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

@Override protected void postButterInit() {
    rvChat.setAdapter(adapter);
    layoutManager = new LinearLayoutManager(activity);
    layoutManager.setReverseLayout(false);
    rvChat.setLayoutManager(layoutManager);
    initMessageInput();
    rvChat.addOnLayoutChangeListener((v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
        if (bottom < oldBottom) {
            if (rvChat.getAdapter().getItemCount() > THRESHOLD_SCROLL) {
                rvChat.postDelayed(() -> rvChat.smoothScrollToPosition(
                        rvChat.getAdapter().getItemCount() - 1), 100);
            }
        }
    });
    srlRefresh.setOnRefreshListener(() -> {
        presenter.turnOffMessageListener();
        presenter.turnOnMessageListener(chatThread);
    });
}
 

/**
 * 初始化选集recyclerView
 */
private void initSelectionRecycler()
{

    List<BangumiDetailsInfo.ResultBean.EpisodesBean> episodes = result.getEpisodes();

    mBangumiSelectionRecycler.setHasFixedSize(false);
    mBangumiSelectionRecycler.setNestedScrollingEnabled(false);
    LinearLayoutManager mLinearLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false);
    mLinearLayoutManager.setReverseLayout(true);
    mBangumiSelectionRecycler.setLayoutManager(mLinearLayoutManager);
    BangumiDetailsSelectionAdapter mBangumiDetailsSelectionAdapter = new BangumiDetailsSelectionAdapter(mBangumiSelectionRecycler, episodes);
    mBangumiSelectionRecycler.setAdapter(mBangumiDetailsSelectionAdapter);
    mBangumiDetailsSelectionAdapter.notifyItemForeground(episodes.size() - 1);
    mBangumiSelectionRecycler.scrollToPosition(episodes.size() - 1);
    mBangumiDetailsSelectionAdapter.setOnItemClickListener((position, holder) -> {

        mBangumiDetailsSelectionAdapter.notifyItemForeground(holder.getLayoutPosition());
        VideoDetailsActivity.launch(BangumiDetailsActivity.this,
                episodes.get(position).getAv_id(), episodes.get(position).getCover());
        LogUtil.test(" getAv_id = "+ episodes.get(position).getAv_id());
    });
}
 

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();
}
 

/**
 * 初始化选集recyclerView
 */
private void initSelectionRecycler()
{

    List<BangumiDetailsInfo.ResultBean.EpisodesBean> episodes = result.getEpisodes();

    mBangumiSelectionRecycler.setHasFixedSize(false);
    mBangumiSelectionRecycler.setNestedScrollingEnabled(false);
    LinearLayoutManager mLinearLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false);
    mLinearLayoutManager.setReverseLayout(true);
    mBangumiSelectionRecycler.setLayoutManager(mLinearLayoutManager);
    BangumiDetailsSelectionAdapter mBangumiDetailsSelectionAdapter = new BangumiDetailsSelectionAdapter(mBangumiSelectionRecycler, episodes);
    mBangumiSelectionRecycler.setAdapter(mBangumiDetailsSelectionAdapter);
    mBangumiDetailsSelectionAdapter.notifyItemForeground(episodes.size() - 1);
    mBangumiSelectionRecycler.scrollToPosition(episodes.size() - 1);
    mBangumiDetailsSelectionAdapter.setOnItemClickListener((position, holder) -> {

        mBangumiDetailsSelectionAdapter.notifyItemForeground(holder.getLayoutPosition());
        VideoDetailsActivity.launch(BangumiDetailsActivity.this,
                episodes.get(position).getAv_id(), episodes.get(position).getCover());
        LogUtil.test(" getAv_id = "+ episodes.get(position).getAv_id());
    });
}
 

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

    mRecyclerView = (RecyclerView) mView.findViewById(R.id.chat_message_list);
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getActivity());
    linearLayoutManager.setReverseLayout(true);
    mRecyclerView.setLayoutManager(linearLayoutManager);
    messageRecyclerAdapter = new ChatMessageRecyclerAdapter(getActivity(), this);
    mRecyclerView.setAdapter(messageRecyclerAdapter);

    compose = (EditText) mView.findViewById(R.id.chat_compose);

    sendBox = (FrameLayout) mView.findViewById(R.id.chat_send_box);
    sendBox.setOnClickListener(onClickSend);

    refreshChatMessages();
    EventBus.getDefault().register(this);

    return mView;
}
 

@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;
}
 

@Override protected void postButterInit() {
    LinearLayoutManager layoutManager = new LinearLayoutManager(activity);
    layoutManager.setReverseLayout(false);
    rvContacts.setLayoutManager(layoutManager);
    rvContacts.setAdapter(adapter);
    adapter.setClickListener((position, thread) -> {
        activity.changeFragmentWithThread(ChatControlActivity.ChatState.THREAD, thread);
    });
    srlRefresh.setOnRefreshListener(() -> {
        presenter.turnOffThreadsListener();
        presenter.turnOnThreadsListener();
    });
}
 

