/**
* If the adapter's list-view is hosted inside a parent(/grand-parent/etc) that can scroll
* horizontally, horizontal swipes won't work, because the parent will prevent touch-events from
* reaching the list-view.
*
* <p>If a list-item view has a child with the given resource-ID, the user can still swipe the
* list-item by touching that child. If the user touches an area outside that child (but inside
* the list-item view), then the swipe will not happen and the parent will do its job instead
* (scrolling horizontally).
*
* @param childResId The resource-ID of the list-items' child that the user should touch to be
* able to swipe the list-items.
*/
public void setTouchChild(final int childResId) {
mResIdTouchChild = childResId;
if (mListView instanceof DynamicListView) {
DynamicListView dynListView = (DynamicListView) mListView;
dynListView.setDynamicTouchChild(mResIdTouchChild);
}
}
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list_anim_activity_draganddrop);
DynamicListView listView = (DynamicListView) findViewById(R.id.activity_draganddrop_listview);
listView.setDivider(null);
TextView headerView = new TextView(this);
headerView.setText("HEADER");
listView.addHeaderView(headerView);
final ArrayAdapter<Integer> adapter = createListAdapter();
AlphaInAnimationAdapter animAdapter = new AlphaInAnimationAdapter(adapter);
animAdapter.setInitialDelayMillis(300);
animAdapter.setAbsListView(listView);
listView.setAdapter(animAdapter);
Toast.makeText(this, "Long press an item to start dragging", Toast.LENGTH_LONG).show();
listView.setOnItemMovedListener(
new DynamicListView.OnItemMovedListener() {
@Override
public void onItemMoved(final int newPosition) {
Toast.makeText(
getApplicationContext(),
adapter.getItem(newPosition) + " moved to position " + newPosition,
Toast.LENGTH_SHORT)
.show();
}
});
}
/**
* If the adapter's list-view is hosted inside a parent(/grand-parent/etc) that can scroll
* horizontally, horizontal swipes won't work, because the parent will prevent touch-events from
* reaching the list-view.
*
* <p>Call this method with the value 'true' to fix this behavior. Note that this will prevent the
* parent from scrolling horizontally when the user touches anywhere in a list-item.
*/
public void setIsParentHorizontalScrollContainer(
final boolean isParentHorizontalScrollContainer) {
mIsParentHorizontalScrollContainer = isParentHorizontalScrollContainer;
if (mListView instanceof DynamicListView) {
DynamicListView dynListView = (DynamicListView) mListView;
dynListView.setIsParentHorizontalScrollContainer(mIsParentHorizontalScrollContainer);
}
}
@Override
public void setAbsListView(final AbsListView listView) {
mListView = listView;
if (mDecoratedBaseAdapter instanceof ListViewSetter) {
((ListViewSetter) mDecoratedBaseAdapter).setAbsListView(listView);
}
if (mListView instanceof DynamicListView) {
DynamicListView dynListView = (DynamicListView) mListView;
dynListView.setIsParentHorizontalScrollContainer(mIsParentHorizontalScrollContainer);
dynListView.setDynamicTouchChild(mResIdTouchChild);
}
}