Java Code Examples for android.support.v7.widget.LinearLayoutManager#setStackFromEnd()

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

    RecyclerView mRecyclerView = (RecyclerView) v.findViewById(R.id.recyclerView);
    mRecyclerView.setHasFixedSize(true);
    LinearLayoutManager llm = new LinearLayoutManager(getActivity());
    llm.setOrientation(LinearLayoutManager.VERTICAL);

    //newest to oldest order (database stores from oldest to newest)
    llm.setReverseLayout(true);
    llm.setStackFromEnd(true);

    mRecyclerView.setLayoutManager(llm);
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());

    mFileViewerAdapter = new FileViewerAdapter(getActivity(), llm);
    mRecyclerView.setAdapter(mFileViewerAdapter);

    return v;
}
 

/**
 * Set adapter for MessageList.
 *
 * @param adapter Adapter, extends MsgListAdapter.
 * @param         <MESSAGE> Message model extends IMessage.
 */
public <MESSAGE extends IMessage> void setAdapter(MsgListAdapter<MESSAGE> adapter) {
    mAdapter = adapter;
    SimpleItemAnimator itemAnimator = new DefaultItemAnimator();
    itemAnimator.setSupportsChangeAnimations(false);
    setItemAnimator(itemAnimator);

    LinearLayoutManager layoutManager = new LinearLayoutManager(getContext(), LinearLayoutManager.VERTICAL, true);
    layoutManager.setStackFromEnd(true);
    setLayoutManager(layoutManager);

    adapter.setLayoutManager(layoutManager);
    adapter.setStyle(mContext, mMsgListStyle);
    mScrollMoreListener = new ScrollMoreListener(layoutManager, adapter);
    addOnScrollListener(mScrollMoreListener);
    super.setAdapter(adapter);
}
 

private void initViews(View v) {
  emptyListLabel = v.findViewById(R.id.empty_list_label);
  mRecordingsListView = v.findViewById(R.id.recyclerView);
  mRecordingsListView.setHasFixedSize(true);
  LinearLayoutManager llm = new LinearLayoutManager(getActivity());
  llm.setOrientation(LinearLayoutManager.VERTICAL);

  //newest to oldest order (database stores from oldest to newest)
  llm.setReverseLayout(true);
  llm.setStackFromEnd(true);

  mRecordingsListView.setLayoutManager(llm);
  //mRecordingsListView.setItemAnimator(new DefaultItemAnimator());
  mRecordingsListView.setAdapter(mPlayListAdapter);
  playListPresenter.onViewInitialised();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_chat);
    ButterKnife.bind(this);

    toolbar.setNavigationIcon(R.drawable.ic_arrow_back);
    toolbar.setNavigationOnClickListener(v -> {
        finishActivity();
    });

    mLinearLayoutManager = new LinearLayoutManager(this);
    mLinearLayoutManager.setStackFromEnd(true);

    messageRecyclerView.setLayoutManager(mLinearLayoutManager);

    mPresenter = new ChatPresenterImpl(this, this);
}
 

/**
 * private method for initializing form build helper
 * @param context
 * @param recyclerView
 * @param listener
 */
private void initializeFormBuildHelper(Context context, RecyclerView recyclerView, OnFormElementValueChangedListener listener) {

    // initialize form adapter
    this.mFormAdapter = new FormAdapter(context, listener);

    // set up the recyclerview with adapter
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(context);
    linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
    linearLayoutManager.setStackFromEnd(false);

    recyclerView.setLayoutManager(linearLayoutManager);
    recyclerView.setAdapter(mFormAdapter);
    recyclerView.setItemAnimator(new DefaultItemAnimator());

}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_chat);
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
    FloatingActionButton fab = findViewById(R.id.fab);

    chatRecView = findViewById(R.id.list_of_messages);
    dbChatRef = FirebaseDatabase.getInstance().getReference("/chat");
    LinearLayoutManager layoutManager = new LinearLayoutManager(this);
    layoutManager.setStackFromEnd(false);
    chatRecView.setHasFixedSize(true);
    chatRecView.setLayoutManager(layoutManager);

    if (FirebaseAuth.getInstance().getCurrentUser() == null) {
        startActivity(new Intent(ChatActivity.this, LoginActivity.class));
    }
    fab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            fabClick();
        }
    });
}
 

