Recent questions tagged Iphone

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iphone - How to hide a section in UITableView?

There are some section in the table that does not contain any data and would like to hide that section. How to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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345 views

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iphone - Hiding status bar iOS 7

Can't hide status bar on view controller on ios 7 device. Already tried setting through plist file and also in ... :YES];//Doesn't help See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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313 views

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iphone - Rotating an image context (CGContextRotateCTM) causing it to become blank. Why?

#define radians(degrees) (degrees * M_PI/180) UIImage *rotate(UIImage *image) { CGSize size = image.size;; ... be wrong? Out of ideas. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

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iphone - Core Data - How to fetch an entity with max value property

I have a entity Person with a property personId (personId is unique) How can I fetch the Person with the max ... not the value of the property) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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289 views

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iphone - AVAudioRecorder throws errors

I use AVAudioRecorder to record, it worked fine on iOS 4 devices, but yesterday we found out recording is broken on ... and how to fix this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

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iphone - iOS - How to know when NSOperationQueue finish processing a few operations?

I need in my application to download directories and their content. So I decided to implement a NSOperationQueue and I ... idea ? Thanks a lot See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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300 views

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iphone - Provide Base Data for Core Data Application?

I'm working on a Core Data app (for iPhone 3.0, though I don't think that really makes a difference here ... and have to parse through it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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351 views

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iphone - Calling C++ method from Objective C

I have the following files. foo.h (C++ header file) foo.mm (C++ file) test_viewcontroller.h (objective c ... can make.Can you please explain? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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346 views

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iphone - Save UIView's representation to file

What is the easiest way to save UIView's representation to file? My solution is, UIGraphicsBeginImageContext(someView.frame ... way to do this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

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iphone - how can I distinguish which part of UITableViewCell has been clicked

I have created a UITableView with a custom UITableViewCell. My cell includes one UIImageView on the left and ... the cell editing action. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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459 views

1 answer

iphone - iPad: Animate UILabels color changing

I have a label which pops up displaying points in my application. I am using the following code to ... greenColor]; [UIView commitAnimations]; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

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iphone - iPad background for div blocks not spanning entire width of screen

I've had a continued problem with div blocks stretching along the entire width of my iPad's screen. It seems to ... area. Anyone have any idea? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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334 views

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iphone - Key Value Observing with an NSArray

I've looked on SO for examples of using Key Value Observing with an NSArray (or NSMutableArray) and apparently you ... , is there another way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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402 views

1 answer

iphone - Core data many-to-many relationship - Predicate question

In my Core Data model I have two entities: List and Patient. List has an attribute called 'name'. A ... used relationships before in Core Data. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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266 views

1 answer

iphone - Is it possible to find out itunes link for iOS application before it being submitted to appstore?

In my application I need to have one link which is directly conncect to the app store and it is the link of my ... let me know how to do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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269 views

1 answer

iphone - What is the right choice between NSDecimal, NSDecimalNumber, CFNumber?

I've read a lot about NSDecimal, NSNumber, NSNumberDecimal, CFNumber... and it begins to be a kind of jungle to ... you very much for your help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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316 views

1 answer

iphone - CGRectIntegral what is the usage of it?

How does one use the CGRectIntegral function? I understand it's purpose. The documentation isn't clear on it's exact use. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

1 answer

iphone - How can I dynamically hide a button from a view?

I would like to dynamically hide a button in one of my views depending on a certain condition. I tried ... this is a UIBarButtonItem instance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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342 views

1 answer

iphone - MKAnnotation image offset with custom pin image

I have a MKAnnotation with an custom pin image. However the pin(MKAnnotationView) centers the image in relation to ... in objective-c? ..fredrik See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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722 views

1 answer

iphone - cordova run with ios error .. Error code 65 for command: xcodebuild with args:

This error occur only when I try to cordova run ios --device Even after cordova build ios command executed, non ... or OS to run this project See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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298 views

1 answer

iphone - How can I create a small Mac app that receives data over the WiFi network from an iOS app?

What I need is to have a simple screen in this Mac app that just prints a string as the iPhone is ... need to use Bonjour or something? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

285 views

1 answer

iphone - How can I add overlay text on a video, then re-encode it?

I want to edit video from my iOS application. I want some text on the source video for language subtitles. I ... iOS application? If so, how? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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414 views

1 answer

iphone - Convert UIWebview contents to a UIImage

I am using a UIWebView to display HTML formatted text. I am not loading a webpage, just supplying a ... UIImage? Thanks for any suggestions See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

1 answer

iphone - Finding the closest point to a given point

I have searched all over for this, but I can't seem to find the best approach to this. I have about 22000 ... But thanks for you input. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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336 views

1 answer

iphone - How do you add more than one UIBarButton on UINavigationItem.rightBarButtonItem (or leftBarButtonItem)?

I have tried this approach/hack: http://blog.blackwhale.at/2009/06/uibuttons-in-uinavigationbar/ The problem is this ... only way to do this! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

357 views

1 answer

iphone - Building openears compatible language model

I am doing some development on speech to text and text to speech and I found the OpenEars API very useful. ... language to work with OpenEars? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

315 views

1 answer

iphone - Is it possible to play video using Avplayer in Background?

I am using Avplayer to show video clips and when i go back (app in background) video stop. How can i ... com/ua/app/speeduptv/id386986953?mt=8 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

805 views

1 answer

iphone - How to build against older iOS versions with the latest Xcode downloads?

I have multiple versions of Xcode installed. I can build my project against older iOS versions by launching old Xcode. ... 3.0 working. How? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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