Examples with LayoutManager android.support.v7.widget.RecyclerView.LayoutManager used on opensource projects

Example 56 with LayoutManager

use of android.support.v7.widget.RecyclerView.LayoutManager in project glide by bumptech.

the class RecyclerToListViewScrollListener method onScrolled.

@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
    LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();
    int firstVisible = layoutManager.findFirstVisibleItemPosition();
    int visibleCount = Math.abs(firstVisible - layoutManager.findLastVisibleItemPosition());
    int itemCount = recyclerView.getAdapter().getItemCount();
    if (firstVisible != lastFirstVisible || visibleCount != lastVisibleCount || itemCount != lastItemCount) {
        scrollListener.onScroll(null, firstVisible, visibleCount, itemCount);
        lastFirstVisible = firstVisible;
        lastVisibleCount = visibleCount;
        lastItemCount = itemCount;
    }
}

Example 57 with LayoutManager

use of android.support.v7.widget.RecyclerView.LayoutManager in project plaid by nickbutcher.

the class DesignerNewsStory method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_designer_news_story);
    ButterKnife.bind(this);
    story = getIntent().getParcelableExtra(EXTRA_STORY);
    fab.setOnClickListener(fabClick);
    chromeFader = new ElasticDragDismissFrameLayout.SystemChromeFader(this);
    markdown = new Bypass(this, new Bypass.Options().setBlockQuoteLineColor(ContextCompat.getColor(this, R.color.designer_news_quote_line)).setBlockQuoteLineWidth(// dps
    2).setBlockQuoteLineIndent(// dps
    8).setPreImageLinebreakHeight(//dps
    4).setBlockQuoteIndentSize(TypedValue.COMPLEX_UNIT_DIP, 2f).setBlockQuoteTextColor(ContextCompat.getColor(this, R.color.designer_news_quote)));
    circleTransform = new CircleTransform(this);
    designerNewsPrefs = DesignerNewsPrefs.get(this);
    layoutManager = new LinearLayoutManager(this);
    commentsList.setLayoutManager(layoutManager);
    commentsList.setItemAnimator(new CommentAnimator(getResources().getInteger(R.integer.comment_expand_collapse_duration)));
    header = getLayoutInflater().inflate(R.layout.designer_news_story_description, commentsList, false);
    bindDescription();
    // setup title/toolbar
    if (collapsingToolbar != null) {
        // narrow device: collapsing toolbar
        collapsingToolbar.addOnLayoutChangeListener(titlebarLayout);
        collapsingToolbar.setTitle(story.title);
        final Toolbar toolbar = (Toolbar) findViewById(R.id.story_toolbar);
        toolbar.setNavigationOnClickListener(backClick);
        commentsList.addOnScrollListener(headerScrollListener);
        setEnterSharedElementCallback(new SharedElementCallback() {

            @Override
            public void onSharedElementStart(List<String> sharedElementNames, List<View> sharedElements, List<View> sharedElementSnapshots) {
                ReflowText.setupReflow(getIntent(), collapsingToolbar);
            }

            @Override
            public void onSharedElementEnd(List<String> sharedElementNames, List<View> sharedElements, List<View> sharedElementSnapshots) {
                ReflowText.setupReflow(collapsingToolbar);
            }
        });
    } else {
        // w600dp configuration: content card scrolls over title bar
        final TextView title = (TextView) findViewById(R.id.story_title);
        title.setText(story.title);
        findViewById(R.id.back).setOnClickListener(backClick);
    }
    final View enterCommentView = setupCommentField();
    if (story.comment_count > 0) {
        // flatten the comments from a nested structure {@see Comment#comments} to a
        // list appropriate for our adapter (using the depth attribute).
        List<Comment> flattened = new ArrayList<>(story.comment_count);
        unnestComments(story.comments, flattened);
        commentsAdapter = new DesignerNewsCommentsAdapter(header, flattened, enterCommentView);
        commentsList.setAdapter(commentsAdapter);
    } else {
        commentsAdapter = new DesignerNewsCommentsAdapter(header, new ArrayList<Comment>(0), enterCommentView);
        commentsList.setAdapter(commentsAdapter);
    }
    customTab = new CustomTabActivityHelper();
    customTab.setConnectionCallback(customTabConnect);
}

Example 58 with LayoutManager

use of android.support.v7.widget.RecyclerView.LayoutManager in project ListenerMusicPlayer by hefuyicoder.

the class PlaylistFragment method onCreate.

