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package com.example.webviewvisibilitychangedsample
import android.content.Context
import android.util.AttributeSet
import android.util.Log
import android.view.View
import android.webkit.WebView
class BackgroundMediaWebView @JvmOverloads constructor(
context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
) : WebView(context, attrs, defStyleAttr) {
override fun onWindowVisibilityChanged(visibility: Int) {
super.onWindowVisibilityChanged(View.VISIBLE)
Log.i("BackgroundMediaWebView", "onWindowVisibilityChanged " +
"visibility=${toReadableVisibility(visibility)}")
}
private fun toReadableVisibility(visibility: Int): String {
return when(visibility) {
View.VISIBLE -> "Visible"
View.INVISIBLE -> "Invisible"
View.GONE -> "Gone"
else -> "Unknown"
}
}
}