Remove secure log

Change-Id: Ied4b126bfc3fddee983a9b4180fd123887bde5dd
Signed-off-by: hyunho <hhstark.kang@samsung.com>

diff --git a/widget_viewer_evas/src/widget_viewer_evas.c b/widget_viewer_evas/src/widget_viewer_evas.c
index a83b081b2bf76a35a72930c73d86eb7a7b357c87..ee3c7797c918079951a9d8437b633198b063a5b7 100644 (file)
--- a/widget_viewer_evas/src/widget_viewer_evas.c
+++ b/widget_viewer_evas/src/widget_viewer_evas.c
@@ -63,18 +63,6 @@
        #define WIDGET_COUNT_OF_SIZE_TYPE 13
 #endif
 
-#if !defined(SECURE_LOGD)
-#define SECURE_LOGD LOGD
-#endif
-
-#if !defined(SECURE_LOGW)
-#define SECURE_LOGW LOGW
-#endif
-
-#if !defined(SECURE_LOGE)
-#define SECURE_LOGE LOGE
-#endif
-
 #if !defined(S_)
 #define S_(str) dgettext("sys_string", str)
 #endif
@@ -91,18 +79,6 @@
 #define _(str) gettext(str)
 #endif
 
-#if !defined(DbgPrint)
-#define DbgPrint(format, arg...)       SECURE_LOGD(format, ##arg)
-#endif
-
-#if !defined(ErrPrint)
-#define ErrPrint(format, arg...)       SECURE_LOGE(format, ##arg)
-#endif
-
-#if !defined(WarnPrint)
-#define WarnPrint(format, arg...)      SECURE_LOGW(format, ##arg)
-#endif
-
 #if !defined(WIDGET_VIEWER_EVAS_RESOURCE_EDJ)
 #define WIDGET_VIEWER_EVAS_RESOURCE_EDJ "/usr/share/widget_viewer_evas/res/edje/widget_viewer_evas.edj"
 #endif
@@ -378,7 +354,7 @@ static inline bool __is_widget_feature_enabled(void)
        ret = system_info_get_platform_bool(
                        "http://tizen.org/feature/shell.appwidget", &feature);
        if (ret != SYSTEM_INFO_ERROR_NONE) {
-               ErrPrint("failed to get system info");/* LCOV_EXCL_LINE */
+               LOGE("failed to get system info");/* LCOV_EXCL_LINE */
                return false;/* LCOV_EXCL_LINE */
        }
 
@@ -411,7 +387,7 @@ static int __check_privilege(const char *privilege)
 
        ret = read(fd, subject_label, SMACK_LABEL_LEN);
        if (ret < 0) {
-               ErrPrint("read is failed");/* LCOV_EXCL_LINE */
+               LOGE("read is failed");/* LCOV_EXCL_LINE */
                close(fd);/* LCOV_EXCL_LINE */
                goto ERROR;
        }
@@ -436,7 +412,7 @@ ERROR:
 static void __smart_callback_call(Evas_Object *obj, const char *signal, void *cbdata)
 {
        if (!obj) {
-               DbgPrint("widget is deleted, ignore smart callback call");/* LCOV_EXCL_LINE */
+               LOGD("widget is deleted, ignore smart callback call");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
        evas_object_smart_callback_call(obj, signal, cbdata);
@@ -450,28 +426,28 @@ static void __screen_connector_toolkit_evas_added_cb(const char *appid, const ch
        Evas_Object *preview;
 
        if (!image) {
-               ErrPrint("Invalid parameters");/* LCOV_EXCL_LINE */
+               LOGE("Invalid parameters");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
        info = (struct widget_info *)data;
        if (!info) {
-               ErrPrint("Unable to find a proper object");/* LCOV_EXCL_LINE */
+               LOGE("Unable to find a proper object");/* LCOV_EXCL_LINE */
                evas_object_del(image);/* LCOV_EXCL_LINE */
                return;
        }
 
        if (info->restart || (info->instance_id == NULL) || (strcmp(info->instance_id, instance_id) != 0)) {
-               ErrPrint("Wrong added info, %s %s", appid, info->widget_id);/* LCOV_EXCL_LINE */
+               LOGE("Wrong added info, %s %s", appid, info->widget_id);/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
        aul_widget_write_log(LOG_TAG, "[%s:%d]  %s",
                        __FUNCTION__, __LINE__, info->instance_id);
-       DbgPrint("widget added: %s, widget_id : %s, instance : %s, (%p)",
+       LOGD("widget added: %s, widget_id : %s, instance : %s, (%p)",
                        appid, info->widget_id, info->instance_id, image);
        evas_object_geometry_get(image, &x, &y, &w, &h);
-       DbgPrint("widget geometry:%d %d %d %d", x, y, w, h);
+       LOGD("widget geometry:%d %d %d %d", x, y, w, h);
        elm_object_part_content_set(info->layout, "tbm,widget", image);
 
