unmount sdcard programatically in android?
<p>1)  I am working to implement Mount/Unmount sdcard support in my android application,Am able to get sdcard state by Environment.getExternalStorageState().I know we can call Settings Intent and Mount/Unmount, but my requirement has to do programatically with out calling Settings Intent. 
2) Is it possible to Enable/Disable the Settings application in android.</p>

<p>I am not able to get answers for these questions, suggestions or samples are requested. thanks in advance.</p>
