Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade from color to color	Apr 03th, 2017	346
UIWebView get vertical height	Mar 31th, 2017	313
Threads Helper	Feb 27th, 2017	416
Identifies if is running from the device or simulator	Jul 20th, 2016	517
Standardize AFNetworking calls	Apr 21th, 2016	481
UILabel correct way to padding left/right	Apr 18th, 2016	75
Performance examination procedure	Mar 18th, 2016	438
Cancellable dispatch_after	Mar 04th, 2016	580
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	499
How to get router IP address in Objective-C	Feb 27th, 2016	515
Change value of existing NSLayoutConstraints	Feb 18th, 2016	443
Block execution on main thread	Feb 16th, 2016	490
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	522
Convert GMT date to Italian date	Nov 23th, 2015	503
Get duration of streaming	Nov 23th, 2015	461
Capture an image of a view not yet displayed	Jul 09th, 2015	604
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	662
Validate a email from a string	Apr 23th, 2015	677
Convert URL to a Tiny URL	Apr 23th, 2015	1091
Thumbnail image from ALAsset with a category	Apr 23th, 2015	715
Convert video to MP4 from a URL	Apr 23th, 2015	722
Save jpeg image from CGImageRef	Apr 23th, 2015	630
Capture a screenshot from mov video types	Apr 23th, 2015	586
Get informations of the certificate (OS X)	Feb 22th, 2015	1036
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	531
AVPlayer verify streaming when stalled	Oct 29th, 2014	609
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	562
Convert property names in a text string with their value	Oct 10th, 2014	563
Generate a unique id of a NSObject	Oct 08th, 2014	558
iOS8: correct screen bounds	Oct 02th, 2014	247
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	543
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	246
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	612
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	616
Settings from a PLIST file	Jul 25th, 2014	592
Loading the XIB dependent on the device	Jul 09th, 2014	596
NSObject set property values with NSDictionary	Jul 07th, 2014	630
Convert NSObject to NSDictionary	Jun 23th, 2014	927
Tips: a solid dealloc for all classes	Jun 23th, 2014	219
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	638
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	574
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	636
Capture blurred UIView	Apr 23th, 2014	433
NSDictionary to JSON	Apr 04th, 2014	436
Time difference between two dates	Mar 14th, 2014	454
How to never block the interface with NSOperation	Mar 13th, 2014	471
NSError from NSException	Feb 05th, 2014	471
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	408
UILabel text size fit macro	Jan 16th, 2014	468
UILabel and text size for iOS 7	Dec 12th, 2013	555
Convert Unicode string into readable string	Dec 10th, 2013	456
UIWebVew Video Autoplay	Dec 03th, 2013	510
iOS SOAP client engine	Aug 31th, 2013	570
MD5 encode NSString	Aug 30th, 2013	429
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	452
SHA1 encode NSString	Aug 23th, 2013	412
How to create a perfect circle UIView	Jul 17th, 2013	743
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	451
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	485
How to invoke a method in a class via their string names	Jun 26th, 2013	427
Icon with symbol of the beta version	Jun 23th, 2013	405
UIWebView asynchronous javascript call	Jun 19th, 2013	470
Random numbers and random boolean values	Jun 14th, 2013	758
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	449
SDWebImage extended with alternate URL	Jun 05th, 2013	489
UIImage from icon app	Jun 05th, 2013	496
User-Agent for all UIWebView in your app	Jun 04th, 2013	508
Set property values ​​from a NSDictionary	Jun 04th, 2013	895
Force Facebook Logout	May 20th, 2013	612
How to use GDC for create a singleton class	Apr 05th, 2013	432
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	495
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	843
Remove unused characters in a NSString	Mar 29th, 2013	452
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	535
Add a Gift Shop with your personalized images	Mar 02th, 2013	561
Cocos2D and Google Analytics Category	Feb 21th, 2013	663
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	523
Facebook Token to exchange app information	Nov 27th, 2012	485
Get file list with NSPredicate	Nov 13th, 2012	448
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	500
[self retain] with ARC and without warning	Nov 07th, 2012	662
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	479
Remove observe notification and release all properties	Sep 15th, 2012	470
Two or more UIButton on UINavigationBar	Sep 07th, 2012	494
More useful macros	Sep 06th, 2012	520
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	604
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	470
Add text to image	Aug 19th, 2012	787
Swizzle Method	Aug 01th, 2012	591
Swizzeling Hack (FB example)	Jul 20th, 2012	428
Make Categories Loadable	Jul 10th, 2012	461
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	424
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	442
NSDictionary to XML NSString	Jun 23th, 2012	509
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	549
How to include ttf fonts to iOS app	May 21th, 2012	482
Sorting by block	May 21th, 2012	402
Create movie from array of images	May 21th, 2012	476
UIColor from hex	May 21th, 2012	423
Easy custom back button	May 21th, 2012	412
Add a gift shop to your iOS application	May 17th, 2012	460
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	491
How to disable ARC for one or more file	Apr 04th, 2012	414
How to enable automatic observer notification	Apr 03th, 2012	437
Copy object with property values	Apr 01th, 2012	570
ReviewEngine	Mar 28th, 2012	452