Setup AppDelegate Without Storyboard
UPDATE 2019 AUG: If you are using SceneDelegate, refer to this newer post.
My Dev Notes
Figuring out software, one rabbit hole at a time.
Archive
Page 8 of 19Nested UIViewControllers Using Container
Container view controller is a new concept from iOS 5.
How to Setup Free SSL for Github Pages
SSL/HTTPS is now almost mandatory.
Swift Lint to Improve Code Quality
SwiftLint helps to enforce coding style.
How to Make Xcode Run Faster
Show Build Time
Setting Up Travis CI With Fastlane for iOS Project
Travis CI is a service, providing machines, to help build your app, test, deploy, and more.
Guide to Creating UIViewController Without Storyboard
This is a guide on creating your custom UIViewController with code, without any storyboard/nibs/xibs. You may also be interested in reading guide to creating custom UIView.
Localization - Fallback to Base Language
This post explains how iOS determines the language to use in an app, and how Apple fallback to the next-best default language when necessary.
UI Testing With BrowserStack Cloud Devices
This guide is on using BrowserStack to run UI Tests on cloud devices.
Developer Guide to Support iPhone X
iPhone X introduced The Notch, The Home Indicator, Safe Area, and a different resolution form factor..
Guide to Universal Links
Universal links are HTTP links that open your app, instead of the website in Safari.
Guide to Creating Custom UIView
This is a guide to creating custom UIView using Auto Layout, without Nib/Storyboard, and in Swift 4.
Adding Playground to an Existing Project
UPDATE APRIL 2018:
Steps to Create Swift Framework + Cocoapods
1. Create framework project
Guide to Using Codable Struct for JSON
Codable is a new feature introduced along with Swfit 4 for encoding and decoding models easily, making third party libraries such as SwiftyJSON and Unbox obsolete. It is part of...
Migrating to Swift 4 and @objc
Swift’s official migration guide gives a good overview.
How to Change iOS App Icon Programmatically (iOS 10.3)
Changing the app icon is just 1 line of code with setAlternateIconName, but there are many pitfalls, and the lack of guide on how to do it.
How Oracle screwed me for 2 months with an UNDERSCORE
tldr; I was integrating Oracle’s mobile push SDK and was stuck for 2 months. Turned out they have an embarassing bug involving an underscore! Oracle’s Responsys/PushIO proved ri...
WWDC 2017 - What's New in Foundation
Summary of what’s new in Foundation, Swift 4, from session 212. Tip: You can download WWDC videos easily with wwdc-dl.
How to Use Git Bisect to Find the First Bad Commit
Git has a very powerful command for developers to systematically find the commit that introduce a bug.
What Steve Jobs Thinks of React Native
Adobe announced they are killing Flash in 2020.
Backing Up Photos Library and Handling Corrupted Files Error -36
I was backing up my Photos Library, a huge 500 GB Photos Library.photoslibrary, and copying the file to my external drive, it had this error:
Tip: Debugging UI Calls in Background Threads
We all know UI calls have to be run in the main thread.
Creating a Autoresizing UITableView Programmatically
This is a common scenario we will use as an example: Creating a table view that display images of different sizes, loading the images from the network and resizing the table vie...
Xcode 8 File Templates
The secret feature of Xcode
Guide to watchOS Development
A guide for watchOS 3, because the watch app programming guide is not obvious.
Guide to Booting Up macOS in Other Modes, and Troubleshooting
This guide is for troubleshooting macOS in the scenario that it can’t boot up.
Guide to UICollectionView With Custom Layout
UICollectionView is the most powerful view controller in UIKit.
Why I don’t build apps for friends anymore
Over the past 10 years, I’ve lots of friends and classmates say to me: