com.github.ksoichiro.android.observablescrollview.ObservableScrollView Java Examples

The following examples show how to use com.github.ksoichiro.android.observablescrollview.ObservableScrollView. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: UserDataActivity.java From Conquer with Apache License 2.0

6 votes

private void bindViews() {
    scrollView = (ObservableScrollView) findViewById(R.id.sv);
    title_bg = findViewById(R.id.title_bg);
    iv_photo = (CircularImageView) findViewById(R.id.iv_photo);
    material_menu = (MaterialMenuView) findViewById(R.id.material_menu);
    tv_nickname = (TextView) findViewById(R.id.tv_nickname);
    iv_gender = (ImageView) findViewById(R.id.iv_gender);
    iv_home_bg = (ImageView) findViewById(R.id.iv_home_bg);
    album = findViewById(R.id.album);
    data = findViewById(R.id.data);
    tv_id = (TextView) findViewById(R.id.tv_id);
    et_city = (TextView) findViewById(R.id.et_city);
    et_phone = (TextView) findViewById(R.id.et_phone);
    topView = findViewById(R.id.topView);
    iv_camera = findViewById(R.id.iv_camera);
    ll_album = (ViewGroup) findViewById(R.id.ll_album);
    ll_label = (ViewGroup) findViewById(R.id.ll_label);
    bt_eidt = findViewById(R.id.bt_eidt);
    add = View.inflate(context, R.layout.item_album, null);
    add_pic = (ImageView) add.findViewById(R.id.iv_pic);
}

Example #2

Source File: StickyHeaderWebViewActivity.java From Android-ObservableScrollView with Apache License 2.0

6 votes

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

    setSupportActionBar((Toolbar) findViewById(R.id.toolbar));

    mHeaderView = findViewById(R.id.header);
    ViewCompat.setElevation(mHeaderView, getResources().getDimension(R.dimen.toolbar_elevation));
    mToolbarView = findViewById(R.id.toolbar);

    mScrollView = (ObservableScrollView) findViewById(R.id.scroll);
    mScrollView.setScrollViewCallbacks(mScrollViewScrollCallbacks);

    ObservableWebView mWebView = (ObservableWebView) findViewById(R.id.web);
    mWebView.setScrollViewCallbacks(mWebViewScrollCallbacks);
    mWebView.loadUrl("file:///android_asset/lipsum.html");
}

Example #3

Source File: ViewPagerTabScrollViewFragment.java From Android-ObservableScrollView with Apache License 2.0

6 votes

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

    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    Activity parentActivity = getActivity();
    if (parentActivity instanceof ObservableScrollViewCallbacks) {
        // Scroll to the specified offset after layout
        Bundle args = getArguments();
        if (args != null && args.containsKey(ARG_SCROLL_Y)) {
            final int scrollY = args.getInt(ARG_SCROLL_Y, 0);
            ScrollUtils.addOnGlobalLayoutListener(scrollView, new Runnable() {
                @Override
                public void run() {
                    scrollView.scrollTo(0, scrollY);
                }
            });
        }
        scrollView.setScrollViewCallbacks((ObservableScrollViewCallbacks) parentActivity);
    }
    return view;
}

Example #4

Source File: ViewPagerTabActivity.java From UltimateAndroid with Apache License 2.0

6 votes

private void propagateToolbarStateForScrollView(boolean isShown, View view, int toolbarHeight) {
    ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    if (scrollView == null) {
        return;
    }
    if (isShown) {
        // Scroll up
        if (0 < scrollView.getCurrentScrollY()) {
            scrollView.scrollTo(0, 0);
        }
    } else {
        // Scroll down (to hide padding)
        if (scrollView.getCurrentScrollY() < toolbarHeight) {
            scrollView.scrollTo(0, toolbarHeight);
        }
    }
}

Example #5

Source File: HollyViewPagerAnimator.java From HollyViewPager with Apache License 2.0

