how to use this library to take full screen screenshot

[NewBugger]

hello, and sorry for this newbee question.

how can i use this library to take a full screen screenshot, i want to write a simplest screenshot app.

i've viewed the demo code and still don't know how to use the code like:

QuickShot.of(view).setResultListener(this)
                      .setFilename("Hello World")
                      .setPath("MyApp/Pictures")
                      .toPNG()
                      .save();

sorry for not understanding vary type of fragments..

if bothered closed this please.