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2014/10/15 ¤U¤È 10:16:05

iphone Programming Glossary: yourself

How to check for an active Internet Connection on iPhone SDK?

http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk

^ NSLog @ Someone broke the internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project.. WWAN. self.hostActive YES break 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter removeObserver..

Declaration/definition of variables locations in ObjectiveC?

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

of type MyClass. myClass.myVar v 1 Since Xcode 4.4 you don't have to declare an instance variable yourself anymore and you can skip @synthesize too. If you don't declare an ivar the compiler will add it for..

iPhone - UILabel containing text with multiple fonts at the same time

http://stackoverflow.com/questions/1417346/iphone-uilabel-containing-text-with-multiple-fonts-at-the-same-time

via sizeWithFont forWidth lineBreakMode Alternatively you can subclass UILabel and draw the text yourself in drawRect. If you do it this way just add an instance variable to tell you how much of the string..

Send and receive messages through NSNotificationCenter in Objective-C? [closed]

http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c

share improve this question @implementation TestClass void dealloc If you don't remove yourself as an observer the Notification Center will continue to try and send notification objects to the deallocated..

Setting direction for UISwipeGestureRecognizer

http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer

the actual direction will always fail when more than 1 direction is allowed. You can see it for yourself quite easily when you output the value of 'direction' in the selector method ie void scrollViewSwiped..

Detect Retina Display

http://stackoverflow.com/questions/3504173/detect-retina-display

this behavior in iOS4.2 for the iPad it returns 1.0 in both 1x and 2x modes. You can test this yourself in the simulator. I test for the displayLinkWithTarget selector method on the main screen which exists..

iPhone App Minus App Store?

http://stackoverflow.com/questions/37464/iphone-app-minus-app-store

or remove applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a custom build..

iPhone Unzip code

http://stackoverflow.com/questions/412982/iphone-unzip-code

really a WinZip file you should have a look at the WinZip specification and try to parse the file yourself. It basically should be parsing some header values seeking the compressed stream position and using..

Text to speech on iPhone [closed]

http://stackoverflow.com/questions/416064/text-to-speech-on-iphone

Is there a way to make drawRect work right NOW?

http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now

bg we have been called here in the foreground to inval self setNeedsDisplay #endif You can see for yourself which methods work and which do not. you can see the bizarre progressive slow down . why does it happen..

Customizing UIAlertView

http://stackoverflow.com/questions/551530/customizing-uialertview

question I think your best bet is to forget customizing UIAlert view and build a custom view yourself. For one what you're showing really isn't an alert so it's counter to what UIAlertView is designed to..

dismissModalViewController AND pass data back

http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back

Delegate protocols are EXTREMELY EXTREMELY EXTREMELY useful. It would do you good to familiarize yourself with them NSNotifications are another way to do this but as a best practice I prefer using it when I..

MKMapView: Instead of Annotation Pin, a custom view

http://stackoverflow.com/questions/9814988/mkmapview-instead-of-annotation-pin-a-custom-view

. If you still want your image annotations to drop you'll have to do the animation yourself. You can search Stack Overflow for animatesdrop mkannotationview and you'll find several answers. Here..

How to check for an active Internet Connection on iPhone SDK?

http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk

the UI on the main thread dispatch_async dispatch_get_main_queue ^ NSLog @ Someone broke the internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's.. NSLog @ A gateway to the host server is working via WWAN. self.hostActive YES break 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter removeObserver self Note There might be an instance using viewWillDisappear..

Declaration/definition of variables locations in ObjectiveC?

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

int v myClass.myVar assuming myClass is an object of type MyClass. myClass.myVar v 1 Since Xcode 4.4 you don't have to declare an instance variable yourself anymore and you can skip @synthesize too. If you don't declare an ivar the compiler will add it for you and it will also generate the accessor methods without you..

iPhone - UILabel containing text with multiple fonts at the same time

http://stackoverflow.com/questions/1417346/iphone-uilabel-containing-text-with-multiple-fonts-at-the-same-time

based on where the first one's text ends. You can get that via sizeWithFont forWidth lineBreakMode Alternatively you can subclass UILabel and draw the text yourself in drawRect. If you do it this way just add an instance variable to tell you how much of the string to draw in one format and draw the rest in another. share improve..

