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Objective-C / Swift Tutorials, Resources and Competitions for the iPhone Developer

Swift: Create user sign up based app with Parse.com using PFUser

parse com logo So, you want to be able to let people sign up to your app right? and you’re using Parse.com? Awesome. They have thought of this and created a fantastic specialised user class: PFUser. This tutorial will show you have to Create a user sign up based app with Parse.com using PFUser.

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Connect your Swift Application to Parse.com

parse com logo Parse.com is an absolutely fantastic option for the individual Swift iOS developer who wants to have the full power of a server backend powering their app without all the difficulties of setting one up. This tutorials shows you how to connect your Swift iOS Application to the Parse.com service.

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Quick tip: Implementing UIAlertView in Swift

In Swift and iOS 8 SDK you can present an alert view as shown in the code below : 1234var alert = UIAlertController(title: “Alert Title", message: "Message", preferredStyle: UIAlertControllerStyle.Alert) alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.Default, handler: nil)) self.presentViewController(alert, animated: true, completion: nil) You can also add destructive and cancel actions by setting the style property to Destructive and Cancel respectively.

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Quick Tip: Scrolling animation – UIScrollView

So I wanted an animated UIScrollView which iterated around a collection of UIViews that had been programmatically added to my UIScrollView.

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How to: Detect screenshots in Objective-C and Swift like SnapChat

Detect screenshots like snapchat logo Have you got the Snapchat App? Even taken a screenshot of the image because you wanted to keep it forever? Ever wondered how to do that in your own app?

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Base64 Decoding in iOS 7 Objective-C and iOS8 Swift

Here is a very quick tip that about Base64 decoding for iOS Applications and for Objective-C iOS7+, incl iOS8 Swift.

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Quick tip: dispatch_once singleton model in Swift

From my short experience with iOS8 Swift there are three approaches to implement the Singleton pattern that support lazy initialisation and thread safety.

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How to send emails in your iOS Application using: MFMailComposeViewController

Have you wanted to send an e-mail from your app and pre-populate the fields like the recipient, subject, or body text? In this How to send emails from your ios application tutorial I will show you how. Thankfully Apple made it pretty easy with MFMailComposeViewController. There is a bit of setup, but most of its actual implementation is pretty easy.

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