Recycler - adding swipe to dismiss/accept

!!adding_swipe_to_dismiss.md

RecyclerView - Swipe to dismiss/accept

01_activity.java

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(layout.activity_main); 
 
    Toolbar toolbar = (Toolbar) findViewById(id.toolbar); 
    setSupportActionBar(toolbar); 
 
    final ArrayList<Item> items = buildList(); 
    adapter = new DataAdapter(items); 
  
    recyclerView = (RecyclerView) findViewById(id.recycler_view); 
    recyclerView.setLayoutManager(new LinearLayoutManager(this)); 
    recyclerView.addItemDecoration(new ItemDivider(this)); 
    recyclerView.setAdapter(adapter); 
 
    initItemTouchHelper(); 
 
    fab = (FloatingActionButton) findViewById(id.fab); 
    buildDialog(fab); 
    InitItemTouchHelper(); 
}

02_initItemTouchHelper.java

private void initItemTouchHelper() { 
  
  recyclerView.setHasFixedSize(false);
  
  ItemTouchHelper.SimpleCallback callback = new ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT) { 
 
        @Override 
        public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder viewHolder1) { 
            return false; 
        } 
 
        @Override 
        public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) { 
          int position = viewHolder.getAdapterPosition(); 

          if (direction == ItemTouchHelper.LEFT) { 
              adapter.removeItem(position); 
              Log.d(DEBUG_TAG, "Swiped LEFT"); 
          } else { 
              //adapter.acceptItem(position); 
              Log.d(DEBUG_TAG, "Swiped RIGHT"); 
          } 
          
        } 
    }; 
 
    ItemTouchHelper itemTouchHelper = new ItemTouchHelper(callback); 
    itemTouchHelper.attachToRecyclerView(recyclerView); 
}