Recent questions tagged iPhone

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iphone - Update In-House Apps -- iOS Enterprise Developer Program

I am looking for information on the iOS Enterprise Developer Program. From what I read, in-house ... automatically without my intervention? See Question&Answers more detail:os...

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

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iphone - iOS: Audio Recording File Format

I am implementing the Audio recording. It works fine with caf & wave format. But the problem is file ... { [audioRecorder prepareToRecord]; } See Question&Answers more detail:os...

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

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390 views

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iphone - Twitter-esque UITabBarController?

I'd like to make an app that uses a UITabBarController that is similar to the one in the Twitter app for ... that works in the answers. See Question&Answers more detail:os...

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

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532 views

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iphone - How to rotate an UIImageView with CATransform3DRotate make an effect like Door Opening?

I've read and try this article (Opening door effect using Core Animation) And I implement following code in my ... vertical line of the image. 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

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iphone - UIWebView CSS injection using JavaScript

I'm trying to inject a local css file into an UIWebView that finished loading website such as google etc ... :js]; } 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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338 views

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iphone - Is there any danger in leaving NSLog statements when building an app for distribution?

For some reason, during my development cycle I find myself deleting NSLog statements that I had inserted to aid ... I should be worried about? See Question&Answers more detail:os...

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

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542 views

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iphone - High quality UIImage from PDF

I'm converting a PDF page into a UIImage. While doing so, I lose the image quality. Need ... UIGraphicsEndImageContext(); return resultingImage; See Question&Answers more detail:os...

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

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377 views

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iphone - How to draw a rectangle?

I want to draw a filled rectangle in my viewContoller's view. I wrote the code below in viewDidLoad. ... CGContextFillRect(context, rectangle); See Question&Answers more detail:os...

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

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364 views

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iphone - Create layer mask with custom-shaped hole

I've spent too much time trying to figure this out and simply cannot find a workable solution. Situation: 1 ... ]; CGImageRelease( ref ); See Question&Answers more detail:os...

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

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462 views

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iphone - Paging UIScrollView with different page widths

I would like to have a horizontal scrolling UIScrollView with paging enabled. The pages in this scrollview have ... value. Is that 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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392 views

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iphone - How to export shared container of an iOS App with Xcode6.2?

In our iOS app we utilize a shared container to share files between our main iOS app and its extension ( ... if this is even 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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363 views

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iphone - Animation : How to make UIbutton move from right to left when view is loaded?

I have not done any animation stuff with iphone development so far. Can anybody help me how to make UIbutton ... available. Thanks 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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782 views

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iphone - Rotate CGImage taken from video frame

This is Apple's code (from Technical Q&A QA1702) for getting a UIImage from a video buffer. Unfortunately, the image ... ); return (image); } See Question&Answers more detail:os...

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

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495 views

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iphone - Detect if CGPoint within polygon

I have a set of CGPoints which make up a polygon shape, how can I detect if a single CGPoint is inside or ... would do it with an odd shape. See Question&Answers more detail:os...

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

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482 views

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iphone - In-App Purchases cannot be added to this version because it has already been submitted for review.

I am in a bit of a pickle here. I added a new version for my app as I added IAP to it. I've added ... App Purchases button. So what to do now? See Question&Answers more detail:os...

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

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478 views

1 answer

iphone - iOS API detect wireless networks

Is there an API in CocoaTouch/iOS for detecting wireless networks? I want to write an app that saves a list of ... can see at a given moment. See Question&Answers more detail:os...

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

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513 views

1 answer

iphone - Properly zooming a UIScrollView that contains many subviews

I created a zoomable UIScrollView and added 100 subviews to it (tiled). The view scrolls perfectly left and ... not interactive any more). See Question&Answers more detail:os...

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

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489 views

1 answer

iphone - get notification on timezone change in iOS

can my application get any notification when device timezone changed? I want to get a notification when my ... continuously check for timezone. See Question&Answers more detail:os...

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

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314 views

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iphone - What is “category” in Objective-C?

Possible Duplicate: How does a category work in Objective-C? I am just getting started with Objective-C and was ... be of great help. 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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484 views

1 answer

iphone - What's better way to build NSPredicate with to-many deep relationships?

I have three entities: EntityA, EntityB and EntityC connected with to-many relationships. See schema for details: ... ". Best regards, Victor See Question&Answers more detail:os...

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

0 votes

483 views

1 answer

iphone - Prevent iCloud sync of data (using .nosync?)

EDIT: So far, the best I've been able to come up with is a pop-up to ask the user to disable ... :directory]; } return directory; } See Question&Answers more detail:os...

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

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495 views

1 answer

iphone - Remove clear button (grey x) to the right of UISearchBar when cancel button tapped

Right, to begin my question, here's some screenies of the problem already solved by the Spotify app: Spotify's ... it? Thanks again, friends. See Question&Answers more detail:os...

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

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459 views

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iphone - UITableView contentOffSet is not working properly

In viewWillAppear, I have added UISearchBar as my headerview of UITableView. When view loads, I hides UISearchbar under ... can be the mistake. See Question&Answers more detail:os...

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

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397 views

1 answer

iphone - create a json string from NSArray

In my iPhone aplication I have a list of custom objects. I need to create a json string from them. How I can ... ]; and i get empty result. See Question&Answers more detail:os...

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

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405 views

1 answer

iphone - How to add UIView on the top of all views?

I have such code: @interface Alert : UIView { } /* - (void) initWithTitle:(NSString*)title message:(NSString*) ... views). Could you 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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344 views

1 answer

iphone - How to add ARC for specific file?

I created a project without ARC. I want to use a third party SDK in my project. That SDK comes with ARC ... and it comes with ARC support. See Question&Answers more detail:os...

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

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336 views

1 answer

iphone - How to Reload a UITableView While I am Looking at It

When I have a UITableView as part of the visible view controller, how can I reload it so that the data I am ... the data until I scroll 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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404 views

1 answer

iphone - Returning nil in the init in Objective C code

In the case, if we return nil in the init method, what's happening with retain count and who is going to ... such case or do something else? See Question&Answers more detail:os...

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

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