Recent questions tagged iPhone

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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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341 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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496 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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400 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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480 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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394 views

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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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399 views

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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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474 views

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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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361 views

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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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448 views

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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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607 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)

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351 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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621 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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690 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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501 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)

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370 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)

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458 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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317 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

457 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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346 views

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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)

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384 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

439 views

1 answer

iphone - Change title of MFMailComposeViewController

I'm using MFMailComposeViewController for in-app email in my app, but I'm not able to change ... 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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529 views

1 answer

iphone - beginBackgroundTaskWithExpirationHandler

I am making an application where audio will play in the background. In the following code, bgTask is ... bgTask = UIBackgroundTaskInvalid; } See Question&Answers more detail:os...

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

0 votes

580 views

1 answer

iphone - When does a touchesBegan become a touchesMoved?

When you drag a finger across the iPhone touchscreen, it generates touchesMoved events at a nice, regular 60Hz. However, ... a bug 8 months ago. See Question&Answers more detail:os...

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

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426 views

1 answer

iphone - How to refactor a core data model to make two existing entities inherit from a new abstract entity

With this version of an iPhone app, I'm trying to create a new core data model version in which I'm taking ... need to create a Mapping Model? See Question&Answers more detail:os...

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

0 votes

501 views

1 answer

iphone - UITableViewCell with UITextField losing the ability to select UITableView row?

I am almost done implementing a UITableViewCell with a UITextField in it. Rather then going through CGRectMake and ... Did I miss something? See Question&Answers more detail:os...

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

0 votes

439 views

1 answer

iphone - Adding drop shadow to UITableView

I've a plain UITableView (not grouped) that I want to add a dropshadow to left and to the right. How can I achieve ... :1]; but it doesn't work. See Question&Answers more detail:os...

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

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476 views

1 answer

iphone - Is there an event for when the headphones are unplugged?

During a test, a client noticed that video playback in the iPhone pauses when headphones are unplugged. He wanted ... to make this 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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