Recent questions tagged Iphone

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iphone - iOS MKMapView zoom to show all markers

I'm working with MKMapView and have plotted several points on the map. I have used the MKCoordinateRegion ... work this out programatically? See Question&Answers more detail:os...

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

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262 views

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iphone - Why am I crashing after MKMapView is freed if I'm no longer using it?

I have a MKMapView. Sometimes after my view controller is dismissed, I'll get a EXC_BAD_ACCESS. I turned on ... correct. What's going on? See Question&Answers more detail:os...

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

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465 views

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iphone - Applying a Gradient to CAShapeLayer

Does anyone have any experience in applying a Gradient to a CAShapeLayer? CAShapeLayer is a fantastic layer class, ... way forward? 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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405 views

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iphone - How to overwrite a file with NSFileManager when copying?

I'm using this method to copy a file: [fileManager copyItemAtPath:sourcePath toPath:targetPath error:&error]; I ... renaming doesn't happen? See Question&Answers more detail:os...

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

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347 views

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iphone - How to convert JSON serialized data to NSDictionary

I have used this method, NSDictionary *jsonObject=[NSJSONSerialization JSONObjectWithData:jsonData options: ... table. See Question&Answers more detail:os...

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

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286 views

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iphone - Xcode 4: How do you view the console?

I can't seem to find a way to have the console run (to show NSLog comments) in XCode 4. The normal method ... an idea of how to accomplish 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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433 views

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iphone - Parsing mobileprovision files in bash?

I am tying building a php/bash/mysql system for automating adhoc distribution for iPhone apps. But I want to read ... it to my system. 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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309 views

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iphone - Presenting a modal view controller immediately after dismissing another

I'm dismissing a modal view controller and then immediately presenting another one, but the latter never happens. Here's ... to what's going on? See Question&Answers more detail:os...

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

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386 views

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iphone - What is -[UITableViewDelegate willDisplayCell:forRowAtIndexPath:] for?

In all of my UITableView programming, I've always configured my UITableViewCells in -[UITableViewDataSource tableView: ... vs. the other? See Question&Answers more detail:os...

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

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291 views

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iphone - View got hidden below UINavigationBar iOS 7

Earlier, I was using iOS 6.1 for my project. Recently I have switched to iOS 7. For, a lot of changes I ... ?? Any help would be appreciated.. 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 - URLWithString: returns nil

it may be very easy, but I don't seems to find out why is URLWithString: returning nil here. // ... url = [NSURL URLWithString:stringURL]; See Question&Answers more detail:os...

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

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257 views

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iphone sdk > 3.0 . Video Thumbnail?

From what i have read apple doesnt expose the api to allow developers to get a thumbnail of a movie ... pointers would be greatly appreciated See Question&Answers more detail:os...

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

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350 views

1 answer

iphone - how can I use animation in cocos2d?

I am trying to develop a Roulette game for iPhone. How can I animation (spin) the Roulette board? See Question&Answers more detail:os...

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

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312 views

1 answer

iphone - Recreate recipient bubble behaviour in Mail.app / Three20

Krumelur asked this question about how create a recipient bubble similar to the mail.app. Please see ... questions clarifying the 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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331 views

1 answer

iphone - Get a PDF/PNG as output from a UIWebView or UIView

Is there any way to get the content of a UIWebView and convert it to a PDF or PNG file? I'd like to get ... from a webview to a file. 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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321 views

1 answer

iphone - Transition an existing paid for app to free version with In App Purchase

I have existing users of a paid for app on the App Store. I'd like to transition the app to a free ... App Purchases from within free apps... See Question&Answers more detail:os...

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

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338 views

1 answer

iphone - viewWillAppear for subviews

I have UIScrollView with multiple UIVIew subviews. I would like to update the data that is displayed by each UIView ... get called. 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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364 views

1 answer

iphone - How to change an UILabel/UIFont's letter spacing?

I've searched loads already and couldn't find an answer. I have a normal UILabel, defined this way: UILabel * ... any examples. This sucks :/ See Question&Answers more detail:os...

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

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442 views

1 answer

iphone - Add HTTP Header to NSURLRequest

Is there any way to add HTTP header to NSURLRequest object? I used to add them in NSMutableURLRequest ... " forHTTPHeaderField:@"machineName"] See Question&Answers more detail:os...

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

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523 views

1 answer

iphone - Determine if a tableview cell is visible

Is there any way to know if a tableview cell is currently visible? I have a tableview whose first cell(0) is a ... is visible or is the top row? See Question&Answers more detail:os...

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

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365 views

1 answer

iphone - Strange issue after upgrading to iOS 4.1 SDK

I've upgraded the iOS SDK to the newly released 4.1 and now I have the following error while building my app ... do? Thanks in advance! Stelian See Question&Answers more detail:os...

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

0 votes

711 views

1 answer

iphone - How to disable the edit button that appears in the more section of a UITabBarController?

In my application (based on the Tab bar application XCode template) I use a UITabBarController to display a list of ... don't seem to work. See Question&Answers more detail:os...

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

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419 views

1 answer

iphone - Push ViewController from Right To Left with UINavigationController

As everyone know the UINavigationController push a ViewController from Left To Right, is there a way to push ... :viewController animated:YES]; See Question&Answers more detail:os...

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

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279 views

1 answer

iphone - Learning the basics of UIScrollView

I've been having a very hard time finding good examples of UIScrollView. Even Apple's UIScrollView Suite I ... code snippets would be great! 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

1 answer

iphone - Include a resource directory hierarchy into app bundle

I have a directory structure (multiple levels deep) of resources, that I would like to include into the ... in the hierarchy individually? See Question&Answers more detail:os...

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

0 votes

356 views

1 answer

iphone - Swift UIAlertController -> ActionSheet iPad iOS8 Crashes

currently i'm running into big trouble with my ActionSheet. On iPhone it works great, but on iPad it only crashes ... dl=0 for download and try. See Question&Answers more detail:os...

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

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521 views

1 answer

iphone - UIMenuController not showing up

I'm trying to create a custom UIMenuController and display it in my view. Here's my code: UIMenuController * ... just doesn't show up. See Question&Answers more detail:os...

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

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482 views

1 answer

iphone - How to get UIMenuController work for a custom view?

I'm trying to get the following code work: UIMenuController * menu = [UIMenuController sharedMenuController ... /UIMenuController topic? See Question&Answers more detail:os...

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

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