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    injectDependences();
    mPresenter.attachView(this);
    mPreferences = PreferencesUtility.getInstance(getActivity());
    isGrid = mPreferences.getPlaylistView() == Constants.PLAYLIST_VIEW_GRID;
    mAdapter = new PlaylistAdapter(this, null);
    if (isGrid) {
        layoutManager = new GridLayoutManager(getActivity(), 2);
    } else {
        layoutManager = new GridLayoutManager(getActivity(), 1);
    }
}

Example 59 with LayoutManager

use of android.support.v7.widget.RecyclerView.LayoutManager in project TwinklingRefreshLayout by lcodecorex.

the class ScrollingUtil method isRecyclerViewToTop.

public static boolean isRecyclerViewToTop(RecyclerView recyclerView) {
    if (recyclerView != null) {
        RecyclerView.LayoutManager manager = recyclerView.getLayoutManager();
        if (manager == null) {
            return true;
        }
        if (manager.getItemCount() == 0) {
            return true;
        }
        if (manager instanceof LinearLayoutManager) {
            LinearLayoutManager layoutManager = (LinearLayoutManager) manager;
            int firstChildTop = 0;
            if (recyclerView.getChildCount() > 0) {
                // 处理item高度超过一屏幕时的情况
                View firstVisibleChild = recyclerView.getChildAt(0);
                if (firstVisibleChild != null && firstVisibleChild.getMeasuredHeight() >= recyclerView.getMeasuredHeight()) {
                    if (android.os.Build.VERSION.SDK_INT < 14) {
                        return !(ViewCompat.canScrollVertically(recyclerView, -1) || recyclerView.getScrollY() > 0);
                    } else {
                        return !ViewCompat.canScrollVertically(recyclerView, -1);
                    }
                }
                // 如果RecyclerView的子控件数量不为0，获取第一个子控件的top
                // 解决item的topMargin不为0时不能触发下拉刷新
                View firstChild = recyclerView.getChildAt(0);
                RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) firstChild.getLayoutParams();
                firstChildTop = firstChild.getTop() - layoutParams.topMargin - getRecyclerViewItemTopInset(layoutParams) - recyclerView.getPaddingTop();
            }
            if (layoutManager.findFirstCompletelyVisibleItemPosition() < 1 && firstChildTop == 0) {
                return true;
            }
        } else if (manager instanceof StaggeredGridLayoutManager) {
            StaggeredGridLayoutManager layoutManager = (StaggeredGridLayoutManager) manager;
            int[] out = layoutManager.findFirstCompletelyVisibleItemPositions(null);
            if (out[0] < 1) {
                return true;
            }
        }
    }
    return false;
}

Example 60 with LayoutManager

use of android.support.v7.widget.RecyclerView.LayoutManager in project xabber-android by redsolution.

the class ChatViewerFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    super.onCreateView(inflater, container, savedInstanceState);
    View view = inflater.inflate(R.layout.chat_viewer_fragment, container, false);
    contactTitleView = view.findViewById(R.id.contact_title);
    abstractContact = RosterManager.getInstance().getBestContact(account, user);
    contactTitleView.findViewById(R.id.avatar).setOnClickListener(this);
    toolbar = (Toolbar) view.findViewById(R.id.toolbar_default);
    toolbar.inflateMenu(R.menu.chat);
    toolbar.setOnMenuItemClickListener(this);
    toolbar.setNavigationIcon(R.drawable.ic_arrow_left_white_24dp);
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            NavUtils.navigateUpFromSameTask(getActivity());
        }
    });
    setHasOptionsMenu(true);
    sendButton = (ImageButton) view.findViewById(R.id.button_send_message);
    sendButton.setColorFilter(ColorManager.getInstance().getAccountPainter().getGreyMain());
    AbstractChat abstractChat = MessageManager.getInstance().getChat(account, user);
    securityButton = (ImageButton) view.findViewById(R.id.button_security);
    if (abstractChat instanceof RegularChat) {
        securityButton.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                showSecurityMenu();
            }
        });
    } else {
        securityButton.setVisibility(View.GONE);
    }
    chatMessageAdapter = new ChatMessageAdapter(getActivity(), account, user, this, this);
    recyclerView = (RecyclerView) view.findViewById(R.id.chat_messages_recycler_view);
    recyclerView.setAdapter(chatMessageAdapter);
    layoutManager = new LinearLayoutManager(getActivity());
    layoutManager.setStackFromEnd(true);
    recyclerView.setLayoutManager(layoutManager);
    // to avoid strange bug on some 4.x androids
    view.findViewById(R.id.input_layout).setBackgroundColor(ColorManager.getInstance().getChatInputBackgroundColor());
    inputView = (EditText) view.findViewById(R.id.chat_input);
    view.findViewById(R.id.button_send_message).setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            sendMessage();
        }
    });
    inputView.setOnKeyListener(new View.OnKeyListener() {

