Guidelines, methods, resources and tools proposed by the Orange skill center for digital accessibility

Learn the accessibility principles that make a big difference to your users, including color contrast, touch target size, and content labeling.

Für Sprachausgabe, Hörgeräte und Braillereader präsentiert Google Neuerungen bei Android. Dazu kommt Hilfe für Programmierer.

Get to know how Android is built to be accessible to everyone—from supporting adaptive switches to using machine learning to help make things easier to hear.

A collection of UX frameworks for creating beautiful, cross-platform apps that share code, design, and interaction behavior.

… delightful, beautifully crafted symbols for common actions and items. Download on desktop to use them in your digital products for Android, iOS, and web.

- Design principles - Grid and keyline shapes - System icon metrics - Color - Icon themes

A comprehensive resource for sizing, resolution, and more across multiple devices.

access core functions on Android, iPhone and Blackberry using JavaScript - phonegap/phonegap

Build beautiful, usable products faster. Material Design is an adaptable system—backed by open-source code—that helps teams build high quality digital experiences.

Build beautiful, usable products faster. Material Design is an adaptable system—backed by open-source code—that helps teams build high quality digital experiences.

Choose your favorite colors and get your Material Design palette generated and downloadable.

View all the Material Design icons and more from the community.

Build beautiful, usable products faster. Material Design is an adaptable system—backed by open-source code—that helps teams build high quality digital experiences.

The device art generator enables you to quickly wrap app screenshots in device artwork. This provides better visual context for your app screenshots on your website or in other promotional materials

What are Android Icon Sizes? Our icon design team provide this guide on Android Launcher Icon Sizes, Action Bar Icons, Contextual & Notification Icons sizes

This calculator tells you how to scale graphics between four density groups—perfect for building out applications across different devices.

… a free Photoshop resource that makes it easier for you to make icons. Edit a single object and it’ll automatically render out all the various sizes required on iOS & Android. Build in textures and colors make it easy to get started and the bundled actions make exporting a breeze.

Generate app icons of all sizes in a click!

Androidicons is a professional, handcrafted icon set with 250 icons in 14 different colors and 5 sizes, including an icon font and all sources.