Recent questions tagged IOS

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ios - Creating slow scrolling to indexPath in UICollectionView

I'm working on a project where I'm using a UICollectionView to create an 'image ticker' where I'm ... being dequeued immediately. Any thoughts? See Question&Answers more detail:os...

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

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359 views

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ios - How do you view TestFlight crash logs?

I have submitted my app to TestFlight and i have deliberately made the app on my device crash, but i don't ... the settings menu. Anyone know? See Question&Answers more detail:os...

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

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432 views

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ios - UITableView scrolls to top when reloading cells with changing cell heights

I have a table view which contains a placeholders while it loads in images. When the image is loaded, I call ... I'll keep working at 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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408 views

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ios - PerformSelector warning

I'm receiving a warning PerformSelector may cause a leak because its selector is unknown In the code: - (void) ... <NSObject> { // } See Question&Answers more detail:os...

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

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238 views

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ios - How to make a uitableview in interface builder compatible with a 4 inch iPhone

How do I make a uitableview in interface builder compatible with 4 inch iphone5, and the older iPhone 4/4s? ... now clickable in iOS 6 simulator 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

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ios - How do I reduce Image quality/size in iPhone objective-c?

I have an app that lets the user take a picture with his/her iPhone and use it as a background image for ... image quality. 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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562 views

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ios - Observing change in frame of a UIView during animation

I want to observe changes to the x coordinate of my UIView's origin while it is being animated using ... looking for a abest practice. See Question&Answers more detail:os...

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

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252 views

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ios - Swift: return Array of type self

I would like to write a class function, which will return an array of the class type. As far as I understood ... type Self? Thanks for any 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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212 views

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ios - How to mock AJAX call with NSURLProtocol?

I have UIWebview that makes AJAX calls to external services. When offline i need to catch theses requests ... :self]; } @end See Question&Answers more detail:os...

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

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281 views

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ios - UILocalNotification isn't working at all

I'm having some really irritating problems with UILocalNotification. While finishing up an app that I've nearly ... this is happening) 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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283 views

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ios - SWRevealViewController close rear view when tapping front view

I am using SWRevealViewController in order to implement a side nav menu in my app. I would like to make ... be greatly appreciated, 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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551 views

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ios - Path extension and MIME type of file in swift

I'm learning swift , and I made a table with cells that show an image ,and classes in groups by MIME ... english it's not my native language 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

1 answer

ios - SWRevealViewController - manually switch to another view?

I have a sidebar menu, made with SWRevealViewController. One of menu elements in sidebar is "sign- ... as front controller) See Question&Answers more detail:os...

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

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231 views

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ios - How to insert Cell in UICollectionVIew Programmatically?

I have a UICollectionView and it works fine, but I want to add a few UICollectionViewCells items programmatically into ... 's throwing an error. See Question&Answers more detail:os...

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

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393 views

1 answer

ios - Get current view controller from the app delegate (modal is possible)

I know that to get the current view controller from the app delegate, I can use the navigationController ... delegate holds a reference? See Question&Answers more detail:os...

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

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197 views

1 answer

ios - Passing Data To and From an Embedded UIWebView

I have a UIWebView embedded in my view controller like this: I have an outlet to my web view (_graphTotal) and I ... idea what I'm doing wrong? See Question&Answers more detail:os...

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

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437 views

1 answer

ios - Converting UIImageView Touch Coordinates to UIImage Coordinates

I'm able to determine the coordinates of a touch event on a UIImageView. I need to then convert these ... view coordinates of a UIImageView? See Question&Answers more detail:os...

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

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229 views

1 answer

ios - setNeedsDisplayInRect: causes the whole view to be updated

I'm working on a painting app that uses CoreGraphics for rendering. My problem is, for performance, I am trying to limit ... 10, 10}, {20, 20}} 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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ios - Pass different parameters to an IBAction

My iPhone app has many buttons and I want all the buttons to call the same method, but with different parameters. ... but with argument @"bar". See Question&Answers more detail:os...

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

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508 views

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ios - How to localize an app icon?

I am comfortable with localizing strings and images within the app. But I am having a lot of difficulty ... achieved a localized app icon? See Question&Answers more detail:os...

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

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1.2k views

1 answer

ios - How to fill a bezier path with gradient color

I have a UIBezierPath inside my custom UIView draw(_ rect: CGRect) function. I would like to fill the path with a ... : I am working on Swift-3 See Question&Answers more detail:os...

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

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303 views

1 answer

ios - Delete a device from my developer account to increase the count

Is it possible to delete a device to increase the device count in my Apple developer account? See Question&Answers more detail:os...

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

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301 views

1 answer

ios - Swift How to change UIAlertController's Title Color

How do I change the UIAlertController's Title font using Swift? I'm not talking about the message color, I'm ... I'm talking about the Title. See Question&Answers more detail:os...

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

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264 views

1 answer

ios - Detect Tap on CalloutBubble in MKAnnotationView

Im working with MKMapView and MKAnnotationView. I have an annotation in the map. When the users tap on it, the ... or the tap in the bubble? See Question&Answers more detail:os...

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

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272 views

1 answer

ios - How to implement localization in Swift UI

Can anybody help me? I can't find any description of the localization in Swift UI. Can anyone please give ... localize for example Text()? See Question&Answers more detail:os...

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

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219 views

1 answer

ios - WatchKit: unable to find interface controller class

I tried adding an interface controller to a storyboard, setting its Custom Class to a WKInterfaceController ... :6E20004 not found See Question&Answers more detail:os...

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

0 votes

166 views

1 answer

ios - Programmatically Creating UILabel

I know this should be very simple, but I've been really struggling with creating a UILabel programmatically and ... behavior that I am getting. See Question&Answers more detail:os...

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

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559 views

1 answer

ios - How do I create a bold UIFont from a regular UIFont?

If I have a UIFont object, is it possible to convert it to bold? I don't know the font name, I ... illustrate the point.) 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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