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

    // recover our username and set the maximum tweet size
    username = getIntent().getStringExtra(INTENT_USERNAME);
    txtMessage.setFilters(new InputFilter[] { new InputFilter.LengthFilter(138 - username.length()) });

    // Configure the Toolbar
    Toolbar toolbar = findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    gatewaySwitch.setChecked(true);

    // configure the recyclerview
    RecyclerView tweetsRecyclerView = findViewById(R.id.tweet_list);
    LinearLayoutManager mLinearLayoutManager = new LinearLayoutManager(this);
    mLinearLayoutManager.setReverseLayout(true);
    tweetsRecyclerView.setLayoutManager(mLinearLayoutManager);
    tweetsRecyclerView.setAdapter(tweetsAdapter);

    // Set the Bridgefy MessageListener
    Log.d(TAG, "Setting new State and Message Listeners");
    Bridgefy.setMessageListener(tweetManager = new TweetManager(username, this));

    // register the connected receiver
    registerReceiver(wifiReceiver,
            new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
}
 

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

    // recover our Peer object
    conversationName = getIntent().getStringExtra(INTENT_EXTRA_NAME);
    conversationId   = getIntent().getStringExtra(INTENT_EXTRA_UUID);

    // Configure the Toolbar
    Toolbar toolbar = findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    // Enable the Up button
    ActionBar ab = getSupportActionBar();
    if (ab != null) {
        ab.setTitle(conversationName);
        ab.setDisplayHomeAsUpEnabled(true);
    }

    // register the receiver to listen for incoming messages
    LocalBroadcastManager.getInstance(getBaseContext())
            .registerReceiver(new BroadcastReceiver() {
                @Override
                public void onReceive(Context context, Intent intent) {
                    Message message = new Message(intent.getStringExtra(MainActivity.INTENT_EXTRA_MSG));
                    message.setDeviceName(intent.getStringExtra(MainActivity.INTENT_EXTRA_NAME));
                    message.setDirection(Message.INCOMING_MESSAGE);
                    messagesAdapter.addMessage(message);
                }
            }, new IntentFilter(conversationId));

    // configure the recyclerview
    RecyclerView messagesRecyclerView = findViewById(R.id.message_list);
    LinearLayoutManager mLinearLayoutManager = new LinearLayoutManager(this);
    mLinearLayoutManager.setReverseLayout(true);
    messagesRecyclerView.setLayoutManager(mLinearLayoutManager);
    messagesRecyclerView.setAdapter(messagesAdapter);
}
 

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 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);
}
 

@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;
}
 

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

    // recover our Peer object
    conversationName = getIntent().getStringExtra(MainActivity.INTENT_EXTRA_NAME);
    conversationId   = getIntent().getStringExtra(MainActivity.INTENT_EXTRA_UUID);

    // Configure the Toolbar
    Toolbar toolbar = findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    // Enable the Up button
    ActionBar ab = getSupportActionBar();
    if (ab != null) {
        ab.setTitle(conversationName);
        ab.setDisplayHomeAsUpEnabled(true);
    }
    Log.i("C", "onCreate: conversation id is "+conversationId);

    // register the receiver to listen for incoming bridgefyFiles
    LocalBroadcastManager.getInstance(getBaseContext())
            .registerReceiver(new BroadcastReceiver() {
                @Override
                public void onReceive(Context context, Intent intent) {
                    Log.i(TAG, "onReceive: received message to adapter");
                    Message message = intent.getParcelableExtra(MainActivity.INTENT_EXTRA_MSG);
                    byte[] fileBytes = message.getData();
                    BridgefyFile bridgefyFile = new BridgefyFile((String)message.getContent().get("file"));
                    bridgefyFile.setData(fileBytes);
                    bridgefyFile.setDeviceName(intent.getStringExtra(MainActivity.INTENT_EXTRA_NAME));
                    bridgefyFile.setDirection(BridgefyFile.INCOMING_FILE);
                    messagesAdapter.addMessage(bridgefyFile);
                }
            }, new IntentFilter(conversationId));

    // configure the recyclerview
    RecyclerView messagesRecyclerView = findViewById(R.id.message_list);
    LinearLayoutManager mLinearLayoutManager = new LinearLayoutManager(this);
    mLinearLayoutManager.setReverseLayout(true);
    messagesRecyclerView.setLayoutManager(mLinearLayoutManager);
    messagesRecyclerView.setAdapter(messagesAdapter);
}
 

@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;

}