Java Code Examples for androidx.coordinatorlayout.widget.CoordinatorLayout#getDependencies()

The following examples show how to use androidx.coordinatorlayout.widget.CoordinatorLayout#getDependencies() . 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: ExtendedFloatingActionButton.java    From material-components-android with Apache License 2.0 6 votes vote down vote up 
@Override
public boolean onLayoutChild(
    @NonNull CoordinatorLayout parent,
    @NonNull ExtendedFloatingActionButton child,
    int layoutDirection) {
  // First, let's make sure that the visibility of the FAB is consistent
  final List<View> dependencies = parent.getDependencies(child);
  for (int i = 0, count = dependencies.size(); i < count; i++) {
    final View dependency = dependencies.get(i);
    if (dependency instanceof AppBarLayout) {
      if (updateFabVisibilityForAppBarLayout(parent, (AppBarLayout) dependency, child)) {
        break;
      }
    } else if (isBottomSheet(dependency)) {
      if (updateFabVisibilityForBottomSheet(dependency, child)) {
        break;
      }
    }
  }
  // Now let the CoordinatorLayout lay out the FAB
  parent.onLayoutChild(child, layoutDirection);
  return true;
}
Example 2
Source File: FloatingActionButton.java    From material-components-android with Apache License 2.0 6 votes vote down vote up 
@Override
public boolean onLayoutChild(
    @NonNull CoordinatorLayout parent,
    @NonNull FloatingActionButton child,
    int layoutDirection) {
  // First, let's make sure that the visibility of the FAB is consistent
  final List<View> dependencies = parent.getDependencies(child);
  for (int i = 0, count = dependencies.size(); i < count; i++) {
    final View dependency = dependencies.get(i);
    if (dependency instanceof AppBarLayout) {
      if (updateFabVisibilityForAppBarLayout(parent, (AppBarLayout) dependency, child)) {
        break;
      }
    } else if (isBottomSheet(dependency)) {
      if (updateFabVisibilityForBottomSheet(dependency, child)) {
        break;
      }
    }
  }
  // Now let the CoordinatorLayout lay out the FAB
  parent.onLayoutChild(child, layoutDirection);
  // Now offset it if needed
  offsetIfNeeded(parent, child);
  return true;
}
Example 3
Source File: BottomNavBarFabBehaviour.java    From BottomNavigation with Apache License 2.0 6 votes vote down vote up 
private float[] getFabTranslationYForBottomNavigationBar(CoordinatorLayout parent,
                                                         FloatingActionButton fab) {
    float minOffset = 0;
    float viewHeight = 0;
    final List<View> dependencies = parent.getDependencies(fab);
    for (int i = 0, z = dependencies.size(); i < z; i++) {
        final View view = dependencies.get(i);
        if (view instanceof BottomNavigationBar) {
            viewHeight = view.getHeight();
            minOffset = Math.min(minOffset,
                    view.getTranslationY() - viewHeight);
        }
    }

    return new float[]{minOffset, viewHeight};
}
Example 4
Source File: FABMenu.java    From Jockey with Apache License 2.0 6 votes vote down vote up 
private float getFabTranslationYForSnackbar(CoordinatorLayout parent,
                                            FloatingActionButton fab) {
    float minOffset = 0.0F;
    List dependencies = parent.getDependencies(fab);
    int i = 0;

    for (int z = dependencies.size(); i < z; ++i) {
        View view = (View) dependencies.get(i);
        if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(fab, view)) {
            minOffset = Math.min(
                    minOffset, view.getTranslationY() - (float) view.getHeight());
        }
    }

    return minOffset;
}
Example 5
Source File: EhDrawerLayout.java    From MHViewer with Apache License 2.0 5 votes vote down vote up 
private float getChildTranslationYForSnackbar(CoordinatorLayout parent,
        EhDrawerLayout child) {
    float minOffset = 0;
    final List<View> dependencies = parent.getDependencies(child);
    for (int i = 0, z = dependencies.size(); i < z; i++) {
        final View view = dependencies.get(i);
        if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(child, view)) {
            minOffset = Math.min(minOffset,
                    ViewCompat.getTranslationY(view) - view.getHeight());
        }
    }

    return minOffset;
}
Example 6
Source File: AppBarBoundFabBehavior.java    From appbarsyncedfab with Apache License 2.0 5 votes vote down vote up 
/**
 * returns visible height of snackbar, if snackbar is overlapping fab
 * 0 otherwise
 */
private float getVisibleHeightOfOverlappingSnackbar(CoordinatorLayout parent,
                                                    FloatingActionButton fab) {
    float minOffset = 0;
    final List<View> dependencies = parent.getDependencies(fab);
    for (int i = 0, z = dependencies.size(); i < z; i++) {
        final View view = dependencies.get(i);
        if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(fab, view)) {
            minOffset = Math.min(minOffset, view.getTranslationY() - view.getHeight());
        }
    }

