//弹出对话框--------------------------------------------------
    private void openDialog(String strMsg, String strTitle){
        new AlertDialog.Builder(this)
            .setTitle(strTitle)
            .setMessage(strMsg)
            .setPositiveButton("确认",
                    new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            // TODO Auto-generated method stub
                        }
            })
            .show();
    }