Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade from color to color	Apr 03th, 2017	297
UIWebView get vertical height	Mar 31th, 2017	277
Threads Helper	Feb 27th, 2017	376
Identifies if is running from the device or simulator	Jul 20th, 2016	485
Standardize AFNetworking calls	Apr 21th, 2016	443
UILabel correct way to padding left/right	Apr 18th, 2016	74
Performance examination procedure	Mar 18th, 2016	406
Cancellable dispatch_after	Mar 04th, 2016	536
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	475
How to get router IP address in Objective-C	Feb 27th, 2016	487
Change value of existing NSLayoutConstraints	Feb 18th, 2016	409
Block execution on main thread	Feb 16th, 2016	454
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	494
Convert GMT date to Italian date	Nov 23th, 2015	471
Get duration of streaming	Nov 23th, 2015	421
Capture an image of a view not yet displayed	Jul 09th, 2015	555
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	626
Validate a email from a string	Apr 23th, 2015	610
Convert URL to a Tiny URL	Apr 23th, 2015	914
Thumbnail image from ALAsset with a category	Apr 23th, 2015	682
Convert video to MP4 from a URL	Apr 23th, 2015	686
Save jpeg image from CGImageRef	Apr 23th, 2015	589
Capture a screenshot from mov video types	Apr 23th, 2015	561
Get informations of the certificate (OS X)	Feb 22th, 2015	993
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	484
AVPlayer verify streaming when stalled	Oct 29th, 2014	570
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	528
Convert property names in a text string with their value	Oct 10th, 2014	530
Generate a unique id of a NSObject	Oct 08th, 2014	517
iOS8: correct screen bounds	Oct 02th, 2014	246
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	511
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	245
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	577
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	582
Settings from a PLIST file	Jul 25th, 2014	565
Loading the XIB dependent on the device	Jul 09th, 2014	569
NSObject set property values with NSDictionary	Jul 07th, 2014	602
Convert NSObject to NSDictionary	Jun 23th, 2014	832
Tips: a solid dealloc for all classes	Jun 23th, 2014	218
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	610
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	543
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	590
Capture blurred UIView	Apr 23th, 2014	402
NSDictionary to JSON	Apr 04th, 2014	413
Time difference between two dates	Mar 14th, 2014	429
How to never block the interface with NSOperation	Mar 13th, 2014	445
NSError from NSException	Feb 05th, 2014	434
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	383
UILabel text size fit macro	Jan 16th, 2014	437
UILabel and text size for iOS 7	Dec 12th, 2013	520
Convert Unicode string into readable string	Dec 10th, 2013	420
UIWebVew Video Autoplay	Dec 03th, 2013	484
iOS SOAP client engine	Aug 31th, 2013	503
MD5 encode NSString	Aug 30th, 2013	397
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	425
SHA1 encode NSString	Aug 23th, 2013	384
How to create a perfect circle UIView	Jul 17th, 2013	706
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	424
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	469
How to invoke a method in a class via their string names	Jun 26th, 2013	400
Icon with symbol of the beta version	Jun 23th, 2013	375
UIWebView asynchronous javascript call	Jun 19th, 2013	433
Random numbers and random boolean values	Jun 14th, 2013	711
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	418
SDWebImage extended with alternate URL	Jun 05th, 2013	454
UIImage from icon app	Jun 05th, 2013	471
User-Agent for all UIWebView in your app	Jun 04th, 2013	474
Set property values ​​from a NSDictionary	Jun 04th, 2013	840
Force Facebook Logout	May 20th, 2013	588
How to use GDC for create a singleton class	Apr 05th, 2013	412
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	472
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	803
Remove unused characters in a NSString	Mar 29th, 2013	421
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	494
Add a Gift Shop with your personalized images	Mar 02th, 2013	451
Cocos2D and Google Analytics Category	Feb 21th, 2013	632
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	493
Facebook Token to exchange app information	Nov 27th, 2012	448
Get file list with NSPredicate	Nov 13th, 2012	420
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	446
[self retain] with ARC and without warning	Nov 07th, 2012	640
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	449
Remove observe notification and release all properties	Sep 15th, 2012	437
Two or more UIButton on UINavigationBar	Sep 07th, 2012	463
More useful macros	Sep 06th, 2012	490
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	578
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	442
Add text to image	Aug 19th, 2012	750
Swizzle Method	Aug 01th, 2012	564
Swizzeling Hack (FB example)	Jul 20th, 2012	398
Make Categories Loadable	Jul 10th, 2012	436
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	402
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	405
NSDictionary to XML NSString	Jun 23th, 2012	469
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	545
How to include ttf fonts to iOS app	May 21th, 2012	458
Sorting by block	May 21th, 2012	381
Create movie from array of images	May 21th, 2012	442
UIColor from hex	May 21th, 2012	393
Easy custom back button	May 21th, 2012	385
Add a gift shop to your iOS application	May 17th, 2012	407
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	462
How to disable ARC for one or more file	Apr 04th, 2012	380
How to enable automatic observer notification	Apr 03th, 2012	404
Copy object with property values	Apr 01th, 2012	538
ReviewEngine	Mar 28th, 2012	424