ConnectState

等待SDK上线

通道分配成功

服务器已收到连接请求，正在唤醒设备

连接中...，设备已收到唤醒通知，开始握手过程

已连接，握手过程完成，连接通道已就绪

断开中...

已断开

Returns a representation of an immutable list of all enum entries, in the order they're declared.

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Returns an array containing the constants of this enum type, in the order they're declared.