        if (!info->disable_preview) {
@@ -544,7 +520,7 @@ static void __screen_connector_toolkit_evas_removed_cb(const char *appid, const
 
        info = (struct widget_info *)data;
        if (!info) {
-               ErrPrint("Unable to find a proper object");/* LCOV_EXCL_LINE */
+               LOGE("Unable to find a proper object");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
@@ -554,7 +530,7 @@ static void __screen_connector_toolkit_evas_removed_cb(const char *appid, const
        if (info->restart)
                return;
 
-       DbgPrint("widget removed: %s", appid);
+       LOGD("widget removed: %s", appid);
        elm_object_part_content_set(info->layout, "tbm,widget", NULL);
 
        if (info->disable_preview) {
@@ -583,7 +559,7 @@ static void __screen_connector_toolkit_evas_updated_cb(const char *appid, const
 static void __display_overlay_text(struct widget_info *info)
 {
        if (!info) {
-               ErrPrint("Unable to get the info");
+               LOGE("Unable to get the info");
                return;
        }
        if (!info->disable_overlay) {
@@ -600,11 +576,11 @@ static void __push_event_queue(struct widget_info *info, int event)
                info->event_queue = g_queue_new();
 
        if (info->event_queue == NULL) {
-               ErrPrint("out of memory");
+               LOGE("out of memory");
                return;
        }
 
-       DbgPrint("add event to queue:%d", event);
+       LOGD("add event to queue:%d", event);
        g_queue_push_tail(info->event_queue, GINT_TO_POINTER(event));
 }
 
@@ -656,7 +632,7 @@ static void __restart_instance()
        restart_instance_id = s_info.restart_list->data;
        info = g_hash_table_lookup(s_info.widget_table, restart_instance_id);
        evas_object_geometry_get(info->layout, NULL, NULL, &w, &h);
-       DbgPrint("Widget launch  %s, %d, %d", info->instance_id, w, h);
+       LOGD("Widget launch  %s, %d, %d", info->instance_id, w, h);
 
        ops.added_cb = __screen_connector_toolkit_evas_added_cb;
        ops.removed_cb = __screen_connector_toolkit_evas_removed_cb;
@@ -698,7 +674,7 @@ static int __restart_terminated_widget(const char *widget_id)
        }
 
        if (target_pid == 0) {
-               DbgPrint("can not find widget(%s)", widget_id);
+               LOGD("can not find widget(%s)", widget_id);
                return 0;
        }
 
@@ -722,7 +698,7 @@ static gboolean __restart_timeout_cb(gpointer user_data)
 {
        char *restart_instance_id = (char *)user_data;
 
-       WarnPrint("Timeout called !! %s", restart_instance_id);
+       LOGW("Timeout called !! %s", restart_instance_id);
        __remove_restart_info(restart_instance_id);
        __restart_instance();
        return G_SOURCE_REMOVE;
@@ -746,7 +722,7 @@ static int __handle_restart_widget_request(const char *widget_id)
        }
 
        if (target_pid == 0) {
-               WarnPrint("can not find widget (%s)", widget_id);
+               LOGW("can not find widget (%s)", widget_id);
                return 0;
        }
 
@@ -757,7 +733,7 @@ static int __handle_restart_widget_request(const char *widget_id)
                        widget_instance_info->restart = true;
        }
        aul_terminate_pid_async(target_pid);
-       DbgPrint("Widget __handle_restart_widget_request id : %s, pid : %d",
+       LOGD("Widget __handle_restart_widget_request id : %s, pid : %d",
                        widget_id, target_pid);
        aul_widget_write_log(LOG_TAG, "[%s:%d]  %s, targetpid : %d",
                        __FUNCTION__, __LINE__, widget_id, target_pid);
@@ -775,7 +751,7 @@ static int __instance_event_cb(const char *widget_id, const char *instance_id, i
        widget_instance_h handle;
        int err;
 
