2014/10/15 下午 10:09:35

iphone Programming Glossary: gist

What happens if I don't retain IBOutlet?

http://stackoverflow.com/questions/1250518/what-happens-if-i-dont-retain-iboutlet

happens if I don't retain IBOutlet If I do this @interface RegisterController UIViewController UITextFieldDelegate IBOutlet UITextField usernameField instead of this @interface RegisterController.. UIViewController UITextFieldDelegate IBOutlet UITextField usernameField instead of this @interface RegisterController UIViewController UITextFieldDelegate UITextField usernameField @property nonatomic retain IBOutlet UITextField.. for clarity and consistency. The details are spelled out in the Memory Management Programming Guide . The basic gist is when your NIB objects are unarchived the nib loading code will go through and set all of the IBOutlets using setValue..

Screen height compatible in iphone5 and iphone4 [duplicate]

http://stackoverflow.com/questions/12543264/screen-height-compatible-in-iphone5-and-iphone4

Drag UIView around Shape Comprised of CGMutablePaths

http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths

Reliably opening App Store links from a UIWebView

http://stackoverflow.com/questions/1453711/reliably-opening-app-store-links-from-a-uiwebview

uiwebview share improve this question I found this Technical Q A from Apple that answers my question The basic gist is this phobos.apple.com links constructed properly will redirect directly to the App Store app. itunes.apple.com links..

Importing an SSL cert under the iPhone SDK

http://stackoverflow.com/questions/1746005/importing-an-ssl-cert-under-the-iphone-sdk

from a URL. The Mac desktop supports intermediate certificate fetching but not the current iPhone OS. Here's the gist of the actual code OSStatus err NSString path NSData data SecCertificateRef cert path NSBundle mainBundle pathForResource..

iPhone GPS in background never resumes after pause

http://stackoverflow.com/questions/17484352/iphone-gps-in-background-never-resumes-after-pause

which has had a response from an Apple developer. I won't repost it directly here since it is a private forum but the gist is that the location pausing is for instances when the user forgets that they have got a location aware app running and..

Moving status bar in iOS 7

http://stackoverflow.com/questions/19007694/moving-status-bar-in-ios-7

. Does anybody knows how to Thanks iphone ios objective c ios7 statusbar share improve this question The gist of it is to use this method introduced in iOS 7 https developer.apple.com library ios documentation uikit reference UIScreen_Class..

A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7

http://stackoverflow.com/questions/19943183/a-complete-solution-to-locally-validate-an-in-app-receipts-and-bundle-receipts-o

SHA1 data.bytes data.length expectedHash.mutableBytes return expectedHash isEqualToData self.hash And that's the gist of it. I might be missing something here or there so I might come back to this post later. In any case I recommend browsing..

How can I skip compressing one PNG?

http://stackoverflow.com/questions/2051947/how-can-i-skip-compressing-one-png

is set to a device SDK not a simulator SDK you don't want to do this Read the link above for details on why but the gist of it is that the optimization lets the iPhone skip some math that slows down PNG display. Xcode will only optimize PNG..

Is it possible to determine whether ViewController is presented as Modal?

http://stackoverflow.com/questions/2798653/is-it-possible-to-determine-whether-viewcontroller-is-presented-as-modal

How to tint UIBarButtonItem background color?

http://stackoverflow.com/questions/3274473/how-to-tint-uibarbuttonitem-background-color

change the color of UIBarButtonItems independent of the UINavigationBar. In case the link goes down in the future the gist of it is that you create a tinted UISegmentedControl with UISegmentedControlStyleBar with one segment then create a UIBarButtonItem..

Arbitrary Attributes in Core Data

http://stackoverflow.com/questions/3561936/arbitrary-attributes-in-core-data

class method on Entry . This uses a some methods and global functions not shown but hopefully you can get the gist. If not ask and I will clarify. NSInteger entryComparator id entry1 id entry2 void key NSString v1 entry1 valueForPropertyName..

iphone uiview - resize frame to fit subviews

http://stackoverflow.com/questions/3605393/iphone-uiview-resize-frame-to-fit-subviews

resize share improve this question Check out Having trouble getting UIView sizeToFit to do anything meaningful The gist is that sizeToFit is for subclasses to override and doesn't do anything in UIView. It does stuff for UILabel because it..

Create provisioning profile in iphone application

http://stackoverflow.com/questions/368062/create-provisioning-profile-in-iphone-application

application iphone build provisioning user profile share improve this question Agree with above but here is a the gist of it. Register with Apple as an iPhone developer. Give them 100 bucks to get your entrance into the club that can deploy.. build provisioning user profile share improve this question Agree with above but here is a the gist of it. Register with Apple as an iPhone developer. Give them 100 bucks to get your entrance into the club that can deploy apps onto phones...

Custom transition between two UIViews

http://stackoverflow.com/questions/5511514/custom-transition-between-two-uiviews

NO imageView release iphone uiview core animation share improve this question I've done this before. Here's the gist of how I did it View A is on screen Create View B give it a frame that makes it fullscreen but don't add it to the screen..

What's the best way to communicate between view controllers?

http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers

high priorities. All of the best practices they mention for sharing data are part of dependency injection. That's the gist of my response. I'll include an example of using the dependency injection pattern with a controller below in case it's helpful...

How to make a UITableViewCell with different subviews reusable?

http://stackoverflow.com/questions/5746904/how-to-make-a-uitableviewcell-with-different-subviews-reusable

and especially if the cell is not editable consider drawing directly in one subview of the cell 䏭 content view. The gist of this guideline is that when implementing custom table view cells be aware that there is a tradeoff between optimal scrolling..

How to make a uiactionsheet dismiss when you tap outside eg above it?

http://stackoverflow.com/questions/6172212/how-to-make-a-uiactionsheet-dismiss-when-you-tap-outside-eg-above-it

NO So that legit taps on the table bubble up to the tableview self.superview addGestureRecognizer tap tap release The gist of it is to add a gesture recogniser to the action sheet's superview and test all taps to see if they are above the action..

Xcode - UILabel - auto-size label to fit text?

http://stackoverflow.com/questions/8796862/xcode-uilabel-auto-size-label-to-fit-text

'widened' accordingly THANKS iphone objective c ios xcode uilabel share improve this question please check out my gist where I have made a category for UILabel for something very similar my category lets a UILabel stretch it's height to show.. for UILabel for something very similar my category lets a UILabel stretch it's height to show all the content https gist.github.com 1005520 Or check out this post http stackoverflow.com a 7242981 662605 This would stretch the height but you..

iOS 5 Segue not working after the first execution

http://stackoverflow.com/questions/9276836/ios-5-segue-not-working-after-the-first-execution

that we instantiated earlier self dismissModalViewControllerAnimated YES Do other stuff as needed So the gist is to check for credentials when the app loads and if needed call in the Dashboard VC self performSegueWithIdentifier @..