Tag: kotlin expandablelistview

notifyDataChanged（）无法更新可扩展列表视图数据

我正在开发一个可扩展的列表视图，当我创建一个奖励广告后，我想在用户观看奖励的广告之后添加一个可展开的列表视图，但应用程序崩溃的Android监视器错误。 这里是代码… class MainActivity : Activity(),RewardedVideoAdListener { override fun onRewardedVideoAdClosed() = Unit override fun onRewardedVideoAdLeftApplication() = Unit override fun onRewardedVideoAdLoaded() = Unit override fun onRewardedVideoAdOpened() = Unit override fun onRewarded(rewardedLiterature: RewardItem?) { rewardedLiterature.apply { ParentList.add(“New Articles”) ParentList.reverse() } } override fun onRewardedVideoStarted() = Unit override fun onRewardedVideoAdFailedToLoad(p0: Int) { Toast.makeText(this,”Please try again”,Toast.LENGTH_SHORT).show() } private lateinit […]