        @Override
        public boolean onKey(View view, int keyCode, KeyEvent event) {
            if (SettingsManager.chatsSendByEnter() && event.getAction() == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER) {
                sendMessage();
                return true;
            }
            return false;
        }
    });
    inputView.addTextChangedListener(new TextWatcher() {

        @Override
        public void onTextChanged(CharSequence s, int start, int before, int count) {
            if (!skipOnTextChanges && stopTypingTimer != null) {
                stopTypingTimer.cancel();
            }
        }

        @Override
        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
        }

        @Override
        public void afterTextChanged(Editable text) {
            setUpInputViewButtons();
            if (skipOnTextChanges) {
                return;
            }
            ChatStateManager.getInstance().onComposing(account, user, text);
            stopTypingTimer = new Timer();
            stopTypingTimer.schedule(new TimerTask() {

                @Override
                public void run() {
                    Application.getInstance().runOnUiThread(new Runnable() {

                        @Override
                        public void run() {
                            ChatStateManager.getInstance().onPaused(account, user);
                        }
                    });
                }
            }, STOP_TYPING_DELAY);
        }
    });
    final ImageButton emojiButton = (ImageButton) view.findViewById(R.id.button_emoticon);
    final View rootView = view.findViewById(R.id.root_view);
    // Give the topmost view of your activity layout hierarchy. This will be used to measure soft keyboard height
    final EmojiconsPopup popup = new EmojiconsPopup(rootView, getActivity());
    //Will automatically set size according to the soft keyboard size
    popup.setSizeForSoftKeyboard();
    //If the emoji popup is dismissed, change emojiButton to smiley icon
    popup.setOnDismissListener(new PopupWindow.OnDismissListener() {

        @Override
        public void onDismiss() {
            changeEmojiKeyboardIcon(emojiButton, R.drawable.ic_mood_black_24dp);
        }
    });
    //If the text keyboard closes, also dismiss the emoji popup
    popup.setOnSoftKeyboardOpenCloseListener(new EmojiconsPopup.OnSoftKeyboardOpenCloseListener() {

        @Override
        public void onKeyboardOpen(int keyBoardHeight) {
        }

        @Override
        public void onKeyboardClose() {
            if (popup.isShowing())
                popup.dismiss();
        }
    });
    //On emoji clicked, add it to edittext
    popup.setOnEmojiconClickedListener(new EmojiconGridView.OnEmojiconClickedListener() {

        @Override
        public void onEmojiconClicked(Emojicon emojicon) {
            if (inputView == null || emojicon == null) {
                return;
            }
            int start = inputView.getSelectionStart();
            int end = inputView.getSelectionEnd();
            if (start < 0) {
                inputView.append(emojicon.getEmoji());
            } else {
                inputView.getText().replace(Math.min(start, end), Math.max(start, end), emojicon.getEmoji(), 0, emojicon.getEmoji().length());
            }
        }
    });
    //On backspace clicked, emulate the KEYCODE_DEL key event
    popup.setOnEmojiconBackspaceClickedListener(new EmojiconsPopup.OnEmojiconBackspaceClickedListener() {

        @Override
        public void onEmojiconBackspaceClicked(View v) {
            KeyEvent event = new KeyEvent(0, 0, 0, KeyEvent.KEYCODE_DEL, 0, 0, 0, 0, KeyEvent.KEYCODE_ENDCALL);
            inputView.dispatchKeyEvent(event);
        }
    });
    // To toggle between text keyboard and emoji keyboard keyboard(Popup)
    emojiButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            //If popup is not showing => emoji keyboard is not visible, we need to show it
            if (!popup.isShowing()) {
                //If keyboard is visible, simply show the emoji popup
                if (popup.isKeyBoardOpen()) {
                    popup.showAtBottom();
                    changeEmojiKeyboardIcon(emojiButton, R.drawable.ic_keyboard_black_24dp);
                } else //else, open the text keyboard first and immediately after that show the emoji popup
                {
                    inputView.setFocusableInTouchMode(true);
                    inputView.requestFocus();
                    popup.showAtBottomPending();
                    final InputMethodManager inputMethodManager = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
                    inputMethodManager.showSoftInput(inputView, InputMethodManager.SHOW_IMPLICIT);
                    changeEmojiKeyboardIcon(emojiButton, R.drawable.ic_keyboard_black_24dp);
                }
            } else //If popup is showing, simply dismiss it to show the undelying text keyboard
            {
                popup.dismiss();
            }
        }
    });
    attachButton = (ImageButton) view.findViewById(R.id.button_attach);
    attachButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            onAttachButtonPressed();
        }
    });
    return view;
}