androidx.recyclerview.widget.RecyclerView#addOnChildAttachStateChangeListener ( )源码实例Demo

/**
 * Attach the tracker.
 *
 * @param recyclerView The recyclerview that the EpoxyController has its adapter added to.
 */
public void attach(@NonNull RecyclerView recyclerView) {
  attachedRecyclerView = recyclerView;
  recyclerView.addOnScrollListener(this.listener);
  recyclerView.addOnLayoutChangeListener(this.listener);
  recyclerView.addOnChildAttachStateChangeListener(this.listener);
  setTracker(recyclerView, this);
}
 

@Override
public void onAttachedToWindow(RecyclerView view) {
    view.addOnChildAttachStateChangeListener(this);
    mPagerSnapHelper.attachToRecyclerView(view);
    super.onAttachedToWindow(view);
}
 

@Override
public void onAttachedToWindow(RecyclerView recyclerView) {
    super.onAttachedToWindow(recyclerView);
    mPagerSnapHelper.attachToRecyclerView(recyclerView);
    recyclerView.addOnChildAttachStateChangeListener(this);
}