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2014/10/15 ¤U¤È 10:14:38
iphone Programming Glossary: subHow to correctly setup a NSPredicate for a to-many relationship when using Core Data? http://stackoverflow.com/questions/1347776/how-to-correctly-setup-a-nspredicate-for-a-to-many-relationship-when-using-core is the following one NSPredicate predicateWithFormat @ excludedOccurrences.@count 0 OR 0 SUBQUERY excludedOccurrences sub sub.day @ .@count today In the predicate a subquery is used to test if the number of related excludedOccurrences with a.. the following one NSPredicate predicateWithFormat @ excludedOccurrences.@count 0 OR 0 SUBQUERY excludedOccurrences sub sub.day @ .@count today In the predicate a subquery is used to test if the number of related excludedOccurrences with a date.. @ excludedOccurrences.@count 0 OR 0 SUBQUERY excludedOccurrences sub sub.day @ .@count today In the predicate a subquery is used to test if the number of related excludedOccurrences with a date matching your test date is equal to zero...
http://stackoverflow.com/questions/1816614/viewwilldisappear-determine-whether-view-controller-is-being-popped-or-is-showi Determine whether view controller is being popped or is showing a sub view controller I'm struggling to find a good solution to this problem. In a view controller's viewWillDisappear method..
XCode 5 Crashes on AppStore Validation http://stackoverflow.com/questions/18913964/xcode-5-crashes-on-appstore-validation start 1 iphone ios objective c xcode share improve this question I too got this error and crash in XCode 5 when submitting my archive from the organizer while in Xcode 4.6 I had no issues just weeks before. It seems the real issue is that.. Access keychain login category my certificates. Your certificate must be listed here with a private key in the sub list otherwise you will need to obtain a new certificate. Enter a name and Done. In XCode Preferences Cmd select the Accounts..
http://stackoverflow.com/questions/1934187/oauth-secrets-in-mobile-apps revoke new delegated secrets. Facebook is doing something similar by allowing facebook apps to allow users to create sub apps. There are some talks about the issue online http blog.atebits.com 2009 02 fixing oauth http groups.google.com group..
Set the location in iPhone Simulator http://stackoverflow.com/questions/214416/set-the-location-in-iphone-simulator of iOS 5 the simulator has a configurable location. Under the Debug menu the last entry is Location this gives you a sub menu with None Custom Location Apple Stores Apple City Bicycle Ride City Run Freeway Drive Custom Location lets you enter..
How Do I Take a Screen Shot of a UIView? http://stackoverflow.com/questions/2214957/how-do-i-take-a-screen-shot-of-a-uiview UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext myUIView has dimensions 320x480 an it has some sub views. What is the correct way to do this Thanks in advance. iphone objective c uiview uiimage screenshot share improve..
Drawing formulas with Quartz 2d http://stackoverflow.com/questions/2907045/drawing-formulas-with-quartz-2d I say typesetting equations is not a trivial undertaking. In my case I used Core Animation layers to construct the sub elements of a parsed equation. The equations are constructed hierarchically and the operations that compose them are laid..
Adding the “Clear” Button to an iPhone UITextField http://stackoverflow.com/questions/320078/adding-the-clear-button-to-an-iphone-uitextfield that little X button on the right side of a UITextField that clears the text I can't find an attribute for adding this sub control in Interface Builder in the iPhone OS 2.2 SDK. Note In the iPhone 3.0 and later SDKs you can do this in Interface..
UIDatePicker select Month and Year http://stackoverflow.com/questions/3348247/uidatepicker-select-month-and-year only. I checked the class reference documents. Looks like UIDatePicker is a UIView. I imagined UIPickerView may be a sub view and I can hide the component if I can grab it. But no. That was not possible. Do I have to create my own custom picker.. uidatepicker share improve this question Yeah you probably want to just make your own picker. You don't have to subclass it or anything though just use a generic UIPickerView and return appropriate values from your UIPickerViewDelegate..
