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| public class MainActivity extends Activity {
private LayoutInflater mInflater;
private IphoneTreeView iphoneTreeView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
}
private void initView() {
mInflater = LayoutInflater.from(this);
iphoneTreeView = (IphoneTreeView) findViewById(R.id.iphone_tree_view);
iphoneTreeView.setHeaderView(getLayoutInflater().inflate(
R.layout.list_head_view, iphoneTreeView, false));
iphoneTreeView.setGroupIndicator(null);
iphoneTreeView.setAdapter(new IphoneTreeViewAdapter());
}
public class IphoneTreeViewAdapter extends BaseExpandableListAdapter
implements IphoneTreeHeaderAdapter {
private HashMap<Integer, Integer> groupStatusMap;
private String[] groups = { "第一组", "第二组", "第三组", "第四组" };
private String[][] children = {
{ "Way", "Arnold", "Barry", "Chuck", "David", "Afghanistan",
"Albania", "Belgium", "Lily", "Jim", "LiMing", "Jodan" },
{ "Ace", "Bandit", "Cha-Cha", "Deuce", "Bahamas", "China",
"Dominica", "Jim", "LiMing", "Jodan" },
{ "Fluffy", "Snuggles", "Ecuador", "Ecuador", "Jim", "LiMing",
"Jodan" },
{ "Goldy", "Bubbles", "Iceland", "Iran", "Italy", "Jim",
"LiMing", "Jodan" } };
public IphoneTreeViewAdapter() {
groupStatusMap = new HashMap<Integer, Integer>();
}
public Object getChild(int groupPosition, int childPosition) {
return children[groupPosition][childPosition];
}
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
public int getChildrenCount(int groupPosition) {
return children[groupPosition].length;
}
public Object getGroup(int groupPosition) {
return groups[groupPosition];
}
public int getGroupCount() {
return groups.length;
}
public long getGroupId(int groupPosition) {
return groupPosition;
}
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
public boolean hasStableIds() {
return true;
}
@Override
public View getChildView(int groupPosition, int childPosition,
boolean isLastChild, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = mInflater.inflate(R.layout.list_item_view, null);
}
TextView tv = (TextView) convertView
.findViewById(R.id.contact_list_item_name);
tv.setText(getChild(groupPosition, childPosition).toString());
TextView state = (TextView) convertView
.findViewById(R.id.cpntact_list_item_state);
state.setText("爱生活...爱Android...");
return convertView;
}
@Override
public View getGroupView(int groupPosition, boolean isExpanded,
View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = mInflater.inflate(R.layout.list_group_view, null);
}
TextView groupName = (TextView) convertView
.findViewById(R.id.group_name);
groupName.setText(groups[groupPosition]);
ImageView indicator = (ImageView) convertView
.findViewById(R.id.group_indicator);
TextView onlineNum = (TextView) convertView
.findViewById(R.id.online_count);
onlineNum.setText(getChildrenCount(groupPosition) + "/"
+ getChildrenCount(groupPosition));
if (isExpanded) {
indicator.setImageResource(R.drawable.indicator_expanded);
} else {
indicator.setImageResource(R.drawable.indicator_unexpanded);
}
return convertView;
}
@Override
public int getTreeHeaderState(int groupPosition, int childPosition) {
final int childCount = getChildrenCount(groupPosition);
if (childPosition == childCount - 1) {
return PINNED_HEADER_PUSHED_UP;
} else if (childPosition == -1
&& !iphoneTreeView.isGroupExpanded(groupPosition)) {
return PINNED_HEADER_GONE;
} else {
return PINNED_HEADER_VISIBLE;
}
}
@Override
public void configureTreeHeader(View header, int groupPosition,
int childPosition, int alpha) {
((TextView) header.findViewById(R.id.group_name))
.setText(groups[groupPosition]);
((TextView) header.findViewById(R.id.online_count))
.setText(getChildrenCount(groupPosition) + "/"
+ getChildrenCount(groupPosition));
}
@Override
public void onHeadViewClick(int groupPosition, int status) {
groupStatusMap.put(groupPosition, status);
}
@Override
public int getHeadViewClickStatus(int groupPosition) {
if (groupStatusMap.containsKey(groupPosition)) {
return groupStatusMap.get(groupPosition);
} else {
return 0;
}
}
}
}
|
