Objective-C Tips and Tricks for iOS Developers

Total items: 106

Title	Added	Hits
Fade form color to color	Apr 03th, 2017	71
UIWebView get vertical height	Mar 31th, 2017	72
Threads Helper	Feb 27th, 2017	137
Identifies if is running from the device or simulator	Jul 20th, 2016	255
Standardize AFNetworking calls	Apr 21th, 2016	222
UILabel correct way to padding left/right	Apr 18th, 2016	62
Performance examination procedure	Mar 18th, 2016	236
Cancellable dispatch_after	Mar 04th, 2016	257
Scroll direction pulses with a value sensitivity	Mar 03th, 2016	235
How to get router IP address in Objective-C	Feb 27th, 2016	225
Change value of existing NSLayoutConstraints	Feb 18th, 2016	225
Block execution on main thread	Feb 16th, 2016	228
Correct way for to scroll after of reloadData completion	Feb 09th, 2016	247
Convert GMT date to Italian date	Nov 23th, 2015	267
Get duration of streaming	Nov 23th, 2015	203
Capture an image of a view not yet displayed	Jul 09th, 2015	335
Obfuscate Class and methods in Objective-C	Jun 18th, 2015	404
Validate a email from a string	Apr 23th, 2015	404
Convert URL to a Tiny URL	Apr 23th, 2015	562
Thumbnail image from ALAsset with a category	Apr 23th, 2015	421
Convert video to MP4 from a URL	Apr 23th, 2015	440
Save jpeg image from CGImageRef	Apr 23th, 2015	382
Capture a screenshot from mov video types	Apr 23th, 2015	359
Get informations of the certificate (OS X)	Feb 22th, 2015	480
Check valid MPMoviePlayerController video URL	Nov 10th, 2014	300
AVPlayer verify streaming when stalled	Oct 29th, 2014	319
Detect the type of iPhone Device independent from iOS vers	Oct 18th, 2014	344
Convert property names in a text string with their value	Oct 10th, 2014	333
Generate a unique id of a NSObject	Oct 08th, 2014	321
iOS8: correct screen bounds	Oct 02th, 2014	240
How to check the end of an audio (AVPlayer)	Sep 29th, 2014	301
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	390
Get list of all interfaces on the iPhone - iPad Device	Aug 26th, 2014	401
Settings from a PLIST file	Jul 25th, 2014	399
Loading the XIB dependent on the device	Jul 09th, 2014	376
NSObject set property values with NSDictionary	Jul 07th, 2014	401
Convert NSObject to NSDictionary	Jun 23th, 2014	437
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	408
Fixes crash in case of missing of the partial KeyPath	May 23th, 2014	335
fix for crash when called the reloadData of a UITableView	Apr 29th, 2014	368
Capture blurred UIView	Apr 23th, 2014	212
NSDictionary to JSON	Apr 04th, 2014	225
Time difference between two dates	Mar 14th, 2014	249
How to never block the interface with NSOperation	Mar 13th, 2014	261
NSError from NSException	Feb 05th, 2014	242
Filter an NSArray of NSDictionary with NSPredicate	Jan 23th, 2014	210
UILabel text size fit macro	Jan 16th, 2014	259
UILabel and text size for iOS 7	Dec 12th, 2013	291
Convert Unicode string into readable string	Dec 10th, 2013	230
UIWebVew Video Autoplay	Dec 03th, 2013	262
iOS SOAP client engine	Aug 31th, 2013	297
MD5 encode NSString	Aug 30th, 2013	227
Fix for Fecebook SDK when retrieving user permissions	Aug 30th, 2013	212
SHA1 encode NSString	Aug 23th, 2013	220
How to create a perfect circle UIView	Jul 17th, 2013	483
How to retrieve the current displayed viewcontroller	Jul 11th, 2013	224
How to put an image and a bottom text together in a UIButton	Jul 02th, 2013	293
How to invoke a method in a class via their string names	Jun 26th, 2013	216
Icon with symbol of the beta version	Jun 23th, 2013	205
UIWebView asynchronous javascript call	Jun 19th, 2013	272
Random numbers and random boolean values	Jun 14th, 2013	507
How to manage the image asynchronously from a UIImagePicker	Jun 10th, 2013	218
SDWebImage extended with alternate URL	Jun 05th, 2013	268
UIImage from icon app	Jun 05th, 2013	272
User-Agent for all UIWebView in your app	Jun 04th, 2013	277
Set property values ​​from a NSDictionary	Jun 04th, 2013	499
Force Facebook Logout	May 20th, 2013	369
How to use GDC for create a singleton class	Apr 05th, 2013	231
Play Audio Streaming in Backgrund mode	Apr 02th, 2013	259
How to load Twitter Timeline Widget in a UIWebView	Mar 31th, 2013	625
Remove unused characters in a NSString	Mar 29th, 2013	224
UIWebView transparent and scrollbar hidden	Mar 04th, 2013	286
Add a Gift Shop with your personalized images	Mar 02th, 2013	244
Cocos2D and Google Analytics Category	Feb 21th, 2013	453
Fix GameCenter on Cocos2D v2 and iOS 6	Feb 15th, 2013	304
Facebook Token to exchange app information	Nov 27th, 2012	234
Get file list with NSPredicate	Nov 13th, 2012	253
Singleton with Grand Central Dispatch (GCD)	Nov 08th, 2012	288
[self retain] with ARC and without warning	Nov 07th, 2012	445
How to use NON-ARC Lib on ARC project	Nov 07th, 2012	268
Remove observe notification and release all properties	Sep 15th, 2012	251
Two or more UIButton on UINavigationBar	Sep 07th, 2012	274
More useful macros	Sep 06th, 2012	282
How to debug EXC_CRASH (SIGTRAP)	Sep 03th, 2012	407
XCode 4.2 with iOS SDK 5.1	Aug 27th, 2012	281
Add text to image	Aug 19th, 2012	544
Swizzle Method	Aug 01th, 2012	358
Swizzeling Hack (FB example)	Jul 20th, 2012	226
Make Categories Loadable	Jul 10th, 2012	246
Loggin (NSLog) only in Debug mode	Jul 08th, 2012	241
Comparison of the primitive C type stored in NSNumber	Jun 27th, 2012	220
NSDictionary to XML NSString	Jun 23th, 2012	305
cocos2d: menu level in Angry Birds style	Jun 18th, 2012	524
How to include ttf fonts to iOS app	May 21th, 2012	272
Sorting by block	May 21th, 2012	207
Create movie from array of images	May 21th, 2012	244
UIColor from hex	May 21th, 2012	223
Easy custom back button	May 21th, 2012	204
Add a gift shop to your iOS application	May 17th, 2012	207
a nice Web Browser with basic UI not invasive functions	Apr 22th, 2012	238
How to disable ARC for one or more file	Apr 04th, 2012	217
How to enable automatic observer notification	Apr 03th, 2012	252
Copy object with property values	Apr 01th, 2012	370
ReviewEngine	Mar 28th, 2012	236