2014/10/15 下午 10:15:40

iphone Programming Glossary: usual

http://stackoverflow.com/questions/1247113/iphone-keyboard-covers-uitextfield

or moving the text field farther up the screen iphone keyboard uitextfield share improve this question The usual solution is to slide the field and everything above it up with an animation and then back down when you are done. You may..

Declaration/definition of variables locations in ObjectiveC?

http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec

myVar myVar newVar @end This way you were able to get and set this instance variable from other classes too using the usual square bracket syntax to send messages call methods OtherClass.m int v myClass myVar assuming myClass is an object of type..

Can I give a UIToolBar a custom background in my iPhone app?

http://stackoverflow.com/questions/1941103/can-i-give-a-uitoolbar-a-custom-background-in-my-iphone-app

background in my iPhone app Is it possible to give a UIToolBar a custom background from an image rather than the usual tinted blue black fade out I've tried giving the view a background and setting the opacity of the UIToolBar but that also..

iPhone image stretching (skew)

http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew

However the vector x y z w 1 will be converted to the actual 3D vector x w y w z w before projection if CA follows usual 3D compute graphics rules so you could cheat by using the transform P . . Q x x' . R . S y y' . . 1 . z z' . T . U 1 w'..

How to get the size of a NSString

http://stackoverflow.com/questions/2669063/how-to-get-the-size-of-a-nsstring

to see if it is bigger than a given width of screen case in which I have to crop it and append it with ... getting the usual behavior of a UILabel. string.length won't do the trick since AAAAAAAA and iiiiii have the same length but different sizes..

javascript scroll event for iPhone/iPad?

http://stackoverflow.com/questions/2863547/javascript-scroll-event-for-iphone-ipad

𤤗s shown in Figure 6 1. Similarly scroll with 2 fingers fires onscroll only after you've stopped scrolling. The usual way of installing the handler works e.g. window.onscroll function alert Scrolled See also http developer.apple.com safari..

Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs

http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk

quick shot of how to do this cf. step 7 in the next section. Note that you are now entering some tricky terrain. Your usual Xcode 3.2.3 compiler will no longer be enforcing your compliance to 3.0 only calls nor does it have a simulator for these...

What's the best way to put a c-struct in an NSArray?

http://stackoverflow.com/questions/4516991/whats-the-best-way-to-put-a-c-struct-in-an-nsarray

the best way to put a c struct in an NSArray What's the usual way to store c structures in an NSArray Advantages disadvantages memory handling Notably what's the difference between valueWithBytes.. like that in an NSArray and how do you handle memory in that idiom Please note that I am specifically looking for the usual idiom to store structs. Of course one could avoid the issue by making a new little class. However I want to know how the.. to store structs. Of course one could avoid the issue by making a new little class. However I want to know how the usual idiom for actually putting structs in an array thanks. BTW here's the NSData approach which is perhaps not best... Megapoint..

UIView with rounded corners and drop shadow?

http://stackoverflow.com/questions/4754392/uiview-with-rounded-corners-and-drop-shadow

view with rounded corners and a light drop shadow with no lighting effect . I can do each of those one by one but the usual clipToBounds maskToBounds conflicts occur. iphone ios cocoa touch uiview rounded corners share improve this question..

NSMutableString as retain/copy

http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy

beyond the scope of traditional retain release mechanisms NS Type subclasses could implement another scheme although usual considerations of this are flawed Do I need to consider some other things as well now we get to the NSMutable type details...

iPhone SDK: what is the difference between loadView and viewDidLoad?

http://stackoverflow.com/questions/573958/iphone-sdk-what-is-the-difference-between-loadview-and-viewdidload

self.view property accessor calls loadView if the view isn't currently loaded. There's your infinite recursion. The usual way to build the view programmatically in loadView as demonstrated in Apple's pre Interface Builder examples is more like..

What's the easiest way to resize/optimize an image size with the iPhone SDK?

http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk

a bit smaller to save on space performance. Also some of those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how can I change the quality setting of a JPEG image..

How do I set up a simple delegate to communicate between two view controllers?

http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers

so that we can use it later. @protocol ChildViewControllerDelegate 2. Declaration of the view controller class as usual @interface ChildViewController UIViewController Delegate properties should always be weak references See http stackoverflow.com..

How to download a large file with the iPhone SDK and avoid memory usage issues?

http://stackoverflow.com/questions/623735/how-to-download-a-large-file-with-the-iphone-sdk-and-avoid-memory-usage-issues

a large file in my iPhone application but it crashes every so often because it's using too much memory. I'm doing the usual NSURLConnection usage to append the received data to a NSMutableData object. void connection NSURLConnection connection..

Scrolling with two fingers with a UIScrollView

http://stackoverflow.com/questions/787212/scrolling-with-two-fingers-with-a-uiscrollview

view don't bubble back to UIScrollView through the responder chain i.e. make sure to handle them all 2 respect the usual flow of touch events i.e. touchesBegan than some number of touchesBegan touchesMoved touchesEnded finished with touchesEnded..

Do I always have to call [super viewDidLoad] in the -viewDidLoad method?

http://stackoverflow.com/questions/824695/do-i-always-have-to-call-super-viewdidload-in-the-viewdidload-method

How to trigger MKAnnotationView's callout view without touching the pin?

http://stackoverflow.com/questions/978897/how-to-trigger-mkannotationviews-callout-view-without-touching-the-pin

to trigger MKAnnotationView's callout view without touching the pin I'm working on a MKMapView with the usual colored pin as the location points. I would like to be able to have the callout displayed without touching the pin. How..

How do I focus an HTML text field on an iPhone (causing the keyboard to come up)?

http://stackoverflow.com/questions/979309/how-do-i-focus-an-html-text-field-on-an-iphone-causing-the-keyboard-to-come-up

an iPhone web app and I want to automatically focus a text field when the page is loaded bringing up the keyboard. The usual Javascript input.focus doesn't seem to be working. Any ideas javascript iphone html share improve this question It..