Recent questions tagged iPhone

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iphone - CoreGraphics for retina display

I am using the following code to perform some manipulations on the image that I loaded, but I find that the ... advance for your help Best, DV See Question&Answers more detail:os...

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

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311 views

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iphone - iOS 4: Remote controls for background audio

I'm currently attempting to set up background audio for an app I'm developing for iOS 4. The app doesn't ... causes the song to play twice. See Question&Answers more detail:os...

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

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329 views

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iphone - removing provisioning profile from xcode

How can I remove a previously installed development provisioning profile from xcode? See Question&Answers more detail:os...

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

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734 views

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iphone - NSGenericException', reason: 'Push segues can only be used when the source controller is managed by an instance of UINavigationController

so I'm making an app with 5 view controllers, the first is embedded in a UINavigationController and the ... idea whats causing this? 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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298 views

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iphone - Read Text file Programmatically using Objective-C

I am new to iPhone Programming I want to read the content of text file which is in my Resourse folder. i ... for doing this task. Please suggest See Question&Answers more detail:os...

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

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456 views

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iphone - How can I find the device uuid's of all connected devices through a command line script?

I am running automated tests on iOS devices. I want to not have to always have all devices connected. So I ... through a shell script? 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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iphone - Background image for navigation view

I am having problems with properly displaying background image of navigation view. Here is the pic: Here is the ... the whole navigation view? See Question&Answers more detail:os...

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

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232 views

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iphone - Draw glow around inside edge of multiple CGPaths

If I create a CGMutablePathRef by adding together two circular paths as shown by the left image, is it possible ... image? Thanks for any 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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379 views

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iphone - accessing UIImage properties without loading in memory the image

As you know the iphone guidelines discourage loading uiimages that are greater than 1024x1024. The size of the images ... that? thank you all See Question&Answers more detail:os...

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

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256 views

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iphone - I keep on getting "save operation failure" after any change on my Xcode Data Model

I started using Core Data for iPhone development. I started out by creating a very simple entity (called ... after changing model version. 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 - AFNetworking and No Internet Connection scenario

I use AFNetworking in my app for every request (like login, get data from url, etc). Take this for example: ... 's connection or not? 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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345 views

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iphone - Adding button to left of UISearchBar

I am tearing my hair out on this one. My client wants to add a button to the left of a search bar like ... you in advance for your help. Erik See Question&Answers more detail:os...

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

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247 views

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iphone - iOS -- how do you control the size of a modal view controller?

I am presenting a modal view controller. If it matters, it is scrolling up from the bottom. How can I ... release]; [super viewDidLoad]; } See Question&Answers more detail:os...

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

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565 views

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iphone - Xcode 'CodeSign error: code signing is required'

I've been working on an iPhone project with iOS 4.0. I just downloaded Xcode 3.2.4 with iOS SDK 4.1 so ... as to what I could be missing here? See Question&Answers more detail:os...

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

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284 views

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iphone - Laying out & sizing of subviews in a UIViewController

I have an app with with a UITabController and each tab is a UINavigationController. The root of one of my ... by not hardcoding any sizes. See Question&Answers more detail:os...

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

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294 views

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iphone - is there any way to distribute ios applications outside app store?

Is there any way to distribute ios applications through my own website, not using app store? I mean is there any ... make sure of it. Thank You See Question&Answers more detail:os...

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

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301 views

1 answer

iphone - Detecting UIScrollView page change

Is there a way to detect or get a notification when user changes the page in a paging-enabled UIScrollView? See Question&Answers more detail:os...

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

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571 views

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iphone - How do I force a UITextView to scroll to the top every time I change the text?

OK, I'm having some problem with the UITextView. Here's the issue: I add some text to a UITextView. ... . Any suggestions would be 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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301 views

1 answer

iphone - iOS 6 breaks GeoLocation in webapps (apple-mobile-web-app-capable)

I have an app that does a simple textbook navigator.geoLocation.watchPosition(...) that works great in iOS 5. ... mobile-web-app-capable/webapp. 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

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iphone - Making two UIScrollViews follow each others scrolling

How would I make two scroll views follow each others scrolling? For instance, I have a scroll view (A) on ... there another method 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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398 views

1 answer

iphone - Loading custom UIView from nib, all subviews contained in nib are nil?

I have a custom UIView object with a nib that defines the view/subview layout. My outlets are connected, and when ... of the situation at all? See Question&Answers more detail:os...

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

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341 views

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iphone - Facebook share content only shares URL in iOS 9

Share FBSDKShareLinkContent with FBSDKShareDialog works fine in iOS 8 but fails to share imageURL, contentTitle, ... by @sophie-fader See Question&Answers more detail:os...

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

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411 views

1 answer

iphone - WebSockets over a 3G connection

I've been playing with Socket.io, node.js and WebSockets, all of which I can get working fine over a ... that I'm attempting the impossible. See Question&Answers more detail:os...

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

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290 views

1 answer

iphone - Finding out whether a string is numeric or not

How can we check if a string is made up of numbers only. I am taking out a substring from a ... myString substringWithRange:NSMakeRange(2,3)]; See Question&Answers more detail:os...

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

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434 views

1 answer

iphone - How to get NSDate day, month and year in integer format?

I want to get the day, month and year components of NSDate in integer form i.e. if the date is 1/2/1988 ... and seems to be deprecated by 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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402 views

1 answer

iphone - presentModalViewController:Animated is deprecated in ios6

I am using the following code for an image picker. But when I run it in the simulator, I ... [picker dismissModalViewControllerAnimated:YES]; } See Question&Answers more detail:os...

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

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609 views

1 answer

iphone - Where are iOS simulator screenshots stored?

I have saved some screenshots in the iPhone Simulator running iOS 5, but I can't find them. I had this ... - I want normal screenshots. See Question&Answers more detail:os...

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

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451 views

1 answer

iphone - Convert Excel document (xls) to a plist

I have a pretty straightforward Excel spreadsheet, and I need to use the data in an iPhone app. The xls ... one to the other, programmatically? See Question&Answers more detail:os...

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

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