List Of usefull Android Sample To Do Task

http://kalisandroid.blogspot.in/2015/06/horizontal-listview-inside-listview-rows.html

Easy Facebook Interaction in android App

http://kalisandroid.blogspot.in/2014/11/facebook-integrations.html

Listing Out Files from SDCard in android

http://javatechig.com/android/listing-all-sdcard-filenames-with-extensions-in-android

http://kalisandroid.blogspot.in/2015/01/load-pdf-files.html