Java Programming

Hi

I want to open Osk when ever I click on any text field in windows 8.

I tried in below mentioned way to open and close but it is usefull. could some body help in opening and closing osk properly on windows 8

Opening OSK:

builder = new ProcessBuilder("cmd /c " + sysroot + " /System32/osk.exe");

Closing Osk:

Runtime.getRuntime().exec("taskkill /f /im osk.exe");