private void initMessageList() {
    this.mMessages = (RecyclerView) this.findViewById(R.id.messages);
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
    linearLayoutManager.setStackFromEnd(Boolean.TRUE);
    this.mMessages.setLayoutManager(linearLayoutManager);
    this.mAdapter = new MessageAdapter(new ArrayList<Message>());
    this.mMessages.setAdapter(mAdapter);
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    View rootView = inflater.inflate(R.layout.fragment_downloads, container, false);
    mRecyclerView = (RecyclerView) rootView.findViewById(R.id.downloadRecyclerView);
    ((SimpleItemAnimator) mRecyclerView.getItemAnimator()).setSupportsChangeAnimations(false);
    LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
    layoutManager.setReverseLayout(true);
    layoutManager.setStackFromEnd(true);
    mRecyclerView.setLayoutManager(layoutManager);
    mRecyclerView.setHasFixedSize(true);

    mDownloadAdapter = new DownloadAdapter(getActivity());
    mRecyclerView.setAdapter(mDownloadAdapter);
    mEmptyView = rootView.findViewById(R.id.empty_view);
    FloatingActionButton usageInstructionButton = (FloatingActionButton)rootView.findViewById(R.id.usage_instruction_button);
    usageInstructionButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent usageInstructionIntent = new Intent(getActivity(), UsageInstruction.class);
            startActivity(usageInstructionIntent);
        }
    });

    return rootView;
}
 

private void initRecyclerView(RVRendererAdapter chatAdapter) {
  messageRecyclerView.setAdapter(chatAdapter);

  LinearLayoutManager recyclerViewManager = new LinearLayoutManager(getActivity());
  recyclerViewManager.setStackFromEnd(true);

  messageRecyclerView.setLayoutManager(recyclerViewManager);
  messageRecyclerView.setHasFixedSize(true);
}
 

private void initMessageList() {
    this.mMessages = (RecyclerView) this.findViewById(R.id.messages);
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
    linearLayoutManager.setStackFromEnd(Boolean.TRUE);
    this.mMessages.setLayoutManager(linearLayoutManager);
    this.mAdapter = new MessageAdapter(new ArrayList<Message>());
    this.mMessages.setAdapter(mAdapter);
}
 

public Drawers(MainActivity activity, DrawerLayout drawerLayout) {
    this.activity = activity;
    this.drawerLayout = drawerLayout;
    menuDrawer = (NavigationView) activity.findViewById(R.id.menu_drawer);
    tabDrawer = (NavigationView) activity.findViewById(R.id.tab_drawer);

    menuListView = (RecyclerView) activity.findViewById(R.id.menu_list);
    tabListView = (RecyclerView) activity.findViewById(R.id.tab_list);

    forbiddenError = (TextView) activity.findViewById(R.id.forbidden_error);
    tabCloseAllButton = (Button) activity.findViewById(R.id.tab_close_all);

    menuListLayoutManager = new LinearLayoutManager(activity);
    tabListLayoutManager = new LinearLayoutManager(activity);
    tabListLayoutManager.setStackFromEnd(Preferences.Main.isTabsBottom(activity));
    menuListView.setLayoutManager(menuListLayoutManager);
    tabListView.setLayoutManager(tabListLayoutManager);


    menuAdapter = new MenuAdapter();

    tabAdapter = new TabAdapter();

    menuListView.setAdapter(menuAdapter);
    tabListView.setAdapter(tabAdapter);

    menuAdapter.setItems(menuItems);

    tabCloseAllButton.setOnClickListener(v -> closeAllTabs());
    App.get().addPreferenceChangeObserver(preferenceObserver);
    App.get().addStatusBarSizeObserver(statusBarSizeObserver);
    App.get().subscribeForbidden(forbiddenObserver);
}
 

private void blogList() {
    mBlogList = findViewById(R.id.blog_list);
    LinearLayoutManager layoutManager = new LinearLayoutManager(this);
    layoutManager.setReverseLayout(true);
    layoutManager.setStackFromEnd(true);
    mBlogList.setHasFixedSize(true);
    mBlogList.setLayoutManager(layoutManager);
    floatingActionButton = findViewById(R.id.fab);
}
 

