How to get the Phone SDK version of android?

 Get the Android SDK version running on the phone.

StringBuffer buf = new StringBuffer();
    buf.append("VERSION.RELEASE {"+Build.VERSION.RELEASE+"}");
    buf.append("\\nVERSION.INCREMENTAL {"+Build.VERSION.INCREMENTAL
+"}");
    buf.append("\\nVERSION.SDK {"+Build.VERSION.SDK+"}");
    buf.append("\\nBOARD {"+Build.BOARD+"}");
    buf.append("\\nBRAND {"+Build.BRAND+"}");
    buf.append("\\nDEVICE {"+Build.DEVICE+"}");
    buf.append("\\nFINGERPRINT {"+Build.FINGERPRINT+"}");
    buf.append("\\nHOST {"+Build.HOST+"}");
    buf.append("\\nID {"+Build.ID+"}");
    Log.d("build",buf);