我正在尝试在我的自定义ExpandableListView中实现多项选择，这里是Java代码和组布局:JavamExpandable.setChoiceMode(ExpandableListView.CHOICE_MODE_MULTIPLE_MODAL);mExpandable.setMultiChoiceModeListener(newAbsListView.MultiChoiceModeListener(){@OverridepublicvoidonItemCheckedStateChanged(ActionModeactionMode,intposition,longid,boo