unity window match safe area code example

Example: safe area unity

using UnityEngine;

    public class SafeArea : MonoBehaviour
    {
        RectTransform Panel;
        Rect LastSafeArea = new Rect (0, 0, 0, 0);

        void Awake ()
        {
            Panel = GetComponent<RectTransform> ();
            Refresh ();
        }

        void Update ()
        {
            Refresh ();
        }

        void Refresh ()
        {
            Rect safeArea = GetSafeArea ();

            if (safeArea != LastSafeArea)
                ApplySafeArea (safeArea);
        }

        Rect GetSafeArea ()
        {
            return Screen.safeArea;
        }

        void ApplySafeArea (Rect r)
        {
            LastSafeArea = r;

            // Convert safe area rectangle from absolute pixels to normalised anchor coordinates
            Vector2 anchorMin = r.position;
            Vector2 anchorMax = r.position + r.size;
            anchorMin.x /= Screen.width;
            anchorMin.y /= Screen.height;
            anchorMax.x /= Screen.width;
            anchorMax.y /= Screen.height;
            Panel.anchorMin = anchorMin;
            Panel.anchorMax = anchorMax;

            Debug.LogFormat ("New safe area applied to {0}: x={1}, y={2}, w={3}, h={4} on full extents w={5}, h={6}",
                name, r.x, r.y, r.width, r.height, Screen.width, Screen.height);
        }
    }