Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade from color to color	Apr 03th, 2017	919
UIWebView get vertical height	Mar 31th, 2017	814
Threads Helper	Feb 27th, 2017	888
Identifies if is running from the device or simulator	Jul 20th, 2016	967
Standardize AFNetworking calls	Apr 21th, 2016	971
UILabel correct way to padding left/right	Apr 18th, 2016	245
Performance examination procedure	Mar 18th, 2016	884
Cancellable dispatch_after	Mar 04th, 2016	1189
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	926
How to get router IP address in Objective-C	Feb 27th, 2016	1021
Change value of existing NSLayoutConstraints	Feb 18th, 2016	903
Block execution on main thread	Feb 16th, 2016	952
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	1136
Convert GMT date to Italian date	Nov 23th, 2015	1008
Get duration of streaming	Nov 23th, 2015	949
Capture an image of a view not yet displayed	Jul 09th, 2015	1092
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	1100
Validate a email from a string	Apr 23th, 2015	1173
Convert URL to a Tiny URL	Apr 23th, 2015	1809
Thumbnail image from ALAsset with a category	Apr 23th, 2015	1169
Convert video to MP4 from a URL	Apr 23th, 2015	1181
Save jpeg image from CGImageRef	Apr 23th, 2015	1106
Capture a screenshot from mov video types	Apr 23th, 2015	1070
Get informations of the certificate (OS X)	Feb 22th, 2015	1860
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	984
AVPlayer verify streaming when stalled	Oct 29th, 2014	1165
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	1031
Convert property names in a text string with their value	Oct 10th, 2014	1003
Generate a unique id of a NSObject	Oct 08th, 2014	1010
iOS8: correct screen bounds	Oct 02th, 2014	490
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	1031
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	378
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	1050
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	1054
Settings from a PLIST file	Jul 25th, 2014	1097
Loading the XIB dependent on the device	Jul 09th, 2014	1025
NSObject set property values with NSDictionary	Jul 07th, 2014	1022
Convert NSObject to NSDictionary	Jun 23th, 2014	1641
Tips: a solid dealloc for all classes	Jun 23th, 2014	419
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	1051
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	1106
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	1047
Capture blurred UIView	Apr 23th, 2014	864
NSDictionary to JSON	Apr 04th, 2014	881
Time difference between two dates	Mar 14th, 2014	898
How to never block the interface with NSOperation	Mar 13th, 2014	971
NSError from NSException	Feb 05th, 2014	981
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	759
UILabel text size fit macro	Jan 16th, 2014	897
UILabel and text size for iOS 7	Dec 12th, 2013	926
Convert Unicode string into readable string	Dec 10th, 2013	869
UIWebVew Video Autoplay	Dec 03th, 2013	968
iOS SOAP client engine	Aug 31th, 2013	1064
MD5 encode NSString	Aug 30th, 2013	812
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	933
SHA1 encode NSString	Aug 23th, 2013	787
How to create a perfect circle UIView	Jul 17th, 2013	1211
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	836
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	943
How to invoke a method in a class via their string names	Jun 26th, 2013	809
Icon with symbol of the beta version	Jun 23th, 2013	882
UIWebView asynchronous javascript call	Jun 19th, 2013	846
Random numbers and random boolean values	Jun 14th, 2013	1241
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	841
SDWebImage extended with alternate URL	Jun 05th, 2013	875
UIImage from icon app	Jun 05th, 2013	858
User-Agent for all UIWebView in your app	Jun 04th, 2013	876
Set property values ​​from a NSDictionary	Jun 04th, 2013	1358
Force Facebook Logout	May 20th, 2013	1166
How to use GDC for create a singleton class	Apr 05th, 2013	780
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	869
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	1243
Remove unused characters in a NSString	Mar 29th, 2013	786
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	846
Add a Gift Shop with your personalized images	Mar 02th, 2013	938
Cocos2D and Google Analytics Category	Feb 21th, 2013	969
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	824
Facebook Token to exchange app information	Nov 27th, 2012	912
Get file list with NSPredicate	Nov 13th, 2012	765
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	792
[self retain] with ARC and without warning	Nov 07th, 2012	923
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	767
Remove observe notification and release all properties	Sep 15th, 2012	758
Two or more UIButton on UINavigationBar	Sep 07th, 2012	790
More useful macros	Sep 06th, 2012	822
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	926
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	774
Add text to image	Aug 19th, 2012	1120
Swizzle Method	Aug 01th, 2012	906
Swizzeling Hack (FB example)	Jul 20th, 2012	695
Make Categories Loadable	Jul 10th, 2012	774
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	754
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	712
NSDictionary to XML NSString	Jun 23th, 2012	793
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	592
How to include ttf fonts to iOS app	May 21th, 2012	753
Sorting by block	May 21th, 2012	716
Create movie from array of images	May 21th, 2012	768
UIColor from hex	May 21th, 2012	725
Easy custom back button	May 21th, 2012	728
Add a gift shop to your iOS application	May 17th, 2012	1128
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	783
How to disable ARC for one or more file	Apr 04th, 2012	692
How to enable automatic observer notification	Apr 03th, 2012	740
Copy object with property values	Apr 01th, 2012	876
ReviewEngine	Mar 28th, 2012	729