6 votes

public void registerScrollView(final ObservableScrollView scrollView) {
    scrolls.add(scrollView);

    if (scrollView.getParent() != null && scrollView.getParent().getParent() != null && scrollView.getParent().getParent() instanceof ViewGroup)
        scrollView.setTouchInterceptionViewGroup((ViewGroup) scrollView.getParent().getParent());

    scrollView.setScrollViewCallbacks(new ObservableScrollViewCallbacks() {
        @Override
        public void onScrollChanged(int i, boolean b, boolean b1) {
            onScroll(scrollView, i);
        }

        @Override
        public void onDownMotionEvent() {

        }

        @Override
        public void onUpOrCancelMotionEvent(ScrollState scrollState) {

        }
    });
}

Example #6

Source File: ViewPagerTabActivity.java From UltimateAndroid with Apache License 2.0

6 votes

private void adjustToolbarForScrollViews(ScrollState scrollState, View view) {
    int toolbarHeight = mToolbarView.getHeight();
    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    if (scrollView == null) {
        return;
    }
    if (scrollState == ScrollState.UP) {
        if (toolbarHeight < scrollView.getCurrentScrollY()) {
            hideToolbar();
        } else if (scrollView.getCurrentScrollY() < toolbarHeight) {
            showToolbar();
        }
    } else if (scrollState == ScrollState.DOWN) {
        if (toolbarHeight < scrollView.getCurrentScrollY()) {
            showToolbar();
        }
    }
}

Example #7

Source File: DetailsActivity.java From Material-Design-Example with Apache License 2.0

6 votes

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

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);


    mImageView = findViewById(R.id.image);
    mToolbarView = findViewById(R.id.toolbar);
    mToolbarView.setBackgroundColor(ScrollUtils.getColorWithAlpha(0, getResources().getColor(R.color.theme_dialer_primary)));

    mScrollView = (ObservableScrollView) findViewById(R.id.scroll);
    mScrollView.setScrollViewCallbacks(this);

    mParallaxImageHeight = getResources().getDimensionPixelSize(R.dimen.drawer_menu_width);
}

Example #8

Source File: ParallaxToolbarScrollViewActivity.java From Android-ObservableScrollView with Apache License 2.0

6 votes

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

    setSupportActionBar((Toolbar) findViewById(R.id.toolbar));

    mImageView = findViewById(R.id.image);
    mToolbarView = findViewById(R.id.toolbar);
    mToolbarView.setBackgroundColor(ScrollUtils.getColorWithAlpha(0, getResources().getColor(R.color.primary)));

    mScrollView = (ObservableScrollView) findViewById(R.id.scroll);
    mScrollView.setScrollViewCallbacks(this);

    mParallaxImageHeight = getResources().getDimensionPixelSize(R.dimen.parallax_image_height);
}

Example #9

Source File: HandleTouchScrollViewActivity.java From Android-ObservableScrollView with Apache License 2.0

6 votes

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

    ObservableScrollView scrollView = (ObservableScrollView) findViewById(R.id.scroll);
    scrollView.setScrollViewCallbacks(this);

    int[] ids = new int[]{R.id.button1, R.id.button2, R.id.button3};
    for (int i = 0; i < ids.length; i++) {
        final int number = i + 1;
        findViewById(ids[i]).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                click(number);
            }
        });
    }
}

Example #10

Source File: ToolbarControlWebViewActivity.java From UltimateAndroid with Apache License 2.0

6 votes

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

    setSupportActionBar((Toolbar) findViewById(R.id.toolbar));

    mHeaderView = findViewById(R.id.header);
    ViewCompat.setElevation(mHeaderView, getResources().getDimension(R.dimen.toolbar_elevation));
    mToolbarView = findViewById(R.id.toolbar);

    mScrollView = (ObservableScrollView) findViewById(R.id.scroll);
    mScrollView.setScrollViewCallbacks(mScrollViewScrollCallbacks);

