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iOS

CodeProject iOS Mobile Development Objective-C Software Development 

Handling NSInvalidArgumentException “Pushing the same view controller instance more than once is not supported” in an iOS application

May 5, 2019April 4, 2023 ToughDev 0 Comment exception handling, java, NSInvalidArgumentException, UINavigationController

When debugging my iOS app, I discovered that the following apparently innocent code sometimes caused the app to crash due

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Foxit MobilePDF SDK Demo App (1)
Android CodeProject iOS Mobile Development Product Reviews 

Exploring Foxit MobilePDF SDK on Android and iOS

November 30, 2017May 9, 2023 ToughDev 1 Comment foxit, mobilepdf, sdk

Last week when downloading Foxit PDF Reader, I browsed through the list of PDF products offered by Foxit and came across

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xCode Organizer No Suitable Applications Found
CodeProject iOS Mobile Development Software Development 

Error “No suitable application records” were found when submitting apps via xCode

February 8, 2016April 4, 2023 ToughDev 0 Comment iOS, iTunes, xCode

When attempting to submit my application to the iOS app store recently using xCode Organizer, I encountered the following weird error

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CodeProject iOS Mobile Development 

Common issues when calling writeToFile: atomically: on an NSDictionary object

August 23, 2015April 4, 2023 ToughDev 0 Comment

One of the easiest ways to convert an NSDictionary into a plist file is to use However, a common drawback

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Screen-Shot-2015-03-30-at-3.04.10-PM
CodeProject iOS Mobile Development 

Common issues when using Core Location framework on iOS 8

March 31, 2015April 4, 2023 ToughDev 0 Comment

Using the Core Location framework properly and efficiently is a must for those developing iOS apps that make use of

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Screenshot2011-07-30at35129AM
Android CodeProject iOS Mobile Development PDF Product Reviews 

Comparison of popular PDF libraries on iOS and Android

February 14, 2015May 9, 2023 ToughDev 12 Comments

UPDATE (Nov 2017): This article has been updated to include Foxit MobilePDF SDK, a feature-rich mobile PDF SDK solution with extensive support

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CodeProject iOS Mobile Development Software Development Xcode 

Archiving iOS projects from command line using xcodebuild and xcrun

June 9, 2014April 4, 2023 ToughDev 6 Comments

In one of my recent projects, I need to provided 16 different builds from a single iOS application code base.

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CodeProject iOS Mobile Development PHP Software Development Web Development 

Using ApnsPHP library with CodeIgniter to send Push Notifications to iOS devices

November 24, 2012April 4, 2023 ToughDev 1 Comment

I recently needed to use PHP to send Push Notification to iOS and Android devices. While sending push notification to

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CodeProject iOS Mobile Development Networking Objective-C Software Development 

Using SOAP web service in an iOS application

October 18, 2012April 4, 2023 ToughDev 0 Comment

I recently needed to connect to SOAP web services written in .NET/PHP from one of my iOS applications when I

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iOS Mac OS Mobile Development VmWare 

Mac OS X on VmWare – Upgrading from 10.6.4 to 10.6.8

February 17, 2012May 4, 2023 ToughDev 0 Comment

In my previous articles (this and this) I have shown you how to setup a working Mac OS X 10.6.4

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CodeProject iOS Mobile Development Objective-C 

Converting between NSString and C strings in an iOS project

December 24, 2011April 4, 2023 ToughDev 0 Comment

I recently had to use a C library in an iPhone project, which is mostly in Objective-C. Things were going

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iOS Mobile Development Software Development Xcode 

Xcode 4 bug: Crash when using Core Data Model from Xcode 3

August 20, 2011May 7, 2023 ToughDev 0 Comment

I recently upgraded my Xcode from version 3 to 4.0.2 (build 4A2002a) and notice that Xcode keeps on crashing whenever

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About Us

Since 2008, ToughDev has been publishing technical sharing articles on a wide range of topics from software development to electronics design. Our interests include, but are not limited to, Android/iOS programming, VoIP products, embedded design using Arduino/PIC microcontrollers, reverse-engineering, retro-computing, and many others. We also perform product reviews, both on new and vintage products, and share our findings with the community. In addition, our team also develops customized software/hardware solutions highly adapted to suit your needs.

Read our latest review of the DS1054Z/GDS1054B/DSO4084C oscilloscopes as well as our text-to-speech solution for the PIC24 for some examples of what we can do.

Contact us if you have interesting ideas to share and our friendly staff will get back to you!

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