02.ams ios 媒体服务

• ios 官网地址：

• ios ams 服务流程

By default, the MR does not receive any information about any attribute of any entity. In order to receive this data, an MR first needs to subscribe for GATT notifications on the Entity Update characteristic. Then, the MR writes commands to the Entity Update characteristic to inform the MS which entity/attribute pair values it wants to know.

步骤： 01 . 订阅update characteristic 特征。 02 . 手环写一些自己关注的属性值。 (第一个为entity, 第二个为atrribute) 03 .