androidx.leanback.widget.OnItemViewClickedListener Java Examples

private void setupAdapter() {
    VerticalGridPresenter presenter = new VerticalGridPresenter(ZOOM_FACTOR);
    presenter.setNumberOfColumns(COLUMNS);
    setGridPresenter(presenter);

    CardPresenterSelector cardPresenter = new CardPresenterSelector(getActivity());
    mAdapter = new ArrayObjectAdapter(cardPresenter);
    setAdapter(mAdapter);

    setOnItemViewClickedListener(new OnItemViewClickedListener() {
        @Override
        public void onItemClicked(
                Presenter.ViewHolder itemViewHolder,
                Object item,
                RowPresenter.ViewHolder rowViewHolder,
                Row row) {
            Card card = (Card)item;
            Toast.makeText(getActivity(),
                    "Clicked on "+card.getTitle(),
                    Toast.LENGTH_SHORT).show();
        }
    });
}
 

public SampleFragmentB() {
    mRowsAdapter = new ArrayObjectAdapter(new ShadowRowPresenterSelector());

    setAdapter(mRowsAdapter);
    setOnItemViewClickedListener(new OnItemViewClickedListener() {
        @Override
        public void onItemClicked(
                Presenter.ViewHolder itemViewHolder,
                Object item,
                RowPresenter.ViewHolder rowViewHolder,
                Row row) {
            Toast.makeText(getActivity(), "Implement click handler", Toast.LENGTH_SHORT)
                    .show();
        }
    });
}
 

@Override
public void setOnActionClickedListener(OnActionClickedListener listener) {
    // Copy from superclass
    if (listener == null) {
        fragment.setOnPlaybackItemViewClickedListener(null);
    } else {
        fragment.setOnPlaybackItemViewClickedListener(new OnItemViewClickedListener() {
            @Override
            public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
                                      RowPresenter.ViewHolder rowViewHolder, Row row) {
                // Call our custom function and pass the view instance
                if (item instanceof CustomAction) {
                    ((CustomAction) item).onCustomActionClicked(itemViewHolder.view);
                }
                if (item instanceof Action) {
                    listener.onActionClicked((Action) item);
                }
            }
        });
    };
}
 

private void setupUi() {
    setHeadersState(HEADERS_ENABLED);
    setHeadersTransitionOnBackEnabled(true);
    setTitle(getString(R.string.card_examples_title));
    setOnSearchClickedListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Toast.makeText(getActivity(), getString(R.string.implement_search),
                    Toast.LENGTH_LONG).show();
        }
    });
    setOnItemViewClickedListener(new OnItemViewClickedListener() {

        @Override
        public void onItemClicked(Presenter.ViewHolder viewHolder, Object item, RowPresenter.ViewHolder viewHolder1, Row row) {
            if (!(item instanceof Card)) return;
            if (!(viewHolder.view instanceof ImageCardView)) return;

            ImageView imageView = ((ImageCardView) viewHolder.view).getMainImageView();
            Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity(),
                    imageView, DetailViewExampleFragment.TRANSITION_NAME).toBundle();
            Intent intent = new Intent(getActivity().getBaseContext(),
                    DetailViewExampleActivity.class);
            Card card = (Card) item;
            int imageResId = card.getLocalImageResourceId(getContext());
            intent.putExtra(DetailViewExampleFragment.EXTRA_CARD, imageResId);
            startActivity(intent, bundle);
        }

    });

    prepareEntranceTransition();
}
 

@Inject
public ListenerFactory(Map<Class, OnItemViewClickedListener> onItemViewClickedListenerMap,
        Map<Class, OnItemViewSelectedListener> onItemViewSelectedListenerMap,
        Map<Class, View.OnClickListener> viewOnClickListenerMap) {
    mOnItemViewClickedListenerMap = onItemViewClickedListenerMap;
    mOnItemViewSelectedListenerMap = onItemViewSelectedListenerMap;
    mViewOnClickListenerMap = viewOnClickListenerMap;

}
 

/**
 * Sets an item clicked listener.
 */
public void setOnItemViewClickedListener(OnItemViewClickedListener listener) {
    mOnItemViewClickedListener = listener;
    if (mGridPresenter != null) {
        mGridPresenter.setOnItemViewClickedListener(mOnItemViewClickedListener);
    }
}
 

/**
 * Sets an item clicked listener.
 */
public void setOnItemViewClickedListener(OnItemViewClickedListener listener) {
    mOnItemViewClickedListener = listener;
    if (mGridPresenter != null) {
        if (mGridPresenter instanceof HorizontalGridPresenter)
            ((HorizontalGridPresenter)mGridPresenter).setOnItemViewClickedListener(mOnItemViewClickedListener);
        else if (mGridPresenter instanceof VerticalGridPresenter)
            ((VerticalGridPresenter)mGridPresenter).setOnItemViewClickedListener(mOnItemViewClickedListener);
    }
}
 

public OnItemViewClickedListener getOnItemViewClickedListener(Class key) {
    return mOnItemViewClickedListenerMap.get(key);
}
 

/**
 * Returns the item clicked listener.
 */
public OnItemViewClickedListener getOnItemViewClickedListener() {
    return mOnItemViewClickedListener;
}
 

/**
 * Returns the item clicked listener.
 */
public final OnItemViewClickedListener getOnItemViewClickedListener() {
    return mOnItemViewClickedListener;
}
 

/**
 * Returns the item clicked listener.
 */
public OnItemViewClickedListener getOnItemViewClickedListener() {
    return mOnItemViewClickedListener;
}
 

public void registerListener (OnItemViewClickedListener listener) {
    registeredListeners.add(listener);
}
 

public void unRegisterListener (OnItemViewClickedListener listener) {
    registeredListeners.remove(listener);
}
 

@Override
public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, RowPresenter.ViewHolder rowViewHolder, Row row) {
    for (OnItemViewClickedListener listener : registeredListeners) {
        listener.onItemClicked(itemViewHolder, item, rowViewHolder, row);
    }
}
 

/**
 * Sets the item clicked listener.
 * OnItemViewClickedListener will override {@link View.OnClickListener} that
 * item presenter sets during {@link Presenter#onCreateViewHolder(ViewGroup)}.
 * So in general, developer should choose one of the listeners but not both.
 */
public final void setOnItemViewClickedListener(OnItemViewClickedListener listener) {
    mOnItemViewClickedListener = listener;
}
 

Map<Class, OnItemViewClickedListener> onItemViewClickedListenerMap();