davidleee

Detecting Video Playback inside a WKWebView

Observing video playback inside a black-boxed WKWebView is difficult as you don't have direct access to the video player.

Another complicating matter is that depending on the video, the video might be played using a HTML5 video player, while others might launch the native AVPlayerViewController for playback. While it might be possible to detect HTML5 based playback by injecting custom JavaScript using a WKUserContentController, this is not the approach we will follow in the document as these depend on what HTML5 Video Player is involved and is, as such, not a generic solution.

Making sure AVKit is used

davidleee

// Returns number of seconds passed between time when process was created and function was called
func measureAppStartUpTime() -> Double {
    var kinfo = kinfo_proc()
    var size = MemoryLayout<kinfo_proc>.stride
    var mib : [Int32] = [CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid()]
    sysctl(&mib, u_int(mib.count), &kinfo, &size, nil, 0)
    let start_time = kinfo.kp_proc.p_starttime
    var time : timeval = timeval(tv_sec: 0, tv_usec: 0)
    gettimeofday(&time, nil)
    let currentTimeMilliseconds = Double(Int64(time.tv_sec) * 1000) + Double(time.tv_usec) / 1000.0

davidleee

using UnityEditor;
using System.Collections.Generic;

// Put this memu command script into Assets/Editor/

class ExportTool
{
	static void ExportXcodeProject () 
	{
		EditorUserBuildSettings.SwitchActiveBuildTarget (BuildTarget.iOS);

davidleee

func switchRootViewController(rootViewController: UIViewController, animated: Bool, completion: (() -> Void)?) {
        if animated {
            UIView.transitionWithView(window, duration: 0.5, options: .TransitionCrossDissolve, animations: {
                let oldState: Bool = UIView.areAnimationsEnabled()
                UIView.setAnimationsEnabled(false)
                self.window!.rootViewController = rootViewController
                UIView.setAnimationsEnabled(oldState)
            }, completion: { (finished: Bool) -> () in
                if completion {
                    completion!()

davidleee

// MARK: - Swizzling
extension UIFont {
  class var defaultFontFamily: String { return "Georgia" }
  
  override public class func initialize()
  {
    if self == UIFont.self {
      swizzleSystemFont()
    }
  }

davidleee

// https://github.com/realm/realm-js/issues/370#issuecomment-270849466
export default class Realm {
  constructor(params) {
    this.schema = {};
    this.callbackList = [];
    this.data = {};
    this.schemaCallbackList = {};
    params.schema.forEach((schema) => {
      this.data[schema.name] = {};
    });

davidleee

/*
 
 Copyright 2017 Daniel Bocksteger
 
 BOApplePencilReachability.swift
 from https://gitlab.com/DanielBocksteger/BOApplePencilReachability
 
 Inspiration from Answer on the following question
 https://stackoverflow.com/questions/32542250/detect-whether-apple-pencil-is-connected-to-an-ipad-pro/41264961#41264961
 

davidleee

import Foundation


/// Find first differing character between two strings
///
/// :param: s1 First String
/// :param: s2 Second String
///
/// :returns: .DifferenceAtIndex(i) or .NoDifference
public func firstDifferenceBetweenStrings(s1: NSString, s2: NSString) -> FirstDifferenceResult {

davidleee

extension String {
    var containsChinese: Bool {
        for substring in self {
            if substring.isChinese {
                return true
            }
        }
        return false
    }
}

davidleee

import UIKit

extension String {

    var glyphCount: Int {

        let richText = NSAttributedString(string: self)
        let line = CTLineCreateWithAttributedString(richText)
        return CTLineGetGlyphCount(line)
    }