public void setItemChecked(int position, boolean value)

public boolean performItemClick(View view, int position, long id)

public class CustomGridView extends GridView {

    public CustomGridView(Context context) {
        super(context);
    }

    @Override
    public void setItemChecked(int position, boolean value) {
        Log.i(BuildConfig.LOGTAG, "CustomGridView:setItemChecked");
        super.setItemChecked(position, value);
    }

    @Override
    public boolean performItemClick(View view, int position, long id) {
        Log.i(BuildConfig.LOGTAG, "CustomGridView:performItemClick");
        return super.performItemClick(view, position, id);
    }
}

protected class ActionBarCallback implements GridView.MultiChoiceModeListener {
    @Override
    public void onItemCheckedStateChanged(ActionMode actionMode, int position, long id, boolean checked) {
        if (checked) {
            mAdapter.addPosition(position, true);
            mAdapter.addId(id, true);
        } else {
            mAdapter.removePosition(position);
            mAdapter.removeId(id);
        }

        int selectCount = mGridView.getCheckedItemCount();

        String title = getResources().getQuantityString(R.plurals.pictures_selected, selectCount, selectCount);
        actionMode.setTitle(title);
    }

    @Override
    public boolean onCreateActionMode(ActionMode actionMode, Menu menu) {
        MenuInflater inflater = actionMode.getMenuInflater();
        inflater.inflate( R.menu.picture_context, menu);
        return true;
    }
}