private void initView() {
    mBtnEvaluate = findViewById(R.id.btn_solve);
    mInputFormula = findViewById(R.id.edit_input);
    mInputFormula.setOnSuggestionClickListener(this);

    mProgress = findViewById(R.id.progress_bar);
    mSpinner = findViewById(R.id.spinner);
    mBtnClear = findViewById(R.id.btn_clear);
    mInputFormula2 = findViewById(R.id.edit_input_2);
    mHint1 = findViewById(R.id.hint_1);
    mHint2 = findViewById(R.id.hint_2);

    mBtnClear.setOnClickListener(this);
    mBtnEvaluate.setOnClickListener(this);
    mProgress.hide();
    findViewById(R.id.fab_help).setOnClickListener(this);
    mEditLowerBound = findViewById(R.id.edit_lower);
    mEditUpperBound = findViewById(R.id.edit_upper);
    mLayoutLimit = findViewById(R.id.layout_limit);
    mLayoutLimit.setVisibility(View.GONE);
    mInputFormula.setOnKeyListener(mFormulaOnKeyListener);

    mResultView = findViewById(R.id.rc_result);
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
    linearLayoutManager.setStackFromEnd(false);
    mResultView.setHasFixedSize(true);
    mResultView.setLayoutManager(linearLayoutManager);
    mResultAdapter = new ResultAdapter(this);
    mResultView.setAdapter(mResultAdapter);
}
 

public void setIoItemRecyclerView(Context context) {
    // 用于存储recyclerView的日期
    GlobalVariables.setmDate("");

    LinearLayoutManager layoutManager = new LinearLayoutManager(context);
    layoutManager.setStackFromEnd(true);    // 列表从底部开始展示，反转后从上方开始展示
    layoutManager.setReverseLayout(true);   // 列表反转

    ioItemRecyclerView.setLayoutManager(layoutManager);
    ioAdapter = new IOItemAdapter(ioItemList);
    ioItemRecyclerView.setAdapter(ioAdapter);
    ioTouchHelper.attachToRecyclerView(ioItemRecyclerView);
}
 

private void initRecyclerView() {
    Log.d(TAG, "initRecyclerView");

    mLinearLayoutManager = new LinearLayoutManager(this);
    mLinearLayoutManager.setStackFromEnd(true);  // put adding from bottom
    recyclerView.setLayoutManager(mLinearLayoutManager);
    initRecyclerViewAdapter(recyclerView);
}
 

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

    String currentUserId = FirebaseAuth.getInstance().getCurrentUser().getUid();

    // Initialize Chat Database

    DatabaseReference chatDatabase = FirebaseDatabase.getInstance().getReference().child("Chat").child(currentUserId);
    chatDatabase.keepSynced(true); // For offline use

    // RecyclerView related

    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getContext());
    linearLayoutManager.setReverseLayout(true);
    linearLayoutManager.setStackFromEnd(true);

    RecyclerView recyclerView = view.findViewById(R.id.chat_recycler);
    recyclerView.setHasFixedSize(true);
    recyclerView.setLayoutManager(linearLayoutManager);

    DividerItemDecoration mDividerItemDecoration = new DividerItemDecoration(recyclerView.getContext(), linearLayoutManager.getOrientation());
    recyclerView.addItemDecoration(mDividerItemDecoration);

    // Initializing adapter

    FirebaseRecyclerOptions<Chat> options = new FirebaseRecyclerOptions.Builder<Chat>().setQuery(chatDatabase.orderByChild("timestamp"), Chat.class).build();

    adapter = new FirebaseRecyclerAdapter<Chat, ChatHolder>(options)
    {
        @Override
        public ChatHolder onCreateViewHolder(ViewGroup parent, int viewType)
        {
            View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.user, parent, false);

            return new ChatHolder(getActivity(), view, getContext());
        }

        @Override
        protected void onBindViewHolder(final ChatHolder holder, int position, final Chat model)
        {
            final String userid = getRef(position).getKey();

            holder.setHolder(userid, model.getMessage(), model.getTimestamp(), model.getSeen());
            holder.getView().setOnClickListener(new View.OnClickListener()
            {
                @Override
                public void onClick(View view)
                {
                    Intent chatIntent = new Intent(getContext(), ChatActivity.class);
                    chatIntent.putExtra("userid", userid);
                    startActivity(chatIntent);
                }
            });
        }

