Hi,
need help. What am I doing wrong?
my code:
//global
static lv_obj_t *main_scr;
static lv_group_t *main_group;
static lv_obj_t *model_choise;
static lv_obj_t *rssi_level;
main(void)
{
main_group = lv_group_create();
main_scr = create_main_screen(main_group);
lv_scr_load(main_scr);
}
static lv_obj_t* create_main_screen(lv_group_t *group)
{
ESP_LOGD(TAG, "%s", __FUNCTION__);
lv_obj_t *screen = lv_obj_create(NULL, NULL);
model_choise = lv_roller_create(screen, NULL);
lv_roller_set_options(model_choise, "Audi\nMercedes\nOpel\nVolvo\nVW", LV_ROLLER_MODE_INIFINITE);
lv_roller_set_visible_row_count(model_choise, 2);
//lv_roller_set_fix_width(model_choise, 0);
lv_obj_align(model_choise, NULL, LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
lv_obj_set_event_cb(model_choise, model_choise_event_cb);
lv_group_add_obj(group, model_choise);
rssi_level = lv_bar_create(screen, NULL);
lv_obj_set_size(rssi_level, 40, 10);
lv_bar_set_range(rssi_level, 0, 31);
lv_obj_align(rssi_level, NULL, LV_ALIGN_IN_TOP_LEFT, 10, 10);
lv_obj_set_user_data(rssi_level, 2); /* Store the next screen ID in user data */
lv_obj_set_event_cb(rssi_level, screen_swith);
lv_group_add_obj(group, rssi_level);
return screen;
}
static void screen_swith(lv_obj_t *obj, lv_event_t event)
{
//user data lose ???????
}