--- /dev/null
+/*
+ * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef HOMESCREEN_HELPER_H
+#define HOMESCREEN_HELPER_H
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+#include <stdint.h>
+#include <glib.h>
+#include <errno.h>
+
+typedef enum REQ_ERROR
+{
+ REQ_FAIL = -1,
+ REQ_OK=0,
+ NOT_NUMBER,
+ OUT_RANGE
+}REQ_ERROR;
+
+static const char* evlist[] = {
+ "tap_shortcut",
+ "on_screen_message",
+ "reserved"
+ };
+
+REQ_ERROR get_value_uint16(const struct afb_req request, const char *source, uint16_t *out_id);
+REQ_ERROR get_value_int16(const struct afb_req request, const char *source, int16_t *out_id);
+REQ_ERROR get_value_int32(const struct afb_req request, const char *source, int32_t *out_id);
+void hs_add_object_to_json_object(struct json_object* j_obj, int count, ...);
+void hs_add_object_to_json_object_str(struct json_object* j_obj, int count, ...);
+void hs_add_object_to_json_object_func(struct json_object* j_obj, const char* verb_name, int count, ...);
+int hs_search_event_name_index(const char* value);
+
+#endif /*HOMESCREEN_HELPER_H*/