using System.Linq;
using UnityEngine;
using UnityEngine.UI;

public class Example : MonoBehaviour
{
    public Text m_Text;

    void Start()
    {
        m_Text.text = "";
    }
    
    void Update()
    {
        var allKeys = System.Enum.GetValues(typeof(KeyCode)).Cast<KeyCode>();
        foreach (var key in allKeys)
        {
            if (Input.GetKeyDown(key))
            {
                Debug.Log(key);
                m_Text.text = key.ToString();
            }

            if (Input.GetKeyUp(key))
            {
                m_Text.text = "";
            }
        }
    }
}