Accessing the iPhone's Call log with the iPhone SDK http://stackoverflow.com/questions/341622/accessing-the-iphones-call-log-with-the-iphone-sdk enumeratorAtPath @ private var mobile Library while bar dirnum nextObject Uncomment if you don't want to log sub folders dirnum skipDescendents NSLog bar I have a suspicion that Apple is blocking access to the directory as part of its..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 # First work out the BASESDK version number NB Apple ought to report this but they hide it # incidental searching for substrings in sh is a nightmare Sob SDK_VERSION echo SDK_NAME grep o '. 3 ' # Next work out if we're in SIM or DEVICE if PLATFORM_NAME.. section to the Public section OPTIONAL ...and they will AUTOMATICALLY be exported every time you build the app into a sub directory of the debug universal directory they will be in usr local include OPTIONAL NOTE if you also try to drag drop..
iOS SDK - How to get the status bar back when using UIImagePickerController? http://stackoverflow.com/questions/3542350/ios-sdk-how-to-get-the-status-bar-back-when-using-uiimagepickercontroller SDK How to get the status bar back when using UIImagePickerController As soon as I add a UIImagePickerController sub view to my view the status bar disappears and I can't get it back. Is there any way to keep the status bar visible UIImagePickerController..
How to create subscript characters that's not in Unicode in iOS http://stackoverflow.com/questions/5080175/how-to-create-subscript-characters-thats-not-in-unicode-in-ios to create subscript characters that's not in Unicode in iOS I've been trying for a while now to create a NSString with subscripted character.. create subscript characters that's not in Unicode in iOS I've been trying for a while now to create a NSString with subscripted character without success. Is it even possible to do this in iOS I need a way to change characters in a string to.. character without success. Is it even possible to do this in iOS I need a way to change characters in a string to subscript or superscript and I can't use the Unicode for this as Unicode doesn't have all the letters. My guess could be to..
Responding to touchesBegan in UIPickerView instead of UIView http://stackoverflow.com/questions/567805/responding-to-touchesbegan-in-uipickerview-instead-of-uiview it to work if I put a touchesBegan method on the main View but this only works when the user touches the View. I tried sub classing UIPickerView and having a touchesBegan in there but it didn't work. I'm guessing it's something to do with the.. react to the touch. In other words the view whose touchesBegan withEvent method will be called. The UIPickerView has 9 subviews In the UIPickerView class implementation UIView hitTest CGPoint point withEvent UIEvent event won't return self this.. hitTest CGPoint point withEvent UIEvent event won't return self this means the touchesBegan withEvent you write in the subclass won't be called but will return a subview exactly the view at index 4 an undocumented subclass called UIPickerTable..
iOS CVImageBuffer distorted from AVCaptureSessionDataOutput with AVCaptureSessionPresetPhoto http://stackoverflow.com/questions/6540710/ios-cvimagebuffer-distorted-from-avcapturesessiondataoutput-with-avcapturesessio
Getting the time elapsed (Objective-c) http://stackoverflow.com/questions/741830/getting-the-time-elapsed-objective-c
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su change of view controllers without using navigation controller stack subviews or modal controllers NavigationControllers have ViewController stacks to manage and limited animation transitions... have ViewController stacks to manage and limited animation transitions. Adding a view controller as a sub view to an existing view controller requires passing events to the sub view controller which is a pain to manage loaded.. transitions. Adding a view controller as a sub view to an existing view controller requires passing events to the sub view controller which is a pain to manage loaded with little annoyances and in general feels like a bad hack when implementing..
How can I get a precise time, for example in milliseconds in Objective-C? http://stackoverflow.com/questions/889380/how-can-i-get-a-precise-time-for-example-in-milliseconds-in-objective-c improve this question NSDate and the timeIntervalSince methods will return a NSTimeInterval which is a double with sub millisecond accuracy. NSTimeInterval is in seconds but it uses the double to give you greater precision. In order to calculate..
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