[This post is by David Chandler, Android Developer Advocate — Tim Bray] Honeycomb introduced Fragments to support reusing portions of UI and logic across multiple activities in an app. In parallel, the showDialog / dismissDialog methods in Activity are being deprecated in favor of DialogFragments. In this post, I’ll show how to use DialogFragments with the v4 [...]

[This post is by Francesco Nerieri, engineering team lead for C2DM — Tim Bray] In the upcoming weeks, some of the older Client Login authentication keys will expire. If you generated the token you’re currently using to authenticate with the C2DM servers before October 2011, it will stop working. If the response from the C2DM servers contains [...]

Over the past year we’ve been working to expand the list of countries and currencies from which Android developers can sell their products. Starting today, developers in Czech Republic, Israel, Poland, and Mexico can sell priced applications and in-app products on Google Play, using their local bank accounts for payments. Welcome developers! If you develop [...]

[This post is by Joe Fernandez, a technical writer for developer.android.com who cares about accessibility and usability. — Tim Bray.] We recently published some new resources to help developers make their Android applications more accessible: Accessibility Developer Guide Implementing Accessibility Training “But,” you may be thinking, “What is accessibility, exactly? Why should I make it a priority? How [...]

[This post is by Xavier Ducrohet and Reto Meier of the Android engineering team. — Tim Bray.] The Android emulator is a key tool for Android developers in building and testing their apps. As the power and diversity of Android devices has grown quickly, it’s been hard for the emulator keep pace. Today we’re thrilled to announce several [...]