swift tag

599 questions


1 answers
76 views
0
Switch wifi on, off in iOS

Can I switch wifi on and off in iOS App?For example, turn on wifi from 9:00 AM to 9:00 PM and turn it off at other times.Would it be possible to do something like that?

2 years ago

2 answers
66 views
0
I'm struggling because I don't understand how Swift's Range works.

I just don't understand how Range works, and I don't know how to calculate the start index to the number of characters acquired.What we want to implement is to get the start index to the end index.I d...

2 years ago

1 answers
91 views
0
"Because more than one output of the same type is unsupported" error when shooting a video

I am currently trying to shoot a video, but when I execute the following code, I get the error because more than one output of the same type is unsupported. var myDevice: AVCaptureDevice? let devices...

2 years ago

2 answers
53 views
0
Import of CoreMotion ignored in swift

I have a question about swift. This time, I wrote the code for the following site to retrieve the value of the acceleration sensor using the CoreMotion framework, but the following warning message app...

2 years ago

1 answers
156 views
0
Posting using REST API fails on Swift TwitterKit

Xcode 7.1, Swift 7.1 and Fabric Twitter 1.13.1.I use Fabric's TwitterKit to call POST statuses/update on Twitter's REST API, but it doesn't succeed.The code is as follows:let client=TWTRAPICclient() v...


1 answers
139 views
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How do I program the Storyboard Segue?

In Xcode 7 (Swift), install PickerView (two items) and place the transition button under the part.If you select two things in PickerView, it will be displayed on the label, and if you press the button...


1 answers
94 views
0
Question in code that separates the Storyboard by device

I'm a beginner in programming.Please refer to the code on the website below to study swift.https://youtachannel.com/swift-storyboard-size/I was creating a code that separates the storyboard by device....

2 years ago

1 answers
44 views
0
I am having trouble because I cannot see the cells in the SwiftTutorial Create Table View.

Questions I want the cells to appear in SwiftTutorial's Create Table View.URL https://developer.apple.com/library/prerelease/ios/referencelibrary/GettingStarted/DevelopiOSAppsSwift/Lesson7.html#//appl...

2 years ago

2 answers
104 views
0
Return Error with double return value in func

When I set the return value to double type in func, I get an error in return.If anyone knows the cause, please let me know. varpcascore: Array <Double > = [3.2, 2.4, 3.5, 1.3]funcarrayplus(pcasc...

2 years ago

1 answers
68 views
0
Understanding the Relationship Between Swift and C Language

We are currently developing an application with Swift.Therefore, I have a question about the connection between swift and other languages.I'd like to use the main component analysis in app development...

2 years ago
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