[solved] Must be called on the main UI thread

Problem

Must be called on the main UI thread

 

Solution

fun btnRewardVideo() {
	runOnUiThread {
		loadRewardedVideoAd()
	}
}

reference : stackoverflow.com/questions/28501787/admob-interstitial-and-error-isloaded-must-be-called-on-the-main-ui-thread