ontouch.kt

override fun onTouch(v: View, event: MotionEvent): Boolean {
    val x = event.x
    val y = event.y
    Log.d(TAG, "Touch coordinates: ($x, $y)")
    // Android returns (0, 0) for all touches outside of our overlay.
    // Since all overlays share this OnTouchListener, this condition will only be true when the
    // user has clicked on the hole left for the clickjacked UI control.
    if (x == 0.0F && y == 0.0F) {
        onUserClickedOutsideOverlay()
    }
    return false
}