LuatOS/demo/lvgl/win32/lvgl_demo_test/cont_demo.lua

local cont_demo = {}


function cont_demo.demo()
    local cont;
    cont = lvgl.cont_create(lvgl.scr_act(), nil);
    lvgl.obj_set_auto_realign(cont, true);                    --Auto realign when the size changes*/
    lvgl.obj_align_origo(cont, nil, lvgl.ALIGN_CENTER, 0, 0);  --This parametrs will be sued when realigned*/
    lvgl.cont_set_fit(cont, lvgl.FIT_TIGHT);
    lvgl.cont_set_layout(cont, lvgl.LAYOUT_COLUMN_MID);

    local label;
    label = lvgl.label_create(cont, nil);
    lvgl.label_set_text(label, "Short text");

    sys.wait(500)

    label = lvgl.label_create(cont, nil);
    lvgl.label_set_text(label, "It is a long text");

    sys.wait(500)

    label = lvgl.label_create(cont, nil);
    lvgl.label_set_text(label, "Here is an even longer text");
end

return cont_demo