Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade from color to color	Apr 03th, 2017	715
UIWebView get vertical height	Mar 31th, 2017	674
Threads Helper	Feb 27th, 2017	749
Identifies if is running from the device or simulator	Jul 20th, 2016	836
Standardize AFNetworking calls	Apr 21th, 2016	816
UILabel correct way to padding left/right	Apr 18th, 2016	199
Performance examination procedure	Mar 18th, 2016	759
Cancellable dispatch_after	Mar 04th, 2016	964
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	803
How to get router IP address in Objective-C	Feb 27th, 2016	868
Change value of existing NSLayoutConstraints	Feb 18th, 2016	771
Block execution on main thread	Feb 16th, 2016	806
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	947
Convert GMT date to Italian date	Nov 23th, 2015	858
Get duration of streaming	Nov 23th, 2015	813
Capture an image of a view not yet displayed	Jul 09th, 2015	954
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	977
Validate a email from a string	Apr 23th, 2015	1043
Convert URL to a Tiny URL	Apr 23th, 2015	1574
Thumbnail image from ALAsset with a category	Apr 23th, 2015	1042
Convert video to MP4 from a URL	Apr 23th, 2015	1043
Save jpeg image from CGImageRef	Apr 23th, 2015	985
Capture a screenshot from mov video types	Apr 23th, 2015	932
Get informations of the certificate (OS X)	Feb 22th, 2015	1619
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	867
AVPlayer verify streaming when stalled	Oct 29th, 2014	981
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	902
Convert property names in a text string with their value	Oct 10th, 2014	878
Generate a unique id of a NSObject	Oct 08th, 2014	879
iOS8: correct screen bounds	Oct 02th, 2014	388
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	848
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	343
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	926
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	939
Settings from a PLIST file	Jul 25th, 2014	930
Loading the XIB dependent on the device	Jul 09th, 2014	911
NSObject set property values with NSDictionary	Jul 07th, 2014	925
Convert NSObject to NSDictionary	Jun 23th, 2014	1387
Tips: a solid dealloc for all classes	Jun 23th, 2014	326
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	948
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	902
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	933
Capture blurred UIView	Apr 23th, 2014	754
NSDictionary to JSON	Apr 04th, 2014	775
Time difference between two dates	Mar 14th, 2014	797
How to never block the interface with NSOperation	Mar 13th, 2014	802
NSError from NSException	Feb 05th, 2014	809
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	683
UILabel text size fit macro	Jan 16th, 2014	799
UILabel and text size for iOS 7	Dec 12th, 2013	835
Convert Unicode string into readable string	Dec 10th, 2013	761
UIWebVew Video Autoplay	Dec 03th, 2013	813
iOS SOAP client engine	Aug 31th, 2013	926
MD5 encode NSString	Aug 30th, 2013	708
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	775
SHA1 encode NSString	Aug 23th, 2013	690
How to create a perfect circle UIView	Jul 17th, 2013	1057
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	743
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	795
How to invoke a method in a class via their string names	Jun 26th, 2013	707
Icon with symbol of the beta version	Jun 23th, 2013	714
UIWebView asynchronous javascript call	Jun 19th, 2013	762
Random numbers and random boolean values	Jun 14th, 2013	1082
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	737
SDWebImage extended with alternate URL	Jun 05th, 2013	782
UIImage from icon app	Jun 05th, 2013	770
User-Agent for all UIWebView in your app	Jun 04th, 2013	785
Set property values ​​from a NSDictionary	Jun 04th, 2013	1241
Force Facebook Logout	May 20th, 2013	999
How to use GDC for create a singleton class	Apr 05th, 2013	695
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	777
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	1153
Remove unused characters in a NSString	Mar 29th, 2013	697
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	771
Add a Gift Shop with your personalized images	Mar 02th, 2013	856
Cocos2D and Google Analytics Category	Feb 21th, 2013	899
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	747
Facebook Token to exchange app information	Nov 27th, 2012	791
Get file list with NSPredicate	Nov 13th, 2012	689
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	711
[self retain] with ARC and without warning	Nov 07th, 2012	852
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	689
Remove observe notification and release all properties	Sep 15th, 2012	685
Two or more UIButton on UINavigationBar	Sep 07th, 2012	716
More useful macros	Sep 06th, 2012	743
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	839
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	700
Add text to image	Aug 19th, 2012	1023
Swizzle Method	Aug 01th, 2012	827
Swizzeling Hack (FB example)	Jul 20th, 2012	622
Make Categories Loadable	Jul 10th, 2012	698
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	663
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	649
NSDictionary to XML NSString	Jun 23th, 2012	722
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	574
How to include ttf fonts to iOS app	May 21th, 2012	675
Sorting by block	May 21th, 2012	641
Create movie from array of images	May 21th, 2012	693
UIColor from hex	May 21th, 2012	650
Easy custom back button	May 21th, 2012	637
Add a gift shop to your iOS application	May 17th, 2012	952
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	710
How to disable ARC for one or more file	Apr 04th, 2012	607
How to enable automatic observer notification	Apr 03th, 2012	640
Copy object with property values	Apr 01th, 2012	799
ReviewEngine	Mar 28th, 2012	653