Calling all developers for Android Developer Challenge 2!

I'm excited to announce the second Android Developer Challenge (ADC)! The first challenge was a huge success with over 1,700 entries that resulted in 50 excellent winners. With the recent release of Android 1.5, as well as the availability of devices in multiple markets around the world, I'm pleased to announce...

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Android Icon Guidelines

For our second post in our series on Android UI, we're releasing our Icon Design Guidelines and an Android Icon Templates Pack. These should make it a lot easier for you (or your designer) to develop all the icons your applications need, so they fit with the other icons in the Android environment.The Icon Design...

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Lightning talks at Google I/O

Google I/O is approaching, and with over ten quality talks lined up, we should all strive to be attentive, avid learners. But for the last Android session of the conference, we thought it would be fun to unwind and open up the podium for lightning talks. This is where anyone can take the stage for six minutes...

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Painless threading

Whenever you first start an Android application, a thread called "main" is automatically created. The main thread, also called the UI thread, is very important because it is in charge of dispatching the events to the appropriate widgets and this includes the drawing events. It is also the thread you interact with Android widgets on. For instance, if you touch the a button on screen, the UI thread...

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Drawable mutations

Android's drawables are extremely useful to easily build applications. A Drawable is a pluggable drawing container that is usually associated with a View. For instance, a BitmapDrawable is used to display images, a ShapeDrawable to draw shapes and gradients, etc. You can even combine them to create complex renderings.Drawables...

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