Java Code Examples for android.support.v7.widget.RecyclerView#setOnScrollListener()

/**
 * Set the view as header.
 *
 * @param header The inflated header
 * @param view   The RecyclerView to set scroll listeners
 */
public void setParallaxHeader(View header, final RecyclerView view) {
    mRecyclerView = view;
    mHeader = new CustomRelativeWrapper(header.getContext(), mShouldClipView);
    mHeader.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    mHeader.addView(header, new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    view.setOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            super.onScrolled(recyclerView, dx, dy);
            if (mHeader != null) {
                translateHeader(mRecyclerView.getLayoutManager().getChildAt(0) == mHeader ?
                        mRecyclerView.computeVerticalScrollOffset() : mHeader.getHeight());

            }
        }
    });
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    View v =  inflater.inflate(R.layout.fragment_imagelist, container, false);
    // Inflate the layout for this fragment
    ListScrollListener listScrollListener = new ListScrollListener();
    RecyclerAdapter recyclerAdapter =  new RecyclerAdapter(
            MockData.getMockJsonArray(500, 500)
            //MockData.getAssetsMock(getActivity())
            , getActivity(), listScrollListener);
    RecyclerView recyclerView = (RecyclerView) v.findViewById(R.id.list_images);
    recyclerView.setOnScrollListener(listScrollListener);
    recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
    recyclerView.setAdapter(recyclerAdapter);

   return v;
}
 

/**
 * {@inheritDoc}
 */
@Override
public void bindView(@NonNull RecyclerView view) {
    super.bindView(view);

    mSwipeItemTouchListener = new SwipeItemTouchListener(view.getContext(), mGroupBasicAdapter, getContentView());
    if (mSwipeCardActionEdge != -1) {
        mSwipeItemTouchListener.setActionEdge(mSwipeCardActionEdge);
    }

    view.addOnItemTouchListener(mSwipeItemTouchListener);
    view.setOnScrollListener(new RecyclerView.OnScrollListener(){
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            super.onScrolled(recyclerView, dx, dy);
            if (recyclerView != null) {
                scrolledY += dy;
            }
        }
    });
}
 

/**
 * Set the view as header.
 *
 * @param header The inflated header
 * @param view   The RecyclerView to set scroll listeners
 */
public void setParallaxHeader(View header, final RecyclerView view) {
    mRecyclerView = view;
    mHeader = new CustomRelativeWrapper(header.getContext(), mShouldClipView);
    mHeader.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    mHeader.addView(header, new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    view.setOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            super.onScrolled(recyclerView, dx, dy);
            if (mHeader != null) {
                translateHeader(mRecyclerView.getLayoutManager().getChildAt(0) == mHeader ?
                        mRecyclerView.computeVerticalScrollOffset() : mHeader.getHeight());

            }
        }
    });
}
 

/**
 * {@inheritDoc}
 */
@Override
public void bindView(@NonNull RecyclerView view) {
    super.bindView(view);

    mSwipeItemTouchListener = new SwipeItemTouchListener(view.getContext(), mGroupBasicAdapter, getContentView());
    if (mSwipeCardActionEdge != -1) {
        mSwipeItemTouchListener.setActionEdge(mSwipeCardActionEdge);
    }

    view.addOnItemTouchListener(mSwipeItemTouchListener);
    view.setOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            super.onScrolled(recyclerView, dx, dy);
            if (recyclerView != null) {
                scrolledY += dy;
            }
        }
    });
}
 

/**
 * Set the view as header.
 *
 * @param header The inflated header
 * @param view   The RecyclerView to set scroll listeners
 */
public void setParallaxHeader(View header, final RecyclerView view) {
    mRecyclerView = view;
    mHeader = new CustomRelativeWrapper(header.getContext(), mShouldClipView);
    mHeader.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    mHeader.addView(header, new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    view.setOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            super.onScrolled(recyclerView, dx, dy);
            if (mHeader != null) {
                translateHeader(mRecyclerView.getLayoutManager().getChildAt(0) == mHeader ?
                        mRecyclerView.computeVerticalScrollOffset() : mHeader.getHeight());

