Back pressed events with system alert window

Question

I need to dismiss system alert window on back pressed and home button event.I have tried with onKeyEvent but in vain. As we can\'t cap

Answer 1

In addition to @Eliran Kuta's solution, this is more simple answer for Back button.

val view = getAlertView()
val windowParam = WindowManager.LayoutParams(
    WindowManager.LayoutParams.WRAP_CONTENT, // whatever
    WindowManager.LayoutParams.WRAP_CONTENT, // whatever
    WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY, // use WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY before Oreo
    WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL, // whatever
    PixelFormat.TRANSLUCENT // whatever
)

view.isFocusableInTouchMode = true
view.setOnKeyListener { view, keyCode, event ->
    when (keyCode) {
        KeyEvent.KEYCODE_BACK -> {
            // do your work here
            true
        }
        else -> false
    }
}

val windowManager = getSystemService(Context.WINDOW_SERVICE) as WindowManager
windowManager.addView(view, windowParam)