Recent questions tagged iPhone

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iphone - AdHoc provisioning - what's the easiest way to add a few more devices to an existing project that's still in development?

I have a project that I've been working on for a while. It is a standard Xcode/Objective-C iPhone app. I ... way to do all 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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iphone - In Objective-C Determine if a Property is an int, float, double, NSString, NSDate, NSNumber, etc

I need to determine an object's property (passed by name) type in order to perform deserialization from XML. I ... to do the above comparisons. 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

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iphone - How to handle "Don't Allow" for location manager?

I haven't think of this yet now . Till now whenever device was asking me use location update I was allowing ... . (kCLErrorDomain error 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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318 views

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iphone - Alternative to Singleton in Objective-C for better application design

It seems a lot of Objective-C code is using Singleton nowadays. While a lot of people complaining about Singleton, ... , have a happy Friday. See Question&Answers more detail:os...

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

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349 views

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iphone - Symbol not found: _OBJC_CLASS_$_UIPopoverController

I am having problems with my universal app. I have set the Base SDK to iPhone 3.2 and set the target to ... help me. Best regards, Paul Peelen See Question&Answers more detail:os...

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

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352 views

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iphone - iOS: How to generate a video file via images/audio?

I want use some images and audio files to generate a movie (the image sequence) anyone can give a tip? See Question&Answers more detail:os...

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

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316 views

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iphone - Convert points from image to UIImageView points, contentMode-aware

Let's say I have an image (e.g. 1024 x 768 px) which is displayed in a UIImageView (e.g. 300 x 300 px) ... (more than 10, I think). 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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439 views

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iphone - How to check if UIDocumentInteractionController will fail to open document due to missing external application on iPad?

I am using UIDocumentInteractionController for showing popover menu "Open In..." so that user ... UIDocumentInteractionController can handle. See Question&Answers more detail:os...

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

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556 views

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iphone - How to animate the height change of an section header in UITableView?

I've implemented this method to return the section header height. However, when the height for the section changes, it ... { return 100.0f; } } See Question&Answers more detail:os...

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

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356 views

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iphone - Multiple view controllers on screen at once?

I am trying to wrap my head around controllers in Cocoa Touch. The main problem is that I would like to have more ... to A. Which is ugly. See Question&Answers more detail:os...

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

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396 views

1 answer

iphone - NSArray writeToFile fails

I am trying to save an array, which has some dictionaries inside, to a plist file but it fails. I don't get any ... = Wales; regionID = 23; } ) See Question&Answers more detail:os...

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

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447 views

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iphone - MKOverlay not resizing smoothly

I have added a MKCircle as MKOverlay to my MKMapView. Also I added an UISlider to decide the radius of the ... this? Best regards, Paul Peelen See Question&Answers more detail:os...

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

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344 views

1 answer

iphone - Google Maps iOS SDK Integration not loading maps

I am using Google maps iOS SDK in my iPhone application. I am showing a place mark on the map and it is ... in a comment. 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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352 views

1 answer

iphone - black space in IOS app in 4inch Screen

I am creating an App for IOS7 for both retina 4inch and 3.5 inch, when my target version is IOS7 every ... 7 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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380 views

1 answer

iphone - How to release MPMoviePlayerController?

I have a couple of views that access the movie player. I've put the following code in a method in ... should I be releasing the player? 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 - What is the "stringWithContentsOfURL" replacement for objective C?

I found a tutorial on the net that uses the stringWithContentsOfURL command that is now deprecated as of iPhone OS 3 ... :@","]; 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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399 views

1 answer

iphone - Get last path part from NSString

Hi all i want extract the last part from string which is a four digit number '03276' i:e http://www.abc.com/ ... -gig/03276 how can i do that. 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 - What version of sqlite does iOS provide?

What version of Sqlite does iOS include? See Question&Answers more detail:os...

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

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608 views

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iphone - What does [super viewWillAppear] do, and when is it required?

-(void)viewWillAppear:(BOOL)animated{ //something here [super viewWillAppear]; } Is [super viewWillAppear]; always required ... do you use 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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384 views

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iphone - SDWebImage clearing cache

I'm displaying a list of icons downloaded from the web with text in a table view. The icons can be changed on ... to not to use disk caching? See Question&Answers more detail:os...

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

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436 views

1 answer

iphone - Replace a UIViewController in the UINavigationController hierarchy

I have an iPhone app which uses a standard implementation of UINavigationController for the app navigation. I am ... thoughts? Cheers, Brett See Question&Answers more detail:os...

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

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334 views

1 answer

iphone - UICollectionView does not scroll

I have a UICollectionView set up with a UICollectionViewDataSource that currently provides six items. These are fewer ... Thanks 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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355 views

1 answer

iphone - how can i create custom tab bar ...add custom images in tab bar (without xib changes)

i have one application in that tab bar is custom and also all image is different colors ... how can i ... ..this tabbar has 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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409 views

1 answer

iphone - Push notification guide?

i need a rundown on how to fully utilise the push notification system. Iv read the push notification guide on ... or help. Cheers, Ephist See Question&Answers more detail:os...

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

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337 views

1 answer

iphone - IOSurfaces - Artefacts in video and unable to grab video surfaces

This is a 2-part Question. I have the following code working which grabs the current display surface and creates ... please do post them here. See Question&Answers more detail:os...

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

0 votes

351 views

1 answer

iphone - Applying a texture to stroke a CGContextStrokePath

I am working on making a simple drawing program. So far I am able to stroke the path with a given color ... Thanks in advance for your help! See Question&Answers more detail:os...

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

0 votes

535 views

1 answer

iphone - Drag-n-Drop from UIPopoverController to other UIView

How would I go about implementing dragging and dropping a UIView from UIPopoverController into the back UIView. ... implemented. Thanks, Umer 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

1 answer

iphone - Keyboard Scroll on Active Text Field - Scrolling to Out of View?

I have an application with a view that has text fields from the top of the view to the bottom of the view. ... )textField { activeField = nil; } See Question&Answers more detail:os...

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

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