    ObservableWebView mWebView = (ObservableWebView) findViewById(R.id.web);
    mWebView.setScrollViewCallbacks(mWebViewScrollCallbacks);
    mWebView.loadUrl("file:///android_asset/lipsum.html");
}

Example #11

Source File: ParallaxToolbarScrollViewActivity.java From UltimateAndroid with Apache License 2.0

6 votes

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

    setSupportActionBar((Toolbar) findViewById(R.id.toolbar));

    mImageView = findViewById(R.id.image);
    mToolbarView = findViewById(R.id.toolbar);
    setBackgroundAlpha(mToolbarView, 0, getResources().getColor(R.color.primary));

    ObservableScrollView scrollView = (ObservableScrollView) findViewById(R.id.scroll);
    scrollView.setScrollViewCallbacks(this);

    mParallaxImageHeight = getResources().getDimensionPixelSize(R.dimen.parallax_image_height);
}

Example #12

Source File: ViewPagerTabScrollViewActivity.java From Android-ObservableScrollView with Apache License 2.0

5 votes

private void propagateToolbarState(boolean isShown) {
    int toolbarHeight = mToolbarView.getHeight();

    // Set scrollY for the fragments that are not created yet
    mPagerAdapter.setScrollY(isShown ? 0 : toolbarHeight);

    // Set scrollY for the active fragments
    for (int i = 0; i < mPagerAdapter.getCount(); i++) {
        // Skip current item
        if (i == mPager.getCurrentItem()) {
            continue;
        }

        // Skip destroyed or not created item
        Fragment f = mPagerAdapter.getItemAt(i);
        if (f == null) {
            continue;
        }

        View view = f.getView();
        if (view == null) {
            continue;
        }
        ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
        if (isShown) {
            // Scroll up
            if (0 < scrollView.getCurrentScrollY()) {
                scrollView.scrollTo(0, 0);
            }
        } else {
            // Scroll down (to hide padding)
            if (scrollView.getCurrentScrollY() < toolbarHeight) {
                scrollView.scrollTo(0, toolbarHeight);
            }
        }
    }
}

Example #13

Source File: FlexibleSpaceWithImageScrollViewFragment.java From Android-ObservableScrollView with Apache License 2.0

5 votes

@Override
protected void updateFlexibleSpace(int scrollY, View view) {
    ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);

    // Also pass this event to parent Activity
    FlexibleSpaceWithImageWithViewPagerTabActivity parentActivity =
            (FlexibleSpaceWithImageWithViewPagerTabActivity) getActivity();
    if (parentActivity != null) {
        parentActivity.onScrollChanged(scrollY, scrollView);
    }
}

Example #14

Source File: ViewPagerTabScrollViewActivity.java From Android-ObservableScrollView with Apache License 2.0

5 votes

@Override
public void onUpOrCancelMotionEvent(ScrollState scrollState) {
    mBaseTranslationY = 0;

    Fragment fragment = getCurrentFragment();
    if (fragment == null) {
        return;
    }
    View view = fragment.getView();
    if (view == null) {
        return;
    }

    int toolbarHeight = mToolbarView.getHeight();
    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    if (scrollView == null) {
        return;
    }
    int scrollY = scrollView.getCurrentScrollY();
    if (scrollState == ScrollState.DOWN) {
        showToolbar();
    } else if (scrollState == ScrollState.UP) {
        if (toolbarHeight <= scrollY) {
            hideToolbar();
        } else {
            showToolbar();
        }
    } else {
        // Even if onScrollChanged occurs without scrollY changing, toolbar should be adjusted
        if (toolbarIsShown() || toolbarIsHidden()) {
            // Toolbar is completely moved, so just keep its state
            // and propagate it to other pages
            propagateToolbarState(toolbarIsShown());
        } else {
            // Toolbar is moving but doesn't know which to move:
            // you can change this to hideToolbar()
            showToolbar();
        }
    }
}

