//给ExpandableListView设置分组点击事件binding.elvContactGroup.setOnGroupClickListener{parent,_,groupPosition,_->if(parent.isGroupExpanded(groupPosition)){parent.colla...

原因很简单： 在GroupView里面不要加入button等可点击空间，否则和点击Groupview展开相冲突。去掉就好了getGroupView...

packagecom.loaderman.expandablelistviewdemo;importandroid.content.Context;importandroid.database.Cursor;importandroid.database.sqlite.SQLiteDatabase;importjava....