How to get button pressed

Description

i create two button,when keypad or pointer trigger,how to know which button pressed in callback.

What MCU/Processor/Board and compiler are you using?

What LVGL version are you using?

V8.0.2

What do you want to achieve?

What have you tried so far?

Code to reproduce

Add a code snippet which can run in the simulator. It should contain only the relevant code that compiles without errors when separated from your main code base.

The code block(s) should be formatted like:

lv_obj_t * btn_set_time = lv_btn_create(screen);
    lv_obj_align(btn_set_time, LV_ALIGN_TOP_MID, 0,50);
    lv_obj_add_event_cb(btn_set_time, Setting_event_cb, LV_EVENT_KEY, NULL);
    lv_obj_add_event_cb(btn_set_time, Setting_event_cb, LV_EVENT_PRESSED, NULL);

    lv_obj_t * label_set_time = lv_label_create(btn_set_time);
    lv_label_set_text(label_set_time, "1-Set time and date");
    lv_group_add_obj(s_group_keypad_indev,btn_set_time);
    lv_indev_set_group(btn_set_time, s_group_keypad_indev);

    lv_obj_t * btn_set_account = lv_btn_create(screen);
    lv_obj_align(btn_set_account, LV_ALIGN_TOP_MID, 0,90);
    lv_obj_add_event_cb(btn_set_account, Setting_event_cb, LV_EVENT_KEY, NULL);
    lv_obj_add_event_cb(btn_set_account, Setting_event_cb, LV_EVENT_PRESSED, NULL);

    lv_obj_t * label_set_account = lv_label_create(btn_set_account);
    lv_label_set_text(label_set_account, "2-My account");
    lv_group_add_obj(s_group_keypad_indev,btn_set_account);
    lv_indev_set_group(btn_set_account, s_group_keypad_indev);


static void Setting_event_cb(lv_event_t * event)
{
    lv_event_code_t code = lv_event_get_code(event);
    lv_indev_t * indev = lv_indev_get_act();
    lv_indev_type_t indev_type = lv_indev_get_type(indev);
    TRACE(DBG_TRACE_LVL,"%s-EVENT=%d\r\n",__FUNCTION__,code);
    if(indev_type==LV_INDEV_TYPE_KEYPAD && code==LV_EVENT_KEY)
    {
        uint32_t key=lv_indev_get_key(indev);
        switch(key)
        {
            case LV_KEY_UP:
                lv_group_focus_prev(s_group_keypad_indev);
                break;
            case LV_KEY_DOWN:
                lv_group_focus_next(s_group_keypad_indev);
                break;
            case LV_KEY_ENTER:
                MenuWifi_search();
                break;
        }
    }
    else if(indev_type==LV_INDEV_TYPE_POINTER)
    {

    }
}

Screenshot and/or video

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