            }
        }
    });
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    this.context = this;
    this.appPreferences = MoticonsApplication.getAppPreferences();

    initUI();
    isFirstRun();

    recyclerView = (RecyclerView) findViewById(R.id.moticonList);
    fastScroller = (VerticalRecyclerViewFastScroller) findViewById(R.id.fast_scroller);
    progressWheel = (ProgressWheel) findViewById(R.id.progress);
    noResults = (LinearLayout) findViewById(R.id.noResults);

    recyclerView.setHasFixedSize(true);
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(context);
    linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
    recyclerView.setLayoutManager(linearLayoutManager);

    fastScroller.setRecyclerView(recyclerView);
    recyclerView.setOnScrollListener(fastScroller.getOnScrollListener());
    progressWheel.setVisibility(View.VISIBLE);

    new getMoticons().execute();
}
 

/**
 * initialize the card flipper and associated views
 * @param context a context used to access resources
 */
private void initCardViews(Context context)
{
    card_adapter = new CardAdapter(context);
    card_adapter.setCardAdapterListener(cardAdapterListener);

    card_view = (RecyclerView) findViewById(R.id.info_time_flipper1);
    card_view.setHasFixedSize(true);
    card_view.setItemViewCacheSize(7);
    card_view.setLayoutManager(card_layout = new CardLayoutManager(this));
    card_view.addItemDecoration(new CardAdapter.CardViewDecorator(this));

    card_view.setAdapter(card_adapter);
    card_view.scrollToPosition(CardAdapter.TODAY_POSITION);

    SnapHelper snapHelper = new PagerSnapHelper();
    snapHelper.attachToRecyclerView(card_view);
    card_scroller = new CardAdapter.CardViewScroller(context);
    card_view.setOnScrollListener(onCardScrollListener);
}
 

@Override
protected void init() {
    viewFlipper = (ViewFlipper) findViewById(R.id.viewFlipper);
    et_position = (EditText) findViewById(R.id.et_position);
    rg_tab = (RadioGroup) findViewById(R.id.rg_tab);

    recyclerView = (RecyclerView) findViewById(R.id.recyclerView);

    linearLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
    gridLayoutManager = new GridLayoutManager(this, 4);
    gridLayoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
        @Override
        public int getSpanSize(int position) {
            return position % 5 == 0 ? 4 : 1;
        }
    });

    recyclerView.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
    recyclerView.setLayoutManager(linearLayoutManager);
    SimpleRecyclerAdapter simpleRecyclerAdapter = new SimpleRecyclerAdapter(this, data);
    recyclerView.setAdapter(simpleRecyclerAdapter);
    recyclerView.setOnScrollListener(onScrollListener);

    imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);

    for (int i = 0; i < 100; i++) {
        data.add("Simple item " + i);
    }
    simpleRecyclerAdapter.notifyDataSetChanged();

    initTab();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_recyler);
	recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
	// 创建一个线性布局管理器
	LinearLayoutManager layoutManager = new LinearLayoutManager(this);
	layoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);
	// 设置布局管理器
	recyclerView.setLayoutManager(layoutManager);
	adapter = new XRecylerAdapter<Vlist>(VlistViewHolder.class, null);
	recyclerView.setAdapter(adapter);
	recyclerView.setOnScrollListener(adapter.getOnScrollListener(null));
	getHttp().get(50, "http://cache.video.iqiyi.com/jp/avlist/202861101/",
			this);

	try {
		String str = "<RequestData><HeadData><UserCode>sh1_admin</UserCode><UserName>sh1_admin</UserName><UserCompanyCode>3107</UserCompanyCode><UserCompanyName>上海分公司一部</UserCompanyName><RequestType>03</RequestType></HeadData><BodyData><ReportId>113100000033</ReportId><Insurant>a5rfg87</Insurant><NumberPlate>沪E78612</NumberPlate><EngineModel></EngineModel><CarVin></CarVin><AccidentDate>2011-02-25 15:07:00</AccidentDate><ReportDate>2011-02-25 15:07:00</ReportDate><Province>310000</Province><City>310100</City><District></District><AccidentPlace>1</AccidentPlace><AccidentLongitude></AccidentLongitude><AccidentLatitude></AccidentLatitude><SurveyLongitude></SurveyLongitude><SurveyLatitude></SurveyLatitude><SceneReportFlag></SceneReportFlag><Reporter></Reporter><ReporterTel></ReporterTel><SurveyPlace></SurveyPlace><OperatorId>3525</OperatorId><OperatorName>sh_admin</OperatorName><ReportDealId>30000800</ReportDealId><ReportDealName>江苏分公司</ReportDealName><CompanyName></CompanyName><CustomerTypeCode></CustomerTypeCode><ForcePolicyId>a5rfg87a5rfg87a5rfg87</ForcePolicyId><BizPolicyId></BizPolicyId><Index>0</Index><FieldName>5</FieldName></BodyData></RequestData>";

		XmlDom dom = new XmlDom(str);
		dom.tag("UserCode").text();