-       DbgPrint("widget_id : %s (%d)", widget_id, event);
+       LOGD("widget_id : %s (%d)", widget_id, event);
        if (event == WIDGET_INSTANCE_EVENT_APP_RESTART_REQUEST) {
                __handle_restart_widget_request(widget_id);
                return 0;
@@ -783,7 +759,7 @@ static int __instance_event_cb(const char *widget_id, const char *instance_id, i
 
        info = g_hash_table_lookup(s_info.widget_table, instance_id);
        if (!info) {
-               ErrPrint("Unable to find a proper object");/* LCOV_EXCL_LINE */
+               LOGE("Unable to find a proper object");/* LCOV_EXCL_LINE */
                return -1;/* LCOV_EXCL_LINE */
        }
 
@@ -795,7 +771,7 @@ static int __instance_event_cb(const char *widget_id, const char *instance_id, i
                }
        }
 
-       DbgPrint("update: %s (%d)", instance_id, event);
+       LOGD("update: %s (%d)", instance_id, event);
 
        event_info.error = WIDGET_ERROR_NONE;
        event_info.widget_app_id = info->widget_id;
@@ -824,12 +800,12 @@ static int __instance_event_cb(const char *widget_id, const char *instance_id, i
                smart_signal = WIDGET_SMART_SIGNAL_EXTRA_INFO_UPDATED;
                handle = widget_instance_get_instance(info->widget_id, info->instance_id);
                if (!handle) {
-                       ErrPrint("instance handle of widget(%s) is invalid data", info->instance_id);
+                       LOGE("instance handle of widget(%s) is invalid data", info->instance_id);
                        break;
                }
 
                if (widget_instance_get_content(handle, &content_info) < 0) {
-                       ErrPrint("Failed to get content of widget(%s)", info->instance_id);
+                       LOGE("Failed to get content of widget(%s)", info->instance_id);
                        widget_instance_unref(handle);
                        break;
                }
@@ -843,7 +819,7 @@ static int __instance_event_cb(const char *widget_id, const char *instance_id, i
                widget_instance_unref(handle);
                break;
        case WIDGET_INSTANCE_EVENT_FAULT:
-               WarnPrint("widget faulted (%s)", instance_id);
+               LOGW("widget faulted (%s)", instance_id);
                event_info.error = WIDGET_ERROR_FAULT;
                event_info.event = WIDGET_FAULT_DEACTIVATED;
                smart_signal = WIDGET_SMART_SIGNAL_WIDGET_FAULTED;
@@ -853,11 +829,11 @@ static int __instance_event_cb(const char *widget_id, const char *instance_id, i
                __display_overlay_text(info);
                break;
        case WIDGET_INSTANCE_EVENT_CREATE_ABORTED:
-               WarnPrint("widget aborted (%s)", instance_id);
+               LOGW("widget aborted (%s)", instance_id);
                handle = widget_instance_get_instance(info->widget_id,
                                info->instance_id);
                if (!handle) {
-                       ErrPrint("instance handle of widget(%s) is invalid data",/* LCOV_EXCL_LINE */
+                       LOGE("instance handle of widget(%s) is invalid data",/* LCOV_EXCL_LINE */
                                        info->instance_id);/* LCOV_EXCL_LINE */
                        break;/* LCOV_EXCL_LINE */
                }
@@ -880,7 +856,7 @@ static int __instance_event_cb(const char *widget_id, const char *instance_id, i
        }
 
        if (!info->layout) {
-               ErrPrint("object is not ready");
+               LOGE("object is not ready");
                return 0;
        }
 
@@ -891,7 +867,7 @@ static int __instance_event_cb(const char *widget_id, const char *instance_id, i
 
 static int __lifecycle_event_cb(const char *widget_id, widget_lifecycle_event_e lifecycle_event, const char *widget_instance_id, void *data)
 {
-       DbgPrint("__lifecycle_event_cb %s (%d)", widget_id, lifecycle_event);
+       LOGD("__lifecycle_event_cb %s (%d)", widget_id, lifecycle_event);
        if (lifecycle_event == WIDGET_LIFE_CYCLE_EVENT_APP_DEAD) {
                __restart_terminated_widget(widget_id);
        }
@@ -901,13 +877,13 @@ static int __lifecycle_event_cb(const char *widget_id, widget_lifecycle_event_e
 static void __flush_event_queue(struct widget_info *info)
 {
        if (!info->event_queue) {
-               DbgPrint("event queue is empty. nothing to flush");
+               LOGD("event queue is empty. nothing to flush");
                return;
        }
 
        while (!g_queue_is_empty(info->event_queue)) {
                int event = GPOINTER_TO_INT(g_queue_pop_head(info->event_queue));
-               DbgPrint("call pending event %d", event);
+               LOGD("call pending event %d", event);
                __instance_event_cb(info->widget_id, info->instance_id, event, NULL);
        }
 
