Java Code Examples for androidx.recyclerview.widget.RecyclerView#setLayoutManager()

PrinterBluetoothDialog(@NonNull Context context, @NonNull OnDialogListener listener) {
    super(context, AlertDialogUtils.getAlertDialogTheme(context));
    mListener = listener;
    setContentView(R.layout.dlg_printer_bluetooth);
    final RecyclerView bonded = findViewById(R.id.dpb_rv_bonded);
    if (bonded == null)
        return;
    final Drawable divider = ContextCompat.getDrawable(context,
            R.drawable.divider_common);
    if (divider != null) {
        final DividerItemDecoration decoration = new DividerItemDecoration(context,
                DividerItemDecoration.VERTICAL);
        decoration.setDrawable(divider);
        bonded.addItemDecoration(decoration);
    }
    bonded.setLayoutManager(new LinearLayoutManager(context));
    bonded.setAdapter(mAdapter);
}
 

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    storIOSQLite = DefaultStorIOSQLite.builder()
        .sqliteOpenHelper(new DbOpenHelper(this))
        .addTypeMapping(Tweet.class, new TweetSQLiteTypeMapping())
        .build();

    tweetsAdapter = new TweetsAdapter();
    recyclerView = (RecyclerView) findViewById(R.id.tweets_recycler_view);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    recyclerView.setAdapter(tweetsAdapter);

    addTweets();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_license);

    Toolbar toolbar = findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    if (getSupportActionBar() != null) {
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    }

    mLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
    mAdapter = new OpenSourceComponentAdapter(this, LICENSE_SOFTWARE, new String[]{
            ANDROID_ASSETS_FILE_PATH + ANDROID_OPEN_SOURCE_PROJECT_LICENSE,
            ANDROID_ASSETS_FILE_PATH + ANDROID_OPEN_SOURCE_PROJECT_LICENSE,
            ANDROID_ASSETS_FILE_PATH + ANDROID_OPEN_SOURCE_PROJECT_LICENSE,
            ANDROID_ASSETS_FILE_PATH + ANDROID_SOFTWARE_DEVELOPMENT_KIT,
            ANDROID_ASSETS_FILE_PATH + APACHE_LICENSE,
            ANDROID_ASSETS_FILE_PATH + APACHE_LICENSE
    });

    RecyclerView recyclerView = ((RecyclerView) findViewById(R.id.recycler_view));
    recyclerView.setLayoutManager(mLayoutManager);
    recyclerView.setAdapter(mAdapter);
}
 

@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    RecyclerView rvColor = view.findViewById(R.id.rvColors);
    SeekBar sbOpacity = view.findViewById(R.id.sbOpacity);
    SeekBar sbBrushSize = view.findViewById(R.id.sbSize);

    sbOpacity.setOnSeekBarChangeListener(this);
    sbBrushSize.setOnSeekBarChangeListener(this);

    LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity(), LinearLayoutManager.HORIZONTAL, false);
    rvColor.setLayoutManager(layoutManager);
    rvColor.setHasFixedSize(true);
    ColorPickerAdapter colorPickerAdapter = new ColorPickerAdapter(getActivity());
    colorPickerAdapter.setOnColorPickerClickListener(new ColorPickerAdapter.OnColorPickerClickListener() {
        @Override
        public void onColorPickerClickListener(int colorCode) {
            if (mProperties != null) {
                dismiss();
                mProperties.onColorChanged(colorCode);
            }
        }
    });
    rvColor.setAdapter(colorPickerAdapter);
}
 

@SuppressLint("RestrictedApi")
@Override
public void setupDialog(Dialog dialog, int style) {
    super.setupDialog(dialog, style);
    View contentView = View.inflate(getContext(), R.layout.fragment_bottom_sticker_emoji_dialog, null);
    dialog.setContentView(contentView);
    CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) ((View) contentView.getParent()).getLayoutParams();
    CoordinatorLayout.Behavior behavior = params.getBehavior();

    if (behavior != null && behavior instanceof BottomSheetBehavior) {
        ((BottomSheetBehavior) behavior).setBottomSheetCallback(mBottomSheetBehaviorCallback);
    }
    ((View) contentView.getParent()).setBackgroundColor(getResources().getColor(android.R.color.transparent));
    RecyclerView rvEmoji = contentView.findViewById(R.id.rvEmoji);