        @Override
        public void onDataChanged()
        {
            super.onDataChanged();

            TextView text = view.findViewById(R.id.f_chat_text);

            if(adapter.getItemCount() == 0)
            {
                text.setVisibility(View.VISIBLE);
            }
            else
            {
                text.setVisibility(View.GONE);
            }
        }
    };

    recyclerView.setAdapter(adapter);
    return view;
}
 

@Override
public void initView() {
    NotificationManager mNotificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE) ;
    mNotificationManager.cancel(1001);

    talker = (Talker) getIntent().getSerializableExtra(ROOM_TALKER);
    roomSession = RoomSession.getInstance();
    roomSession.setRoomType(talker.getTalkType());
    roomSession.setRoomKey(talker.getTalkKey());

    switch (talker.getTalkType()) {
        case 0:
            roomSession.setRoomName(talker.getTalkName());
            roomSession.setFriendAvatar(talker.getFriendEntity().getAvatar());
            baseChat = new FriendChat(talker.getFriendEntity());

            if (!TextUtils.isEmpty(baseChat.address())) {
                UserOrderBean userOrderBean = new UserOrderBean();
                userOrderBean.friendChatCookie(baseChat.roomKey());
            }
            RecExtBean.sendRecExtMsg(RecExtBean.ExtType.BURNSTATE, roomSession.getBurntime() == 0 ? 0 : 1);
            break;
        case 1:
            roomSession.setRoomName(talker.getTalkName());
            roomSession.setGroupEcdh(talker.getGroupEntity().getEcdh_key());
            baseChat = new GroupChat(talker.getGroupEntity());
            break;
        case 2:
            baseChat = RobotChat.getInstance();
            roomSession.setRoomName(baseChat.nickName());
            break;
    }

    linearLayoutManager = new LinearLayoutManager(this);
    linearLayoutManager.setOrientation(OrientationHelper.VERTICAL);
    linearLayoutManager.setStackFromEnd(true);
    inputPanel = new InputPanel(getWindow().getDecorView().findViewById(android.R.id.content));
    inputPanel.isGroupAt(talker.getTalkType() == 1);
    scrollHelper = new RecycleViewScrollHelper(new RecycleViewScrollHelper.OnScrollPositionChangedListener() {

        @Override
        public void onScrollToTop() {
            loadMoreMsgs();
        }

        @Override
        public void onScrollToBottom() {

        }

        @Override
        public void onScrollToUnknown(boolean isTopViewVisible, boolean isBottomViewVisible) {

        }
    });
    scrollHelper.setCheckIfItemViewFullRecycleViewForTop(true);

    roomEntity = ConversionHelper.getInstance().loadRoomEnitity(talker.getTalkKey());
    if (roomEntity != null) {
        if (!TextUtils.isEmpty(roomEntity.getDraft())) {
            inputPanel.insertDraft(" " + roomEntity.getDraft());
        }
        ConversionHelper.getInstance().updateRoomEntity(roomEntity);
    }
}
 

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

    RecyclerView lvBuilds = view.findViewById(R.id.lv_builds);
    Query query;
    if (filterQuery != null) {
        query = FirebaseDatabase.getInstance().getReference().child(reference).orderByChild(filterQuery).equalTo(equalTo);

    } else {
        query = FirebaseDatabase.getInstance()
                .getReference(reference);
    }
    query.keepSynced(true);
    FirebaseRecyclerOptions options = new FirebaseRecyclerOptions.Builder()
            .setQuery(query, Pbuild.class)
            .build();
    adapter = new FirebaseRecyclerAdapter<Pbuild, BuildsHolder>(options) {
        @NonNull
        @Override
        public BuildsHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
            View view = LayoutInflater.from(parent.getContext())
                    .inflate(R.layout.list_build_common, parent, false);
            if (filterQuery != null) {
                return new BuildsHolder(view, reference, true, getContext());
            } else {
                return new BuildsHolder(view, reference, false, getContext());
            }
        }

        @Override
        protected void onBindViewHolder(@NonNull BuildsHolder holder, int position, @NonNull Pbuild model) {
            holder.bind(
                    model.getEmail(),
                    model.getModel(),
                    model.getBoard(),
                    model.getDate(),
                    model.getBrand(),
                    model.getDeveloperEmail(),
                    model.getRejector(),
                    model.getNote(),
                    model.getUrl());
        }

