Swift View Animation from Line?

Swift View Animation from Line Swift 4.2, Xcode 10.0 I want to perform an animation with a view wherein it builds ...

optimal approach to animate radar in iOS?

I'm trying to animate the heading line of a naval-style radar (the spinning part below) in iOS, like this: My cur...

Drawing an animatable laser beam with CALayer?

I'm trying to draw a light beam using CAShapeLayer but not able to correctly implement it. Have used the shadow prop...

What does $0 and $1 mean in Swift Closures??

let sortedNumbers = numbers.sort { $0 > $1 } print(sortedNumbers) Can anyone explain, what $0 and $1 means in s...

Swift gradient from black to fully transparent?

I am trying to apply a CAGradientLayer using swift, and I would like it to fade from black to transparent. I though...

How do I write dispatch_after GCD in Swift 3, 4, and 5??

In Swift 2, I was able to use dispatch_after to delay an action using grand central dispatch: var dispatchTime: dis...

How to create a view which supports all screen sizes??

Hello everyone who reads it. I am trying to make an app looks simillar like Viber or any other app with dial pad to ...

What is the right way of creating circle animation??

I just saw this image and it's interesting to me, how to create such type of animation in Swift: So, I have many ...

How to crop the UIView as semi circle??

I want to crop UIView in semi circle shape Thanks in advance. ...

How can I get the thumbnail of a QuickLook Preview Item??

I'm previewing various documents using QLPreviewController. The controller has a "list view" option where it display...

UIToolbar offset - black strip appearing?

So here's my Swift code (AppDelegate.swift): var window: UIWindow? var rootViewController :UIViewController? func ...

Enable camera roll thumbnail in UIImagePickerController?

Is there a way to display the camera roll thumbnail (marked in red below) inside a UIImagePickerController? The righ...

IOS Swift - Custom camera overlay?

hello I would like to open a camera in my app like this I want to open a camera only in the middle of the sectio...

Base64 Decoding in iOS 7+?

I have Encoded text(NSString) using NSData Class new API which is Added in iOS7. using this - (NSData *)dataUsingE...