Send and receive messages through NSNotificationCenter in Objective-C? [closed]

http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c

in Objective C iphone objective c ios nsnotificationcenter share improve this question @implementation TestClass void dealloc If you don't remove yourself as an observer the Notification Center will continue to try and send notification objects to the deallocated object. NSNotificationCenter defaultCenter removeObserver..

Setting direction for UISwipeGestureRecognizer

http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer

set for the allowed directions . This means that checks for the actual direction will always fail when more than 1 direction is allowed. You can see it for yourself quite easily when you output the value of 'direction' in the selector method ie void scrollViewSwiped UISwipeGestureRecognizer recognizer . Filed a bug report #8276386..

Detect Retina Display

http://stackoverflow.com/questions/3504173/detect-retina-display

that device does not contain a Retina display. Apple changed this behavior in iOS4.2 for the iPad it returns 1.0 in both 1x and 2x modes. You can test this yourself in the simulator. I test for the displayLinkWithTarget selector method on the main screen which exists in iOS4.x but not iOS3.2 and then check the screen's scale..

iPhone App Minus App Store?

http://stackoverflow.com/questions/37464/iphone-app-minus-app-store

uicache This only has to be done when you add or remove applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a custom build step in your project. Note that if you wish to remove the application..

iPhone Unzip code

http://stackoverflow.com/questions/412982/iphone-unzip-code

Text to speech on iPhone [closed]

http://stackoverflow.com/questions/416064/text-to-speech-on-iphone

Is there a way to make drawRect work right NOW?

http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now

BACKGROUNDMETHOD here the painting is being done in the bg we have been called here in the foreground to inval self setNeedsDisplay #endif You can see for yourself which methods work and which do not. you can see the bizarre progressive slow down . why does it happen you can see with the controversial TOMSWIFT method there..

Customizing UIAlertView

http://stackoverflow.com/questions/551530/customizing-uialertview

rather than text . iphone uialertview share improve this question I think your best bet is to forget customizing UIAlert view and build a custom view yourself. For one what you're showing really isn't an alert so it's counter to what UIAlertView is designed to be for. This means that you're changing the UI paradigm on..

dismissModalViewController AND pass data back

http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back

STRING TO SEND self dismissModalViewControllerAnimated YES Delegate protocols are EXTREMELY EXTREMELY EXTREMELY useful. It would do you good to familiarize yourself with them NSNotifications are another way to do this but as a best practice I prefer using it when I want to communicate across multiple viewControllers or objects...

MKMapView: Instead of Annotation Pin, a custom view

http://stackoverflow.com/questions/9814988/mkmapview-instead-of-annotation-pin-a-custom-view

also commented out since that property only exists in MKPinAnnotationView . If you still want your image annotations to drop you'll have to do the animation yourself. You can search Stack Overflow for animatesdrop mkannotationview and you'll find several answers. Here are the first two Is it possible to call animatesDrop in..

How to check for an active Internet Connection on iPhone SDK?

http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk

dispatch_get_main_queue ^ NSLog @ Someone broke the internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry.. is working via WWAN. self.hostActive YES break 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter removeObserver self Note There might..

Full webpage and disabled zoom viewport meta tag for all mobile browsers

http://stackoverflow.com/questions/11345896/full-webpage-and-disabled-zoom-viewport-meta-tag-for-all-mobile-browsers

to be supported at all. Android 2.3.x 3.x By setting user scalable no you disable the scaling of the viewport meta tag yourself as well. This is probably why your width option is having no effect. To allow the browser to scale your content you need..

Declaration/definition of variables locations in ObjectiveC?

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

myClass is an object of type MyClass. myClass.myVar v 1 Since Xcode 4.4 you don't have to declare an instance variable yourself anymore and you can skip @synthesize too. If you don't declare an ivar the compiler will add it for you and it will also..

iPhone - UILabel containing text with multiple fonts at the same time

http://stackoverflow.com/questions/1417346/iphone-uilabel-containing-text-with-multiple-fonts-at-the-same-time

You can get that via sizeWithFont forWidth lineBreakMode Alternatively you can subclass UILabel and draw the text yourself in drawRect. If you do it this way just add an instance variable to tell you how much of the string to draw in one format..

