Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade from color to color	Apr 03th, 2017	744
UIWebView get vertical height	Mar 31th, 2017	691
Threads Helper	Feb 27th, 2017	767
Identifies if is running from the device or simulator	Jul 20th, 2016	853
Standardize AFNetworking calls	Apr 21th, 2016	836
UILabel correct way to padding left/right	Apr 18th, 2016	204
Performance examination procedure	Mar 18th, 2016	776
Cancellable dispatch_after	Mar 04th, 2016	994
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	821
How to get router IP address in Objective-C	Feb 27th, 2016	885
Change value of existing NSLayoutConstraints	Feb 18th, 2016	784
Block execution on main thread	Feb 16th, 2016	822
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	976
Convert GMT date to Italian date	Nov 23th, 2015	878
Get duration of streaming	Nov 23th, 2015	829
Capture an image of a view not yet displayed	Jul 09th, 2015	978
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	996
Validate a email from a string	Apr 23th, 2015	1057
Convert URL to a Tiny URL	Apr 23th, 2015	1602
Thumbnail image from ALAsset with a category	Apr 23th, 2015	1061
Convert video to MP4 from a URL	Apr 23th, 2015	1059
Save jpeg image from CGImageRef	Apr 23th, 2015	1001
Capture a screenshot from mov video types	Apr 23th, 2015	947
Get informations of the certificate (OS X)	Feb 22th, 2015	1646
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	881
AVPlayer verify streaming when stalled	Oct 29th, 2014	996
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	915
Convert property names in a text string with their value	Oct 10th, 2014	893
Generate a unique id of a NSObject	Oct 08th, 2014	892
iOS8: correct screen bounds	Oct 02th, 2014	407
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	872
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	348
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	946
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	960
Settings from a PLIST file	Jul 25th, 2014	959
Loading the XIB dependent on the device	Jul 09th, 2014	926
NSObject set property values with NSDictionary	Jul 07th, 2014	940
Convert NSObject to NSDictionary	Jun 23th, 2014	1409
Tips: a solid dealloc for all classes	Jun 23th, 2014	338
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	959
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	928
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	946
Capture blurred UIView	Apr 23th, 2014	772
NSDictionary to JSON	Apr 04th, 2014	793
Time difference between two dates	Mar 14th, 2014	811
How to never block the interface with NSOperation	Mar 13th, 2014	824
NSError from NSException	Feb 05th, 2014	836
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	692
UILabel text size fit macro	Jan 16th, 2014	810
UILabel and text size for iOS 7	Dec 12th, 2013	844
Convert Unicode string into readable string	Dec 10th, 2013	773
UIWebVew Video Autoplay	Dec 03th, 2013	834
iOS SOAP client engine	Aug 31th, 2013	943
MD5 encode NSString	Aug 30th, 2013	720
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	807
SHA1 encode NSString	Aug 23th, 2013	704
How to create a perfect circle UIView	Jul 17th, 2013	1071
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	753
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	812
How to invoke a method in a class via their string names	Jun 26th, 2013	718
Icon with symbol of the beta version	Jun 23th, 2013	735
UIWebView asynchronous javascript call	Jun 19th, 2013	770
Random numbers and random boolean values	Jun 14th, 2013	1098
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	746
SDWebImage extended with alternate URL	Jun 05th, 2013	790
UIImage from icon app	Jun 05th, 2013	779
User-Agent for all UIWebView in your app	Jun 04th, 2013	794
Set property values ​​from a NSDictionary	Jun 04th, 2013	1258
Force Facebook Logout	May 20th, 2013	1021
How to use GDC for create a singleton class	Apr 05th, 2013	701
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	785
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	1161
Remove unused characters in a NSString	Mar 29th, 2013	714
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	779
Add a Gift Shop with your personalized images	Mar 02th, 2013	862
Cocos2D and Google Analytics Category	Feb 21th, 2013	908
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	752
Facebook Token to exchange app information	Nov 27th, 2012	808
Get file list with NSPredicate	Nov 13th, 2012	696
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	719
[self retain] with ARC and without warning	Nov 07th, 2012	860
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	696
Remove observe notification and release all properties	Sep 15th, 2012	698
Two or more UIButton on UINavigationBar	Sep 07th, 2012	722
More useful macros	Sep 06th, 2012	749
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	848
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	707
Add text to image	Aug 19th, 2012	1030
Swizzle Method	Aug 01th, 2012	836
Swizzeling Hack (FB example)	Jul 20th, 2012	628
Make Categories Loadable	Jul 10th, 2012	710
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	677
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	653
NSDictionary to XML NSString	Jun 23th, 2012	727
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	576
How to include ttf fonts to iOS app	May 21th, 2012	680
Sorting by block	May 21th, 2012	646
Create movie from array of images	May 21th, 2012	697
UIColor from hex	May 21th, 2012	657
Easy custom back button	May 21th, 2012	646
Add a gift shop to your iOS application	May 17th, 2012	958
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	719
How to disable ARC for one or more file	Apr 04th, 2012	617
How to enable automatic observer notification	Apr 03th, 2012	651
Copy object with property values	Apr 01th, 2012	807
ReviewEngine	Mar 28th, 2012	662