Recent questions tagged ios

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ios - Detecting touches on MKOverlay in iOS7 (MKOverlayRenderer)

I have an MKMapView with possibly hundreds of polygons drawn. Using MKPolygon and MKPolygonRenderer as one is suppose to on iOS7 ... /* ... */ } See Question&Answers more detail:os...

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

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283 views

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ios - Xcode Tabbed Application - Adding New Tab view

I'm working with Xcode 4.2. I started to work with Tabbed Application and now I want to add 3rd and 4th Tabbed ... trying it. But I can't. See Question&Answers more detail:os...

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

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278 views

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ios - UICollectionView registerClass: forCellWithReuseIdentifier method breaks UICollectionView

What's the role of registerClass:forCellWithReuseIdentifier: method? According to Apple's developer documentation it's ... 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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ios - Wanted: How to reliably, consistently select an MKMapView annotation

After calling MKMapView's setCenterCoordinate:animated: method (without animation), I'd like to call selectAnnotation ... appreciated - 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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315 views

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ios - Change push notification sound

How can I use a custom sound for push notifications? According to my research and reading, I have found that the ... . How to put file there? See Question&Answers more detail:os...

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

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420 views

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ios - UIView. Why Does A Subviews Outside its Parent's Extent Not Receive Touches?

I have a simple - trivial - UIView parent/child hierarchy. One parent (UIView). One child (UIButton). ... = isInsideButton) return isInside; } See Question&Answers more detail:os...

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

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ios - Upgrading to xcode 4 error No architectures to compile for

I am getting an error after upgrading to xcode 4, for all of the library projects that my application depends ... arch=i386, VALID_ARCHS=armv6). See Question&Answers more detail:os...

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

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183 views

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ios - How to select range of values when using arc4random()

Can I set a range of numbers when using arc4random()? For example 50-100 only. See Question&Answers more detail:os...

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

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ios - How to implement "share button" in Swift

This is the some peace of code for twitter... I want to know how to get the share action view like we ... animated: true, completion: nil) } See Question&Answers more detail:os...

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

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432 views

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ios - Change UIDatePicker font color?

All I want to do is change the font color of the UIDatePicker. I've researched other questions but they're all ... ? Does it even do anything? See Question&Answers more detail:os...

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

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721 views

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ios - Black screen after presenting modal view controller in current context from UITabBarController

My root view controller is a UITabBarController. I'm trying to present a modal view controller over one of the ... have things set up correctly. See Question&Answers more detail:os...

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

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294 views

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ios - SwiftUI: Status bar color

Is there a way to change the status bar to white for a SwiftUI view? I'm probably missing something simple, ... see .statusBar(hidden: Bool). See Question&Answers more detail:os...

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

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148 views

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ios - How to disable caching from NSURLSessionTask

In my iOS app, I am using NSURLSessionTask to download json data to my app. I discovered that when I call the ... , NSError *error) { 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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312 views

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ios - iOS5 NSURLConnection methods deprecated

I'm trying to write an iOS app that makes asynchronous requests to get data over the network. It seems ... of delegate methods complete? 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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265 views

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ios - How can I cast an NSMutableArray to a Swift array of a specific type?

I am migrating my iOS project to Swift. I am doing this class by class. When I call Objective C methods from Swift ... I am trying to do here? See Question&Answers more detail:os...

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

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267 views

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ios - NSArray with NSPredicate using NOT IN

I have an NSArray that I want to filter out certain objects using an NSPredicate, I was hoping I could use ... that works perfectly of course. See Question&Answers more detail:os...

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

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398 views

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ios - Is it possible to cache resources loaded in an iPhone UIWebView?

I have a simple app loading a site optimized for the iPhone in a UIWebView. Problem is, caching does not seem ... in a native iPhone app. See Question&Answers more detail:os...

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

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215 views

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ios - Calculating tiles to display in a MapRect when "over-zoomed" beyond the overlay tile set

I am working on an app that uses MKOverlay views to layer my own custom maps on top of the Google base map. I ... + 0.5)); return zoomLevel; } See Question&Answers more detail:os...

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

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135 views

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ios - Calling C++ from Objective-C

For those of you who have successfully been able to call C++ code from Objective-C, will you please ... have the entire concept wrong? See Question&Answers more detail:os...

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

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138 views

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ios - Swift: Asynchronous callback

How do I make asynchronous callbacks in swift? I'm writing a little Framework for my app because it's ... really appreciate all your help! See Question&Answers more detail:os...

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

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563 views

1 answer

ios - Set background color of active tab bar item in Swift

I'm hoping to accomplish this without the use of images, if at all possible. Is there a way to create the ... feel it should be. Any ideas? See Question&Answers more detail:os...

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

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231 views

1 answer

ios - Cross Directional UIScrollViews - Can I Modify the Scrolling Behaviour?

Here's how the scroll views work: One scroll view is paging enabled in the horizontal direction. Each 'page' ... than happily award a bounty. See Question&Answers more detail:os...

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

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566 views

1 answer

ios - WKWebView didn't finish loading, when didFinishNavigation is called - Bug in WKWebView?

Goal: To take a screenshot of WKWebView after the website finished loading Method employed: Defined a WKWebView var in ... image } return nil } See Question&Answers more detail:os...

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

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233 views

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ios - spacing between UITableViewCells

I am creating a ios app in swift and want to add spacing between cells like Facebook (pic bellow). I am ... in there app using swift? 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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315 views

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ios - NSTimer - how to delay in Swift

I have a problem with delaying computer's move in a game. I've found some solutions but they don't ... . What other possibilities there are? See Question&Answers more detail:os...

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

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179 views

1 answer

ios - Access the instance of a Viewcontroller from another in swift

I am trying to transfer data from the textfield of one View Controller to the label from another. How can I ... have? Thanks for your help! See Question&Answers more detail:os...

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

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232 views

1 answer

ios - Fix CSS hover on iPhone/iPad/iPod

I want to fix the hover effect on iOS ( change to touch event ) but I dont have any idea . Let me explain ... ? How can fix like them ? 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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337 views

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ios - What is the difference between UIApplication.sharedApplication.delegate.window and UIApplication.sharedApplication.keyWindow?

Can anyone help me understand the difference between the following two lines: [UIApplication.sharedApplication.delegate ... addSubview:myView]; See Question&Answers more detail:os...

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

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