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libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/system/Brightness.kt

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+/*
+ * Copyright (c) 2025 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.androidutils.system
+
+import android.app.Activity
+import android.view.WindowManager
+
+/**
+ * Set the screen brightness for the given activity.
+ *
+ * @receiver current Activity.
+ * @param full If true, override brightness to full; otherwise, set to none (default).
+ */
+fun Activity.setFullBrightness(full: Boolean) {
+    window.attributes = window.attributes.apply {
+        screenBrightness = if (full) {
+            WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_FULL
+        } else {
+            WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE
+        }
+    }
+}