    GridLayoutManager gridLayoutManager = new GridLayoutManager(getActivity(), 5);
    rvEmoji.setLayoutManager(gridLayoutManager);
    EmojiAdapter emojiAdapter = new EmojiAdapter();
    rvEmoji.setAdapter(emojiAdapter);
}
 

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_search);
    mainWindow = findViewById(R.id.main_window);
    findViewById(R.id.btn_back).setOnClickListener(this);
    RecyclerView listView = findViewById(R.id.recycler_view);
    searchInput = findViewById(R.id.search_input);
    searchCard = findViewById(R.id.search_card);
    findViewById(R.id.start_search).setOnClickListener(this);
    findViewById(R.id.nav_search).setOnClickListener(this);
    searchInput.setHint("请输入搜索内容！");
    adapter = new SimpleListAdapter(ListType.SERRCH, this, datas);
    RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(this);
    listView.setLayoutManager(layoutManager);
    listView.addItemDecoration(new MyListDivider(this, MyListDivider.VERTICAL));
    listView.addOnScrollListener(new LoadMoreListener((LinearLayoutManager) layoutManager, this, 20));
    listView.setAdapter(adapter);
    adapter.changeLoadMoreState(BaseAdapter.STATE_LOAD_NOTHING);
    navTitle = findViewById(R.id.nav_title);
    findViewById(R.id.nav_back).setOnClickListener(this);
    searchInput.setOnEditorActionListener(this);
}
 

private void setupGridView() {
    final RecyclerView grid = activity.findViewById(R.id.home_gridview_buttons);
    grid.setHasFixedSize(false);

    StaggeredGridLayoutManager gridView =
            new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
    grid.setLayoutManager(gridView);
    grid.setItemAnimator(null);
    grid.setAdapter(adapter);

    grid.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @SuppressLint("NewApi")
        @Override
        public void onGlobalLayout() {
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
                grid.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            } else {
                grid.getViewTreeObserver().removeOnGlobalLayoutListener(this);
            }

            grid.requestLayout();
            adapter.notifyDataSetChanged();
            activity.rebuildOptionsMenu();
        }
    });
}
 

@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    mRecyclerView = (RecyclerView) getView().findViewById(R.id.list);
    mEmptyView = getView().findViewById(R.id.empty_view);
    mLoadingView = getView().findViewById(R.id.progress_indicator);
    LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
    layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
    mRecyclerView.setLayoutManager(layoutManager);
    mAdapter = new VideoListAdapter(this, getContext());
    mRecyclerView.setAdapter(mAdapter);
    getLoaderManager().initLoader(0, null, this);
}
 

private void initPreview() {
    rvPreview = (RecyclerView) findViewById(R.id.rv_preview_selected_photos);
    LinearLayoutManager lm = new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false);
    previewAdapter = new PuzzleSelectorPreviewAdapter(this, selectedPhotos, this);
    rvPreview.setLayoutManager(lm);
    rvPreview.setAdapter(previewAdapter);
}
 

@Override public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
    mAdapter = new SampleRecyclerAdapter(5);

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

    LinearLayoutManager layoutManager =
            new LinearLayoutManager(getContext(), LinearLayoutManager.HORIZONTAL, false);
    recyclerView.setLayoutManager(layoutManager);
    recyclerView.setAdapter(mAdapter);

    PagerSnapHelper pagerSnapHelper = new PagerSnapHelper();
    pagerSnapHelper.attachToRecyclerView(recyclerView);

    // CircleIndicator2 for RecyclerView
    CircleIndicator2 indicator = view.findViewById(R.id.indicator);
    indicator.attachToRecyclerView(recyclerView, pagerSnapHelper);

    // Scroll To Position
    layoutManager.scrollToPosition(2);

