80 lines
2.2 KiB
C#
80 lines
2.2 KiB
C#
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using UnityEngine;
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using UnityEngine.UI;
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#if UNITY_EDITOR
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using Screen = UnityEngine.Device.Screen; // To support Device Simulator on Unity 2021.1+
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#endif
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namespace ImageCropperNamespace
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{
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public class NotchCompensator : MonoBehaviour
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{
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#if UNITY_EDITOR || UNITY_ANDROID || UNITY_IOS
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[SerializeField]
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[Tooltip( "If enabled, on Android and iOS devices with notch screens, top buttons will be repositioned so that the cutout(s) don't obscure them" )]
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private bool avoidScreenCutout = true;
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[SerializeField]
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private RectTransform buttons;
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[SerializeField]
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private RectTransform viewport;
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[SerializeField]
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private Image notchBackground;
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private RectTransform canvasTR;
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private bool screenDimensionsChanged = true;
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private void Awake()
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{
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canvasTR = (RectTransform) transform;
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}
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// Window is resized, update the list
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private void OnRectTransformDimensionsChange()
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{
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screenDimensionsChanged = true;
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}
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private void LateUpdate()
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{
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if( screenDimensionsChanged )
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{
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CheckScreenCutout();
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screenDimensionsChanged = false;
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}
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}
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// If a cutout is intersecting with the buttons at the top on notch screens, shift these buttons downwards
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private void CheckScreenCutout()
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{
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if( !avoidScreenCutout )
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return;
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// Check if there is a cutout at the top of the screen
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int screenHeight = Screen.height;
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float safeYMax = Screen.safeArea.yMax;
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if( safeYMax < screenHeight - 1 ) // 1: a small threshold
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{
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// There is a cutout, shift the top buttons downwards
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float cutoutPercentage = ( screenHeight - safeYMax ) / Screen.height;
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float cutoutLocalSize = cutoutPercentage * canvasTR.rect.height;
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buttons.anchoredPosition = new Vector2( 0f, -cutoutLocalSize );
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viewport.sizeDelta = new Vector2( 0f, -cutoutLocalSize );
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notchBackground.rectTransform.sizeDelta = new Vector2( 0f, cutoutLocalSize + 5f ); // 5f: to prevent a thin black line from appearing when canvas is scaled with screen size
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if( !notchBackground.enabled )
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notchBackground.enabled = true;
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}
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else
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{
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buttons.anchoredPosition = Vector2.zero;
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viewport.sizeDelta = Vector2.zero;
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if( notchBackground.enabled )
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notchBackground.enabled = false;
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}
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}
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#endif
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}
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}
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