See your city's air pollution measured in daily cigarettes. iOS/Android.

An Android app which provides design news & inspiration as well as being an example of implementing material design.

No description provided.

Listen to current network traffic in the app and categorize the quality of the network.

No description provided.

SOLID Principles - simple and easy explanation

A material designed music player for Android

A complete travel guide!

Upload pictures from Android to Wikimedia Commons. Looking for volunteers! Come say hi at https://groups.google.com/d/forum/commons-app-android and install at https://play.google.com/store/apps/details?id=fr.free.nrw.commons

An Android library for managing images and the memory they use.

This is the official repository for the Girl Develop It website.

breakable-toy contacts app

Code jam reference solutions