Recent questions tagged iphone

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554 views

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iphone - Update editing style of UITableViewCell depending on contents

I am creating a table-based interface similar to iPad Contacts, in which the user can add to a ... return UITableViewCellEditingStyleNone; } } See Question&Answers more detail:os...

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

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391 views

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iphone - How to create PBKDF2 key on iOS device

I need to create a PBKDF2 key to use in my AES encryption routine in my iPhone Xcode application. I have seen ... need a 128-bit generated key. See Question&Answers more detail:os...

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

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629 views

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iphone - Availability.h, UIKit.h, etc not found

I'm having a great problem here. I recently downloaded Xcode 4.3 from the Mac App Store, because it had the ... . Help will be MUCH appreciated! See Question&Answers more detail:os...

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

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469 views

1 answer

iphone - UITableView Separator Style Question

I have a tableview that is blank by default. User can add cells to it. I want the separator lines to be ... lines are there. Any suggestions? See Question&Answers more detail:os...

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

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466 views

1 answer

iphone - How to store custom objects with struct in Coredata

I have to store a custom class object to Coredata. The problem is my custom class contains structs,enum etc.I ... to Coredata. Please help me. See Question&Answers more detail:os...

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

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288 views

1 answer

iphone - iOS 10.3 beta 3 doesn't persist data of KeychainItem

I have observed behavior of app in iOS 10.2.1 device and iOS 10.3 beta 3 device for https://developer. ... have any alternative to do 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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324 views

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iphone - NSCountedSet - get count of items in set

I have a array of info that has multiple Names that I want to match and count then move to a table view ... MannyIphone [6], iphoneman76 [3]) See Question&Answers more detail:os...

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

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258 views

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iphone - Crash using Aggregate Operation: "ALL" in a Core Data iOS Application

I'm working on an iphone application and I have a simple many-to-many relationship set up with Group and Contact ... . What am I doing 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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401 views

1 answer

iphone - Why is UIView exclusiveTouch property not blocking?

I am launching a simple UIView with a textField - let's call it orderSetNameView - upon a button tap. I wish ... views? What am I missing? See Question&Answers more detail:os...

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

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231 views

1 answer

iphone - How to get title of UITabBarItem in the More section?

I have a UITabBarControllerDelegate method that determines the title of the UITabBarItem and does something accordingly. ... do something } } See Question&Answers more detail:os...

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

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541 views

1 answer

iphone - How to get UIView frame origin and size while animation

I have UIView animation [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:25]; myview.frame = ... way to trace it? See Question&Answers more detail:os...

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

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328 views

1 answer

iphone - Custom UITableViewCell button action?

I've been looking around to find a solution to this, but can't seem to find one that works for me. I have ... .row); } Any tips? 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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437 views

1 answer

iphone - CIGaussianBlur and CIAffineClamp on iOS 6

I am trying to blur an image using CoreImage on iOS 6 without having a noticeable black border. Apple ... :cgimg]; CGImageRelease(cgimg); See Question&Answers more detail:os...

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

0 votes

443 views

1 answer

iphone - viewDidLoad and awakeFromNib timing

It is my understanding that awakeFromNib will always be called before viewDidLoad. So I have a subclass of a ... as I initially expected... See Question&Answers more detail:os...

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

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382 views

1 answer

iphone - Ignoring the dynamic type in iOS: Accessibility

Is there a way to completely ignore dynamic type/font size settings in iOS apps? I mean is there a way like a ... . I am using iOS8. 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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380 views

1 answer

iphone - UINavigationItem titleView "ignored if leftBarButtonItem is set"?

The documentation for UINavigationItem's titleView property says: "This property is ignored if leftBarButtonItem is not nil ... able to test? See Question&Answers more detail:os...

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

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338 views

1 answer

iphone - UITableView : crash when adding a section footer view in empty section

This is the first time I ask a question here, but I have to say this site has been a tremendous help for ... idea why this is happening? Thanks See Question&Answers more detail:os...

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

0 votes

376 views

1 answer

iphone - Batch adding "-fno-objc-arc" flag to (multiple) source files

After converting an Xcode project to ARC (Automatic Reference Counting), I need to disable ARC for some of my ... a smart approach to 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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454 views

1 answer

iphone - NSUbiquitousKeyValueStore error: no valid com.apple.developer.ubiquity-kvstore-identifier entitlement

I'm having a problem integrating iCloud with my app. When I set test out iCloud availability, I receive Success ... in iTunes Connect. Thanks. See Question&Answers more detail:os...

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

0 votes

534 views

1 answer

iphone - Customize UISlider (track image height)

I'm customizing a UISlider. I could set a custom thumb image that is higher than the usual thumb however I could ... here: (source: cocoia.com) See Question&Answers more detail:os...

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

0 votes

356 views

1 answer

iphone - Display video inside the Uiwebview not in device full screen

I want to display video inside the UIWebview. When we click on the video it plays in device full screen. How ... are not bundled along with app See Question&Answers more detail:os...

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

0 votes

540 views

1 answer

iphone - PushViewController Leads To Black Screen

SettingsViewController *viewController = [[SettingsViewController alloc] init]; [[self navigationController] pushViewController: ... the phone. See Question&Answers more detail:os...

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

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235 views

1 answer

iphone - view and viewcontroller

I am a new iphone app developer.I want to know what is the difference between view and viewcontroller. See Question&Answers more detail:os...

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

0 votes

383 views

1 answer

iphone - How to remove programmatically a tab bar item created in parent class NIB file?

Within my iPhone application I have a common tab bar with three tabs that is presented from several views after ... me in the right direction. See Question&Answers more detail:os...

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

0 votes

309 views

1 answer

iphone - Open in + UIDocumentInteractionController : how to filter options in SDK iOS 6 (canPerformActions is deprecated)

Since the new SDK was release (iOS 6), the delegate method documentInteractionController:canPerformAction: of the ... is not possible. See Question&Answers more detail:os...

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

0 votes

807 views

1 answer

iphone - Hide footer view in UITableView

I have been working to hide the footerview for while. My problem is I have a button in footer when I ... button action but its not working. See Question&Answers more detail:os...

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

0 votes

399 views

1 answer

iphone - AudioSessionSetProperty deprecated in iOS 7.0 so how set kAudioSessionProperty_OverrideCategoryMixWithOthers

Need non deprecated alternate to (btw I think this is still in the current apple docs at link): OSStatus propertySetError ... // 3 ); Thanks; See Question&Answers more detail:os...

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

0 votes

387 views

1 answer

iphone - Tried to obtain the web lock from a thread other than the main thread or the web thread. Crashing now

bool _WebTryThreadLock(bool), 0x8053ce0: Tried to obtain the web lock from a thread other than the main thread or ... and were to implement it? See Question&Answers more detail:os...

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

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