Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade form color to color	Apr 03th, 2017	118
UIWebView get vertical height	Mar 31th, 2017	121
Threads Helper	Feb 27th, 2017	199
Identifies if is running from the device or simulator	Jul 20th, 2016	312
Standardize AFNetworking calls	Apr 21th, 2016	265
UILabel correct way to padding left/right	Apr 18th, 2016	63
Performance examination procedure	Mar 18th, 2016	269
Cancellable dispatch_after	Mar 04th, 2016	306
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	284
How to get router IP address in Objective-C	Feb 27th, 2016	277
Change value of existing NSLayoutConstraints	Feb 18th, 2016	267
Block execution on main thread	Feb 16th, 2016	269
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	295
Convert GMT date to Italian date	Nov 23th, 2015	310
Get duration of streaming	Nov 23th, 2015	242
Capture an image of a view not yet displayed	Jul 09th, 2015	376
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	447
Validate a email from a string	Apr 23th, 2015	442
Convert URL to a Tiny URL	Apr 23th, 2015	603
Thumbnail image from ALAsset with a category	Apr 23th, 2015	469
Convert video to MP4 from a URL	Apr 23th, 2015	497
Save jpeg image from CGImageRef	Apr 23th, 2015	429
Capture a screenshot from mov video types	Apr 23th, 2015	398
Get informations of the certificate (OS X)	Feb 22th, 2015	643
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	339
AVPlayer verify streaming when stalled	Oct 29th, 2014	390
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	383
Convert property names in a text string with their value	Oct 10th, 2014	368
Generate a unique id of a NSObject	Oct 08th, 2014	360
iOS8: correct screen bounds	Oct 02th, 2014	240
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	349
How to get duration (HH:MM:SS) from AVAudioPlayer	Sep 12th, 2014	237
fix the wrong value of sizeThatFits in a UITableViewCell	Sep 11th, 2014	423
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	436
Settings from a PLIST file	Jul 25th, 2014	438
Loading the XIB dependent on the device	Jul 09th, 2014	418
NSObject set property values with NSDictionary	Jul 07th, 2014	442
Convert NSObject to NSDictionary	Jun 23th, 2014	519
Tips: a solid dealloc for all classes	Jun 23th, 2014	213
Fix the crash in iOS6 when you start a not supported video	Jun 09th, 2014	446
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	377
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	409
Capture blurred UIView	Apr 23th, 2014	254
NSDictionary to JSON	Apr 04th, 2014	262
Time difference between two dates	Mar 14th, 2014	289
How to never block the interface with NSOperation	Mar 13th, 2014	295
NSError from NSException	Feb 05th, 2014	283
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	254
UILabel text size fit macro	Jan 16th, 2014	306
UILabel and text size for iOS 7	Dec 12th, 2013	334
Convert Unicode string into readable string	Dec 10th, 2013	266
UIWebVew Video Autoplay	Dec 03th, 2013	316
iOS SOAP client engine	Aug 31th, 2013	343
MD5 encode NSString	Aug 30th, 2013	268
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	255
SHA1 encode NSString	Aug 23th, 2013	260
How to create a perfect circle UIView	Jul 17th, 2013	535
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	260
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	333
How to invoke a method in a class via their string names	Jun 26th, 2013	257
Icon with symbol of the beta version	Jun 23th, 2013	240
UIWebView asynchronous javascript call	Jun 19th, 2013	307
Random numbers and random boolean values	Jun 14th, 2013	546
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	254
SDWebImage extended with alternate URL	Jun 05th, 2013	309
UIImage from icon app	Jun 05th, 2013	313
User-Agent for all UIWebView in your app	Jun 04th, 2013	313
Set property values ​​from a NSDictionary	Jun 04th, 2013	579
Force Facebook Logout	May 20th, 2013	416
How to use GDC for create a singleton class	Apr 05th, 2013	263
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	305
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	669
Remove unused characters in a NSString	Mar 29th, 2013	260
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	327
Add a Gift Shop with your personalized images	Mar 02th, 2013	289
Cocos2D and Google Analytics Category	Feb 21th, 2013	492
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	349
Facebook Token to exchange app information	Nov 27th, 2012	277
Get file list with NSPredicate	Nov 13th, 2012	289
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	322
[self retain] with ARC and without warning	Nov 07th, 2012	478
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	303
Remove observe notification and release all properties	Sep 15th, 2012	286
Two or more UIButton on UINavigationBar	Sep 07th, 2012	317
More useful macros	Sep 06th, 2012	323
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	444
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	320
Add text to image	Aug 19th, 2012	595
Swizzle Method	Aug 01th, 2012	406
Swizzeling Hack (FB example)	Jul 20th, 2012	259
Make Categories Loadable	Jul 10th, 2012	295
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	278
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	270
NSDictionary to XML NSString	Jun 23th, 2012	343
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	524
How to include ttf fonts to iOS app	May 21th, 2012	311
Sorting by block	May 21th, 2012	247
Create movie from array of images	May 21th, 2012	300
UIColor from hex	May 21th, 2012	264
Easy custom back button	May 21th, 2012	236
Add a gift shop to your iOS application	May 17th, 2012	249
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	279
How to disable ARC for one or more file	Apr 04th, 2012	255
How to enable automatic observer notification	Apr 03th, 2012	287
Copy object with property values	Apr 01th, 2012	408
ReviewEngine	Mar 28th, 2012	281