15     lv_obj_t * ta = lv_textarea_create(lv_screen_active());  in lv_example_textarea_3()  local
16     lv_obj_add_event_cb(ta, ta_event_cb, LV_EVENT_VALUE_CHANGED, NULL);  in lv_example_textarea_3()
17     lv_textarea_set_accepted_chars(ta, "0123456789:");  in lv_example_textarea_3()
18     lv_textarea_set_max_length(ta, 5);  in lv_example_textarea_3()
19     lv_textarea_set_one_line(ta, true);  in lv_example_textarea_3()
20     lv_textarea_set_text(ta, "");  in lv_example_textarea_3()
26     lv_keyboard_set_textarea(kb, ta);  in lv_example_textarea_3()
31     lv_obj_t * ta = lv_event_get_target(e);  in ta_event_cb()  local
32     const char * txt = lv_textarea_get_text(ta);  in ta_event_cb()
36         lv_textarea_set_cursor_pos(ta, 2);  in ta_event_cb()
37         lv_textarea_add_char(ta, ':');  in ta_event_cb()