DynamicRecyclerView

Set of plugable extenstions for Android RecyclerView

Code Quality Rank: L4

Programming language: Java

License: GNU General Public License v3.0 or later

Tags: Recyclerview Widget    

README

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](app/src/main/java/com/du/android/recyclerview/sample/DemoActivity.java).

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