    return minOffset;
}
Example 7
Source File: ExpandableBehavior.java    From material-components-android with Apache License 2.0 5 votes vote down vote up 
@Nullable
protected ExpandableWidget findExpandableWidget(
    @NonNull CoordinatorLayout parent, @NonNull View child) {
  List<View> dependencies = parent.getDependencies(child);
  for (int i = 0, size = dependencies.size(); i < size; i++) {
    View dependency = dependencies.get(i);
    if (layoutDependsOn(parent, child, dependency)) {
      return (ExpandableWidget) dependency;
    }
  }
  return null;
}
Example 8
Source File: BottomVerticalScrollBehavior.java    From BottomNavigation with Apache License 2.0 5 votes vote down vote up 
private Snackbar.SnackbarLayout getSnackBarInstance(CoordinatorLayout parent, V child) {
    final List<View> dependencies = parent.getDependencies(child);
    for (int i = 0, z = dependencies.size(); i < z; i++) {
        final View view = dependencies.get(i);
        if (view instanceof Snackbar.SnackbarLayout) {
            return (Snackbar.SnackbarLayout) view;
        }
    }
    return null;
}
Example 9
Source File: BottomNavBarFabBehaviour.java    From BottomNavigation with Apache License 2.0 5 votes vote down vote up 
private float getFabTranslationYForSnackBar(CoordinatorLayout parent,
                                            FloatingActionButton fab) {
    float minOffset = 0;
    final List<View> dependencies = parent.getDependencies(fab);
    for (int i = 0, z = dependencies.size(); i < z; i++) {
        final View view = dependencies.get(i);
        if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(fab, view)) {
            minOffset = Math.min(minOffset,
                    view.getTranslationY() - view.getHeight());
        }
    }

    return minOffset;
}
Example 10
Source File: EhDrawerLayout.java    From EhViewer with Apache License 2.0 5 votes vote down vote up 
private float getChildTranslationYForSnackbar(CoordinatorLayout parent,
        EhDrawerLayout child) {
    float minOffset = 0;
    final List<View> dependencies = parent.getDependencies(child);
    for (int i = 0, z = dependencies.size(); i < z; i++) {
        final View view = dependencies.get(i);
        if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(child, view)) {
            minOffset = Math.min(minOffset,
                    ViewCompat.getTranslationY(view) - view.getHeight());
        }
    }

    return minOffset;
}
Example 11
Source File: SnackbarBehavior.java    From CircleIndicator with Apache License 2.0 5 votes vote down vote up 
private float getTranslationYForSnackbar(CoordinatorLayout parent, BaseCircleIndicator ci) {
    float minOffset = 0;
    final List<View> dependencies = parent.getDependencies(ci);
    for (int i = 0, z = dependencies.size(); i < z; i++) {
        final View view = dependencies.get(i);
        if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(ci, view)) {
            minOffset = Math.min(minOffset, view.getTranslationY() - view.getHeight());
        }
    }

    return minOffset;
}
Example 12
Source File: HeaderScrollingViewBehavior.java    From material-components-android with Apache License 2.0 4 votes vote down vote up 
@Override
protected void layoutChild(
    @NonNull final CoordinatorLayout parent,
    @NonNull final View child,
    final int layoutDirection) {
  final List<View> dependencies = parent.getDependencies(child);
  final View header = findFirstDependency(dependencies);

  if (header != null) {
    final CoordinatorLayout.LayoutParams lp =
        (CoordinatorLayout.LayoutParams) child.getLayoutParams();
    final Rect available = tempRect1;
    available.set(
        parent.getPaddingLeft() + lp.leftMargin,
        header.getBottom() + lp.topMargin,
        parent.getWidth() - parent.getPaddingRight() - lp.rightMargin,
        parent.getHeight() + header.getBottom() - parent.getPaddingBottom() - lp.bottomMargin);

    final WindowInsetsCompat parentInsets = parent.getLastWindowInsets();
    if (parentInsets != null
        && ViewCompat.getFitsSystemWindows(parent)
        && !ViewCompat.getFitsSystemWindows(child)) {
      // If we're set to handle insets but this child isn't, then it has been measured as
      // if there are no insets. We need to lay it out to match horizontally.
      // Top and bottom and already handled in the logic above
      available.left += parentInsets.getSystemWindowInsetLeft();
      available.right -= parentInsets.getSystemWindowInsetRight();
    }

    final Rect out = tempRect2;
    GravityCompat.apply(
        resolveGravity(lp.gravity),
        child.getMeasuredWidth(),
        child.getMeasuredHeight(),
        available,
        out,
        layoutDirection);

    final int overlap = getOverlapPixelsForOffset(header);

    child.layout(out.left, out.top - overlap, out.right, out.bottom - overlap);
    verticalLayoutGap = out.top - header.getBottom();
  } else {
    // If we don't have a dependency, let super handle it
    super.layoutChild(parent, child, layoutDirection);
    verticalLayoutGap = 0;
  }
}