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HTML5: Pull to refresh

Wayne Pan

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Dark Theme (Dark Mode) in Android WebViews, WKWebViews and CSS

So your apps just implemented a shiny new dark theme and it’s looking 👌 There are lots of benefits to having a dark theme in your application, and having it consistent throughout your application allows for a great user experience. But what happens when the the user runs into a WebView in your app? Support: if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) { ... } Set: WebSettingsCompat.setForceDark(webView.settings, WebSettingsCompat.FORCE_DARK_ON) Current setting: val forceDarkMode = WebSettingsCompat.getForceDark(webView.settings) Joe Birch Assuming your question is asking how to change the colors of the HTML content you are displaying in a WKWebView based on whether light or dark mode is in effect, there is nothing you do in your app's code. All changes need to be in the CSS being used by your HTML content. CSS dark mode via :root variables, explicit colors and @media query: :root {     color-scheme: light dark;         --h1-color: #333;
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NUI - Style iOS apps with a style sheet, similar to CSS

NUI is a drop-in UI kit for iOS that lets you style UI elements using a style sheet, similar to CSS. It lets you style an entire app in minutes. @primaryFontName: HelveticaNeue; @secondaryFontName: HelveticaNeue-Light; @primaryFontColor: #333333; @primaryBackgroundColor: #E6E6E6; Button {     background-color: @primaryBackgroundColor;     border-color: #A2A2A2;     border-width: @primaryBorderWidth;     font-color: @primaryFontColor;     font-color-highlighted: #999999;     font-name: @primaryFontName;     font-size: 18;     corner-radius: 7; } NavigationBar {     background-tint-color: @primaryBackgroundColor;     font-name: @secondaryFontName;     font-size: 20;     font-color: @primaryFontColor;     text-shadow-color: #666666;     text-shadow-offset: 1,1; } GitHub
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Judo App - Server Driven UI out of the box

Judo App Judo brings server-driven UI to your iOS and Android apps. Build user interfaces visually in a fraction of time and publish them instantly without submitting to the app store. Build Experiences - With No Code The Judo app for macOS, available through the App Store, is built for design professionals with common keyboard shortcuts and familiar concepts like canvas, layers and inspector panel. Workflow is streamlined with the ability to drag and drop media files directly into your experiences and manage your own Judo files in Finder. Manage Creative Execution A Judo experience is interactive and can include text, images, video and buttons. An experience may be part of a screen, a single screen, or more typically multiple linked screens. Judo supports screen transitions, carousels, horizontal scrolling and modals. Clients can add custom fonts and define global colors and these are updates applied universally. Effortlessly Deploy Judo Cloud syncs your experiences with your iOS and
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Backend-driven native UIs

Backend-drive native UIs John Sundell  Slide Share Using Back-End Design to Create Customizable Front-End Mobile Experiences By controlling the front end of mobile apps from the back end we can build customized experiences at runtime, creating cleaner interfaces and reducing load times. Nithin Rao UX Magazine The Hub Framework Welcome to the Hub Framework - a toolkit for building native, component-driven UIs on iOS ( no Android support released yet ). It is designed to enable teams of any size to quickly build, tweak and ship new UI features, in either new or existing apps. It also makes it easy to build backend-driven UIs. The Hub Framework has two core concepts - Components & Content Operations. Spotify LeeGo: Build UI without UIView LeeGo is a lightweight Swift framework that helps you decouple & modularise your UI component into small pieces of LEGO style's bricks, to make UI development declarative, configurable and highly reusable. Wang Sheng Jia
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Database Driven UI - Meet Facebooks Messenger Re-Implementation: Project LightSpeed

Database-Drive UI - Database-driven Logic Rather than managing dozens of independent features and having each pull information and build its own cache on the app, we leveraged the SQLite database as a universal system to support all the features. Compared with the previous iOS version, this new Messenger is twice as fast to start and is one-fourth the size. We reduced core Messenger code by 84 percent, from more than 1.7M lines to 360,000. We accomplished this by using the native OS wherever possible, reusing the UI with dynamic templates powered by SQLite, using SQLite as a universal system, and building a server broker to operate as a universal gateway between Messenger and its server features. Native Code When building a new feature, it’s often tempting to build abstractions on top of the OS to plug a functionality gap, add engineering flexibility, or create cross-platform user experiences. But the existing OS often does much of what’s needed. Actions like rendering, tran
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Server-driven UI (SDUI): Meet Zalandos AppCraft and AirBnB Lona

A short WTF: Joe Birch:  SERVER DRIVEN UI, PART 1: THE CONCEPT Zalando seems to follow the SDUI principle as well - defining a common design language and construct the screens on the backend while displaying them natively on the clients. They even go one step further; they implemented a mighty toolset to enable non-technical stakeholders to define their own native app screens Compass: Web tooling to create screens and bind data Beetroot: Backend service that combines the screen layout definition with the data Lapis/Golem: iOS/Android UI render engines Crazy cool! Good job, guys (when you do an open-source release?) To even move faster a Flutter based UI render engine implementation was great! See also AirBnB Lona SDUI approach Building a Visual Language Why Dropbox sunsetted its universal C++ mobile project and AirBnB its React Native implementation
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