@@ -926,19 +902,19 @@ API int widget_viewer_evas_init(Evas_Object *win)
                return WIDGET_ERROR_PERMISSION_DENIED;
 
        if (!win) {
-               ErrPrint("win object is invalid");
+               LOGE("win object is invalid");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        if (s_info.initialized) {
-               ErrPrint("Already initialized");/* LCOV_EXCL_LINE */
+               LOGE("Already initialized");/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_ALREADY_EXIST;
        }
 
        if (!bindtextdomain(PKGNAME, WIDGET_VIEWER_EVAS_RESOURCE_PO))
-               ErrPrint("bindtextdomain: %d", errno);
+               LOGE("bindtextdomain: %d", errno);
        else
-               DbgPrint("%s - %s", PKGNAME, WIDGET_VIEWER_EVAS_RESOURCE_PO);
+               LOGD("%s - %s", PKGNAME, WIDGET_VIEWER_EVAS_RESOURCE_PO);
 
        s_info.win = win;
 
@@ -946,7 +922,7 @@ API int widget_viewer_evas_init(Evas_Object *win)
        screen_connector_toolkit_evas_start_visibility_notify();
 
        if (aul_app_get_appid_bypid(getpid(), app_id, sizeof(app_id)) != AUL_R_OK) {
-               ErrPrint("failed to get appid of pid:%d", getpid());/* LCOV_EXCL_LINE */
+               LOGE("failed to get appid of pid:%d", getpid());/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
@@ -970,7 +946,7 @@ API int widget_viewer_evas_fini(void)
                return WIDGET_ERROR_PERMISSION_DENIED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return WIDGET_ERROR_FAULT;
        }
 
@@ -1003,7 +979,7 @@ API int widget_viewer_evas_notify_resumed_status_of_viewer(void)
                return WIDGET_ERROR_NOT_SUPPORTED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return WIDGET_ERROR_FAULT;
        }
 
@@ -1035,7 +1011,7 @@ API int widget_viewer_evas_notify_resumed_status_of_viewer(void)
 
                                ret = __instance_resume(info);
                                if (ret < 0) {
-                                       ErrPrint("Fail to resume the widget(%s):(%d)",
+                                       LOGE("Fail to resume the widget(%s):(%d)",
                                                        info->instance_id, ret);
                                }
                        } else {
@@ -1060,7 +1036,7 @@ API int widget_viewer_evas_notify_paused_status_of_viewer(void)
                return WIDGET_ERROR_NOT_SUPPORTED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return WIDGET_ERROR_FAULT;
        }
 
@@ -1074,7 +1050,7 @@ API int widget_viewer_evas_notify_paused_status_of_viewer(void)
                        if (info->is_created) {
                                ret = __instance_pause(info);
                                if (ret < 0) {
-                                       ErrPrint("Fail to pause the widget(%s):(%d)",
+                                       LOGE("Fail to pause the widget(%s):(%d)",
                                                        info->instance_id, ret);
                                }
                        } else {
@@ -1093,7 +1069,7 @@ API int widget_viewer_evas_notify_orientation_of_viewer(int orientation)
                return WIDGET_ERROR_NOT_SUPPORTED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return WIDGET_ERROR_FAULT;
        }
 
@@ -1101,7 +1077,7 @@ API int widget_viewer_evas_notify_orientation_of_viewer(int orientation)
                return WIDGET_ERROR_PERMISSION_DENIED;
 
        if (orientation < 0 || orientation > 360) {
-               ErrPrint("orientation is invalid parameter");
+               LOGE("orientation is invalid parameter");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
@@ -1116,7 +1092,7 @@ static void __del_cb(void *data, Evas *e, Evas_Object *layout, void *event_info)
        char *widget_id;
        char *instance_id;
 
-       DbgPrint("delete: layout(%p)", layout);
+       LOGD("delete: layout(%p)", layout);
        aul_widget_write_log(LOG_TAG, "[%s:%d]  %s",
                        __FUNCTION__, __LINE__, info->instance_id);
 
