Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade form color to color	Apr 03th, 2017	215
UIWebView get vertical height	Mar 31th, 2017	210
Threads Helper	Feb 27th, 2017	303
Identifies if is running from the device or simulator	Jul 20th, 2016	418
Standardize AFNetworking calls	Apr 21th, 2016	370
UILabel correct way to padding left/right	Apr 18th, 2016	64
Performance examination procedure	Mar 18th, 2016	352
Cancellable dispatch_after	Mar 04th, 2016	436
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	397
How to get router IP address in Objective-C	Feb 27th, 2016	401
Change value of existing NSLayoutConstraints	Feb 18th, 2016	355
Block execution on main thread	Feb 16th, 2016	381
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	401
Convert GMT date to Italian date	Nov 23th, 2015	407
Get duration of streaming	Nov 23th, 2015	341
Capture an image of a view not yet displayed	Jul 09th, 2015	486
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	555
Validate a email from a string	Apr 23th, 2015	518
Convert URL to a Tiny URL	Apr 23th, 2015	694
Thumbnail image from ALAsset with a category	Apr 23th, 2015	596
Convert video to MP4 from a URL	Apr 23th, 2015	609
Save jpeg image from CGImageRef	Apr 23th, 2015	518
Capture a screenshot from mov video types	Apr 23th, 2015	497
Get informations of the certificate (OS X)	Feb 22th, 2015	884
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	428
AVPlayer verify streaming when stalled	Oct 29th, 2014	505
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	470
Convert property names in a text string with their value	Oct 10th, 2014	468
Generate a unique id of a NSObject	Oct 08th, 2014	460
iOS8: correct screen bounds	Oct 02th, 2014	240
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	446
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	241
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	513
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	518
Settings from a PLIST file	Jul 25th, 2014	511
Loading the XIB dependent on the device	Jul 09th, 2014	507
NSObject set property values with NSDictionary	Jul 07th, 2014	534
Convert NSObject to NSDictionary	Jun 23th, 2014	685
Tips: a solid dealloc for all classes	Jun 23th, 2014	213
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	542
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	478
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	518
Capture blurred UIView	Apr 23th, 2014	349
NSDictionary to JSON	Apr 04th, 2014	358
Time difference between two dates	Mar 14th, 2014	374
How to never block the interface with NSOperation	Mar 13th, 2014	389
NSError from NSException	Feb 05th, 2014	373
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	327
UILabel text size fit macro	Jan 16th, 2014	385
UILabel and text size for iOS 7	Dec 12th, 2013	440
Convert Unicode string into readable string	Dec 10th, 2013	359
UIWebVew Video Autoplay	Dec 03th, 2013	417
iOS SOAP client engine	Aug 31th, 2013	424
MD5 encode NSString	Aug 30th, 2013	346
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	371
SHA1 encode NSString	Aug 23th, 2013	330
How to create a perfect circle UIView	Jul 17th, 2013	643
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	364
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	418
How to invoke a method in a class via their string names	Jun 26th, 2013	341
Icon with symbol of the beta version	Jun 23th, 2013	320
UIWebView asynchronous javascript call	Jun 19th, 2013	383
Random numbers and random boolean values	Jun 14th, 2013	638
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	360
SDWebImage extended with alternate URL	Jun 05th, 2013	401
UIImage from icon app	Jun 05th, 2013	408
User-Agent for all UIWebView in your app	Jun 04th, 2013	405
Set property values ​​from a NSDictionary	Jun 04th, 2013	745
Force Facebook Logout	May 20th, 2013	523
How to use GDC for create a singleton class	Apr 05th, 2013	352
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	408
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	742
Remove unused characters in a NSString	Mar 29th, 2013	354
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	429
Add a Gift Shop with your personalized images	Mar 02th, 2013	373
Cocos2D and Google Analytics Category	Feb 21th, 2013	575
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	439
Facebook Token to exchange app information	Nov 27th, 2012	376
Get file list with NSPredicate	Nov 13th, 2012	368
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	390
[self retain] with ARC and without warning	Nov 07th, 2012	573
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	391
Remove observe notification and release all properties	Sep 15th, 2012	375
Two or more UIButton on UINavigationBar	Sep 07th, 2012	407
More useful macros	Sep 06th, 2012	422
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	526
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	393
Add text to image	Aug 19th, 2012	694
Swizzle Method	Aug 01th, 2012	510
Swizzeling Hack (FB example)	Jul 20th, 2012	341
Make Categories Loadable	Jul 10th, 2012	386
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	351
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	359
NSDictionary to XML NSString	Jun 23th, 2012	416
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	536
How to include ttf fonts to iOS app	May 21th, 2012	403
Sorting by block	May 21th, 2012	329
Create movie from array of images	May 21th, 2012	391
UIColor from hex	May 21th, 2012	345
Easy custom back button	May 21th, 2012	330
Add a gift shop to your iOS application	May 17th, 2012	347
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	399
How to disable ARC for one or more file	Apr 04th, 2012	330
How to enable automatic observer notification	Apr 03th, 2012	358
Copy object with property values	Apr 01th, 2012	489
ReviewEngine	Mar 28th, 2012	375