DeviceScreenUtils.kt

private val displayMetrics: DisplayMetrics by lazy { Resources.getSystem().displayMetrics }

    /**
     * Returns boundary of the screen in pixels (px).
     */
    val screenRectPx: Rect
        get() = displayMetrics.run { Rect(0, 0, widthPixels, heightPixels) }

    /**
     * Returns boundary of the screen in density independent pixels (dp).
     */
    val screenRectDp: RectF
        get() = screenRectPx.run { RectF(0f, 0f, right.px2dp, bottom.px2dp) }

    /**
     * Returns boundary of the physical screen including system decor elements (if any) like navigation
     * bar in pixels (px).
     */
    val Context.physicalScreenRectPx: Rect
        get() =
            (applicationContext.getSystemService(Context.WINDOW_SERVICE) as WindowManager)
                .run { DisplayMetrics().also { defaultDisplay.getRealMetrics(it) } }
                .run { Rect(0, 0, widthPixels, heightPixels) }

    /**
     * Returns boundary of the physical screen including system decor elements (if any) like navigation
     * bar in density independent pixels (dp).
     */
    val Context.physicalScreenRectDp: RectF
        get() = physicalScreenRectPx.run { RectF(0f, 0f, right.px2dp, bottom.px2dp) }

    /**
     * Converts any given number from pixels (px) into density independent pixels (dp).
     */
    val Number.px2dp: Float
        get() = this.toFloat() / displayMetrics.density

    /**
     * Converts any given number from density independent pixels (dp) into pixels (px).
     */
    val Number.dp2px: Int
        get() = (this.toFloat() * displayMetrics.density).roundToInt()