Example #15

Source File: ViewPagerTabScrollViewFragment.java From Android-ObservableScrollView with Apache License 2.0

5 votes

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

    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    Activity parentActivity = getActivity();
    if (parentActivity instanceof ObservableScrollViewCallbacks) {
        // Scroll to the specified offset after layout
        Bundle args = getArguments();
        if (args != null && args.containsKey(ARG_SCROLL_Y)) {
            final int scrollY = args.getInt(ARG_SCROLL_Y, 0);
            ScrollUtils.addOnGlobalLayoutListener(scrollView, new Runnable() {
                @Override
                public void run() {
                    scrollView.scrollTo(0, scrollY);
                }
            });
        }

        // TouchInterceptionViewGroup should be a parent view other than ViewPager.
        // This is a workaround for the issue #117:
        // https://github.com/ksoichiro/Android-ObservableScrollView/issues/117
        scrollView.setTouchInterceptionViewGroup((ViewGroup) parentActivity.findViewById(R.id.root));

        scrollView.setScrollViewCallbacks((ObservableScrollViewCallbacks) parentActivity);
    }
    return view;
}

Example #16

Source File: StickyHeaderScrollViewActivity.java From Android-ObservableScrollView with Apache License 2.0

5 votes

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

    setSupportActionBar((Toolbar) findViewById(R.id.toolbar));

    mHeaderView = findViewById(R.id.header);
    ViewCompat.setElevation(mHeaderView, getResources().getDimension(R.dimen.toolbar_elevation));
    mToolbarView = findViewById(R.id.toolbar);

    mScrollView = (ObservableScrollView) findViewById(R.id.scroll);
    mScrollView.setScrollViewCallbacks(this);
}

Example #17

Source File: ViewPagerTab2ScrollViewFragment.java From Android-ObservableScrollView with Apache License 2.0

5 votes

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

    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    Activity parentActivity = getActivity();
    scrollView.setTouchInterceptionViewGroup((ViewGroup) parentActivity.findViewById(R.id.container));
    if (parentActivity instanceof ObservableScrollViewCallbacks) {
        scrollView.setScrollViewCallbacks((ObservableScrollViewCallbacks) parentActivity);
    }
    return view;
}

Example #18

Source File: ViewPagerTabFragmentScrollViewFragment.java From Android-ObservableScrollView with Apache License 2.0

5 votes

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

    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    Fragment parentFragment = getParentFragment();
    ViewGroup viewGroup = (ViewGroup) parentFragment.getView();
    if (viewGroup != null) {
        scrollView.setTouchInterceptionViewGroup((ViewGroup) viewGroup.findViewById(R.id.container));
        if (parentFragment instanceof ObservableScrollViewCallbacks) {
            scrollView.setScrollViewCallbacks((ObservableScrollViewCallbacks) parentFragment);
        }
    }
    return view;
}

Example #19

Source File: FlexibleSpaceToolbarScrollViewActivity.java From Android-ObservableScrollView with Apache License 2.0

5 votes

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

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

    mFlexibleSpaceView = findViewById(R.id.flexible_space);
    mTitleView = (TextView) findViewById(R.id.title);
    mTitleView.setText(getTitle());
    setTitle(null);
    mToolbarView = findViewById(R.id.toolbar);

    final ObservableScrollView scrollView = (ObservableScrollView) findViewById(R.id.scroll);
    scrollView.setScrollViewCallbacks(this);

    mFlexibleSpaceHeight = getResources().getDimensionPixelSize(R.dimen.flexible_space_height);
    int flexibleSpaceAndToolbarHeight = mFlexibleSpaceHeight + getActionBarSize();

    findViewById(R.id.body).setPadding(0, flexibleSpaceAndToolbarHeight, 0, 0);
    mFlexibleSpaceView.getLayoutParams().height = flexibleSpaceAndToolbarHeight;

