I have an ExpandableListView. When a child is expanded it should be considered "selected". When a child is selected both the child and the child's children should display a different background (to show the user which is the current selected item).
Right now this is what I have:
XML
<ExpandableListView
android:id="@+id/listViewAccepted"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:choiceMode="singleChoice"
android:listSelector="@drawable/custom_selector" >
</ExpandableListView>
The ListView
setOnGroupClickListener(new OnGroupClickListener() {
@Override
public boolean onGroupClick(ExpandableListView parent, View view,int groupPosition, long id) {
view.setSelected(true);
parent.setItemChecked(groupPosition, true);
return false;
}
});
The Selector
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true">
<shape>
<solid android:color="@color/holo_blue_light" />
</shape>
</item>
<item android:state_selected="true">
<shape>
<solid android:color="@color/green" />
</shape>
</item>
<item android:state_checked="true">
<shape>
<solid android:color="@color/green" />
</shape>
</item>
<item android:state_focused="true">
<shape>
<solid android:color="@color/green" />
</shape>
</item>
<item android:state_activated="true">
<shape>
<solid android:color="@color/green" />
</shape>
</item>
<item>
<shape>
<solid android:color="@color/transparent" />
</shape>
</item>
</selector>
Here's how i did it, the following changes the group view. The overridden method is contained in my custom ExpandableListAdapter.
@Override
public View getGroupView(int groupPosition, boolean isExpanded,
View view, ViewGroup parent)
{
LinearLayout bevGroup = (LinearLayout) view.findViewById(R.id.myid);
if(isExpanded)
{
bevGroup.setBackgroundColor(context.getResources().getColor(R.color.bgGroupBlack));
}
else
{
bevGroup.setBackgroundColor(context.getResources().getColor(R.color.bgTransparent));
}
}
And the child, only ever being visible when expanded, is always the color it's supposed to be.
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.