@@ -1134,13 +1110,13 @@ static void __del_cb(void *data, Evas *e, Evas_Object *layout, void *event_info)
 
        widget_id = strdup(info->widget_id);
        if (widget_id == NULL) {
-               ErrPrint("out of memory");
+               LOGE("out of memory");
                return;
        }
 
        instance_id = strdup(info->instance_id);
        if (instance_id == NULL) {
-               ErrPrint("out of memory");
+               LOGE("out of memory");
                free(widget_id);
                return;
        }
@@ -1203,7 +1179,7 @@ static void __resize_cb(void *data, Evas *e, Evas_Object *layout, void *event_in
                if (info->pid < 0) {
                        /* LCOV_EXCL_START */
                        struct widget_evas_event_info event_info;
-                       ErrPrint("Failed to launch an widget");
+                       LOGE("Failed to launch an widget");
                        event_info.error = info->pid;
                        event_info.widget_app_id = info->widget_id;
                        event_info.event = WIDGET_EVENT_CREATED;
@@ -1220,7 +1196,7 @@ static void __resize_cb(void *data, Evas *e, Evas_Object *layout, void *event_in
                 * Layout will be resized, consequently, the tbm object also will be resized.
                 */
                if (info->is_created) {
-                       DbgPrint("send resize : %s, w %d h %d", info->instance_id, w, h);
+                       LOGD("send resize : %s, w %d h %d", info->instance_id, w, h);
                        widget_instance_resize(info->instance_id, w, h);
                } else {
                        item = __create_pending_item("resize", w, h);
@@ -1247,13 +1223,13 @@ static bool __obj_is_visible(Evas_Object *layout)
        if (x >= 0 && x < window_w &&
                        y >= 0 && y < window_h &&
                        (rotation == 0 || rotation == 180)) {
-               DbgPrint("x %d, y %d w %d h %d, window_w %d window_h %d rotation %d",
+               LOGD("x %d, y %d w %d h %d, window_w %d window_h %d rotation %d",
                                x, y, w, h, window_w, window_h, rotation);
                return true;
        } else if (x >= 0 && x < window_h &&
                        y >= 0 && y < window_w &&
                        (rotation == 90 || rotation == 270)) {
-               DbgPrint("x %d, y %d w %d h %d, window_w %d window_h %d rotation %d",
+               LOGD("x %d, y %d w %d h %d, window_w %d window_h %d rotation %d",
                                x, y, w, h, window_w, window_h, rotation);
                return true;
        }
@@ -1270,7 +1246,7 @@ static void __move_cb(void *data, Evas *e, Evas_Object *layout, void *event_info
        if (__obj_is_visible(layout)) {
                if (info->pid < 0) {
                        info->restart = true;
-                       DbgPrint("restart! %s", info->widget_id);
+                       LOGD("restart! %s", info->widget_id);
                        if (!info->disable_preview) {
                                __create_preview_image(info->layout, info->widget_id);
                                elm_object_signal_emit(info->layout, "enable", "preview");
@@ -1343,7 +1319,7 @@ static struct widget_info *create_info(Evas_Object *parent, const char *widget_i
 
        info = (struct widget_info *)calloc(1, sizeof(*info));
        if (!info) {
-               ErrPrint("malloc: %s", strerror_r(errno, err_buf, sizeof(err_buf)));/* LCOV_EXCL_LINE */
+               LOGE("malloc: %s", strerror_r(errno, err_buf, sizeof(err_buf)));/* LCOV_EXCL_LINE */
                goto out;/* LCOV_EXCL_LINE */
        }
 
@@ -1403,13 +1379,13 @@ API Evas_Object *widget_viewer_evas_add_widget(Evas_Object *parent, const char *
        int *cur_instance_cnt;
 
        if (!__is_widget_feature_enabled()) {
-               ErrPrint("widget is not supported");/* LCOV_EXCL_LINE */
+               LOGE("widget is not supported");/* LCOV_EXCL_LINE */
                set_last_result(WIDGET_ERROR_NOT_SUPPORTED);/* LCOV_EXCL_LINE */
                return NULL;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
                return NULL;
        }
@@ -1417,7 +1393,7 @@ API Evas_Object *widget_viewer_evas_add_widget(Evas_Object *parent, const char *
        max_instance_cnt = widget_service_get_widget_max_count(widget_id);
        if (max_instance_cnt < 0) {
                set_last_result(WIDGET_ERROR_FAULT);/* LCOV_EXCL_LINE */
-               ErrPrint("get widget max instance count fail");/* LCOV_EXCL_LINE */
+               LOGE("get widget max instance count fail");/* LCOV_EXCL_LINE */
                return NULL;
        }
 
