実装
MainActivity.kt
val adRequest = AdRequest.Builder().build()
InterstitialAd.load(context, interstitial_id), adRequest, object : InterstitialAdLoadCallback() {
override fun onAdLoaded(interstitialAd: InterstitialAd) {
interstitialAd.fullScreenContentCallback = object : FullScreenContentCallback() {
override fun onAdDismissedFullScreenContent() {
super.onAdDismissedFullScreenContent()
// ここに閉じたあとの処理を記述する
}
}
interstitialAd.show(activity)
}
})