    ScrollUtils.addOnGlobalLayoutListener(mTitleView, new Runnable() {
        @Override
        public void run() {
            updateFlexibleSpaceText(scrollView.getCurrentScrollY());
        }
    });
}

Example #20

Source File: FlexibleSpaceWithImageScrollViewFragment.java From Android-ObservableScrollView with Apache License 2.0

5 votes

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

    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    // TouchInterceptionViewGroup should be a parent view other than ViewPager.
    // This is a workaround for the issue #117:
    // https://github.com/ksoichiro/Android-ObservableScrollView/issues/117
    scrollView.setTouchInterceptionViewGroup((ViewGroup) view.findViewById(R.id.fragment_root));

    // Scroll to the specified offset after layout
    Bundle args = getArguments();
    if (args != null && args.containsKey(ARG_SCROLL_Y)) {
        final int scrollY = args.getInt(ARG_SCROLL_Y, 0);
        ScrollUtils.addOnGlobalLayoutListener(scrollView, new Runnable() {
            @Override
            public void run() {
                scrollView.scrollTo(0, scrollY);
            }
        });
        updateFlexibleSpace(scrollY, view);
    } else {
        updateFlexibleSpace(0, view);
    }

    scrollView.setScrollViewCallbacks(this);

    return view;
}

Example #21

Source File: UserInfoFragment.java From MaterialWeCenter with Apache License 2.0

5 votes

@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    mScrollView = (ObservableScrollView) view.findViewById(R.id.scrollView);
    fans = (TextView) view.findViewById(R.id.fans);
    agree = (TextView) view.findViewById(R.id.agree);
    thanks = (TextView) view.findViewById(R.id.thanks);
    signature = (TextView) view.findViewById(R.id.signature);
    city = (TextView) view.findViewById(R.id.city);
    MaterialViewPagerHelper.registerScrollView(getActivity(), mScrollView, null);
    new LoadUserInfo().execute();
}

Example #22

Source File: ViewPagerTab2ScrollViewFragment.java From Android-ObservableScrollView with Apache License 2.0

5 votes

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

    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    Activity parentActivity = getActivity();
    scrollView.setTouchInterceptionViewGroup((ViewGroup) parentActivity.findViewById(R.id.container));
    if (parentActivity instanceof ObservableScrollViewCallbacks) {
        scrollView.setScrollViewCallbacks((ObservableScrollViewCallbacks) parentActivity);
    }
    return view;
}

Example #23

Source File: TouchInterceptionScrollViewActivityTest.java From Android-ObservableScrollView with Apache License 2.0

5 votes

@Override
protected void setUp() throws Exception {
    super.setUp();
    setActivityInitialTouchMode(true);
    activity = getActivity();
    scrollable = (ObservableScrollView) activity.findViewById(R.id.scrollable);
}

Example #24

Source File: ScrollViewActivityTest.java From Android-ObservableScrollView with Apache License 2.0

5 votes

@Override
protected void setUp() throws Exception {
    super.setUp();
    setActivityInitialTouchMode(true);
    activity = getActivity();
    scrollable = (ObservableScrollView) activity.findViewById(R.id.scrollable);
    callbackCounter = new int[2];
}

Example #25

Source File: ScrollViewActivityTest.java From Android-ObservableScrollView with Apache License 2.0

5 votes

public void testInitialize() throws Throwable {
    runTestOnUiThread(new Runnable() {
        @Override
        public void run() {
            new ObservableScrollView(activity);
            new ObservableScrollView(activity, null, 0);
        }
    });
}

Example #26

Source File: ScrollViewActivityTest.java From Android-ObservableScrollView with Apache License 2.0

5 votes

public void testNoCallbacks() throws Throwable {
    runTestOnUiThread(new Runnable() {
        @Override
        public void run() {
            scrollable = (ObservableScrollView) activity.findViewById(R.id.scrollable);
            scrollable.setScrollViewCallbacks(null);
        }
    });
    testScroll();
}

