Recent questions tagged objective

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objective c - close UIPopover on rotation with a fadeout animation

The Apple Pages and Numbers apps have popovers (for "tools" etc) that close with a lovely fade out effect ... seen in Pages/Numbers? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Upload Multiple Images to Server IOS

I want to know how to upload multiple images to a server using objective C. Here is the code ... removeOfflineImage:expenseBO]; } Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - App crash only on iPhone Device and not in Simulator

In my app, when I press a button the method called for that button first assigns my textfield texts directly ... the solution for this scenario? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - (cydia dev) Call Answering Screen in iPhone

What would be the class responsible for call answering screen. I think it's a private framework, or even the ... and method to the caller? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Set different supportedInterfaceOrientations for different UIViewControllers

So, as by the question, I use the following code to set userinterfaceOrientation for the viewcontroller. - (BOOL ... by following this link. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Read binary plist into NSDictionary

Is there simple way to parse the binary plist file into the NSDictionary representation? I am searching something ... the binary plist file. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Convert iPad application to iPhone?

I read document about universal app's and i read how to convert iphone application to ipad, but can ... any tutorial for universal application? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - how does the CATransition work?

i have two views,one is aView,another is bView, there is a button on aView,i click the button ,i will jump to ... jump,so what can i do?thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - my NSDateFormatter works only in the iPhone simulator

I use a NSDateFormatter which works fine in the simulator, but I get a nil when I run it in the iPhone. I ... . Any idea what is going wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Hook into incoming call on iPhone?

Is there a way to hook into the incoming phone call event and extract the number? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Custom initializer for an NSManagedObject

According to the docs: You should not override init. You are discouraged from overriding initWithEntity: ... to handle this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - iOS: Is there currently a way to prevent two view controllers being pushed or popped at the same time?

The only solution I have seen was an answer to a stackoverflow question. I posted the link below. The answer I am ... Can't add self as subview See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Release or set to nil retained members

Is it better to set my retained member vars to nil or to release them when I am cleaning up? ... nonatomic, retain) SomeClass* mInstanceVar; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Change from RGB to HSB on iPhone?

I've googled for ages and can't find a way to do this. Anybody got an idea? There is an NSColor way of ... and it's changed into HSB. Ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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913 views

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objective c - What is the point of Protocols?

I've been writing various stuff using protocols as per example code, but also using some third party stuff, and ... camper! Thanks very much. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - UIPageViewController automatic scrolling in iOS

I am making one app, in which PageViewController should scroll in some time interval. Currently I have done till ... { return 0; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Combine two iOS apps into one

I have a situation where two separate companies wish to 'join' their iOS apps together to form a single app (so ... the app 1 code base? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Where does the Finder obtain the "date added" of an item in a folder?

If a folder is placed in the Dock you can sort it by "date added" - this is usually the default for ... FSGetCatInfo) does not contain it. TIA See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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901 views

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objective c - How to add alive object to NSMutableArray and remove them when they're released?

I have class Item and class List (which has an NSMutableArray). Every time class Item is instantiated (and destroyed ... . Thanks for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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942 views

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objective c - Custom sorting using categories and core data - is it supported by the framework?

I'm developing for iPhone iOS 4.0 and I have a list of birthday objects (date + name) stored using Core Data. ... need to do an in-memory sort? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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objective c - iOS : Google Sigin error, Your app is blocked

on time of sign-in from google, this error appears "This app tried to access sensitive info in your Google account. ... { [signin signIn]; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - create an UTF-8 string with BOM

I'm using MD5 function and Base64 Encoding to generate a User Secret (used to login to data layer of the used ... I append the BOM correctly ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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objective c - Proper way to convert char* to NSString without initWithCString?

I'm pulling a listing of results from a SQLite3 database into a UITableView. The code where I pull text from ... working, what should I use? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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964 views

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objective c - NSPredicateEditor & NSExpression - Can the display be different than the value for the predicate?

I have a predicate editor, which the template was generate via the following: NSArray * test = [NSArray ... fields. Is this possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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967 views

1 answer

objective c - Mac (or c++) connection to binary WCF

I've got a WCF service being hosted using TCP/IP (netTcpBinding): var baseWcfAddress = getWcfBaseUri(); host = ... options to making it happen? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

objective c - NSIndexSet "-indexAtIndex:"?

This feels like a dumb question because it seems to me like my use case must be quite common. Say I ... I missing something obvious? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

objective c - NSEnumerator performance vs for loop in Cocoa

I know that if you have a loop that modifies the count of the items in the loop, using the NSEnumerator on a ... and just an old school for loop See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

objective c - Notification in iOS using new Firebase Messaging SDK

Recently google announce the new Firebase SDK with lot more feature. So, I'm looking for the perfect documentation ... Thanks a lot in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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