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RecyclerView item click/item long tap listener
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public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener { | |
private OnItemClickListener mListener; | |
public interface OnItemClickListener { | |
/** | |
* Fires when recycler view receives a single tap event on any item | |
* | |
* @param view tapped view | |
* @param position item position in the list | |
*/ | |
public void onItemClick(View view, int position); | |
/** | |
* Fires when recycler view receives a long tap event on item | |
* | |
* @param view long tapped view | |
* @param position item position in the list | |
*/ | |
public void onItemLongClick(View view, int position); | |
} | |
GestureDetector mGestureDetector; | |
ExtendedGestureListener mGestureListener; | |
public RecyclerItemClickListener(Context context, OnItemClickListener listener) { | |
mListener = listener; | |
mGestureListener = new ExtendedGestureListener(); | |
mGestureDetector = new GestureDetector(context, mGestureListener); | |
} | |
@Override | |
public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) { | |
View childView = view.findChildViewUnder(e.getX(), e.getY()); | |
if (childView != null && mListener != null) { | |
mGestureListener.setHelpers(childView, view.getChildPosition(childView)); | |
mGestureDetector.onTouchEvent(e); | |
} | |
return false; | |
} | |
@Override | |
public void onTouchEvent(RecyclerView view, MotionEvent motionEvent) { | |
} | |
@Override | |
public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) { | |
} | |
/** | |
* Extended Gesture listener react for both item clicks and item long clicks | |
*/ | |
private class ExtendedGestureListener extends GestureDetector.SimpleOnGestureListener { | |
private View view; | |
private int position; | |
public void setHelpers(View view, int position) { | |
this.view = view; | |
this.position = position; | |
} | |
@Override | |
public boolean onSingleTapUp(MotionEvent e) { | |
mListener.onItemClick(view, position); | |
return true; | |
} | |
@Override | |
public void onLongPress(MotionEvent e) { | |
mListener.onItemLongClick(view, position); | |
} | |
} | |
} |
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A simple RecyclerView item click/longTap listener.
Make sure to remove currently added touch listener before the new one is added. RecyclerView keeps a list of all listeners, so adding a new listener does not clear the previous one.