2014/10/15 下午 10:07:24

iphone Programming Glossary: don

http://stackoverflow.com/questions/1350654/how-do-i-save-an-uiimage-as-bmp

.bmp extension in iPhone 䏭 document directory Thanks in advance. iphone uiimage share improve this question I don 脌 think BMP is supported on iPhone. Maybe somebody wrote a category for UIImage that does saving into BMP but I don 脌 know.. I don 脌 think BMP is supported on iPhone. Maybe somebody wrote a category for UIImage that does saving into BMP but I don 脌 know about any. I guess You 耱l have to get the bitmap data from the UIImage and write them yourself BMP is quite a simple..

http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph

72 76 x 76 114 x 114 120 x 120 144 x 144 and 152 x 152 icon sizes. Without counting Spotlight and Settings icon if you don 脌 want the OS to interpolate them As per the blog post New Metrics for iOS 7 App Icons . UPDATE As per Apple Guideline App..

Test Driven Design for iPhone Native apps

http://stackoverflow.com/questions/195820/test-driven-design-for-iphone-native-apps

@expectedReq data end end iphone objective c ruby tdd share improve this question I don 脌 know much about Ruby or binary protocols but if You 胩e interested in unit testing on iPhone You might want to check out..

Multiple view controllers on screen at once?

http://stackoverflow.com/questions/2423858/multiple-view-controllers-on-screen-at-once

some kind of pointer to the 𠨑rontmost controller a privileged one to which it sends notifications and such stuff Why don 脌 the other controllers receive them even though their views are on the screen Is having multiple controllers 㙟n screen.. only works with one particular photo. If I moved the code to the A controller things would get messy. The only thing I don 脌 like about the current solution is that I have to manually work around B not being a 𠨑irst class controller. I have to..

Pixel-Position of Cursor in UITextView

http://stackoverflow.com/questions/2633379/pixel-position-of-cursor-in-uitextview

way of getting the position CGPoint of the cursor blinking bar in an UITextView preferable relative to its content . I don 脌 mean the location as an NSRange. I need something around CGPoint cursorPosition It should be a non private API way. Thanks.. return cursor I used NSCharacterSet whitespaceAndNewlineCharacterSet to find word boundaries. This can also be done presumably more efficiently using CTFrameSetter in Core Text but that is not available in iPhone OS 3.1.3 so if you're..

how to quit (exit) an app in iPhone4 sdk

http://stackoverflow.com/questions/3869679/how-to-quit-exit-an-app-in-iphone4-sdk

MobileHIG.pdf People quit an iPhone application by opening a different application. In particular note that people don 脌 tap an application close button or choose Quit from a menu. In iOS 4.0 and later and on certain devices the quitting application..

In App Purchase Crashes on [[SKPaymentQueue defaultQueue] addPayment:payment]

http://stackoverflow.com/questions/4150926/in-app-purchase-crashes-on-skpaymentqueue-defaultqueue-addpaymentpayment

error self finishTransaction transaction wasSuccessful NO else this is fine the user just cancelled so don 脌 notify SKPaymentQueue defaultQueue finishTransaction transaction self updateButtonStatus @ ON #pragma mark #pragma mark.. framework a handle to your object in loadStore when you call SKPaymentQueue defaultQueue addTransactionObserver self I don't see anywhere where you remove self as an observer. Objects that send out notifications usually do not retain their observers..

Help with multi-threading on iOS?

http://stackoverflow.com/questions/4360591/help-with-multi-threading-on-ios

background thread and there 䏭 no catch that I am aware of ie. there 䏭 already an autorelease pool in that thread you don 脌 have to care about run loops etc. After the task finishes the code calls longTaskDidFinish on the main thread 2 so that..

Is there a way to toggle bluetooth and/or wifi on and off programatically in iOS?

http://stackoverflow.com/questions/4518406/is-there-a-way-to-toggle-bluetooth-and-or-wifi-on-and-off-programatically-in-ios

and sell the App or get it up on the App store so conforming with App guidelines on API usage is a non issue. What I don 脌 want to do is jailbreak the devices as I want to keep the core software as shipped. Can anyone point me at some sample..

Extract object (*.o) files from an iPhone static library

http://stackoverflow.com/questions/4578771/extract-object-o-files-from-an-iphone-static-library

lipo CustomiPhoneLibarmv6.a CustomiPhoneLibarmv7.a create output CustomiPhoneLib.a However you don 脌 have to do this for the reason you 脎e mentioned. The linker will only pull object .o files from a library .a if it needs..

what does dollar sign mean in objective-c?

http://stackoverflow.com/questions/4713051/what-does-dollar-sign-mean-in-objective-c

array foo bar baz expands to NSArray arrayWithObjects foo bar baz nil I 联 not sure if it 䏭 worth the trouble. And I don 脌 have a link to the library that provides these macros maybe somebody else does By the way it looks like we will have official..

Making the iPhone vibrate

http://stackoverflow.com/questions/4724980/making-the-iphone-vibrate

kSystemSoundID_Vibrate Both the functions vibrate the iPhone. But when you use the first function on devices that don 脌 support vibration it plays a beep sound. The second function on the other hand does nothing on unsupported devices. So..

