I was recently working on an Android application and found that when debugging the volume was to low. Using the volume control on the phone would only increase the ringer volume. By accident I found that if a media sound was playing then the volume controls would control the media volume,which indicated that the default action for theRead more about How to set what the volume control actually controls in your Android app[…]
I found a great series of blogs on working with graphics in the Android SDK. Starting with the very basics and moving through to a complete game demo, including touch events to control movement and speed and game loop management.
I came across this great blog post by Anton Lopyrev on implementing client/server apps, with push notification on Android, using the IBM developed MQTT protocol.