ANDROID : FRAGMENT

http://www.michenux.net/android-fragment-swapping-325.html

http://www.mysamplecode.com/2012/08/android-fragment-example.html
code above has loaded to https://github.com/gchudublin/FragmentWebView

http://gregchutech.blogspot.com/2014/06/frame-layout-step-by-step.html