When to access property with self and when not to?

http://stackoverflow.com/questions/4884231/when-to-access-property-with-self-and-when-not-to

when I use the property without self and it seems quite random. When I use self my program acts as it should be. I don 脌 get any compiler errors or warnings when I skip self so I guess it is somehow valid syntax iphone objective c ios self.. when you're writing someObject new_val you're just copying the reference to the memory location. No additional work is done there except one assembly instruction. There is one more thing to mention atomic and nonatomic. With atomic the synthesized.. Edit so if you have some variable that is accessed from different threads or and some additional work has to be done e.g. retain raise some flags ... then your choice is property. But sometimes you have a variable that is accessed very..

create uibutton subclass

http://stackoverflow.com/questions/5045672/create-uibutton-subclass

void stopAnimating _activityView stopAnimating @end iphone objective c share improve this question You don 脌 really want to subclass UIButton . It 䏭 a class cluster so individual instances will be something like UIRoundRectButton..

Can I develop iPhone applications using C#.NET on Vista?

http://stackoverflow.com/questions/676291/can-i-develop-iphone-applications-using-c-net-on-vista

I tried to download the SDK from http developer.apple.com iphone index.action but the file has a .dmg extension and I don 脌 know how to open that file. So can I as .NET developer work and develop against iPhone APIs And are there any existing..

How do I apply a stylesheet just to the iPhone (and not IE), without browser sniffing?

http://stackoverflow.com/questions/809532/how-do-i-apply-a-stylesheet-just-to-the-iphone-and-not-ie-without-browser-sni

to the iPhone without doing browser sniffing via the user agent string on the server or via JavaScript. I particularly don 脌 want Internet Explorer to apply the stylesheet. Apple 䏭 suggested code for applying an iPhone specific stylesheet i.e...

How to open preferences/settings with iOS 5.1?

http://stackoverflow.com/questions/9627451/how-to-open-preferences-settings-with-ios-5-1

to replicate this functionality in iOS 5.1 iphone objective c ios ipad ios5.1 share improve this question No I don 脌 know a way to replicate this functionality. But what you can do is file a Radar requesting the restoration. Here is a..

Exit an application or Go to Dash board(main page) programmatically - IOS

http://stackoverflow.com/questions/12195197/exit-an-application-or-go-to-dash-boardmain-page-programmatically-ios

close an app as the standard way to terminate an application is to press the home button or use the multitasking bar Don 脌 Quit Programmatically Never quit an iOS application programmatically because people tend to interpret this as a crash...

What's the difference between an Detail Disclosure Button and an Disclosure Indicator?

http://stackoverflow.com/questions/3078665/whats-the-difference-between-an-detail-disclosure-button-and-an-disclosure-indi

with the list item. Use a disclosure indicator in a row when selecting the row results in the display of another list. Don 脌 use a disclosure indicator to reveal detailed information about the list item instead use a detail disclosure button for..

Is it just the iPhone simulator that is restricted to Intel only Mac's?

http://stackoverflow.com/questions/37822/is-it-just-the-iphone-simulator-that-is-restricted-to-intel-only-macs

need a certified platform to create a submission for the App Store. iphone xcode osx share improve this question Don 脌 Have An Intel Machine But Want To Code For The iPhone Anyway Follow These Steps http 3by9.com 85 share improve this..

UIToolbar height on device rotation

http://stackoverflow.com/questions/5219833/uitoolbar-height-on-device-rotation

. In particular make sure your custom toolbar icons fit well in the thinner bar that appears in landscape orientation. Don 脌 specify the height of a toolbar programmatically. I can see the height changing from 44 points to 32 points in Mail Twitter.. not mention this automatic change of height so am I supposed to change it programmatically even though the HIG says Don 脌 specify the height of a toolbar programmatically iphone ios uitoolbar share improve this question Did u check the..

Suspend the application

http://stackoverflow.com/questions/5360846/suspend-the-application

violation of the iOS Human Interface Guidelines which usually doesn't bode well for getting through the review process Don 脌 Quit Programmatically Never quit an iOS application programmatically because people tend to interpret this as a crash...

Submitting app to app store with xCode4 - summary of key steps - please correct/add

http://stackoverflow.com/questions/5640851/submitting-app-to-app-store-with-xcode4-summary-of-key-steps-please-correct

Very important is the BundleID Bundle ID com.aaa.ccccc remember this BundleID b. Fill in all the other information c. Don 脌 forget to click on 冚eady to load binary in the upper right corner otherwise it will not be shown when validating or submitting..

In app purchases and trial runs?

http://stackoverflow.com/questions/7865658/in-app-purchases-and-trial-runs

to buy a subscription via in app store purchases. However I have read that you will get rejected if you have trials. Don 脌 set time limits on any of the functionality of your app either for run times or life times. Applications that only run.. conform to the guidelines where they have tacitly made an exception. So what I would say to you is this be sensible. Don't have an app that quits automatically when your trial runs out. Think about what would be acceptable to users. It's very..

Close app when internet is not available

http://stackoverflow.com/questions/8003519/close-app-when-internet-is-not-available

call exit(0) in iphone app

http://stackoverflow.com/questions/8491466/call-exit0-in-iphone-app

0 is done Thank you ios iphone objective c exit share improve this question From Apple's Human User Guidelines... Don 脌 Quit Programmatically Never quit an iOS application programmatically because people tend to interpret this as a crash...