diff --git a/lv_app/lv_app_util/lv_app_notice.c b/lv_app/lv_app_util/lv_app_notice.c
index a60487752..ca4dfb6dd 100644
--- a/lv_app/lv_app_util/lv_app_notice.c
+++ b/lv_app/lv_app_util/lv_app_notice.c
@@ -74,7 +74,7 @@ lv_obj_t *  lv_app_notice_add(const char * format, ...)
     mbox = lv_mbox_create(notice_h, NULL);
     lv_obj_set_style(mbox, lv_mboxs_get(LV_MBOXS_INFO, NULL));
     lv_mbox_set_title(mbox, "");
-    lv_mbox_set_txt(mbox, txt);
+    lv_mbox_set_text(mbox, txt);
     lv_obj_set_opa(mbox, app_style->menu_opa);
 
 #if LV_APP_NOTICE_SHOW_TIME != 0
diff --git a/lv_objx/lv_mbox.c b/lv_objx/lv_mbox.c
index 5f5684881..379550470 100644
--- a/lv_objx/lv_mbox.c
+++ b/lv_objx/lv_mbox.c
@@ -201,6 +201,37 @@ bool lv_mbox_signal(lv_obj_t * mbox, lv_signal_t sign, void * param)
  * Setter functions
  *====================*/
 
+/**
+ * Set the title of the message box
+ * @param mbox pointer to a message box
+ * @param title a '\0' terminated character string which will be the message box title
+ */
+void lv_mbox_set_title(lv_obj_t * mbox, const char * title)
+{
+    lv_mbox_ext_t * ext = lv_obj_get_ext(mbox);
+
+    lv_label_set_text(ext->title, title);
+
+    /*Hide the title if it is an empty text*/
+    if(title[0] == '\0') lv_obj_set_hidden(ext->title, true);
+    else if (lv_obj_get_hidden(ext->title) != false) lv_obj_set_hidden(ext->title, false);
+
+    lv_mbox_realign(mbox);
+}
+
+/**
+ * Set the text of the message box
+ * @param mbox pointer to a message box
+ * @param txt a '\0' terminated character string which will be the message box text
+ */
+void lv_mbox_set_text(lv_obj_t * mbox, const char * txt)
+{
+    lv_mbox_ext_t * ext = lv_obj_get_ext(mbox);
+
+    lv_label_set_text(ext->txt, txt);
+    lv_mbox_realign(mbox);
+}
+
 /**
  * Add a button to the message box
  * @param mbox pointer to message box object
@@ -242,15 +273,15 @@ lv_obj_t * lv_mbox_add_btn(lv_obj_t * mbox, const char * btn_txt, lv_action_t re
  * A release action which can be assigned to a message box button to close it
  * @param btn pointer to the released button
  * @param dispi pointer to the caller display input
- * @return always false because the button is deleted with the mesage box
+ * @return always lv_action_res_t because the button is deleted with the mesage box
  */
-bool lv_mbox_close_action(lv_obj_t * btn, lv_dispi_t * dispi)
+lv_action_res_t lv_mbox_close_action(lv_obj_t * btn, lv_dispi_t * dispi)
 {
 	lv_obj_t * mbox = lv_mbox_get_from_btn(btn);
 
 	lv_obj_del(mbox);
 
-	return false;
+	return LV_ACTION_RES_INV;
 }
 
 /**
@@ -273,39 +304,6 @@ void lv_mbox_auto_close(lv_obj_t * mbox, uint16_t tout)
 #endif
 }
 
-
-/**
- * Set the title of the message box
- * @param mbox pointer to a message box
- * @param title a '\0' terminated character string which will be the message box title
- */
-void lv_mbox_set_title(lv_obj_t * mbox, const char * title)
-{
-	lv_mbox_ext_t * ext = lv_obj_get_ext(mbox);
-
-	lv_label_set_text(ext->title, title);
-
-	/*Hide the title if it is an empty text*/
-	if(title[0] == '\0') lv_obj_set_hidden(ext->title, true);
-	else if (lv_obj_get_hidden(ext->title) != false) lv_obj_set_hidden(ext->title, false);
-
-    lv_mbox_realign(mbox);
-}
-
-/**
- * Set the text of the message box
- * @param mbox pointer to a message box
- * @param txt a '\0' terminated character string which will be the message box text
- */
-void lv_mbox_set_txt(lv_obj_t * mbox, const char * txt)
-{
-	lv_mbox_ext_t * ext = lv_obj_get_ext(mbox);
-
-	lv_label_set_text(ext->txt, txt);
-	lv_mbox_realign(mbox);
-}
-
-
 /*=====================
  * Getter functions
  *====================*/
diff --git a/lv_objx/lv_mbox.h b/lv_objx/lv_mbox.h
index 67d926c28..21a5e6748 100644
--- a/lv_objx/lv_mbox.h
+++ b/lv_objx/lv_mbox.h
@@ -92,6 +92,20 @@ lv_obj_t * lv_mbox_create(lv_obj_t * par, lv_obj_t * copy);
  */
 bool lv_mbox_signal(lv_obj_t * mbox, lv_signal_t sign, void * param);
 
+/**
+ * Set the title of the message box
+ * @param mbox pointer to a message box
+ * @param title a '\0' terminated character string which will be the message box title
+ */
+void lv_mbox_set_title(lv_obj_t * mbox, const char * title);
+
+/**
+ * Set the text of the message box
+ * @param mbox pointer to a message box
+ * @param txt a '\0' terminated character string which will be the message box text
+ */
+void lv_mbox_set_text(lv_obj_t * mbox, const char * txt);
+
 /**
  * Add a button to the message box
  * @param mbox pointer to message box object
@@ -105,9 +119,9 @@ lv_obj_t * lv_mbox_add_btn(lv_obj_t * mbox, const char * btn_txt, lv_action_t re
  * A release action which can be assigned to a message box button to close it
  * @param btn pointer to the released button
  * @param dispi pointer to the caller display input
- * @return always false because the button is deleted with the mesage box
+ * @return always LV_ACTION_RES_INV because the button is deleted with the message box
  */
-bool lv_mbox_close_action(lv_obj_t * btn, lv_dispi_t * dispi);
+lv_action_res_t lv_mbox_close_action(lv_obj_t * btn, lv_dispi_t * dispi);
 
 /**
  * Automatically delete the message box after a given time
@@ -116,20 +130,6 @@ bool lv_mbox_close_action(lv_obj_t * btn, lv_dispi_t * dispi);
  */
 void lv_mbox_auto_close(lv_obj_t * mbox, uint16_t tout);
 
-/**
- * Set the title of the message box
- * @param mbox pointer to a message box
- * @param title a '\0' terminated character string which will be the message box title
- */
-void lv_mbox_set_title(lv_obj_t * mbox, const char * title);
-
-/**
- * Set the text of the message box
- * @param mbox pointer to a message box
- * @param txt a '\0' terminated character string which will be the message box text
- */
-void lv_mbox_set_txt(lv_obj_t * mbox, const char * txt);
-
 /**
  * get the title of the message box
  * @param mbox pointer to a message box object