Code example on how we can detect swipe gestures on Android Activity.
How to resolve Android Eclipse This version of the rendering library is more recent than your version of ADT plug-in. Please update ADT plug-in error.
Code to check if Facebook app is been installed on the device. This could be really handy if you are trying to manage backward compatibility.
How to programmatically check if Facebook is installed on Android device. This post provides and example in Java code.
Android code snippet to check if Internet connectivity is available on Android device and is active. Check connections like Wifi and Mobile Subscriber Internet connections like 2g, 3g, 4g etc.
Trouble generating keyhash for facebook sdk integration with your application, here is the java code to generate keyhash.
An example to achieve repeated tile background for an Android Activity screen page using android:tileMode properties in xml code.
This is an example with code snippet as in how you can hide Navigation Bar from Android Screen Activity both using Java code and XML.