Recent questions tagged IOS

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ios - Is there a way to hide the scroll indicators in a UIScrollView?

I've got a use case where those indicators disturb the user interaction. Can I subclass and override a ... indicators from the scroll 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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383 views

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ios - Using sound effects with AudioEngine

Background - I saw a video titled "AVAudioEngine in Practice" from the following list of videos published at Apple's ... here in an IBAction ? 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

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ios - Swift framework depending on cocoa pod

Using the newest version of cocoa pods (0.36) I am able to embed cocoa pods written in swift (e.g. ... )/Pods to something else... See Question&Answers more detail:os...

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

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290 views

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ios - Quartz 2D drawRect method (iPhone)

I've got 4 different iPhone/Cocoa/Core Animation/Objective-C books in front of me, along with numerous sample ... concerning this subject. :-) See Question&Answers more detail:os...

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

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240 views

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ios - Customize text color of UIDatePicker for iOS7 (just like Mailbox does)

I'm having the most frustrating dilemma. I've researched up and down and can clearly see that Apple does not ... is the closest I've gotten: See Question&Answers more detail:os...

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

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288 views

1 answer

ios - Reorder cells of UICollectionView

Consider a UICollectionView with flow layout and horizontal direction. By default, cells are ordered from top to ... also feels inefficient. See Question&Answers more detail:os...

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

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405 views

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ios - How do I hide/show the right button in the Navigation Bar

I need to hide the right button in the Navigation Bar, then unhide it after the user selects some options. ... CODE Is there a way? See Question&Answers more detail:os...

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

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315 views

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ios - Is there a way to update the height of a single UITableViewCell, without recalculating the height for every cell?

I have a UITableView with a few different sections. One section contains cells that will resize as a user types ... . Any help is 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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714 views

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ios - How to get front camera, back camera and audio with AVCaptureDeviceDiscoverySession

Before iOS 10 came out I was using the following code to get the video and audio capture for my video recorder ... you for your help 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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317 views

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ios - Link to app manage subscriptions in app store

Currently with In app purchase the only way to cancel an auto-renewing subscription is to do the following with the ... seem to figure out 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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406 views

1 answer

ios - Parse warning from didReceiveRemoteNotification:fetchCompletionHandler

I am getting an error after adding this code from parse.com: - (void)application:(UIApplication *)application ... this in the first place. See Question&Answers more detail:os...

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

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333 views

1 answer

ios - How to set the action for a UIBarButtonItem in Swift

How can the action for a custom UIBarButtonItem in Swift be set? The following code successfully places the button ... self, action:"sayHello") 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 - iPhone system font

What is the name of the default system font on the iPhone? I would like to retrieve this for customizing a UIView. 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

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ios - What does "% is unavailable: Use truncatingRemainder instead" mean?

I get the following error when using code for an extension, I'm not sure if they're asking to just ... the minutes and seconds variables. See Question&Answers more detail:os...

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

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313 views

1 answer

ios - Xcode project not showing list of simulators

I open my project in Xcode 6.1. When I try to run the project, the button is grayed out. When I try to ... do I get my simulators to come back? See Question&Answers more detail:os...

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

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605 views

1 answer

ios - No accounts with iTunes Connect access have been found for the team

In Xcode, when I try to Product > Archive > Validate App I get the error: No accounts with iTunes Connect ... this issue and validate my 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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295 views

1 answer

ios - Cropping AVAsset video with AVFoundation

I am using AVCaptureMovieFileOutput to record some video. I have the preview layer displayed using ... }]; } See Question&Answers more detail:os...

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

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243 views

1 answer

ios - Ultravisual iPhone app like UIView or UITableView scroll

Can someone please give me a hint on how to recreate the scrolling effect used in the UltraVisual iPhone app? Here's ... idea how it's made... See Question&Answers more detail:os...

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

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338 views

1 answer

ios - UIScrollView Paging Autolayout & Storyboard

There are plenty of answers regarding scroll views with autolayout and plenty about scrollview paging, but I can't ... . It must be possible! See Question&Answers more detail:os...

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

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784 views

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ios - UICollectionVIew: Animate cells as they scroll in

I would like items in my UICollectionView to animate in to view as the user scrolls through the list (I am using ... to fly in from the right. See Question&Answers more detail:os...

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

0 votes

276 views

1 answer

ios - How to debug/handle intermittent "authorization denied" and "disk i/o" errors when adding SQL store to an NSPersistentStoreCoordinator?

I have an app in the app store and am using a logging service to get crash logs and associated log data. ... code/info if relevant. thanks! See Question&Answers more detail:os...

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

0 votes

222 views

1 answer

ios - Secure Memory For Swift Objects

I am writing a swift application that requires handling private keys in memory. Because of the sensitivity of such ... like this in swift? See Question&Answers more detail:os...

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

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401 views

1 answer

ios - How to integrate and use Font Awesome with Objective-C or Swift in an Xcode project?

So I am trying to use this font http://fortawesome.github.com/Font-Awesome/. I've added the font as a ... this font in an Xcode project? See Question&Answers more detail:os...

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

0 votes

589 views

1 answer

ios - How do I create a UIView with a transparent circle inside (in swift)?

I want to create a view that looks like this: I figure what I need is a uiview with some sort of mask, I can ... away to do this? If so, how? See Question&Answers more detail:os...

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

0 votes

336 views

1 answer

ios - Using Invalidation Contexts for UICollectionViewLayout

So I have implemented working sticky headers in my UICollectionView in part by returning ... UICollectionViewLayoutInvalidationContext? See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

ios - Allow unverified ssl certificates in WKWebView

I'm trying to load a HTTPS url with an self-signed certificate in a WKWebView for iOS 8 and it keeps ... instances. Thank you in advance. See Question&Answers more detail:os...

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

0 votes

267 views

1 answer

ios - How to set the height of a Today Widget Extension?

How can i change the height of my App's Today Extension in the Notification Center? I tried it with the ... bigger than some 80 pixels... See Question&Answers more detail:os...

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

0 votes

304 views

1 answer

ios - UIView animations with autoreverse

I have a problem with the setting UIViewAnimationOptionAutoReverse. Here is my code. CALayer *aniLayer = act. ... two consecutive animations? See Question&Answers more detail:os...

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

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