Java Code Examples for android.support.v7.widget.RecyclerView#ViewHolder

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    RecyclerView.ViewHolder holder;
    View item;
    if (viewType == HEADER_VIEW) {
        item = mInflater.inflate(R.layout.item_list_header, parent, false);
        holder = new headerHolder(item);
    } else {
        TaskCard taskCard = mdatas.get(0);
        if (taskCard.t instanceof Remind) {
            item = mInflater.inflate(R.layout.item_remindlist_view, null, false);
            holder = new RemindListHolder(item);
        } else if (taskCard.t instanceof AlarmClock) {
            item = mInflater.inflate(R.layout.item_alarmlist_view, null, false);
            holder = new AlarmListHolder(item);
        } else if (taskCard.t instanceof Memo) {
            item = mInflater.inflate(R.layout.item_memolist_view, null, false);
            holder = new MemoListHolder(item);
        } else {
            item = mInflater.inflate(R.layout.item_accountlist_view, null, false);
            holder = new AccountListHolder(item);
        }
    }
    return holder;
}
 

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    if (isHeaderType(viewType)) {
        return onCreateHeaderViewHolder(parent, viewType);
    } else if (isFooterType(viewType)) {
        return onCreateFooterViewHolder(parent, viewType);
    }
    return onCreateGeneralViewHolder(parent, viewType);
}
 

MoveInfo(RecyclerView.ViewHolder holder, int fromX, int fromY, int toX, int toY) {
    this.holder = holder;
    this.fromX = fromX;
    this.fromY = fromY;
    this.toX = toX;
    this.toY = toY;
}
 

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    View v = LayoutInflater.from(parent.getContext())
            .inflate(viewType, parent, false);
    if (viewBinders.size() == 1)
        return viewBinders.get(0).provideViewHolder(v);
    for (TreeViewBinder viewBinder : viewBinders) {
        if (viewBinder.getLayoutId() == viewType)
            return viewBinder.provideViewHolder(v);
    }
    return viewBinders.get(0).provideViewHolder(v);
}
 

@Override
public void onItemRangeInserted(int positionStart, int itemCount) {
    RecyclerView.ViewHolder holder = parent.findViewHolderForPosition(positionStart);
    if (holder != null) {
        headers.put(holder.getItemId(), null);
    }
    else {
        cleanOffScreenItemsIds();
    }
}
 

/**
 * Ensures that every single item in the adapter gets its view holder created and bound.
 * Doesn't care about what type of holder it should be, the adapter is able to figure all that
 * out for us .
 */
private void populateViewHolders(RecyclerView.Adapter<RecyclerView.ViewHolder> adapter) {
    ViewGroup parent = (ViewGroup) LayoutInflater.from(context).inflate(R.layout.app_details2_links, null);
    for (int i = 0; i < adapter.getItemCount(); i++) {
        RecyclerView.ViewHolder viewHolder = adapter.createViewHolder(parent, adapter.getItemViewType(i));
        adapter.bindViewHolder(viewHolder, i);
    }
}
 

@Override protected void onHeaderViewRecycled(RecyclerView.ViewHolder holder) {
  Log.v(LOG_TAG, "onHeaderViewRecycled(RecyclerView.ViewHolder holder)");
}
 

@Override
public void onStartDrag(RecyclerView.ViewHolder viewHolder) {
  startDrag(viewHolder);
}
 

@Override
public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder source, RecyclerView.ViewHolder target) {
    mAdapter.onItemMove(source.getAdapterPosition(), target.getAdapterPosition());
    return true;
}
 

@Override
public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
  // no-op
  return false;
}
 

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    View v = View.inflate(parent.getContext(), R.layout.adapter_list_item, null);

    return new HomeFragmentViewHolder(v);
}
 

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    return new ReplyCheckerViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.reply_checker_list_item, parent, false));
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public RecyclerView.ViewHolder onCreateFooterViewHolder(LayoutInflater inflater, ViewGroup parent, int index) {
  return onCreateEndlessLoadingViewHolder(inflater, parent);
}
 

@Override
public boolean animateMove(RecyclerView.ViewHolder holder, int fromX, int fromY, int toX, int toY) {
    dispatchMoveFinished(holder);
    return false;
}
 

private static void slidingWithBounce(RecyclerView.ViewHolder holder, boolean goesDown){

        AnimatorSet animatorSet = new AnimatorSet();

        ObjectAnimator animatorTranslateY = ObjectAnimator.ofFloat(holder.itemView, "translationY", goesDown? 200 : -200, 0);
        ObjectAnimator animatorTranslateX = ObjectAnimator.ofFloat(holder.itemView,"translationX",-30,30,-20,20,-5,5,0);

        animatorTranslateX.setDuration(1000);
        animatorTranslateY.setDuration(1000);

        animatorSet.playTogether ( animatorTranslateX, animatorTranslateY);
        animatorSet.start();

    }
 

/**
 * Binds the given data with the given collection item View.
 */
void bindCollectionItemView(Context context, RecyclerView.ViewHolder holder, int groupOrdinal, T2 item);
 

void onKeyClick(View view, RecyclerView.ViewHolder holder, int position); 

void onItemClick(View view, RecyclerView.ViewHolder viewHolder , int position); 

protected abstract void prepareAnimateAdd(final RecyclerView.ViewHolder holder);