preloaded URL be a domain you own which is set to be redirected to any URL you chose. This is easy and cheap.
You can create a web service. Not for the lighthearted if you have never done it.

How do you create a new order in paypal here from an iOS homescreen webapp?

I am aware that PayPal Here can be accessed via an iOS URL scheme similar to: "paypalhere://takePayment?arguments".
I don't know what this URL scheme is but people have already been able to do what I am trying to do, a sample can be read here: https://github.com/paypal/PayPalHere-Sample/blob/master/PPHSample/PPHSample/PPHSampleViewController.m at line 171.
I just want to open paypal here and at the very least pass the total and receive a pass/fail callback. Now if you know how to create an entire order (product name,price,quantity), that would be even better!
Please help me out! I haven't been able to figure it out from reading this ViewController and it looks like it's the only thing that hints at how to get it done. Thanks in advance!
Check this comment:
https://github.com/paypal/PayPal-iOS-SDK/issues/1#issuecomment-14680084
It has 2 documents that may be of use to you.

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