@@ -1425,7 +1401,7 @@ API Evas_Object *widget_viewer_evas_add_widget(Evas_Object *parent, const char *
        if (cur_instance_cnt == NULL) {
                cur_instance_cnt = (int *)calloc(1, sizeof(int));
                if (cur_instance_cnt == NULL) {
-                       ErrPrint("Fail to calloc instance cnt");
+                       LOGE("Fail to calloc instance cnt");
                        set_last_result(WIDGET_ERROR_FAULT);
                        return NULL;
                }
@@ -1435,31 +1411,31 @@ API Evas_Object *widget_viewer_evas_add_widget(Evas_Object *parent, const char *
 
        if (max_instance_cnt != 0 && max_instance_cnt <= *cur_instance_cnt) {
                set_last_result(WIDGET_ERROR_MAX_EXCEEDED);
-               ErrPrint("already have max count instances");
+               LOGE("already have max count instances");
                return NULL;
        }
 
        if (!__is_widget_feature_enabled()) {
                set_last_result(WIDGET_ERROR_NOT_SUPPORTED);/* LCOV_EXCL_LINE */
-               ErrPrint("Widget Feature is disabled");/* LCOV_EXCL_LINE */
+               LOGE("Widget Feature is disabled");/* LCOV_EXCL_LINE */
                return NULL;
        }
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("Widget viewer evas is not initialized");
+               LOGE("Widget viewer evas is not initialized");
                return NULL;
        }
 
        if (!parent) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("parent(window) object is invalid");
+               LOGE("parent(window) object is invalid");
                return NULL;
        }
 
        if (!widget_id) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget package id is invalid");
+               LOGE("widget package id is invalid");
                return NULL;
        }
 
@@ -1470,14 +1446,14 @@ API Evas_Object *widget_viewer_evas_add_widget(Evas_Object *parent, const char *
 
        if (!instance_id) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("Failed to get instance_id: %s", widget_id);
+               LOGE("Failed to get instance_id: %s", widget_id);
                return NULL;
        }
 
        widget_instance_info = create_info(parent, widget_id, instance_id, content_info);
        if (!widget_instance_info) {
                set_last_result(WIDGET_ERROR_FAULT);/* LCOV_EXCL_LINE */
-               ErrPrint("Unable to create an information object");/* LCOV_EXCL_LINE */
+               LOGE("Unable to create an information object");/* LCOV_EXCL_LINE */
                widget_instance_destroy(instance_id);/* LCOV_EXCL_LINE */
                return NULL;
        }
@@ -1510,7 +1486,7 @@ API int widget_viewer_evas_set_option(widget_evas_conf_e type, int value)
                return WIDGET_ERROR_PERMISSION_DENIED;
 
        if (type < WIDGET_VIEWER_EVAS_MANUAL_PAUSE_RESUME || type > WIDGET_VIEWER_EVAS_UNKNOWN) {
-               ErrPrint("type is invalid");
+               LOGE("type is invalid");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
@@ -1542,7 +1518,7 @@ API int widget_viewer_evas_pause_widget(Evas_Object *widget)
                return WIDGET_ERROR_NOT_SUPPORTED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return WIDGET_ERROR_FAULT;
        }
 
@@ -1550,25 +1526,25 @@ API int widget_viewer_evas_pause_widget(Evas_Object *widget)
                return WIDGET_ERROR_PERMISSION_DENIED;
 
        if (!widget) {
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_INVALID_PARAMETER;/* LCOV_EXCL_LINE */
        }
 
        if (info->visibility_freeze) {
-               ErrPrint("widget(%p) is freezing visibility(%d)", widget, info->visibility_freeze);
+               LOGE("widget(%p) is freezing visibility(%d)", widget, info->visibility_freeze);
                return WIDGET_ERROR_DISABLED;
        }
 
        if (info->is_created) {
                ret = __instance_pause(info);
                if (ret < 0) {
-                       ErrPrint("Fail to pause the widget(%p):(%d)", widget, ret);
+                       LOGE("Fail to pause the widget(%p):(%d)", widget, ret);
                        return ret;
                }
        } else {
@@ -1589,7 +1565,7 @@ API int widget_viewer_evas_resume_widget(Evas_Object *widget)
                return WIDGET_ERROR_NOT_SUPPORTED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return WIDGET_ERROR_FAULT;
        }
 
@@ -1597,25 +1573,25 @@ API int widget_viewer_evas_resume_widget(Evas_Object *widget)
                return WIDGET_ERROR_PERMISSION_DENIED;
 
        if (!widget) {
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_INVALID_PARAMETER;/* LCOV_EXCL_LINE */
        }
 
        if (info->visibility_freeze) {
-               ErrPrint("widget(%p) is freezing visibility(%d)", widget, info->visibility_freeze);
+               LOGE("widget(%p) is freezing visibility(%d)", widget, info->visibility_freeze);
                return WIDGET_ERROR_DISABLED;
        }
 
        if (info->is_created) {
                ret = __instance_resume(info);
                if (ret < 0) {
-                       ErrPrint("Fail to resume the widget(%p):(%d)", widget, ret);
+                       LOGE("Fail to resume the widget(%p):(%d)", widget, ret);
                        return ret;
                }
        } else {
@@ -1637,18 +1613,18 @@ API const char *widget_viewer_evas_get_content_info(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return NULL;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return NULL;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
                return NULL;
        }
@@ -1656,7 +1632,7 @@ API const char *widget_viewer_evas_get_content_info(Evas_Object *widget)
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return NULL;
        }
 
