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2014/10/15 ¤U¤È 10:04:33

iphone Programming Glossary: becomes

How to make a UITextField move up when keyboard is present

http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present

when the keyboard goes up and down. I'm simply using void textFieldDidBeginEditing UITextField textField Keyboard becomes visible scrollView.frame CGRectMake scrollView.frame.origin.x scrollView.frame.origin.y scrollView.frame.size.width scrollView.frame.size.height..

Lazy load images in UITableView

http://stackoverflow.com/questions/1130089/lazy-load-images-in-uitableview

are being loaded. I tried getting the images in separate threads but I have to load each image every time a cell becomes visible again Otherwise reuse of cells shows old images . Can someone please tell me how to duplicate this behavior. iphone..

CGImage/UIImage lazily loading on UI thread causes stutter

http://stackoverflow.com/questions/1815476/cgimage-uiimage-lazily-loading-on-ui-thread-causes-stutter

them. The loading happens on a background thread. Everything works almost fine except there is a stutter as each image becomes visible. At first I thought my background worker was locking something in the UI thread. I spent a lot of time looking at.. at it and eventually realized that the UIImage is doing some extra lazy processing on the UI thread when it first becomes visible. This puzzles me since my worker thread has explicit code for decompressing JPEG data. Anyway on a hunch I wrote..

UISegmentedControl selected segment color

http://stackoverflow.com/questions/2270526/uisegmentedcontrol-selected-segment-color

of the whole segmented control. The problem is when I select bright color for tintColor property selected segment becomes almost unrecognizable its color is almost the same as the rest of segmented control so its hard to distinguish selected..

iPhone: How to Pass Data Between Several Viewcontrollers in a Tabbar App

http://stackoverflow.com/questions/2363777/iphone-how-to-pass-data-between-several-viewcontrollers-in-a-tabbar-app

Edit To clarify for your specific case you would add the call to the data model when the receiver viewController becomes active. Placing the data in an init method or a viewDidLoad won't work because in a tabbar the users can switch back and..

Disable Auto Zoom in Input “Text” tag - Safari on iPhone

http://stackoverflow.com/questions/2989263/disable-auto-zoom-in-input-text-tag-safari-on-iphone

I made an html page that has an tag with type equals text . When I click in it using Safari on iPhone all the page becomes larger auto zoom . Does anybody know how to disable it iphone html text input zoom share improve this question This..

ApplicationWillTerminate in iOS 4.0

http://stackoverflow.com/questions/3139588/applicationwillterminate-in-ios-4-0

application using iPhone SDK 4 and later you must still be prepared for your application to be terminated. If memory becomes constrained the system might remove applications from memory in order to make more room. If your application is currently..

Apple gyroscope sample code

http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code

is very easy. The inverse of a rotation is just its transpose which means swapping the columns and rows. So the above becomes rotMatrix 0 rot.m11 rotMatrix 4 rot.m21 rotMatrix 8 rot.m31 rotMatrix 12 0 rotMatrix 1 rot.m12 rotMatrix 5 rot.m22 rotMatrix..

How can I pop a view from a UINavigationController and replace it with another in one operation?

http://stackoverflow.com/questions/410471/how-can-i-pop-a-view-from-a-uinavigationcontroller-and-replace-it-with-another-i

but if I try to use the back button on the nav bar I get extra screens some blank and some just screwed up. The title becomes random too. It is like the nav stack is completely hosed. What would be a better approach to this problem Thanks Matt iphone..

Client/Server GKSessions

http://stackoverflow.com/questions/4194394/client-server-gksessions

So ...................... given that you are going to program in a normal everyday client server model. Your first job becomes strangely enough disabling the P2P aspect This is easy enough if you know how. Here's precisely how to do it... sessionMode..

How to create a custom keyboard

http://stackoverflow.com/questions/4643167/how-to-create-a-custom-keyboard

Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?

http://stackoverflow.com/questions/4961386/event-handling-for-ios-how-hittestwithevent-and-pointinsidewithevent-are-r

YES proceeding down the hierarchy until it finds the subview within whose bounds the touch took place. That view becomes the hit test view. So is it like that only hitTest withEvent of the top most view is called by the system which calls pointInside..

Creating a JSON Store For iPhone

http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone

the UI into the object oriented design of an iOS MacOS app. 3 As the data grows more complex Core Data quickly becomes superior. The managed part of managed objects manages complexity in relationships and behaviors. With collections or SQL.. can handle a large static singular table but when you add in hierarchies of tables in which can change on the fly SQL becomes a nightmare. Core Data NSFetchedResultsController and UITableViewController delegates make it trivial. 4 With high complexity..

Lazy load images in UITableViewCell

http://stackoverflow.com/questions/531482/lazy-load-images-in-uitableviewcell

are being loaded. I tried getting the images in separate threads but I have to load each image every time a cell becomes visible again Otherwise reuse of cells shows old images Apps like Facebook load images only for cells currently visible..

UIView vertical flip animation

http://stackoverflow.com/questions/5392629/uiview-vertical-flip-animation

and UIViewAnimationOptionTransitionFlipFromBottom transitions and all this stuff becomes a single method call. These behave analagously to UIViewAnimationOptionTransitionFlipFromLeft and UIViewAnimationOptionTransitionFlipFromRight..

Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init]

http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init

thing as release so the distinction between alloc init and a convenience constructor vending an autoreleased object becomes moot. Also it's now an @autoreleasepool block rather than an autorelease pool pseudo object. share improve this answer..

Last In-First Out Stack with GCD?

http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd

using GCD. However this loads the images in the order they were requested which means during rapid scrolling the queue becomes lengthy and when the user stops scrolling the current cells are the last to get updated. On the iPhone 4 the problem isn't..

iPhone Core Animation - Drawing a Circle

http://stackoverflow.com/questions/7991086/iphone-core-animation-drawing-a-circle

you can imagine drawing a circle. It starts at the top or 12 o clock and draws clockwise all the way around until it becomes a complete circle over the space of 10 or so seconds. The closet I have come to this is to draw a point rotating around..