我是安卓新手。
我有一个ExpandableListView
,我设法突出显示(持久)选定的项目/子项。但是当我单击/触摸该组时,突出显示的项目消失了,似乎列表已被重绘。在onGroupClick
中,我试图保持突出显示的项目,但即使这样它也会重绘列表。
@Override
public boolean onGroupClick(ExpandableListView parent, View v,
int groupPosition, long id) {
// TODO keepSelectedModuleHighlited. Right now its not working.
if (parent.isGroupExpanded(groupPosition)) {
parent.collapseGroup(groupPosition);
} else {
parent.expandGroup(groupPosition);
}
keepSelectedModuleHighlited();
return true;
}
和方法:keepSelectedModuleHighlited
private void keepSelectedModuleHighlited() {
if (lastSelectedView != null && lastSelectedDrawble != null) {
lastSelectedView.setBackgroundDrawable(this.getResources()
.getDrawable(R.drawable.module_selected));
}
}
如何在重绘列表之后放置我的方法?任何的想法?