Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade from color to color	Apr 03th, 2017	987
UIWebView get vertical height	Mar 31th, 2017	863
Threads Helper	Feb 27th, 2017	939
Identifies if is running from the device or simulator	Jul 20th, 2016	1020
Standardize AFNetworking calls	Apr 21th, 2016	1025
UILabel correct way to padding left/right	Apr 18th, 2016	257
Performance examination procedure	Mar 18th, 2016	933
Cancellable dispatch_after	Mar 04th, 2016	1276
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	980
How to get router IP address in Objective-C	Feb 27th, 2016	1067
Change value of existing NSLayoutConstraints	Feb 18th, 2016	956
Block execution on main thread	Feb 16th, 2016	1014
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	1216
Convert GMT date to Italian date	Nov 23th, 2015	1074
Get duration of streaming	Nov 23th, 2015	1004
Capture an image of a view not yet displayed	Jul 09th, 2015	1142
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	1146
Validate a email from a string	Apr 23th, 2015	1223
Convert URL to a Tiny URL	Apr 23th, 2015	1928
Thumbnail image from ALAsset with a category	Apr 23th, 2015	1220
Convert video to MP4 from a URL	Apr 23th, 2015	1239
Save jpeg image from CGImageRef	Apr 23th, 2015	1163
Capture a screenshot from mov video types	Apr 23th, 2015	1136
Get informations of the certificate (OS X)	Feb 22th, 2015	1941
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	1029
AVPlayer verify streaming when stalled	Oct 29th, 2014	1230
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	1075
Convert property names in a text string with their value	Oct 10th, 2014	1048
Generate a unique id of a NSObject	Oct 08th, 2014	1060
iOS8: correct screen bounds	Oct 02th, 2014	525
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	1088
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	393
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	1101
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	1109
Settings from a PLIST file	Jul 25th, 2014	1158
Loading the XIB dependent on the device	Jul 09th, 2014	1071
NSObject set property values with NSDictionary	Jul 07th, 2014	1065
Convert NSObject to NSDictionary	Jun 23th, 2014	1704
Tips: a solid dealloc for all classes	Jun 23th, 2014	456
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	1099
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	1162
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	1102
Capture blurred UIView	Apr 23th, 2014	909
NSDictionary to JSON	Apr 04th, 2014	938
Time difference between two dates	Mar 14th, 2014	945
How to never block the interface with NSOperation	Mar 13th, 2014	1034
NSError from NSException	Feb 05th, 2014	1050
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	794
UILabel text size fit macro	Jan 16th, 2014	937
UILabel and text size for iOS 7	Dec 12th, 2013	961
Convert Unicode string into readable string	Dec 10th, 2013	914
UIWebVew Video Autoplay	Dec 03th, 2013	1028
iOS SOAP client engine	Aug 31th, 2013	1115
MD5 encode NSString	Aug 30th, 2013	852
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	994
SHA1 encode NSString	Aug 23th, 2013	822
How to create a perfect circle UIView	Jul 17th, 2013	1286
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	873
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	1001
How to invoke a method in a class via their string names	Jun 26th, 2013	842
Icon with symbol of the beta version	Jun 23th, 2013	946
UIWebView asynchronous javascript call	Jun 19th, 2013	888
Random numbers and random boolean values	Jun 14th, 2013	1311
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	879
SDWebImage extended with alternate URL	Jun 05th, 2013	912
UIImage from icon app	Jun 05th, 2013	894
User-Agent for all UIWebView in your app	Jun 04th, 2013	910
Set property values ​​from a NSDictionary	Jun 04th, 2013	1405
Force Facebook Logout	May 20th, 2013	1231
How to use GDC for create a singleton class	Apr 05th, 2013	814
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	908
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	1280
Remove unused characters in a NSString	Mar 29th, 2013	817
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	877
Add a Gift Shop with your personalized images	Mar 02th, 2013	970
Cocos2D and Google Analytics Category	Feb 21th, 2013	999
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	860
Facebook Token to exchange app information	Nov 27th, 2012	956
Get file list with NSPredicate	Nov 13th, 2012	797
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	827
[self retain] with ARC and without warning	Nov 07th, 2012	953
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	800
Remove observe notification and release all properties	Sep 15th, 2012	798
Two or more UIButton on UINavigationBar	Sep 07th, 2012	826
More useful macros	Sep 06th, 2012	856
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	954
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	806
Add text to image	Aug 19th, 2012	1156
Swizzle Method	Aug 01th, 2012	935
Swizzeling Hack (FB example)	Jul 20th, 2012	729
Make Categories Loadable	Jul 10th, 2012	802
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	788
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	749
NSDictionary to XML NSString	Jun 23th, 2012	820
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	599
How to include ttf fonts to iOS app	May 21th, 2012	783
Sorting by block	May 21th, 2012	753
Create movie from array of images	May 21th, 2012	811
UIColor from hex	May 21th, 2012	754
Easy custom back button	May 21th, 2012	757
Add a gift shop to your iOS application	May 17th, 2012	1187
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	813
How to disable ARC for one or more file	Apr 04th, 2012	740
How to enable automatic observer notification	Apr 03th, 2012	770
Copy object with property values	Apr 01th, 2012	903
ReviewEngine	Mar 28th, 2012	757