    // Observe Data Change
    mAdapter.registerAdapterDataObserver(indicator.getAdapterDataObserver());
    view.findViewById(R.id.add).setOnClickListener(new View.OnClickListener() {
        @Override public void onClick(View v) {
            mAdapter.add();
        }
    });
    view.findViewById(R.id.remove).setOnClickListener(v -> {
        mAdapter.remove();
    });
}
 

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mRecyclerView = new RecyclerView(container.getContext());
    mRecyclerView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
        ViewGroup.LayoutParams.MATCH_PARENT));
    mRecyclerView.setLayoutManager(new GridLayoutManager(container.getContext(), 4));
    mRecyclerView.setAdapter(new Adapter());
    return mRecyclerView;
}
 

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

    final View view = inflater.inflate(R.layout.fragment_ex6, container, false);

    sectionedAdapter = new SectionedRecyclerViewAdapter();

    final LoadMoviesUseCase loadMoviesUseCase = new LoadMoviesUseCase();
    sectionedAdapter.addSection(new ExpandableMovieSection(getString(R.string.top_rated_movies_topic),
            loadMoviesUseCase.execute(requireContext(), R.array.top_rated_movies), this));
    sectionedAdapter.addSection(new ExpandableMovieSection(getString(R.string.most_popular_movies_topic),
            loadMoviesUseCase.execute(requireContext(), R.array.most_popular_movies), this));

    final RecyclerView recyclerView = view.findViewById(R.id.recyclerview);

    final GridLayoutManager glm = new GridLayoutManager(getContext(), 2);
    glm.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
        @Override
        public int getSpanSize(final int position) {
            if (sectionedAdapter.getSectionItemViewType(position) == SectionedRecyclerViewAdapter.VIEW_TYPE_HEADER) {
                return 2;
            }
            return 1;
        }
    });
    recyclerView.setLayoutManager(glm);
    recyclerView.setAdapter(sectionedAdapter);

    return view;
}
 

@Override
public View onCreateView(
        @NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    // Inflate the layout for this fragment with the ProductGrid theme
    View view = inflater.inflate(R.layout.shr_product_grid_fragment, container, false);

    // Set up the tool bar
    setUpToolbar(view);

    // Set up the RecyclerView
    RecyclerView recyclerView = view.findViewById(R.id.recycler_view);
    recyclerView.setHasFixedSize(true);
    GridLayoutManager gridLayoutManager = new GridLayoutManager(getContext(), 2, GridLayoutManager.HORIZONTAL, false);
    gridLayoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
        @Override
        public int getSpanSize(int position) {
            return position % 3 == 2 ? 2 : 1;
        }
    });
    recyclerView.setLayoutManager(gridLayoutManager);
    StaggeredProductCardRecyclerViewAdapter adapter = new StaggeredProductCardRecyclerViewAdapter(
            ProductEntry.initProductEntryList(getResources()));
    recyclerView.setAdapter(adapter);
    int largePadding = getResources().getDimensionPixelSize(R.dimen.shr_staggered_product_grid_spacing_large);
    int smallPadding = getResources().getDimensionPixelSize(R.dimen.shr_staggered_product_grid_spacing_small);
    recyclerView.addItemDecoration(new ProductGridItemDecoration(largePadding, smallPadding));

    // Set cut corner background for API 23+
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        view.findViewById(R.id.product_grid)
            .setBackgroundResource(R.drawable.shr_product_grid_background_shape);
    }

    return view;
}
 

private void onShowPhotoSelectorDialog(Field field) {
  EditObservationBottomSheetBinding addPhotoBottomSheetBinding =
      EditObservationBottomSheetBinding.inflate(getLayoutInflater());
  addPhotoBottomSheetBinding.setViewModel(viewModel);
  addPhotoBottomSheetBinding.setField(field);

  BottomSheetDialog bottomSheetDialog = new BottomSheetDialog(getContext());
  bottomSheetDialog.setContentView(addPhotoBottomSheetBinding.getRoot());
  bottomSheetDialog.setCancelable(true);
  bottomSheetDialog.show();