	} catch (SAXException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}

}
 

private void init() {
    mToolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(mToolbar);
    setTitle(R.string.app_name);
    mToolbar.setTitleTextColor(Color.WHITE);

    mFabButton = (ImageButton) findViewById(R.id.fab);
    mFabButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Toast.makeText(getApplicationContext(), "FAB", Toast.LENGTH_SHORT).show();
        }
    });

    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    RecyclerAdapter recyclerAdapter = new RecyclerAdapter(createItemList());
    recyclerView.setAdapter(recyclerAdapter);
    recyclerView.setOnScrollListener(new HidingScrollListener() {
        @Override
        public void onHide() {
            hideViews();
        }

        @Override
        public void onShow() {
            showViews();
        }
    });

}
 

public void attachToRecyclerView(@NonNull RecyclerView recyclerView,
                                 ScrollDirectionListener scrollDirectionlistener,
                                 RecyclerView.OnScrollListener onScrollListener) {
    RecyclerViewScrollDetectorImpl scrollDetector = new RecyclerViewScrollDetectorImpl();
    scrollDetector.setScrollDirectionListener(scrollDirectionlistener);
    scrollDetector.setOnScrollListener(onScrollListener);
    scrollDetector.setScrollThreshold(mScrollThreshold);
    recyclerView.setOnScrollListener(scrollDetector);
}
 

public void attachToRecyclerView(@NonNull RecyclerView recyclerView,
                                 ScrollDirectionListener scrollDirectionlistener,
                                 RecyclerView.OnScrollListener onScrollListener) {
    RecyclerViewScrollDetectorImpl scrollDetector = new RecyclerViewScrollDetectorImpl();
    scrollDetector.setScrollDirectionListener(scrollDirectionlistener);
    scrollDetector.setOnScrollListener(onScrollListener);
    scrollDetector.setScrollThreshold(DensityUtil.dip2px(MainApp.CONTEXT, 4));
    recyclerView.setOnScrollListener(scrollDetector);
}
 

public void startDetectFastScroll() {
    if (mOnScrollListener != null) {
        RecyclerView recyclerView = mTangramEngine.getContentView();
        if (recyclerView != null) {
            recyclerView.removeOnScrollListener(mOnScrollListener);
            recyclerView.setOnScrollListener(mOnScrollListener);
        }
    }
}
 

@BindingAdapter({"addOnScrollListener"})
public static void addOnScrollListener(RecyclerView view, RecyclerView.OnScrollListener listener) {
    if(listener!=null)
        view.setOnScrollListener(listener);
}
 

public RecyclerView findRefreshViewById(int id) {
    mRecyclerView = (RecyclerView) this.findViewById(id);
    mRecyclerView.setOnScrollListener(mScrollListener);
    return mRecyclerView;
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    View v = inflater.inflate(R.layout.fragment_verticalcontent, container, false);

    RecyclerView rv = ((RecyclerView) v.findViewById(R.id.vertical_content));
    final PreCachingLayoutManager mLayoutManager;
    mLayoutManager = new PreCachingLayoutManager(getActivity());
    rv.setLayoutManager(mLayoutManager);

    v.findViewById(R.id.post_floating_action_button).setVisibility(View.GONE);

    final SwipeRefreshLayout mSwipeRefreshLayout = (SwipeRefreshLayout) v.findViewById(R.id.activity_main_swipe_refresh_layout);

    mSwipeRefreshLayout.setColorSchemeColors(Palette.getColors("mod", getActivity()));

    //If we use 'findViewById(R.id.header).getMeasuredHeight()', 0 is always returned.
    //So, we estimate the height of the header in dp
    mSwipeRefreshLayout.setProgressViewOffset(false,
            Constants.TAB_HEADER_VIEW_OFFSET - Constants.PTR_OFFSET_TOP,
            Constants.TAB_HEADER_VIEW_OFFSET + Constants.PTR_OFFSET_BOTTOM);

    mSwipeRefreshLayout.post(new Runnable() {
        @Override
        public void run() {
            mSwipeRefreshLayout.setRefreshing(true);
        }
    });
    posts = new ModLogPosts();
    adapter = new ModLogAdapter(getActivity(), posts, rv);
    rv.setAdapter(adapter);

    rv.setOnScrollListener(new ToolbarScrollHideHandler(((ModQueue) getActivity()).mToolbar, (getActivity()).findViewById(R.id.header)));

    posts.bindAdapter(adapter, mSwipeRefreshLayout);
    mSwipeRefreshLayout.setOnRefreshListener(
            new SwipeRefreshLayout.OnRefreshListener() {
                @Override
                public void onRefresh() {
                    posts.loadMore(adapter);
                }
            }
    );
    return v;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {

    final String TAG = "MainActivity";

