+ This api is deprecated, recommend using replyShowWindow.
+```
+- LibHomeScreen::registerCallback(void(*event_cb)(const std::string &event, struct json_object *event_contents), void(*reply_cb)(struct json_object *reply_contents), void(*hangup_cb)(void)=nullptr)
+```
+ event_cb [in] : This argument should be specified to the callback for subscribed event
+ reply_cb [in] : This argument should be specified to the reply callback for call function
+ hangup_cb [in] : This argument should be specified to the hangup callback for call function
+
+ This api is deprecated, recommend using set_event_handler.
+```
+- LibHomeScreen::set_event_handler(enum EventType et, handler_func f)
+```
+ et [in] : event name
+ f [in] : event handler
+
+ Setting event handler for Homescreen-Service Event.
+```
+- LibHomeScreen::call(const string& verb, struct json_object* arg)
+- LibHomeScreen::call(const char* verb, struct json_object* arg)
+```
+ verb [in] : This argument should be specified to the API name (e.g. "tap_shortcut")
+ arg [in] : This argument should be specified to the argument of API.
+ And this argument expects JSON object
+
+ Call homescreen-service verb.
+```
+- LibHomeScreen::subscribe(const string& event_name)
+```
+ event_name [in] : This argument should be specified to the event name
+
+ Subscribe homescreen-service event. Deprecated, recommend using set_event_handler.
+```
+- LibHomeScreen::unsubscribe(const string& event_name)
+```
+ event_name [in] : This argument should be specified to the event name
+
+ Unsubscribe homescreen-service event. Deprecated, recommend using set_event_handler.
+```
+- LibHomeScreen::showWindow(const char* application_id, json_object* json)
+```
+ application_id [in] : This argument should be specified to the application's id
+ json [in] : This argument should be specified to the json parameters
+
+ Request to show the window of application_id, and set display area in json liked
+ {"area":"normal.full"}.
+```
+- LibHomeScreen::hideWindow(const char* application_id)
+```
+ application_id [in] : This argument should be specified to the application's id