ole/CollectionViewParallaxScrolling

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ole/CollectionViewParallaxScrolling

ole

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A custom UICollectionViewFlowLayout to support parallax scrolling in cells. Check out the accompanying blog post for more info.

CollectionViewParallaxScrolling

An implementation of a custom UICollectionViewLayout that demonstrates WhatsApp-style parallax scrolling in a collection view.

Written by Ole Begemann, May 2014.

Please read the accompanying blog post for more information.

Demo Video

Download the demo video (H.264)

Photos

All photos used in the demo app by Ole Begemann. Check out my Flickr account for more.

whats-new-in-swift-4

An Xcode playground showcasing the new features in Swift 4.0.

OBShapedButton

A UIButton subclass that works with for non-rectangular button shapes.

whats-new-in-swift-4-2

An Xcode playground demonstrating the new features in in Swift 4.2.

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swiftui-view-lifecycle

Observe how different SwiftUI container views affect state and lifecycle events (onAppear, onDisappear).

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CustomScrollView

A very simple implementation of a scroll view on iOS. Not meant for production, just for learning purposes. Please check out the accompanying blog post.

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A simple UIView wrapper for CAGradientLayer. For the times when it's more convenient to use a view instead of a CALayer.

NSBundle-OBCodeSigningInfo

Check an app bundle's code signing and sandboxing state to NSBundle.

swift-rp-pico-bare

Embedded Swift on the Raspberry Pi Pico without the Pico C/C++ SDK

Storyboard-Strings-Extraction

Automatically extract translatable strings from Xcode storyboards and update .strings files.

SilentPush

An iOS test app for testing silent push notifications and background fetching.

CGPathHitTesting

A demo iOS app to illustrate hit testing with CGPathCreateCopyByStrokingPath()

pico-embedded-swift

Embedded Swift on the Raspberry Pi Pico

AppointmentList

Sample iOS app that lists events from the device's calendar store in a table view and groups them by date.

RemoteViewControllers

Introspection of the private and undocumented remote view controllers feature in iOS 6

iphone-6-plus-rendering

Quick and dirty test apps to understand how the built-in downsampling to screen resolution works on the iPhone 6 Plus.

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Sample iOS app for a blog post about gesture recognition and attention to detail

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OSLogStoreTest

Test app for evaluating if apps can access their own OSLog logs via OSLogStore.

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AppleCoreDataModels

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Testing the behavior of the block based NotificationCenter API. Do you have to call NotificationCenter.removeObserver(_:) or is it enough to let the observer token go out of scope? Turns out: the former (tested on iOS 11.2).

ConcurrencyBenchmark

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A parser for the Intel Hexadecimal Object File Format (.hex), written in Swift.

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Sample apps for a Passbook tutorial on my blog.

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A Swift parser for output files from automated transcription services. An experiment inspired by the Swift Community Podcast.

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A simple command-line Cocoa app to convert images to CMYK

SwiftUI-Mac-Focus

Test project for playing with focus, keyboard shortcuts, menu commands in SwiftUI on the Mac

CAShapeLayer-Animation

Demo project for a Stack Overflow question: "Animate CAShapeLayer path on animated bounds change"

Funtime

A Swift interface for the Objective-C Runtime API

CollectionViewContentSizeAnimation

Demo project for a Stack Overflow question.

SwiftPM-embedded-minimal

OBStack

OBStack is a very simple implementation of a stack data structure (last in, first out) in Cocoa.

AsyncSequenceOperators

Experimental reimplementations of functional reactive operators for AsyncSequence. DO NOT USE IN PRODUCTION!

AsyncXMLParsing

An AsyncSequence wrapper for Foundation’s XMLParser (experimental)

SwiftUIAnimationBug

https://twitter.com/olebegemann/status/1587912494290444290

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rust-rp-pico-template

A cargo-generate template for embedded Rust development on the Raspberry Pi Pico.

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