Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade from color to color	Apr 03th, 2017	1009
UIWebView get vertical height	Mar 31th, 2017	885
Threads Helper	Feb 27th, 2017	961
Identifies if is running from the device or simulator	Jul 20th, 2016	1039
Standardize AFNetworking calls	Apr 21th, 2016	1040
UILabel correct way to padding left/right	Apr 18th, 2016	265
Performance examination procedure	Mar 18th, 2016	950
Cancellable dispatch_after	Mar 04th, 2016	1305
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	997
How to get router IP address in Objective-C	Feb 27th, 2016	1092
Change value of existing NSLayoutConstraints	Feb 18th, 2016	978
Block execution on main thread	Feb 16th, 2016	1035
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	1246
Convert GMT date to Italian date	Nov 23th, 2015	1098
Get duration of streaming	Nov 23th, 2015	1027
Capture an image of a view not yet displayed	Jul 09th, 2015	1170
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	1159
Validate a email from a string	Apr 23th, 2015	1241
Convert URL to a Tiny URL	Apr 23th, 2015	1957
Thumbnail image from ALAsset with a category	Apr 23th, 2015	1233
Convert video to MP4 from a URL	Apr 23th, 2015	1258
Save jpeg image from CGImageRef	Apr 23th, 2015	1177
Capture a screenshot from mov video types	Apr 23th, 2015	1158
Get informations of the certificate (OS X)	Feb 22th, 2015	1966
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	1040
AVPlayer verify streaming when stalled	Oct 29th, 2014	1259
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	1090
Convert property names in a text string with their value	Oct 10th, 2014	1064
Generate a unique id of a NSObject	Oct 08th, 2014	1078
iOS8: correct screen bounds	Oct 02th, 2014	536
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	1105
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	400
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	1116
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	1126
Settings from a PLIST file	Jul 25th, 2014	1181
Loading the XIB dependent on the device	Jul 09th, 2014	1089
NSObject set property values with NSDictionary	Jul 07th, 2014	1081
Convert NSObject to NSDictionary	Jun 23th, 2014	1726
Tips: a solid dealloc for all classes	Jun 23th, 2014	471
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	1110
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	1182
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	1118
Capture blurred UIView	Apr 23th, 2014	932
NSDictionary to JSON	Apr 04th, 2014	953
Time difference between two dates	Mar 14th, 2014	961
How to never block the interface with NSOperation	Mar 13th, 2014	1052
NSError from NSException	Feb 05th, 2014	1071
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	807
UILabel text size fit macro	Jan 16th, 2014	952
UILabel and text size for iOS 7	Dec 12th, 2013	977
Convert Unicode string into readable string	Dec 10th, 2013	926
UIWebVew Video Autoplay	Dec 03th, 2013	1049
iOS SOAP client engine	Aug 31th, 2013	1138
MD5 encode NSString	Aug 30th, 2013	864
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	1011
SHA1 encode NSString	Aug 23th, 2013	835
How to create a perfect circle UIView	Jul 17th, 2013	1307
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	883
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	1019
How to invoke a method in a class via their string names	Jun 26th, 2013	854
Icon with symbol of the beta version	Jun 23th, 2013	966
UIWebView asynchronous javascript call	Jun 19th, 2013	903
Random numbers and random boolean values	Jun 14th, 2013	1330
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	893
SDWebImage extended with alternate URL	Jun 05th, 2013	924
UIImage from icon app	Jun 05th, 2013	906
User-Agent for all UIWebView in your app	Jun 04th, 2013	920
Set property values ​​from a NSDictionary	Jun 04th, 2013	1426
Force Facebook Logout	May 20th, 2013	1248
How to use GDC for create a singleton class	Apr 05th, 2013	825
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	917
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	1293
Remove unused characters in a NSString	Mar 29th, 2013	828
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	883
Add a Gift Shop with your personalized images	Mar 02th, 2013	983
Cocos2D and Google Analytics Category	Feb 21th, 2013	1009
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	866
Facebook Token to exchange app information	Nov 27th, 2012	967
Get file list with NSPredicate	Nov 13th, 2012	804
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	837
[self retain] with ARC and without warning	Nov 07th, 2012	959
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	810
Remove observe notification and release all properties	Sep 15th, 2012	806
Two or more UIButton on UINavigationBar	Sep 07th, 2012	833
More useful macros	Sep 06th, 2012	866
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	961
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	817
Add text to image	Aug 19th, 2012	1169
Swizzle Method	Aug 01th, 2012	947
Swizzeling Hack (FB example)	Jul 20th, 2012	737
Make Categories Loadable	Jul 10th, 2012	810
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	795
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	758
NSDictionary to XML NSString	Jun 23th, 2012	827
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	601
How to include ttf fonts to iOS app	May 21th, 2012	792
Sorting by block	May 21th, 2012	766
Create movie from array of images	May 21th, 2012	822
UIColor from hex	May 21th, 2012	760
Easy custom back button	May 21th, 2012	768
Add a gift shop to your iOS application	May 17th, 2012	1212
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	820
How to disable ARC for one or more file	Apr 04th, 2012	746
How to enable automatic observer notification	Apr 03th, 2012	777
Copy object with property values	Apr 01th, 2012	914
ReviewEngine	Mar 28th, 2012	765