* 初始化
*/
private void initService() {
this.friendsService = new FriendsService(this.renrenApiInvoker);
this.userService = new UserService(this.renrenApiInvoker);
this.adminService = new AdminService(this.renrenApiInvoker);
this.invitationsService = new InvitationsService(this.renrenApiInvoker);
this.notificationsService = new NotificationsService(this.renrenApiInvoker);
this.pageService = new PageService(this.renrenApiInvoker);
this.payService = new PayService(this.renrenApiInvoker);
this.photoService = new PhotoService(this.renrenApiInvoker);