  AddPhotoDialogAdapter.ItemClickListener listener =
      type -> {
        bottomSheetDialog.dismiss();
        switch (type) {
          case PHOTO_SOURCE_CAMERA:
            viewModel.showPhotoCapture(field);
            break;
          case PHOTO_SOURCE_STORAGE:
            viewModel.showPhotoSelector(field);
            break;
          default:
            throw new IllegalArgumentException("Unknown type: " + type);
        }
      };

  RecyclerView recyclerView = addPhotoBottomSheetBinding.recyclerView;
  recyclerView.setHasFixedSize(true);
  recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
  recyclerView.setAdapter(new AddPhotoDialogAdapter(listener));
}
 

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

    RecyclerView recyclerView = view.findViewById(R.id.recycler_view);
    MappingAdapter adapter = new MappingAdapter(list, getActivity(), MappingType.CHARACTERISTIC);
    recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
    recyclerView.setAdapter(adapter);

    // Inflate the layout for this fragment
    return view;
}
 

@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
    View view = getActivity().getLayoutInflater().inflate(R.layout.preference_dialog_library_categories, null);

    List<CategoryInfo> categoryInfos;
    if (savedInstanceState != null) {
        categoryInfos = savedInstanceState.getParcelableArrayList(PreferenceUtil.LIBRARY_CATEGORIES);
    } else {
        categoryInfos = PreferenceUtil.getInstance(getContext()).getLibraryCategoryInfos();
    }
    adapter = new CategoryInfoAdapter(categoryInfos);

    RecyclerView recyclerView = view.findViewById(R.id.recycler_view);
    recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
    recyclerView.setAdapter(adapter);

    adapter.attachToRecyclerView(recyclerView);

    return new MaterialDialog.Builder(getContext())
            .title(R.string.library_categories)
            .customView(view, false)
            .positiveText(android.R.string.ok)
            .negativeText(android.R.string.cancel)
            .neutralText(R.string.reset_action)
            .autoDismiss(false)
            .onNeutral((dialog, action) -> adapter.setCategoryInfos(PreferenceUtil.getInstance(getContext()).getDefaultLibraryCategoryInfos()))
            .onNegative((dialog, action) -> dismiss())
            .onPositive((dialog, action) -> {
                updateCategories(adapter.getCategoryInfos());
                dismiss();
            })
            .build();
}
 

private void serRecyclerView() {
    RecyclerView recyclerView = findViewById(R.id.recyclerView);
    recyclerView.setLayoutManager(new SliderLayoutManager(this));

    ArrayList<VideoItem> list = getVideoItemsList();

    mAdapter = new RecyclerViewAdapter(list, mToolbar);
    getLifecycle().addObserver(mAdapter);
    recyclerView.setAdapter(mAdapter);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_demo_anim_ptr);

    mPtrFrame = (PtrAnimFrameLayout) findViewById(R.id.ptr_frame);
    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycle_view);

    //TODO TEST DATA
    Items allList = new Items();
    for (int i = 0; i < 20; i++) {
        News news = new News();
        news.setImgPath("http://img.d9soft.com/2016/0412/20160412032431842.png");
        news.setTitle("新闻标题" + i);
        news.setDesc("新闻描述" + i);
        allList.add(news);
    }

    mAdapter = new MultiTypeAdapter(allList);
    mAdapter.register(News.class, new NewsViewBinder());
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    recyclerView.setAdapter(mAdapter);

    mPtrFrame.postDelayed(new Runnable() {
        @Override
        public void run() {
            mPtrFrame.autoRefresh();
        }
    }, 1000);

    mPtrFrame.setPtrHandler(new PtrDefaultHandler() {
        @Override
        public void onRefreshBegin(PtrFrameLayout frame) {
            ToastUtils.showShort("刷新了");

            Observable.timer(1, TimeUnit.SECONDS)
                    .subscribeOn(Schedulers.newThread())
                    .observeOn(AndroidSchedulers.mainThread())
                    .subscribe(new Consumer<Long>() {
                        @Override
                        public void accept(Long aLong) {
                            mPtrFrame.refreshComplete();
                        }
                    });
        }
    });


