Java Code Examples for com.github.ksoichiro.android.observablescrollview.ObservableScrollView#getCurrentScrollY()

The following examples show how to use com.github.ksoichiro.android.observablescrollview.ObservableScrollView#getCurrentScrollY() . 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: ViewPagerTabActivity.java    From UltimateAndroid with Apache License 2.0 6 votes vote down vote up 
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 2
Source File: ViewPagerTabActivity.java    From UltimateAndroid with Apache License 2.0 6 votes vote down vote up 
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 3
Source File: ViewPagerTabScrollViewActivity.java    From UltimateAndroid with Apache License 2.0 5 votes vote down vote up 
@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 (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 4
Source File: ViewPagerTabScrollViewActivity.java    From UltimateAndroid with Apache License 2.0 5 votes vote down vote up 
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);
            }
        }
    }
}
Example 5
Source File: ViewPagerTabScrollViewActivity.java    From Android-ObservableScrollView with Apache License 2.0 5 votes vote down vote up 
@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 6
Source File: ViewPagerTabScrollViewActivity.java    From Android-ObservableScrollView with Apache License 2.0 5 votes vote down vote up 
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);
            }
        }
    }
}