On Android, how to detect a system dialog is displayed (power options, recent apps, low battery…)?

Question

Hi Stackoverflowers (I know, that doesn\'t sound like it should...)

Well I think It\'s almost all in the question: I\'d like to catch anything that causes the displa

Answer 1

The best solution I have come to this so far is to implement in your activity onWindowFocusChanged

https://developer.android.com/reference/android/app/Activity#onWindowFocusChanged(boolean)

In Kotlin:

    override fun onWindowFocusChanged(hasFocus: Boolean) {
        super.onWindowFocusChanged(hasFocus)
        if (!hasFocus) {
            //todo your logic
        }
    }

Since this can be called a lot of times you can debounce this event when showing an animation