@@ -1675,26 +1651,26 @@ API const char *widget_viewer_evas_get_title_string(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return NULL;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return NULL;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return NULL;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return NULL;
        }
 
@@ -1715,26 +1691,26 @@ API const char *widget_viewer_evas_get_widget_id(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return NULL;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return NULL;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return NULL;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return NULL;
        }
 
@@ -1750,26 +1726,26 @@ API double widget_viewer_evas_get_period(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return -1.0f;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return -1.0f;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return -1.0f;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return -1.0f;
        }
 
@@ -1788,26 +1764,26 @@ API void widget_viewer_evas_cancel_click_event(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return;
        }
 
@@ -1816,7 +1792,7 @@ API void widget_viewer_evas_cancel_click_event(Evas_Object *widget)
        remote_obj = elm_object_part_content_get(widget, "tbm,widget");
        if (!remote_obj) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return;
        }
 
@@ -1834,29 +1810,29 @@ API int widget_viewer_evas_feed_mouse_up_event(Evas_Object *widget)
                return WIDGET_ERROR_NOT_SUPPORTED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return WIDGET_ERROR_FAULT;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_PERMISSION_DENIED;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
-               ErrPrint("widget(%p) don't have the info", widget);
+               LOGE("widget(%p) don't have the info", widget);
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        remote_obj = elm_object_part_content_get(widget, "tbm,widget");
        if (!remote_obj) {
-               ErrPrint("widget object is invalid");/* LCOV_EXCL_LINE */
+               LOGE("widget object is invalid");/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_INVALID_PARAMETER;/* LCOV_EXCL_LINE */
        }
 
@@ -1882,25 +1858,25 @@ API void widget_viewer_evas_disable_preview(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
@@ -1927,25 +1903,25 @@ API void widget_viewer_evas_disable_overlay_text(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return;
        }
 
@@ -1971,25 +1947,25 @@ API void widget_viewer_evas_disable_loading(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return;
        }
 
@@ -2010,26 +1986,26 @@ API void widget_viewer_evas_activate_faulted_widget(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return;
        }
 
@@ -2066,7 +2042,7 @@ API void widget_viewer_evas_activate_faulted_widget(Evas_Object *widget)
                info->is_faulted = false;
                info->pid = widget_instance_launch(info->instance_id, info->content_info, w, h);
                if (info->pid < 0) {
-                       ErrPrint("Failed to launch an widget");
+                       LOGE("Failed to launch an widget");
                        event_info.error = info->pid;
                        event_info.widget_app_id = info->widget_id;
                        event_info.event = WIDGET_EVENT_CREATED;
@@ -2096,26 +2072,26 @@ API bool widget_viewer_evas_is_faulted(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return false;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return false;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return false;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return false;/* LCOV_EXCL_LINE */
        }
 
@@ -2132,49 +2108,49 @@ API int widget_viewer_evas_freeze_visibility(Evas_Object *widget, widget_visibil
                return WIDGET_ERROR_NOT_SUPPORTED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");/* LCOV_EXCL_LINE */
+               LOGE("widget viewer evas is not initialized");/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_FAULT;/* LCOV_EXCL_LINE */
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_PERMISSION_DENIED;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
-               ErrPrint("widget(%p) don't have the info", widget);
+               LOGE("widget(%p) don't have the info", widget);
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        tbm_obj = elm_object_part_content_get(widget, "tbm,widget");
        if (!tbm_obj) {
-               ErrPrint("widget object is invalid\n");/* LCOV_EXCL_LINE */
+               LOGE("widget object is invalid\n");/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_INVALID_PARAMETER;/* LCOV_EXCL_LINE */
        }
 
        if (status == WIDGET_VISIBILITY_STATUS_SHOW_FIXED) {
                ret = screen_connector_toolkit_evas_freeze_visibility(tbm_obj, VISIBILITY_TYPE_UNOBSCURED);
                if (ret < 0) {
-                       ErrPrint("Fail to resume the widget(%p):(%d)", widget, ret);
+                       LOGE("Fail to resume the widget(%p):(%d)", widget, ret);
                        return ret;
                }
                info->visibility_freeze = status;
        } else if (status == WIDGET_VISIBILITY_STATUS_HIDE_FIXED) {
                ret = screen_connector_toolkit_evas_freeze_visibility(tbm_obj, VISIBILITY_TYPE_FULLY_OBSCURED);
                if (ret < 0) {
-                       ErrPrint("Fail to pause the widget(%p):(%d)", widget, ret);
+                       LOGE("Fail to pause the widget(%p):(%d)", widget, ret);
                        return ret;
                }
                info->visibility_freeze = status;
        } else {
 
