Maciej Kankowski mackankowski

WKWebView was first introduced on iOS 8. With Apple finally release a deadline for all apps to migrate away from UIWebView, this series and this post is here to help you explore the features of WKWebView. In this blog post you will create a simple web browser with some basic features such as displaying content, back and forward.

Setup Previews for your project

One of the most interesting things coming out with Xcode 11 is SwiftUI's PreviewProvider, which provides a way to preview the UI during development instantly on multiple devices, multiple settings at the same time.

To preview UIViewController and UIView, you need to download previewing code from NSHipster

Since we are making this browser with a navigation bar, our main UIViewController needs to be embedded inside a UINavigationController. Therefore the previewing code would be like this:

exFAT support on macOS seems to have some bugs because my external drives with exFAT formatting will randomly get corrupted.

Disk Utility is unable to repair this at first, but the fix is this:

Use diskutil list to find the right drive id.
You want the id under the IDENTIFIER column, it should look like disk1s1
Run sudo fsck_exfat -d <id from above>. eg sudo fsck_exfat -d disk1s3
-d is debug so you'll see all your files output as they're processed.
Answer YES if it gives you the prompt Main boot region needs to be updated. Yes/No?

People

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	default_platform(:ios)

	DEVELOPER_APP_ID = ENV["DEVELOPER_APP_ID"]
	DEVELOPER_APP_IDENTIFIER = ENV["DEVELOPER_APP_IDENTIFIER"]
	PROVISIONING_PROFILE_SPECIFIER = ENV["PROVISIONING_PROFILE_SPECIFIER"]
	TEMP_KEYCHAIN_USER = ENV["TEMP_KEYCHAIN_USER"]
	TEMP_KEYCHAIN_PASSWORD = ENV["TEMP_KEYCHAIN_PASSWORD"]
	APPLE_ISSUER_ID = ENV["APPLE_ISSUER_ID"]
	APPLE_KEY_ID = ENV["APPLE_KEY_ID"]
	APPLE_KEY_CONTENT = ENV["APPLE_KEY_CONTENT"]

	// MIT License
	//
	// Copyright (c) 2023 Lee Kah Seng
	//
	// Permission is hereby granted, free of charge, to any person obtaining a copy
	// of this software and associated documentation files (the "Software"), to deal
	// in the Software without restriction, including without limitation the rights
	// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	// copies of the Software, and to permit persons to whom the Software is
	// furnished to do so, subject to the following conditions:

	import Foundation
	import Combine

	// The Request Method
	enum HTTPMethod: String {
	case get = "GET"
	case post = "POST"
	case put = "PUT"
	case delete = "DELETE"
	}

	@UIApplicationMain
	final class AppDelegate: UIResponder, UIApplicationDelegate {
	let healthKitManager = HealthKitManager()

	func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
	if onboardingComplete {
	healthKitManager.requestAccessWithCompletion() { success, error in
	if success { print("HealthKit access granted") }
	else { print("Error requesting access to HealthKit: \(error)") }
	}