    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    recyclerView = (RecyclerView) findViewById(R.id.recyclerView);

    final ArrayList<Integer> items = new ArrayList<>();

    for (int n=0;n<100;n++)
    {
        items.add(n);
    }

    final CustomAdapter adapter = new CustomAdapter(items,this);
  //  adapter.setHasStableIds(true);

    recyclerView.setAdapter(adapter);
    recyclerView.setLayoutManager( new LinearLayoutManager(this));
    recyclerView.setItemAnimator(null);

    DragSortRecycler dragSortRecycler = new DragSortRecycler();
    dragSortRecycler.setViewHandleId(R.id.imageView);
    dragSortRecycler.setFloatingAlpha(0.4f);
    dragSortRecycler.setFloatingBgColor(0x800000FF);
    dragSortRecycler.setAutoScrollSpeed(0.3f);
    dragSortRecycler.setAutoScrollWindow(0.1f);

    dragSortRecycler.setOnItemMovedListener(new DragSortRecycler.OnItemMovedListener() {
        @Override
        public void onItemMoved(int from, int to) {
            Log.d(TAG, "onItemMoved " + from + " to " + to);
            Integer item = items.remove(from);
            items.add(to, item);
            adapter.notifyDataSetChanged();
            //notifyItemMoved does work, but it makes the list scroll pos jump a little when dragging near the top or bottom
            //adapter.notifyItemMoved(from,to);
        }
    });

    dragSortRecycler.setOnDragStateChangedListener(new DragSortRecycler.OnDragStateChangedListener() {
        @Override
        public void onDragStart() {
            Log.d(TAG, "Drag Start");
        }

        @Override
        public void onDragStop() {
            Log.d(TAG, "Drag Stop");
        }
    });

    recyclerView.addItemDecoration(dragSortRecycler);
    recyclerView.addOnItemTouchListener(dragSortRecycler);
    recyclerView.setOnScrollListener(dragSortRecycler.getScrollListener());
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    View v = inflater.inflate(R.layout.fragment_verticalcontent, container, false);

    RecyclerView rv = ((RecyclerView) v.findViewById(R.id.vertical_content));
    final PreCachingLayoutManager mLayoutManager;
    mLayoutManager = new PreCachingLayoutManager(getActivity());
    rv.setLayoutManager(mLayoutManager);

    v.findViewById(R.id.post_floating_action_button).setVisibility(View.GONE);

    final SwipeRefreshLayout mSwipeRefreshLayout = (SwipeRefreshLayout) v.findViewById(R.id.activity_main_swipe_refresh_layout);

    mSwipeRefreshLayout.setColorSchemeColors(Palette.getColors(id, getActivity()));

    //If we use 'findViewById(R.id.header).getMeasuredHeight()', 0 is always returned.
    //So, we estimate the height of the header in dp
    mSwipeRefreshLayout.setProgressViewOffset(false,
            Constants.TAB_HEADER_VIEW_OFFSET - Constants.PTR_OFFSET_TOP,
            Constants.TAB_HEADER_VIEW_OFFSET + Constants.PTR_OFFSET_BOTTOM);

    mSwipeRefreshLayout.post(new Runnable() {
        @Override
        public void run() {
            mSwipeRefreshLayout.setRefreshing(true);
        }
    });
    posts = new ModeratorPosts(id, sub);
    adapter = new ModeratorAdapter(getActivity(), posts, rv);
    rv.setAdapter(adapter);

    rv.setOnScrollListener(new ToolbarScrollHideHandler(((ModQueue) getActivity()).mToolbar, (getActivity()).findViewById(R.id.header)));

    posts.bindAdapter(adapter, mSwipeRefreshLayout);
    mSwipeRefreshLayout.setOnRefreshListener(
            new SwipeRefreshLayout.OnRefreshListener() {
                @Override
                public void onRefresh() {
                    posts.loadMore(adapter, id, sub);
                }
            }
    );
    return v;
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_ayah_word, container, false);

    mRecyclerView = (RecyclerView) view.findViewById(R.id.recycler_ayah_word_view);

    //for fast scroll
    VerticalRecyclerViewFastScroller fastScroller = (VerticalRecyclerViewFastScroller) view.findViewById(R.id.fast_scroller);

    // Connect the recycler to the scroller (to let the scroller scroll the list)
    fastScroller.setRecyclerView(mRecyclerView);

    // Connect the scroller to the recycler (to let the recycler scroll the scroller's handle)
    mRecyclerView.setOnScrollListener(fastScroller.getOnScrollListener());

    ayahWordAdapter = new AyahWordAdapter(ayahWordArrayList, getActivity(), surah_id);


    return view;
}