Recent questions tagged IOS

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ios - How to change background color of a whole section in UICollectionView?

In UICollectionView, I want to give the whole section a uniform background color, instead of for a single cell or ... do that, any suggestions? See Question&Answers more detail:os...

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

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ios - tableView section headers disappear SWIFT

I have a tableView set up so that when a cell is touched, it expands in height to reveal more information. ... path for table cell being reused. See Question&Answers more detail:os...

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

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489 views

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ios - Simple App Delegate method to show an UIAlertController (in Swift)

In obj-C when another iOS app (mail attachment, web link) was tapped with a file or link associated with my ... you have any ideas. Thanks Greg See Question&Answers more detail:os...

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

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ios - How to Properly Declare Array of Custom Objects in Swift?

Here is my custom class...not sure if I'm missing anything in it... import UIKit class baseMakeUp { ... Brand Appreciate 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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ios - How do I get the views inside a container in Swift?

I have a Container View that I popped into my storyboard. There's a wonderful little arrow that represents the ... reference to what's inside? 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

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ios - What is a legit .gitignore for a Flutter project that is developed in Android Studio?

What is a legit .gitignore for a Flutter project that is developed in Android Studio? This is what I have so ... format *.iws # IntelliJ out/ See Question&Answers more detail:os...

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

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258 views

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ios - How to create a blank transparent png in Objective-C?

How can I create a blank png UIImage in Objective C programmatically (let's say 36x36 px)? 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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392 views

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ios - Custom fonts in Interface Builder

So we're in 2014, is there any way to set custom fonts within Interface Builder yet? Ie don't do it ... application" in the app's plist. See Question&Answers more detail:os...

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

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ios - Fabric release Xcode 6.3 codesign xcode-select

I'm trying to upload a release to Fabric & I'm getting errors as follows. I'm using the Xcode 6.3 ( ... other way to upload binary to fabric? See Question&Answers more detail:os...

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

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ios - How to get country code using NSLocale in Swift 3

Could you please help on how to get country code using NSLocale in Swift 3 ? This is the previous ... countryCode property is not available. See Question&Answers more detail:os...

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

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481 views

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ios - About "Declaration is only valid at file scope"

I have a class and extension Swift file. After adding a delegate that I declared in another file to the class, ... ", sender: indexPath) } } See Question&Answers more detail:os...

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

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339 views

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ios - No Way to Set Initial View Controller in New Storyboard in Xcode 6

Here's what I did in Xcode 6.0.1: Step 1: Create a new project with a single view. Step 2: Add ... have one per storyboard. 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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271 views

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ios - iPhone: What is a WWDR intermediate certificate?

In the Apple Developer Portal, in Certificates, Developer (or Distribution) it says: "If you do not have ... the current certificate only? See Question&Answers more detail:os...

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

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563 views

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ios - In Xcode I see (no paired Apple Watch) even though the watch is paired and the watch's UDID is registered

My phone is listed as an ineligible target in Xcode and out to the side it says (no paired Apple Watch). ... sits there saying "Installing...". See Question&Answers more detail:os...

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

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689 views

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ios - Use of undeclared identifier 'kUTTypeMovie'

I am getting the error message - Use of undeclared identifier 'kUTTypeMovie' in the below code - -(IBAction) ... What's wrong with 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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326 views

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ios - How to let AVPlayer retrieve playlist secured by SSL?

We′re developing a HTTP-streaming iOS app that requires us to receive playlists from a secured site. This ... alternate solution is welcome! See Question&Answers more detail:os...

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

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242 views

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ios - Access Private UIKit Function Without Using Bridging Header

Consider the private C function _UICreateScreenUIImage, which returns a UIImage snapshot of the current device screen: ... *)name; . See Question&Answers more detail:os...

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

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324 views

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ios - Programmatically emulate the selection in UITableViewController in Swift

Sorry for the question without any line of code. I need advice how to proceed, if at possible that I want ... and thank you 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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462 views

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ios - renewing provisioning profile and certificates

I have 2 iOS certificates - one for development and one for distribution (App Store). Both are expiring in ... Provisioning Portal or in Xcode. See Question&Answers more detail:os...

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

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626 views

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ios - Present a popover from an arbitrary anchor point in Swift

I know how to present a popover from a bar button item as is described in this answer (for both iPhone and ... am adding my own answer below. See Question&Answers more detail:os...

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

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275 views

1 answer

ios - Downloading a file from url and saving to resources on iPhone

Is it possible to download a file (i.e. an sqlite database file) from the Internet into your iPhone application ... (@"Written!"); } } See Question&Answers more detail:os...

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

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595 views

1 answer

ios - Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'no object at index 3 in section at index 0'

Hi I'm having a hard time fixing this error. Terminating app due to uncaught exception ' ... but fetchedobject is 0 See Question&Answers more detail:os...

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

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404 views

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ios - Background upload multiple images using single NSURLSession uploadTaskWithRequest

I want to upload multiple images in background using a single uploadTaskWithRequest method. While trying the following code ... task.resume(); } See Question&Answers more detail:os...

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

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263 views

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ios - Properly Subclassing UITextField in swift

So i have these textfields that i realised that they all have same properties, so i created new class called " ... write it over and over again See Question&Answers more detail:os...

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

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440 views

1 answer

ios - How can I get images to appear in UI PickerView Component in Swift?

I am trying to use images in a Swift PickerView. I don't know how to get the images to actually appear in the ... .count } }// end of app See Question&Answers more detail:os...

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

0 votes

440 views

1 answer

ios - How to draw a gradient arc with Core Graphics/iPhone?

I know how to draw a arc and I also found how to draw a gradient line from here I have found two ... want to realize like this picture: See Question&Answers more detail:os...

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

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216 views

1 answer

ios - Changing language on the fly in swift

Now I know that apple does not recommend this. In general, you should not change the iOS system language (via use ... this now. Best of luck! See Question&Answers more detail:os...

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

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373 views

1 answer

ios - Why is UIKeyboardWillShowNotification called every time another TextField is selected?

I have a project that contains a UIScrollView and many UITextField inside it. For the first time I select a ... ? Here is the stacktrace See Question&Answers more detail:os...

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

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