Examples with LinearLayoutManager androidx.recyclerview.widget.LinearLayoutManager used on opensource projects

Example 56 with LinearLayoutManager

use of androidx.recyclerview.widget.LinearLayoutManager in project SwipeRecyclerView by yanzhenjie.

the class ListActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_scroll);
    Toolbar toolbar = findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    ActionBar actionBar = getSupportActionBar();
    assert actionBar != null;
    actionBar.setDisplayHomeAsUpEnabled(true);
    mRecyclerView = findViewById(R.id.recycler_view);
    mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
    mRecyclerView.addItemDecoration(new DefaultItemDecoration(ContextCompat.getColor(this, R.color.divider_color)));
    mRecyclerView.setOnItemClickListener(new OnItemClickListener() {

        @Override
        public void onItemClick(View itemView, int position) {
            // 根据原position判断该item是否是parent item
            if (mAdapter.isParentItem(position)) {
                // 换取parent position
                final int parentPosition = mAdapter.parentItemPosition(position);
                // 判断parent是否打开了二级菜单
                if (mAdapter.isExpanded(parentPosition)) {
                    mDataList.get(parentPosition).setExpanded(false);
                    mAdapter.notifyParentChanged(parentPosition);
                    // 关闭该parent下的二级菜单
                    mAdapter.collapseParent(parentPosition);
                } else {
                    mDataList.get(parentPosition).setExpanded(true);
                    mAdapter.notifyParentChanged(parentPosition);
                    // 打开该parent下的二级菜单
                    mAdapter.expandParent(parentPosition);
                }
            } else {
                // 换取parent position
                int parentPosition = mAdapter.parentItemPosition(position);
                // 换取child position
                int childPosition = mAdapter.childItemPosition(position);
                String message = String.format("我是%1$d爸爸的%2$d儿子", parentPosition, childPosition);
                Toast.makeText(ListActivity.this, message, Toast.LENGTH_LONG).show();
            }
        }
    });
    mAdapter = new ExpandedAdapter(this);
    mRecyclerView.setAdapter(mAdapter);
    refresh();
}

Example 57 with LinearLayoutManager

use of androidx.recyclerview.widget.LinearLayoutManager in project epoxy by airbnb.

the class Carousel method setInitialPrefetchItemCount.

/**
 * If you are using a Linear or Grid layout manager you can use this to set the item prefetch
 * count. Only use this if you are not using {@link #setNumViewsToShowOnScreen(float)}
 *
 * @see #setNumViewsToShowOnScreen(float)
 * @see LinearLayoutManager#setInitialPrefetchItemCount(int)
 */
@ModelProp(group = "prefetch")
public void setInitialPrefetchItemCount(int numItemsToPrefetch) {
    if (numItemsToPrefetch < 0) {
        throw new IllegalStateException("numItemsToPrefetch must be greater than 0");
    }
    // Use the linearlayoutmanager default of 2 if the user did not specify one
    int prefetchCount = numItemsToPrefetch == 0 ? 2 : numItemsToPrefetch;
    LayoutManager layoutManager = getLayoutManager();
    if (layoutManager instanceof LinearLayoutManager) {
        ((LinearLayoutManager) layoutManager).setInitialPrefetchItemCount(prefetchCount);
    }
}

Example 58 with LinearLayoutManager

use of androidx.recyclerview.widget.LinearLayoutManager in project xabber-android by redsolution.

the class ServerInfoActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_server_info);
    final Intent intent = getIntent();
    AccountJid account = getAccount(intent);
    if (account == null) {
        finish();
        return;
    }
    accountItem = AccountManager.getInstance().getAccount(account);
    if (accountItem == null) {
        Application.getInstance().onError(R.string.NO_SUCH_ACCOUNT);
        finish();
        return;
    }
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_default);
    toolbar.setNavigationIcon(R.drawable.ic_arrow_left_white_24dp);
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            finish();
        }
    });
    toolbar.setTitle(accountItem.getConnection().getXMPPServiceDomain());
    BarPainter barPainter = new BarPainter(this, toolbar);
    barPainter.updateWithAccountName(account);
    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.server_info_recycler_view);
    serverInfoAdapter = new ServerInfoAdapter();
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    recyclerView.setAdapter(serverInfoAdapter);
    progressBar = findViewById(R.id.server_info_progress_bar);
    requestServerInfo();
}

Example 59 with LinearLayoutManager

use of androidx.recyclerview.widget.LinearLayoutManager in project xabber-android by redsolution.

the class MessageVH method setupForwarded.

protected void setupForwarded(MessageItem messageItem, MessagesAdapter.MessageExtraData extraData) {
    String[] forwardedIDs = messageItem.getForwardedIdsAsArray();
    if (!Arrays.asList(forwardedIDs).contains(null)) {
        RealmResults<MessageItem> forwardedMessages = MessageDatabaseManager.getInstance().getRealmUiThread().where(MessageItem.class).in(MessageItem.Fields.UNIQUE_ID, forwardedIDs).findAllSorted(MessageItem.Fields.TIMESTAMP, Sort.ASCENDING);
        if (forwardedMessages.size() > 0) {
            RecyclerView recyclerView = forwardLayout.findViewById(R.id.recyclerView);
            ForwardedAdapter adapter = new ForwardedAdapter(forwardedMessages, extraData);
            recyclerView.setLayoutManager(new LinearLayoutManager(extraData.getContext()));
            recyclerView.setAdapter(adapter);
            forwardLayout.setBackgroundColor(ColorManager.getColorWithAlpha(R.color.forwarded_background_color, 0.2f));
            forwardLeftBorder.setBackgroundColor(extraData.getAccountMainColor());
            forwardLayout.setVisibility(View.VISIBLE);
        }
    }
}

Example 60 with LinearLayoutManager

use of androidx.recyclerview.widget.LinearLayoutManager in project xabber-android by redsolution.

the class FileMessageVH method setUpFile.

private void setUpFile(RealmList<Attachment> attachments, Context context) {
    RealmList<Attachment> fileAttachments = new RealmList<>();
    for (Attachment attachment : attachments) {
        if (!attachment.isImage())
            fileAttachments.add(attachment);
    }
    if (fileAttachments.size() > 0) {
        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(context);
        rvFileList.setLayoutManager(layoutManager);
        FilesAdapter adapter = new FilesAdapter(fileAttachments, this);
        rvFileList.setAdapter(adapter);
        fileLayout.setVisibility(View.VISIBLE);
    }
}