Questions tagged as 'objective-c'

Tagged questions
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Objective C - How do I direct user to appleStore to update their APP

My code checks to see if there is a new app update, but when there is one, I do not know how to direct it to the AppStore to download. I've done something like this: And by clicking Refresh, we direct the user to the appStore     
asked by 13.06.2016 / 17:45
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Web Server TLS / SSL handshake

I'm developing a webserver on objetive-c for Iphone and implemented TLS / SSL for encrypted communication with a self sign certificate, presented in the links below. I have tested the connection using wget of Ubuntu to create a client...
asked by 06.10.2015 / 16:43
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Colors in pictures

I own an image and would like to take the predominant color of this image. For example: I have this image: link The predominant color is green, I would like to know how to identify this color, in different images, regardless of the co...
asked by 05.02.2015 / 12:53
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Youtube videos in app

How to embed a video from my YouTube channel to an app in iOS ? I followed this guide of YouTube Developers , but the video does not appear on the screen. My code looks like this: FirstViewController.h // // FirstViewController...
asked by 28.11.2014 / 00:08
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Attempting to login with Facebook and returns FBErrorCategoryUserCancelled

Facebook Login on iOS works in 3 ways: Try to log in to the native iOS login, if the user has this option configured; Try to log in to the Facebook application if it is installed; Open the Facebook site in Safari for the user to log in....
asked by 25.08.2014 / 19:56
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Real-time monitoring using GPS

I'm creating an app for a pizzeria where the customer can see the location of the motoboy that will deliver his pizza in real time, but a question arose, I'd like to know how do I send my location via a web service to every 15 seconds without de...
asked by 16.11.2015 / 12:28
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How to perform asynchronous request using JSON?

Scenario, I have a data request using JSON but would like this request to be made outside of the main thread of the app so that it does not crash and that the user can perform other operations while the data is downloaded. In the code below I...
asked by 29.10.2014 / 15:44
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How to add 1 kilometer to a Google Maps coordinate?

How could I add 1km (or 1,000 meters) to a Google Maps coordinate to determine an area? Example: Radius formed by points A and B: Point A = Latitude: -22.91009, Longetude: -43.107499. Point B = Latitude (A) + VALUE, Longitude (B) + V...
asked by 12.04.2015 / 04:38
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Mask for UITextField

How do I apply mask to a UITextField ? I found some ways to apply a mask to a UITextField , but it did not seem to me to be a very correct thing to do. It could be an example of a simple phone mask. It can be in Swift or Objective-C....
asked by 12.11.2014 / 18:50
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Development iOS native [closed]

I have a question regarding the languages available for native development. I heard in a podcast, saying that there are still applications that maintenance is done on objective-c. Would it be nice to learn both? Or focus only on Swift?     
asked by 29.08.2018 / 22:50