Recent questions tagged iphone

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iphone - What do "Dirty" and "Resident" mean in relation to Virtual Memory?

I dropped out of the CS program at my university... So, can someone who has a full understanding of ... a complete imbecile. Thanks guys. 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 - PCM audio amplitude values?

I am starting out with audio recording using my Android smartphone. I successfully saved voice recordings to a PCM ... the data values are. 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 - Can I have a UIBarButtonItem with a colored image?

I have an image that I want to display on a UIBarButtonItem, but for some reason it only shows the ... actually display the image? 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 - UITableView anchor rows to bottom

I have a UITableView that needs to introduce new content from the bottom. This is how a table view behaves ... the UITableView's view space? 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 - Xcode 4 Archive Version Unspecified

I'm trying to build a release version of my iPhone app in Xcode 4 and when it finishes and launches Organizer ... what's causing the 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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267 views

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iphone - OpenGL ES 2d rendering into image

I need to write OpenGL ES 2-dimensional renderer on iOS. It should draw some primitives such as lines and ... image). Thanks 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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iphone - Is there an easy way or library available to let text glow?

I'd like to make a glowing text that looks like if it was shining or emmitting light. Actually this would be ... iPhone SDK that would do it. 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 - How can I use an existing private key to a new iOS development certificate?

For aesthetic reasons, I would like to use the same private key that I used to create my distribution certificate a ... done, and if so, how? 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 - Accessing Core Data SQL Database in iOS 8 Extension (Sharing Data Between App and Widget Extension)

Problem: Unable to access application's Core Data database from within a Widget Extension in the Today View. The app ... create file; code = 2 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 - Xcode4 Linking Problem. File was built for archive which is not the architecture being linked (arm6)

Recently, I switched to Xcode4 and when I compile my project I got following error. ld: warning: ignoring file / ... I do to fix 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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430 views

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iphone - add image to UIBarButtonItem using initWithImage:(UIImage *)image

I would like to know how to set an image to a UIBarButtonItem which will then be added to a UIToolbar, by using ... :@selector(pp:)]; 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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iphone - Convert NSData to String?

I am storing a openssl private Key EVP_PKEY as nsdata. For this I am serializing into a byte stream using the ... on the right track? 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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234 views

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iphone - Storing messages using XMPPFramework for ios?

I'm not sure how to use the XMPPFramework's core data to store incoming messages. Does anyone have any ... against the framework? 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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295 views

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iphone - App store screenshots sizes for all devices

I need screenshots size(App store Screenshot) for iphone 6 and iphone 6 plus.I am unable to get the ... Connect Guide.Thanks 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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415 views

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iphone - UIScrollView, reaching the bottom of the scroll view

I know the Apple documentation has the following delegate method: - (void)scrollViewDidEndDecelerating:(UIScrollView *) ... bounces). 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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347 views

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iphone - Tiled Background Image: Can I do that easily with UIImageView?

I have a fullscreen background image that is tiled, i.e. it has to be reproduced a few times horizontally ... UIImageView my friend for 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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383 views

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iphone - Getting thread id of current method call

Is there a way to print out the current thread id on which the current method is executing on? (objective-c please) See Question&Answers more detail:os...

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

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343 views

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iphone - Views Navigation Using Swipe Gesture

How can I switch views vertically using swipe gestures ? 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 - iOS Multi-Tasking Track GPS Location

I was just wondering if it was possible to make an iOS app that would track your location via GPS while it was ... know and I will remove it) See Question&Answers more detail:os...

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

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478 views

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iphone - Using AVAssetReader to read (stream) from a remote asset

My main goal is to stream a video from a server, and cut it frame by frame while streaming (so that it can be ... ? Thanks a lot for your 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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373 views

1 answer

iphone - AFNetworking 2.0 add headers to GET request

I've just started using AFNetworking 2.0 and I was wondering how I put in headers into a HTTP Get ... would be appreciated. Regards, Mike See Question&Answers more detail:os...

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

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347 views

1 answer

iphone - Codesign error: Certificate identity appearing twice

CodeSign error: Certificate identity 'iPhone Developer: XXXX (12345678)' appears more than once in the keychain. The ... why and which app? See Question&Answers more detail:os...

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

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499 views

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iphone - Default height for section header in UITableView

I want to set the height of the first header in my UITableView. For the other headers I want them ... ; return someDefaultHeight; } 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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305 views

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iphone - How do you create a custom camera view, instead of UIImagePickerViewController?

I created a simple application using UIImagePickerViewController for capturing from the camera, but I'd like to ... and capturing from it? See Question&Answers more detail:os...

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

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336 views

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iphone - Core data, how to get NSManagedObject's ObjectId when NSFetchRequest returns NSDictionaryResultType?

I have an NSFetchRequest which is returning the objects' properties in an NSDictionaryResultType. Is it possible to ... of returned items. See Question&Answers more detail:os...

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

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335 views

1 answer

iphone - Why not use development provisioning instead of ad hoc?

I was under the impression that when you use a development provisioning profile for a build of an app, ... have made some wrong assumptions. See Question&Answers more detail:os...

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

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312 views

1 answer

iphone - Do I have to call addSubview after calling addChildViewController?

I'm trying to create a container view controller using iOS5 and new methods like addChildViewController. Do I have to ... . What do you think? See Question&Answers more detail:os...

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

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246 views

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iphone - @try - catch block in Objective-C

Why doesn't @try block work? It crashed the app, but it was supposed to be caught by the @try block. NSString* ... { NSLog(@"finally"); } See Question&Answers more detail:os...

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

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