RecyclerItemClickListener (onItemClick & onItemLongClick)

Apaini_RecyclerItemClickListener.MD

Support onItemLongClick

MainActivity.java

public class MainActivity extends AppCompatActivity {
    
    private RecyclerView.LayoutManager myLayoutManager;
    private static RecyclerView myRecyclerView;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        
        ...
        
        myRecyclerView = (RecyclerView) findViewById(R.id.my_recycler);
        myRecyclerView.setHasFixedSize(true);
        myLayoutManager = new LinearLayoutManager(this);
        myRecyclerView.setLayoutManager(myLayoutManager);
        myRecyclerView.setItemAnimator(new DefaultItemAnimator());
        myRecyclerView.addItemDecoration(new DividerDecoration(this));
        
        myRecyclerView.addOnItemTouchListener(new RecyclerItemClickListener(getApplicationContext(), 
            myRecyclerView, new RecyclerItemClickListener.OnItemClickListener() {
                
            @Override
            public void onItemClick(View view, int position) {
                Log.d(TAG, "onItemClick");
            }
        
            @Override
            public void onItemLongClick(View view, int position) {
                Log.d(TAG, "onItemLongClick");
            }
        }));
        
        ...
        
    }
}

RecyclerItemClickListener.java

public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener
{
    public static interface OnItemClickListener
    {
        public void onItemClick(View view, int position);
        public void onItemLongClick(View view, int position);
    }

    private OnItemClickListener mListener;
    private GestureDetector mGestureDetector;

    public RecyclerItemClickListener(Context context, final RecyclerView recyclerView, OnItemClickListener listener)
    {
        mListener = listener;

        mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener()
        {
            @Override
            public boolean onSingleTapUp(MotionEvent e)
            {
                return true;
            }

            @Override
            public void onLongPress(MotionEvent e)
            {
                View childView = recyclerView.findChildViewUnder(e.getX(), e.getY());

                if(childView != null && mListener != null)
                {
                    mListener.onItemLongClick(childView, recyclerView.getChildPosition(childView));
                }
            }
        });
    }

    @Override
    public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e)
    {
        View childView = view.findChildViewUnder(e.getX(), e.getY());

        if(childView != null && mListener != null && mGestureDetector.onTouchEvent(e))
        {
            mListener.onItemClick(childView, view.getChildPosition(childView));
        }

        return false;
    }

    @Override
    public void onTouchEvent(RecyclerView view, MotionEvent motionEvent){}

    @Override
    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {

    }
}