public void addFooterView(View v, Object data, boolean isSelectable) {
ListAdapter mAdapter = getAdapter();
if (mAdapter != null && !(mAdapter instanceof HeaderViewGridAdapter)) {
throw new IllegalStateException(
"Cannot add header view to grid -- setAdapter has already been called.");
}
ViewGroup.LayoutParams lyp = v.getLayoutParams();
FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(getContext());
if (lyp != null) {
v.setLayoutParams(new FrameLayout.LayoutParams(lyp.width, lyp.height));
fl.setLayoutParams(new AbsListView.LayoutParams(lyp.width, lyp.height));
}
fl.addView(v);
info.view = v;
info.viewContainer = fl;
info.data = data;
info.isSelectable = isSelectable;
mFooterViewInfos.add(info);
if (mAdapter != null) {
((HeaderViewGridAdapter) mAdapter).notifyDataSetChanged();
}
}
/**
* Add a fixed view to appear at the top of the grid. If addHeaderView is called more than once,
* the views will appear in the order they were added. Views added using this call can take focus
* if they want.
*
* <p>NOTE: Call this before calling setAdapter. This is so HeaderGridView can wrap the supplied
* cursor with one that will also account for header views.
*
* @param v The view to add.
* @param data Data to associate with this view
* @param isSelectable whether the item is selectable
*/
public void addHeaderView(View v, Object data, boolean isSelectable) {
ListAdapter adapter = getAdapter();
if (adapter != null && !(adapter instanceof HeaderViewGridAdapter)) {
throw new IllegalStateException(
"Cannot add header view to grid -- setAdapter has already been called.");
}
ViewGroup.LayoutParams lyp = v.getLayoutParams();
FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(getContext());
if (lyp != null) {
v.setLayoutParams(new FrameLayout.LayoutParams(lyp.width, lyp.height));
fl.setLayoutParams(new LayoutParams(lyp.width, lyp.height));
}
fl.addView(v);
info.view = v;
info.viewContainer = fl;
info.data = data;
info.isSelectable = isSelectable;
mHeaderViewInfos.add(info);
// in the case of re-adding a header view, or adding one later onCallBackData,
// we need to notify the observer
if (adapter != null) {
((HeaderViewGridAdapter) adapter).notifyDataSetChanged();
}
}
/**
* Add a fixed view to appear at the top of the list. If this method is called more than once, the
* views will appear in the order they were added. Views added using this call can take focus if
* they want.
*
* <p>Note: When first introduced, this method could only be called before setting the adapter
* with {@link #setAdapter(ListAdapter)}. Starting with {@link
* android.os.Build.VERSION_CODES#KITKAT}, this method may be called at any time. If the
* ListView's adapter does not extend {@link FooterViewGridAdapter}, it will be wrapped with a
* supporting instance of {@link android.widget.WrapperListAdapter}.
*
* @param v The view to add.
* @param data Data to associate with this view
* @param isSelectable whether the item is selectable
*/
public void addHeaderView(View v, Object data, boolean isSelectable) {
final FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(getContext());
fl.addView(v);
info.view = v;
info.viewContainer = fl;
info.data = data;
info.isSelectable = isSelectable;
mHeaderViewInfos.add(info);
// Wrap the adapter if it wasn't already wrapped.
if (mAdapter != null) {
if (!(mAdapter instanceof FooterViewGridAdapter)) {
mAdapter = new FooterViewGridAdapter(mHeaderViewInfos, mFooterViewInfos, mAdapter);
}
// Do not know if this really helps
notifiyChanged();
}
}