无系统边框自定义圆角AlertDialog

public static AlertDialog dialog(Context context, String titles, String messages,View.OnClickListener onClickListenerLf, View.OnClickListener onClickListenerRf)
    {
        final AlertDialog alertDialog = new AlertDialog.Builder(context).create();
        alertDialog.setCancelable(false);
        alertDialog.setCanceledOnTouchOutside(false);
        alertDialog.show();
        Window window = alertDialog.getWindow();
        window.setBackgroundDrawableResource(android.R.color.transparent);
        View view = LayoutInflater.from(context).inflate(R.layout.permission_dialog, null);
        TextView title=(TextView) view.findViewById(R.id.permission_dialog_title);
        TextView message=(TextView) view.findViewById(R.id.permission_dialog_message);
        title.setText(titles);
        message.setText(messages);
        final Button cancle = (Button) view.findViewById(R.id.permission_dialog_leftbt);
        final Button sure = (Button) view.findViewById(R.id.permission_dialog_rightbt);
        cancle.setOnClickListener(onClickListenerLf);
        sure.setOnClickListener(onClickListenerRf);
        window.setContentView(view);
        return alertDialog;
    }public static AlertDialog dialog(Conte