        @Override
        public void onDataChanged() {
            super.onDataChanged();
            ProgressBar();
        }
    };
    ProgressBar();
    LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
    layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
    layoutManager.setReverseLayout(true);
    layoutManager.setStackFromEnd(true);
    lvBuilds.setLayoutManager(layoutManager);
    lvBuilds.setAdapter(adapter);
    return view;

}
 

@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    mInterpretation = new Select()
            .from(Interpretation.class)
            .where(Condition.column(Interpretation$Table
                    .ID).is(getArguments().getLong(INTERPRETATION_ID)))
            .querySingle();
    UserAccount account = UserAccount
            .getCurrentUserAccountFromDb();
    mUser = new Select()
            .from(User.class)
            .where(Condition.column(User$Table
                    .UID).is(account.getUId()))
            .querySingle();

    ButterKnife.bind(this, view);

    mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            onBackPressed();
        }
    });

    mAdapter = new InterpretationCommentsAdapter(getActivity(),
            LayoutInflater.from(getActivity()), this, mUser);

    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getActivity());
    linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
    linearLayoutManager.setStackFromEnd(true);

    mRecyclerView.setLayoutManager(linearLayoutManager);
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());
    mRecyclerView.setAdapter(mAdapter);

    Drawable buttonIcon = ContextCompat.getDrawable(
            getActivity(), R.mipmap.ic_comment_send);
    DrawableCompat.setTintList(buttonIcon, getResources()
            .getColorStateList(R.color.button_navy_blue_color_state_list));
    mAddNewComment.setImageDrawable(buttonIcon);

    handleAddNewCommentButton(EMPTY_FIELD);
}
 

@Override
    public void onViewCreated(final View view, Bundle bundle) {
        super.onViewCreated(view, bundle);

        ((AppCompatActivity) getActivity()).setSupportActionBar(toolbar);

        ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
        if (actionBar != null) {
            actionBar.setDisplayHomeAsUpEnabled(true);
            actionBar.setTitle(TrestleUtility.getFormattedText(getString(R.string.comments), font));
        }

        setUpListeners();

        recyclerView.setItemAnimator(new SlideInUpAnimator());

        LinearLayoutManager layoutManager = new LinearLayoutManager(getContext(), LinearLayoutManager.VERTICAL, false);
        layoutManager.setStackFromEnd(true);
//        layoutManager.setReverseLayout(true);
        recyclerView.setLayoutManager(layoutManager);

        recyclerView.setItemAnimator(new SlideInUpAnimator());

        videoCommentsAdapter = new VideoCommentsAdapter(getActivity());
        videoCommentsAdapter.setOnItemLongClickListener(this);

//        List<Comment> comments = mSale.getComments();
//        if (comments != null && comments.size() > 0) {
//            Collections.reverse(comments);
//            mVideoCommentsAdapter.addAll(comments);
//        }

        recyclerView.setAdapter(videoCommentsAdapter);

        recyclerView.scrollToPosition(videoCommentsAdapter.getItemCount() - 1);

//        if (commentsCollection != null) {
////            loadComments();
//
//            List<Comment> comments = commentsCollection.getComments();
//            if (comments != null && comments.size() > 0) {
//
//                Collections.reverse(comments);
//                videoCommentsAdapter.addAll(comments);
//                recyclerView.scrollToPosition(videoCommentsAdapter.getItemCount() - 1);
////
////            mVideoCommentsAdapter.addAll(comments);
//
//                if (comments.size() >= PAGE_SIZE) {
////                            mVideoCommentsAdapter.addLoading();
//                } else {
//                    isLastPage = true;
//                }
//            }
//        } else {
//
//        }



        commentChangeObservable = RxTextView.textChanges(commentEditText);

        // Checks for validity of the comment input field
        setUpCommentSubscription();

        long id = video.getId();
        if (id != -1L) {
            loadingImageView.setVisibility(View.VISIBLE);

            videoId = id;

            Call getCommentsCall = vimeoService.getComments(videoId,
                    sortByValue,
                    sortOrderValue,
                    currentPage,
                    PAGE_SIZE);
            calls.add(getCommentsCall);
            getCommentsCall.enqueue(getCommentsFirstFetchCallback);
        }
    }