Recent questions tagged iPhone

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iphone - How to trim the video file and convert to 15 seconds video with iOS SDK?

I want to trim a video file. I want to just pick the video from a gallery and convert it to a 15-second ... 15 seconds. How can I achieve 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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503 views

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iphone - Cannot connect to iTunes store error

Well, I'm having this issue now. I'm using MKStoreKit in my in-app purchase. This are my errors: Failed ... connect to iTunes Store} Any idea? See Question&Answers more detail:os...

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

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410 views

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iphone - UISegmentedControl with Image and Title

I am using a UISegmentedControl inside a UIToolBar as button. I can't use a normal UIButtonBarItem, because ... (size); } } See Question&Answers more detail:os...

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

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424 views

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iphone - How to use "open in..." feature to iOS app?

I'm not looking to add my app to the "open in..." list, but to get the list itself. And sending the ... app is installed on each devices... See Question&Answers more detail:os...

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

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547 views

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iphone - [NSNull isEqualToString:]

Im trying to set a string to "No Display name if [object objectForKey@"display_name"] is NULL". It ... = [displayNameString uppercaseString]; } See Question&Answers more detail:os...

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

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409 views

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iphone - NSArray of int[]

I am needing to store a heap of int[] for my levels. I decided that storing the int[]'s in an NSMutableArray ... to get a random one of these. See Question&Answers more detail:os...

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

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515 views

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iphone - Core Data data model: attribute type for UIColor

I'm just starting out with Core Data and right now I'm building my data model. I need a UIColor attribute ... it to Undefined or what? 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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684 views

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iphone - Objective-C - Checking if URL exists

I have a for-loop that currently loops 4 times. //Add all the URLs from the server to the array ... continue program execution? Thanks, Jack See Question&Answers more detail:os...

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

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374 views

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iphone - Play iPod playlist retrieved from a saved persistentid list

I saved the persistent ID of the songs selected with media picker, now I'm trying to crate the queue to ... ]; [currentQueue release]; 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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464 views

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iphone - locationServicesEnabled test passes when they are disabled in viewDidLoad

I have location services disabled for my application in the settings panel. I run a test in viewDidLoad in my view ... I using the wrong 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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410 views

1 answer

iphone - Could i build a ARC framework and use it in a non-ARC project?

I think the title explains my question pretty well, I'm currently working on a small framework for my personal ... that were built before ARC? See Question&Answers more detail:os...

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

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468 views

1 answer

iphone - Facebook FQL multiquery in iOS SDK

I am looking for some documentation or sample code on how to send multiquery fql requests to Facebook via iOS ... would be very 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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498 views

1 answer

iphone - Custom back button on navigation bar

In my application there are many UIViewControllers with UINavigationControllers. There must be a "back" button and ... on iPhone Navigation Bar 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 - ScrollOffset in UIWebView?

I'm having a really hard time understanding delegates and object inheritance (if I may use this word) and I ... lovely. Thank you 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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383 views

1 answer

iphone - Error from Debugger: Previous frame inner to this frame (gdb could not unwind past this frame)

I am getting the following debugger error when I encounter a breakpoint on the device: Error from Debugger: Previous frame ... 3, iOS 4.0.1. See Question&Answers more detail:os...

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

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458 views

1 answer

iphone - UIKeyboardTypeNumberPad without a done button

How can we implement UIKeyboardTypeNumberPad so that it will have a 'done' button? By default it does not have one. See Question&Answers more detail:os...

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

0 votes

406 views

1 answer

iphone - Sticky search bar and section header behavior similar to native Contacts app

I'd like to replicate the sticky behavior of the search bar in the iPhone Contacts app. When the user scrolls ... a solution to this problem. See Question&Answers more detail:os...

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

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552 views

1 answer

iphone - MPMediaQuery search for Artists, Albums, and Songs

How can I search the iPod Library in the same manner as the iOS Music application? I want to make general ... but this seems very inefficient! See Question&Answers more detail:os...

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

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691 views

1 answer

iphone - Is it possible to customize UITabBarItem Badge?

The question below is similar as mine. How to use a custom UIImage as an UITabBarItem Badge? Is it ... to change UITabBarItem badge color See Question&Answers more detail:os...

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

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406 views

1 answer

iphone - Code Sign error: a valid provisioning profile matching the application's Identifier ... could not be found

I have been fighting this issue for days now and about to beat my head against the wall and put myself ... code signing/app submission hell! See Question&Answers more detail:os...

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

0 votes

461 views

1 answer

iphone - Determine orientation of photos in JavaScript?

We're using FileReader to get an image, from a photo taken on an iPhone, into the browser. We then ... to successfully read the orientation. See Question&Answers more detail:os...

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

0 votes

514 views

1 answer

iphone - Loading a UIView subclass from NIB size issues

I have a subclass of UIView that needs to calculates it's height according to it's width. When created in ... do. Any help will 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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309 views

1 answer

iphone - When to use properties in objective C?

I have a question here: Confusing double free error message/memory leak in iPhone app which I think needs a ... properties here and why? Thanks See Question&Answers more detail:os...

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

0 votes

509 views

1 answer

iphone - Retina icons (@2x) aren't being used when images are specified in code

I place a play.png image onto my view. When the view initially loads, the iPhone 4 grabs the corresponding ... all you smarties out there. See Question&Answers more detail:os...

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

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368 views

1 answer

iphone - Storyboards orientation support for xCode 4.2?

I upgraded to xCode 4.2 and it's new Storyboards feature. However, could not find a way to support both ... from his answer. Thanks Taylor. See Question&Answers more detail:os...

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

0 votes

462 views

1 answer

iphone - How can I open an iframe in a phonegap/cordova app running on IOS?

I have a webapp that I'm using with PhoneGap/Cordova to install in iOS and Android. At one point in the app ... what I might be doing wrong? See Question&Answers more detail:os...

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

0 votes

388 views

1 answer

iphone - How can I open an iframe in a phonegap/cordova app running on IOS?

I have a webapp that I'm using with PhoneGap/Cordova to install in iOS and Android. At one point in the app ... what I might be doing wrong? See Question&Answers more detail:os...

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

0 votes

481 views

1 answer

iphone - How can I open an iframe in a phonegap/cordova app running on IOS?

I have a webapp that I'm using with PhoneGap/Cordova to install in iOS and Android. At one point in the app ... what I might be 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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