Recent questions tagged iPhone

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iphone - facebook-ios-sdk logout question

I have seen a lot of questions here regarding the Facebook Graph API but I still haven't find a solution ... behavior' describe above? 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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395 views

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iphone - indentationLevelForRowAtIndexPath not indenting custom cell

I have overridden the tableView:indentationLevelForRowAtIndexPath method in my UITableViewController derived class as follows: ... return cell; See Question&Answers more detail:os...

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

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426 views

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iphone - How to use UIImagePickerController in iPad?

Hi i am working on a universal application (iPhone/iPad). one feature is that i have to select a photo from ... also googled it but in vain. See Question&Answers more detail:os...

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

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382 views

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iphone - Removing time components from an NSDate object using Objective C/Cocoa

I'm trying to write a simple function using Objective C that accepts an NSDate object and returns an ... dateFromComponents:components]; } See Question&Answers more detail:os...

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

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513 views

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iphone - Unable to load image from asset URL

I have a class that stores information about the assets on the phone (images, videos). My class has the ... -91C1-4650-8348-F3FD93D14613&ext=JPG 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

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iphone - Retrieving a filename for an ALAsset

How can the filename be extracted from an ALAsset? Is there a way to get this via the url or some other 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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576 views

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iphone - Custom UITabBar background image not working in iOS 5 and later

I have a simple piece of code that places a background image on the tabBar. UIImageView *imageView = [[ ... Can anyone offer a solution? See Question&Answers more detail:os...

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

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330 views

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iphone - Xcode 4 - clang error

I'm migrating from Xcode 3.5 to Xcode 4 and while I'm trying to Archiving my app for AdHoc distribution. I ... building the project if I do.) See Question&Answers more detail:os...

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

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525 views

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iphone - Re-arrange NSArray/MSMutableArray in random order

I'm using NSArray/NSMutable array to store different objects. Once all the objects are added, I want to re-arrange them ... . How can I 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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475 views

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iphone - QLPreviewController remove or add UIBarButtonItems

I have seen this kind of question a lot on the internet but it seems no one really knows the answer ... alloc] initWithCustomView:toolbar]]; See Question&Answers more detail:os...

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

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553 views

1 answer

iphone - UITableView scroll smooth with certain speed?

I'm building a custom slot machine with a column that exists of a uitableview. When the user pulls a lever ... on my tableView? Thanks already See Question&Answers more detail:os...

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

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307 views

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iphone - Detect what was changed from ABAddressBookRegisterExternalChangeCallback

I am using ABAddressBookRegisterExternalChangeCallback to get the external changes in AddressbookBook of the user. I am ... Thanks in advance. See Question&Answers more detail:os...

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

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387 views

1 answer

iphone - Getting "Using two-stage rotation animation" warning with UIImagePickerController

I wrote simple code to test UIImagePickerController: @implementation ProfileEditViewController - (void)viewDidLoad { [super ... lot in advance! See Question&Answers more detail:os...

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

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370 views

1 answer

iphone - Xcode -- get force_load to work with relative paths

Some libraries require the -all_load linker flag when linking to an Xcode project. However, this leads to a ... information, see this question See Question&Answers more detail:os...

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

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483 views

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iphone - Get X and Y coordinates of a word in UITextView

I asked a developer (TwoLivesLeft, the creators of Codea) how they did syntax highlighting in their app. He replied : ... y of a certain word? See Question&Answers more detail:os...

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

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409 views

1 answer

iphone - Detect when UIGestureRecognizer is up, down, left and right Cocos2d

I have a CCSprite that I want to move around using gestures. Problem is I'm completely new to Cocos2D. I ... in the right direction? 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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370 views

1 answer

iphone - How to properly format currency on ios

I'm looking for a way to format a string into currency without using the TextField hack. For example, i'd like to have ... "52" -> "0.52" 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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487 views

1 answer

iphone - Subview appears underneath superviews layer.border?

I have a UIView in which I define it's border in the following manner: self.layer.borderColor = [UIColor blackColor ... subview go on top of 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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495 views

1 answer

iphone - Split up NSString using a comma

I have a JSON feed connected to my app. One of the items is lat & long separated by a comma. For example: ... the comma. Any advice? 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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548 views

1 answer

iphone - UIBarButtonItem: target-action not working?

I've got a custom view inside of a UIBarButtonItem, set by calling -initWithCustomView. My bar button ... setAction:@selector(deselectAll)]; See Question&Answers more detail:os...

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

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454 views

1 answer

iphone - Opening popup links in UIWebView, possible?

I have a UIWebView which I'm using as an embedded browser within my app. I've noticed that links in ... itself. Is this possible? 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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477 views

1 answer

iphone - CGContextDrawPDFPage taking up large amounts of memory

I have a PDF file that I want to draw in outline form. I want to draw the first several pages on the ... t take up huge amounts of memory? See Question&Answers more detail:os...

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

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448 views

1 answer

iphone - Checking memory allocation in Instruments

I've cleared my app of leaks using the leaks tool, but I still notice that the objectalloc tool jumps up in ... to further debug this? 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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924 views

1 answer

iphone - How to parse an ISO-8601 duration in Objective C?

I'm looking for an easy way to parse a string that contains an ISO-8601 duration in Objective C. The result ... , 24 minutes and 17 seconds. See Question&Answers more detail:os...

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

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447 views

1 answer

iphone - Signer not valid error

I've created an ad hoc build of my app and would like another person to install it. I have their device ID ( ... Any ideas how that can be done? See Question&Answers more detail:os...

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

0 votes

387 views

1 answer

iphone - UIImage imageNamed requires pathForResource?

How necessary is it to search for a path to an image using the NSBundle method pathForResource when creating a UIImage ... to do more than this? See Question&Answers more detail:os...

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

0 votes

420 views

1 answer

iphone - Changing the UINavigationBar background image

I've been trying to change the background image of the UINavigationBar of my application. I tried several ways. ... ? Thanks for your answers! See Question&Answers more detail:os...

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

0 votes

547 views

1 answer

iphone - How can I disable landscape orientation?

I am making an iPhone app and I need it to be in portrait mode, so if the user moves the device sideways, it ... rotate. How can I 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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