DynamicRecyclerView

Additional

Language
Java
Version
N/A
Created
Dec 30, 2014
Updated
Apr 17, 2017 (Retired)
Owner
ismoli
Contributors
ismoli
bryant1410
2
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Blurb

DynamicRecyclerView

Set of light and non-invasive extensions for Android RecyclerView widget. Does not use custom RecyclerView or LayoutManager. With this extensions you can create RecyclerView with following features:

Drag and drop reordering.

  • Implemented using RecyclerView.OnItemTouchListener
  • Support for custom "Drag frame" drawable
  • ~350 LOC
Usage:
    dragDropTouchListener = new DragDropTouchListener(recyclerView, this) {
        @Override
        protected void onItemSwitch(RecyclerView recyclerView, int from, int to) {
            adapter.swapPositions(from, to);
            adapter.notifyItemChanged(to);
            adapter.notifyItemChanged(from);
 
         @Override
         protected void onItemDrop(RecyclerView recyclerView, int position) {
        }
   };
   }
   
    recyclerView.addOnItemTouchListener(dragDropTouchListener);

Swipe to dismiss items

This is port of Roman Nurik's SwipeToDismiss for ListView

  • Implemented using RecyclerView.OnItemTouchListener
  • Configurable swipe directions: only left, only right, both, none
  • ~320 LOC
Usage:
 swipeToDismissTouchListener = new SwipeToDismissTouchListener(recyclerView, new SwipeToDismissTouchListener.DismissCallbacks() {
            @Override
           public SwipeToDismissTouchListener.SwipeDirection canDismiss(int position) {
               return SwipeToDismissTouchListener.SwipeDirection.RIGHT;
           }
            @Override
           public void onDismiss(RecyclerView view, List<SwipeToDismissTouchListener.PendingDismissData> dismissData) {
              for (SwipeToDismissTouchListener.PendingDismissData data : dismissData) {
                  adapter.removeItem(data.position);
                  adapter.notifyItemRemoved(data.position);
              }
           }
   });
  recyclerView.addOnItemTouchListener(swipeToDismissTouchListener);

Select/activate items

  • Small RecyclerViewAdapter extension that can keep a state of selected/activated items
Usage

Use as normal RecyclerView.Adapter

ItemTouchListenerAdapter

As RecyclerView does not have standard way to add click listeners to the items, this RecyclerView.OnItemTouchListener intercepts touch events and translates them to simple onItemClick() and onItemLongClick() callbacks.

Usage
    recyclerView.addOnItemTouchListener(new ItemTouchListenerAdapter(recyclerView, this));

Sample

Sample app code is included, please see DemoActivity.

For full featured demo of real app see /du:/ tasks app on Google Play Store