MainThreadGuard

Tracking UIKit access on main thread

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Description

This is just a Swift port of PSPDFUIKitMainThreadGuard.m using swizzling on UIView extension

Usage

Just import the framework

Features

setNeedsLayout
setNeedsDisplay
setNeedsDisplayInRect:

Try accessing UIKit from another thread and MainThreadGuard will assert

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        let label = UILabel()
        view.addSubview(label)

        dispatch_async(dispatch_get_global_queue(QOS_CLASS_BACKGROUND, 0)) {
            label.text = "Setting text on background thread"
        }
    }
}

Installation

MainThreadGuard is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "MainThreadGuard"

Credit

Credit goes to PSPDFUIKitMainThreadGuard.m

Author

Khoa Pham, onmyway133@gmail.com

License

MainThreadGuard is available under the MIT license. See the LICENSE file for more info.

VitoNYang/MainThreadGuard