Java Code Examples for android.widget.ExpandableListView#getLayoutParams()

The following examples show how to use android.widget.ExpandableListView#getLayoutParams() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ListViewUtil.java    From Social with Apache License 2.0 6 votes vote down vote up 
/**
     * 可扩展listview展开时调用
     *
     * @param listView
     * @param groupPosition
     */
    public static void setExpandedListViewHeightBasedOnChildren(
            ExpandableListView listView, int groupPosition) {
        ExpandableListAdapter listAdapter = listView.getExpandableListAdapter();
        if (listAdapter == null) {
            return;
        }
        View listItem = listAdapter.getChildView(groupPosition, 0, true, null,
                listView);
        listItem.measure(0, 0);
        int appendHeight = 0;
        for (int i = 0; i < listAdapter.getChildrenCount(groupPosition); i++) {
            appendHeight += listItem.getMeasuredHeight();
        }
        ViewGroup.LayoutParams params = listView.getLayoutParams();
//        Log.d(TAG, "Expand params.height" + params.height);
        params.height += appendHeight;
        listView.setLayoutParams(params);
    }
Example 2
Source File: ListViewUtil.java    From Social with Apache License 2.0 6 votes vote down vote up 
/**
 * 可扩展listview收起时调用
 *
 * @param listView
 * @param groupPosition
 */
public static void setCollapseListViewHeightBasedOnChildren(
        ExpandableListView listView, int groupPosition) {
    ExpandableListAdapter listAdapter = listView.getExpandableListAdapter();
    if (listAdapter == null) {
        return;
    }
    View listItem = listAdapter.getChildView(groupPosition, 0, true, null,
            listView);
    listItem.measure(0, 0);
    int appendHeight = 0;
    for (int i = 0; i < listAdapter.getChildrenCount(groupPosition); i++) {
        appendHeight += listItem.getMeasuredHeight();
    }
    /*Log.d(TAG,
            "Collapse childCount="
                    + listAdapter.getChildrenCount(groupPosition));*/
    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height -= appendHeight;
    listView.setLayoutParams(params);
}