A light weight & simple & easy camera for iOS by Swift.
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DKCamera Swift 4.2 Sep 20, 2018
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README.md

DKCamera

Build Status Version Status license MIT Carthage compatible


Description

A light weight & simple & easy camera for iOS by Swift. It uses CoreMotion framework to detect device orientation, so the screen-orientation lock will be ignored(Perfect orientation handling). And it has two other purposes:

  • Can be presenting or pushing or Integrating.
  • Suppressing the warning "Snapshotting a view that has not been rendered results in an empty snapshot. Ensure your view has been rendered at least once before snapshotting or snapshot after screen updates."(It seems a bug in iOS 8).
  • Compatible with iOS 11 and iPhone X

Requirements

  • Xcode 9
  • Swift 3.2 & 4.2

Installation

iOS 8 and newer

DKCamera is available on CocoaPods. Simply add the following line to your podfile:

# For latest release in cocoapods
pod 'DKCamera'

iOS 7.x

Please use the 1.2.11 tag. To use Swift libraries on apps that support iOS 7, you must manually copy the files into your application project. CocoaPods only supports Swift on OS X 10.9 and newer, and iOS 8 and newer.

Easy to use

let camera = DKCamera()

camera.didCancel = {
	print("didCancel")

	self.dismiss(animated: true, completion: nil)
}

camera.didFinishCapturingImage = { (image: UIImage?, metadata: [AnyHashable : Any]?) in
    print("didFinishCapturingImage")
    
    self.dismiss(animated: true, completion: nil)
    
    self.imageView?.image = image
}

self.present(camera, animated: true, completion: nil)

You also can use these APIs:

open var cameraOverlayView: UIView?

/// The flashModel will to be remembered to next use.
open var flashMode:AVCaptureFlashMode!

open class func isAvailable() -> Bool

/// Determines whether or not the rotation is enabled.
open var allowsRotate = false

/// set to NO to hide all standard camera UI. default is YES.
open var showsCameraControls = true

open var defaultCaptureDevice = DKCameraDeviceSourceType.rear

/// Notify the listener of the detected faces in the preview frame.
open var onFaceDetection: ((_ faces: [AVMetadataFaceObject]) -> Void)?

If you are going to add a full-screen view as cameraOverlayView, maybe you should use the DKCameraPassthroughView or its subclass that have overriden the hitTest method in order to the event passes through to the expected view.

//  DKCamera.swift
public class DKCameraPassthroughView: UIView {
	public override func hitTest(point: CGPoint, withEvent event: UIEvent?) -> UIView? {
		let hitTestingView = super.hitTest(point, withEvent: event)
		return hitTestingView == self ? nil : hitTestingView
	}
}

License

DKCamera is released under the MIT license. See LICENSE for details.