LVGL 8.2 Menu

Simple Menu

static void lv_example_menu_1(void)
{
    
    /*Create a menu object*/
    lv_obj_t* menu = lv_menu_create(lv_scr_act()); //  Create menu object 
    lv_obj_set_size(menu, lv_disp_get_hor_res(NULL), lv_disp_get_ver_res(NULL));// Set size 
    lv_obj_center(menu); // centered 
    lv_obj_t* cont; 
    lv_obj_t* label;
    /*Create a sub page*/
    lv_obj_t* sub_page = lv_menu_page_create(menu, NULL); // Create menu subpage sub_page
    cont = lv_menu_cont_create(sub_page); // stay sub_page Create on object cont Containers 
    label = lv_label_create(cont);  //  stay cont To create a Label
    lv_label_set_text(label, "Hello, I am hiding here"); // Set display content 
    /*Create a main page*/
    lv_obj_t* main_page = lv_menu_page_create(menu, NULL); // Create menu subpage main_page 
    cont = lv_menu_cont_create(main_page); // stay main_page  Create on object cont Containers 
    label = lv_label_create(cont);  //  stay cont To create a Label
    lv_label_set_text(label, "Item 1");  // Set display content Item 1
    cont = lv_menu_cont_create(main_page); // stay main_page  Create on object cont Containers 
    label = lv_label_create(cont);  //  stay cont To create a Label
    lv_label_set_text(label, "Item 2"); // Set display content Item 2
    cont = lv_menu_cont_create(main_page); // stay main_page  Create on object cont Containers 
    label = lv_label_create(cont); //  stay cont To create a Label
    lv_label_set_text(label, "Item 3 (Click me!)"); // Set display content Item 3 (Click me!)
    lv_menu_set_load_page_event(menu, cont, sub_page);// The Settings menu menu in cont The container is clicked and jumps to sub_page
    lv_menu_set_page(menu, main_page);// Set up main_page For the current menu Display page for 
}

Running effect

item1 and item2 Add jump page

static void lv_example_menu_1(void)
{
    
    /*Create a menu object*/
    lv_obj_t* menu = lv_menu_create(lv_scr_act());
    lv_obj_set_size(menu, lv_disp_get_hor_res(NULL), lv_disp_get_ver_res(NULL));
    lv_obj_center(menu);
    lv_obj_t* cont;
    lv_obj_t* label;
    /*Create a sub page*/
    lv_obj_t* sub_page = lv_menu_page_create(menu, NULL);
    cont = lv_menu_cont_create(sub_page);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Hello, I am hiding here");

    lv_obj_t* sub_page1 = lv_menu_page_create(menu, NULL);
    cont = lv_menu_cont_create(sub_page1);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Hello, I am a sub_page1");

    lv_obj_t* sub_page2 = lv_menu_page_create(menu, NULL);
    cont = lv_menu_cont_create(sub_page2);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Hello, I am a sub_page2");


    /*Create a main page*/
    lv_obj_t* main_page = lv_menu_page_create(menu, NULL);
    cont = lv_menu_cont_create(main_page);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Item 1");
    lv_menu_set_load_page_event(menu, cont, sub_page1);
    cont = lv_menu_cont_create(main_page);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Item 2");
    lv_menu_set_load_page_event(menu, cont, sub_page2);
    cont = lv_menu_cont_create(main_page);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Item 3 (Click me!)");
    lv_menu_set_load_page_event(menu, cont, sub_page);
    lv_menu_set_page(menu, main_page);
}

Running effect