public String getSDPath(){
            File SDdir=null;
            boolean sdCardExist=
Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);
            if(sdCardExist){
                    SDdir=Environment.getExternalStorageDirectory();
            }
            if(SDdir!=null){
                    return SDdir.toString();
            }
            else{
                    return null;
            }
    }

//java/5876