Example #27

Source File: ParallaxViewController.java From Carpaccio with Apache License 2.0

5 votes

public void registerParallax(ScrollView view, boolean replaceWithObservableScrollView) {
    if (replaceWithObservableScrollView && !(view instanceof ObservableScrollView)) {
        CommonViewController replaceViewController = new CommonViewController();
        ObservableScrollView newView = replaceViewController.replaceViewithTagToRemove(view, "com.github.ksoichiro.android.observablescrollview.ObservableScrollView", "registerParallax()");

        if (view.getChildCount() > 0) {
            View scrollViewChild = view.getChildAt(0);
            view.removeView(scrollViewChild);
            newView.addView(scrollViewChild);
        }

        view = newView;
    }

    if (view != null)
        ((ObservableScrollView) view).setScrollViewCallbacks(new ObservableScrollViewCallbacks() {
            @Override
            public void onScrollChanged(int i, boolean b, boolean b1) {
                scrolled(i);
            }

            @Override
            public void onDownMotionEvent() {

            }

            @Override
            public void onUpOrCancelMotionEvent(ScrollState scrollState) {

            }
        });
}

Example #28

Source File: ActionBarControlScrollViewActivity.java From Android-ObservableScrollView with Apache License 2.0

5 votes

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

    ObservableScrollView scrollView = (ObservableScrollView) findViewById(R.id.scroll);
    scrollView.setScrollViewCallbacks(this);
}

Example #29

Source File: FlexibleSpaceToolbarScrollViewActivity.java From UltimateAndroid with Apache License 2.0

5 votes

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

    setSupportActionBar((Toolbar) findViewById(R.id.toolbar));
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    mFlexibleSpaceView = findViewById(R.id.flexible_space);
    mTitleView = (TextView) findViewById(R.id.title);
    mTitleView.setText(getTitle());
    setTitle(null);
    mToolbarView = findViewById(R.id.toolbar);

    final ObservableScrollView scrollView = (ObservableScrollView) findViewById(R.id.scroll);
    scrollView.setScrollViewCallbacks(this);

    mFlexibleSpaceHeight = getResources().getDimensionPixelSize(R.dimen.flexible_space_height);
    int flexibleSpaceAndToolbarHeight = mFlexibleSpaceHeight + getActionBarSize();

    findViewById(R.id.body).setPadding(0, flexibleSpaceAndToolbarHeight, 0, 0);
    mFlexibleSpaceView.getLayoutParams().height = flexibleSpaceAndToolbarHeight;

    ViewTreeObserver vto = mTitleView.getViewTreeObserver();
    vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
                mTitleView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            } else {
                mTitleView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
            }
            updateFlexibleSpaceText(scrollView.getCurrentScrollY());
        }
    });
}

Example #30

Source File: ViewPagerTabScrollViewActivity.java From UltimateAndroid with Apache License 2.0

5 votes

private void propagateToolbarState(boolean isShown) {
    int toolbarHeight = mToolbarView.getHeight();

    // Set scrollY for the fragments that are not created yet
    mPagerAdapter.setScrollY(isShown ? 0 : toolbarHeight);

    // Set scrollY for the active fragments
    for (int i = 0; i < mPagerAdapter.getCount(); i++) {
        // Skip current item
        if (i == mPager.getCurrentItem()) {
            continue;
        }

        // Skip destroyed or not created item
        Fragment f = mPagerAdapter.getItemAt(i);
        if (f == null) {
            continue;
        }

        ObservableScrollView scrollView = (ObservableScrollView) f.getView().findViewById(R.id.scroll);
        if (isShown) {
            // Scroll up
            if (0 < scrollView.getCurrentScrollY()) {
                scrollView.scrollTo(0, 0);
            }
        } else {
            // Scroll down (to hide padding)
            if (scrollView.getCurrentScrollY() < toolbarHeight) {
                scrollView.scrollTo(0, toolbarHeight);
            }
        }
    }
}