LVGL 8.2 Simple Menu with custom header

Simple Menu with custom header

static void lv_example_menu_3(void)
{
    /*Create a menu object*/
    lv_obj_t* menu = lv_menu_create(lv_scr_act());  // 创建menu对象
    lv_obj_set_size(menu, lv_disp_get_hor_res(NULL), lv_disp_get_ver_res(NULL)); // 设置大小
    lv_obj_center(menu);  // 居中显示
    /*Modify the header*/
    lv_obj_t* back_btn = lv_menu_get_main_header_back_btn(menu); // 获取菜单头部返回键
    lv_obj_t* back_btn_label = lv_label_create(back_btn); //在返回键上创建label
    lv_label_set_text(back_btn_label, "Back"); //设置label显示内容
    lv_obj_t* cont;
    lv_obj_t* label;
    /*Create sub pages*/
    lv_obj_t* sub_1_page = lv_menu_page_create(menu, "Page 1");   
    cont = lv_menu_cont_create(sub_1_page);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Hello, I am hiding here");
    lv_obj_t* sub_2_page = lv_menu_page_create(menu, "Page 2"); 
    cont = lv_menu_cont_create(sub_2_page);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Hello, I am hiding here");
    lv_obj_t* sub_3_page = lv_menu_page_create(menu, "Page 3");
    cont = lv_menu_cont_create(sub_3_page);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Hello, I am hiding here");
    /*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 (Click me!)");
    lv_menu_set_load_page_event(menu, cont, sub_1_page);  
    cont = lv_menu_cont_create(main_page);
    label = lv_label_create(cont);
    lv_label_set_text(label, "Item 2 (Click me!)");
    lv_menu_set_load_page_event(menu, cont, sub_2_page);
    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_3_page);
    lv_menu_set_page(menu, main_page);
}

运行效果