diff --git a/android/hal-msg.h b/android/hal-msg.h
index 57069b3..3f119de 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
uint8_t remote_role;
} __attribute__((packed));
+#define HAL_HEALTH_APP_REG_SUCCESS 0x00
+#define HAL_HEALTH_APP_REG_FAILED 0x01
+#define HAL_HEALTH_APP_DEREG_SUCCESS 0x02
+#define HAL_HEALTH_APP_DEREG_FAILED 0x03
+
+#define HAL_EV_HEALTH_APP_REG_STATE 0x81
+struct hal_ev_health_app_reg_state {
+ uint16_t id;
+ uint8_t state;
+} __attribute__((packed));
+
#define HAL_A2DP_STATE_DISCONNECTED 0x00
#define HAL_A2DP_STATE_CONNECTING 0x01
#define HAL_A2DP_STATE_CONNECTED 0x02