Send and receive messages through NSNotificationCenter in Objective-C? [closed]

http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c

c ios nsnotificationcenter share improve this question @implementation TestClass void dealloc If you don't remove yourself as an observer the Notification Center will continue to try and send notification objects to the deallocated object. NSNotificationCenter..

Re-Apply currency formatting to a UITextField on a change event

http://stackoverflow.com/questions/2388448/re-apply-currency-formatting-to-a-uitextfield-on-a-change-event

I'll show you how to appropriately update the textfield on user input but you'll have to figure out the localization yourself that part should be easy enough anyway. void viewDidLoad super viewDidLoad setup text field ... #define PADDING 10.0f const..

Setting direction for UISwipeGestureRecognizer

http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer

means that checks for the actual direction will always fail when more than 1 direction is allowed. You can see it for yourself quite easily when you output the value of 'direction' in the selector method ie void scrollViewSwiped UISwipeGestureRecognizer..

Detect Retina Display

http://stackoverflow.com/questions/3504173/detect-retina-display

display. Apple changed this behavior in iOS4.2 for the iPad it returns 1.0 in both 1x and 2x modes. You can test this yourself in the simulator. I test for the displayLinkWithTarget selector method on the main screen which exists in iOS4.x but not..

iPhone App Minus App Store?

http://stackoverflow.com/questions/37464/iphone-app-minus-app-store

be done when you add or remove applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a custom build step in your project...

iPhone Unzip code

http://stackoverflow.com/questions/412982/iphone-unzip-code

files. But if it's really a WinZip file you should have a look at the WinZip specification and try to parse the file yourself. It basically should be parsing some header values seeking the compressed stream position and using zLib routines to decompress..

Text to speech on iPhone [closed]

http://stackoverflow.com/questions/416064/text-to-speech-on-iphone

Record and play audio Simultaneously

http://stackoverflow.com/questions/4215180/record-and-play-audio-simultaneously

Is there a way to make drawRect work right NOW?

http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now

being done in the bg we have been called here in the foreground to inval self setNeedsDisplay #endif You can see for yourself which methods work and which do not. you can see the bizarre progressive slow down . why does it happen you can see with..

Creating a JSON Store For iPhone

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

complexity in relationships and behaviors. With collections or SQL you have manually manage complexity and can find yourself quickly swamped. In fact I have seen people trying manage complex data with SQL who end up writing their own miniature Core..

Customizing UIAlertView

http://stackoverflow.com/questions/551530/customizing-uialertview

share improve this question I think your best bet is to forget customizing UIAlert view and build a custom view yourself. For one what you're showing really isn't an alert so it's counter to what UIAlertView is designed to be for. This means..

dismissModalViewController AND pass data back

http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back

YES Delegate protocols are EXTREMELY EXTREMELY EXTREMELY useful. It would do you good to familiarize yourself with them NSNotifications are another way to do this but as a best practice I prefer using it when I want to communicate..

Why am I having to manually set my view's frame in viewDidLoad?

http://stackoverflow.com/questions/6757018/why-am-i-having-to-manually-set-my-views-frame-in-viewdidload

wish to build your view hierarchy manually the recommended place to do so is in loadView. Since you construct the view yourself in this method you can initialize its frame to whatever you'd like. The size you choose doesn't matter much since UIKit..

Save An Image To Application Documents Folder From UIView On IOS

http://stackoverflow.com/questions/6821517/save-an-image-to-application-documents-folder-from-uiview-on-ios

Any help is greatly appreciated iphone uiimageview save share improve this question It's all good man. Don't harm yourself or others. You probably don't want to store these images in Core Data since that can impact performance if the data set..

MKMapView: Instead of Annotation Pin, a custom view

http://stackoverflow.com/questions/9814988/mkmapview-instead-of-annotation-pin-a-custom-view

only exists in MKPinAnnotationView . If you still want your image annotations to drop you'll have to do the animation yourself. You can search Stack Overflow for animatesdrop mkannotationview and you'll find several answers. Here are the first two..