-               ErrPrint("status value is invalid");
+               LOGE("status value is invalid");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
@@ -2190,29 +2166,29 @@ API int widget_viewer_evas_thaw_visibility(Evas_Object *widget)
                return WIDGET_ERROR_NOT_SUPPORTED;
 
        if (!s_info.initialized) {
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return WIDGET_ERROR_FAULT;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_PERMISSION_DENIED;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_INVALID_PARAMETER;/* LCOV_EXCL_LINE */
        }
 
        tbm_obj = elm_object_part_content_get(widget, "tbm,widget");
        if (!tbm_obj) {
-               ErrPrint("widget object is invalid\n");/* LCOV_EXCL_LINE */
+               LOGE("widget object is invalid\n");/* LCOV_EXCL_LINE */
                return WIDGET_ERROR_INVALID_PARAMETER;/* LCOV_EXCL_LINE */
        }
 
@@ -2233,26 +2209,26 @@ API bool widget_viewer_evas_is_visibility_frozen(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return false;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return false;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return false;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return false;/* LCOV_EXCL_LINE */
        }
 
@@ -2273,26 +2249,26 @@ API bool widget_viewer_evas_is_widget(Evas_Object *widget)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return false;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return false;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return false;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return false;/* LCOV_EXCL_LINE */
        }
 
@@ -2310,26 +2286,26 @@ API void widget_viewer_evas_set_permanent_delete(Evas_Object *widget, int flag)
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return;
        }
 
        if (__check_privilege(WIDGET_PRIVILEGE) < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return;/* LCOV_EXCL_LINE */
        }
 
@@ -2348,26 +2324,26 @@ API const char *widget_viewer_evas_get_widget_instance_id(Evas_Object *widget)
 
        if (__check_privilege("http://tizen.org/privilege/widget.viewer") < 0) {
                set_last_result(WIDGET_ERROR_PERMISSION_DENIED);/* LCOV_EXCL_LINE */
-               ErrPrint("Permission deny");/* LCOV_EXCL_LINE */
+               LOGE("Permission deny");/* LCOV_EXCL_LINE */
                return NULL;/* LCOV_EXCL_LINE */
        }
 
        if (!s_info.initialized) {
                set_last_result(WIDGET_ERROR_FAULT);
-               ErrPrint("widget viewer evas is not initialized");
+               LOGE("widget viewer evas is not initialized");
                return NULL;
        }
 
        if (!widget) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
-               ErrPrint("widget object is invalid");
+               LOGE("widget object is invalid");
                return NULL;
        }
 
        info = evas_object_data_get(widget, WIDGET_INFO_TAG);
        if (!info) {
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);/* LCOV_EXCL_LINE */
-               ErrPrint("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
+               LOGE("widget(%p) don't have the info", widget);/* LCOV_EXCL_LINE */
                return NULL;/* LCOV_EXCL_LINE */
        }
 
@@ -2396,13 +2372,13 @@ API int widget_viewer_evas_launch_setup_app(Evas_Object *widget)
 
        widget_id = widget_viewer_evas_get_widget_id(widget);
        if (!widget_id) {
-               ErrPrint("cannot get widget id from object");
+               LOGE("cannot get widget id from object");
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
 
        setup_appid = widget_service_get_app_id_of_setup_app(widget_id);
        if (!setup_appid) {
-               ErrPrint("widget[%s] does not have setup appid", widget_id);
+               LOGE("widget[%s] does not have setup appid", widget_id);
                return WIDGET_ERROR_NOT_EXIST;
        }
 
@@ -2416,7 +2392,7 @@ API int widget_viewer_evas_launch_setup_app(Evas_Object *widget)
        app_control_add_extra_data(service, APP_CONTROL_DATA_WIDGET_CONTENT, content_info);
 
        if (app_control_send_launch_request(service, NULL, NULL) != APP_CONTROL_ERROR_NONE)
-               ErrPrint("Failed to launch setup app[%s]", setup_appid);
+               LOGE("Failed to launch setup app[%s]", setup_appid);
 
        app_control_destroy(service);
        free(setup_appid);