}
 

private void setup() {
    // Setup views fields
    final TextView noteTextTitle = UI.find(this, R.id.sendMemoTitle);
    final TextView noteText = UI.find(this, R.id.noteText);
    final TextView addressText = UI.find(this, R.id.addressText);

    final JsonNode address = mTxJson.withArray("addressees").get(0);
    final String currentRecipient = address.get("address").asText();
    final boolean isSweeping = mTxJson.get("is_sweep").asBoolean();
    final Integer subaccount = mTxJson.get("subaccount").asInt();
    UI.hideIf(isSweeping, noteTextTitle);
    UI.hideIf(isSweeping, noteText);

    addressText.setText(currentRecipient);
    noteText.setText(mTxJson.get("memo") == null ? "" : mTxJson.get("memo").asText());
    CharInputFilter.setIfNecessary(noteText);

    // Set currency & amount
    final long amount = mTxJson.get("satoshi").asLong();
    final long fee = mTxJson.get("fee").asLong();
    final TextView sendAmount = UI.find(this, R.id.sendAmount);
    final TextView sendFee = UI.find(this, R.id.sendFee);
    final JsonNode assetTag = address.get("asset_tag");
    if (getSession().getNetworkData().getLiquid()) {
        sendAmount.setVisibility(View.GONE);
        UI.find(this, R.id.amountWordSending).setVisibility(View.GONE);
        final String asset = assetTag.asText();
        final Map<String, Long> balances = new HashMap<>();
        balances.put(asset, address.get("satoshi").asLong());
        final RecyclerView assetsList = findViewById(R.id.assetsList);
        assetsList.setLayoutManager(new LinearLayoutManager(this));
        final AssetsAdapter adapter = new AssetsAdapter(balances, getNetwork(), null);
        assetsList.setAdapter(adapter);
        assetsList.setVisibility(View.VISIBLE);
    } else {
        sendAmount.setText(getFormatAmount(amount));
    }
    sendFee.setText(getFormatAmount(fee));

    if (mHwData != null && mTxJson.has("transaction_outputs")) {
        UI.show(UI.find(this, R.id.changeLayout));
        final TextView view = UI.find(this, R.id.changeAddressText);
        final Collection<String> changesList = new ArrayList<>();
        for (final JsonNode output : mTxJson.get("transaction_outputs")) {
            if (output.get("is_change").asBoolean() && !output.get("is_fee").asBoolean() && output.has("address")) {
                changesList.add("- " + output.get("address").asText());
            }
        }
        view.setText(TextUtils.join("\n", changesList));
    }

    mSwipeButton.setOnActiveListener(this);
}
 

private void setupListAdapter() {
    RecyclerView recyclerView = getActivity().findViewById(R.id.rv_movie_list);
    final DiscoverMoviesAdapter discoverMoviesAdapter =
            new DiscoverMoviesAdapter(viewModel);
    final GridLayoutManager layoutManager =
            new GridLayoutManager(getActivity(), getResources().getInteger(R.integer.span_count));

    // draw network status and errors messages to fit the whole row(3 spans)
    layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
        @Override
        public int getSpanSize(int position) {
            switch (discoverMoviesAdapter.getItemViewType(position)) {
                case R.layout.item_network_state:
                    return layoutManager.getSpanCount();
                default:
                    return 1;
            }
        }
    });

    // setup recyclerView
    recyclerView.setAdapter(discoverMoviesAdapter);
    recyclerView.setLayoutManager(layoutManager);
    ItemOffsetDecoration itemDecoration = new ItemOffsetDecoration(getActivity(), R.dimen.item_offset);
    recyclerView.addItemDecoration(itemDecoration);

    // observe paged list
    viewModel.getPagedList().observe(getViewLifecycleOwner(), new Observer<PagedList<Movie>>() {
        @Override
        public void onChanged(PagedList<Movie> movies) {
            discoverMoviesAdapter.submitList(movies);
        }
    });

    // observe network state
    viewModel.getNetworkState().observe(getViewLifecycleOwner(), new Observer<Resource>() {
        @Override
        public void onChanged(Resource resource) {
            discoverMoviesAdapter.setNetworkState(resource);
        }
    });
}