Java Code Examples for androidx.core.view.WindowInsetsCompat#getSystemWindowInsetTop()

@Override
public boolean onMeasureChild(@NonNull CoordinatorLayout parent, @NonNull View child,
                              int parentWidthMeasureSpec, int widthUsed,
                              int parentHeightMeasureSpec, int heightUsed) {
    @SuppressLint("RestrictedApi")
    WindowInsetsCompat parentInsets = parent.getLastWindowInsets();
    if (parentInsets != null) {
        int parentHeightSize = MeasureSpec.getSize(parentHeightMeasureSpec);
        parentHeightSize -= parentInsets.getSystemWindowInsetTop()
                + parentInsets.getSystemWindowInsetBottom();
        int parentHeightMode = MeasureSpec.getMode(parentHeightMeasureSpec);
        parentHeightMeasureSpec = MeasureSpec.makeMeasureSpec(parentHeightSize,
                parentHeightMode);
    }
    return super.onMeasureChild(parent, child, parentWidthMeasureSpec, widthUsed,
            parentHeightMeasureSpec, heightUsed);
}
 

/**
 * Creates and returns a listener, which allows to observe when window insets are applied to the
 * root view of the view hierarchy, which is modified by the decorator.
 *
 * @return The listener, which has been created, as an instance of the type {@link
 * OnApplyWindowInsetsListener}
 */
private OnApplyWindowInsetsListener createWindowInsetsListener() {
    return new OnApplyWindowInsetsListener() {

        @Override
        public WindowInsetsCompat onApplyWindowInsets(final View v,
                                                      final WindowInsetsCompat insets) {
            systemWindowInsets = insets.hasSystemWindowInsets() ?
                    new Rect(insets.getSystemWindowInsetLeft(),
                            insets.getSystemWindowInsetTop(),
                            insets.getSystemWindowInsetRight(),
                            insets.getSystemWindowInsetBottom()) : null;
            adaptLayoutParams();
            return insets;
        }

    };
}
 

@TargetApi(21)
private boolean applySystemWindowInsets21(WindowInsetsCompat insets) {
    boolean consumed = false;

    for (int i = 0; i < getChildCount(); i++) {
        View child = getChildAt(i);

        if (!child.getFitsSystemWindows()) {
            continue;
        }

        Rect childInsets = new Rect(
                insets.getSystemWindowInsetLeft(),
                insets.getSystemWindowInsetTop(),
                insets.getSystemWindowInsetRight(),
                insets.getSystemWindowInsetBottom());

        computeInsetsWithGravity(child, childInsets);

        ViewCompat.dispatchApplyWindowInsets(child, insets.replaceSystemWindowInsets(childInsets));

        consumed = true;
    }

    return consumed;
}
 

private void updateBottomSheetPeekHeight(WindowInsetsCompat insets) {
  double width =
      getScreenWidth(getActivity())
          + insets.getSystemWindowInsetLeft()
          + insets.getSystemWindowInsetRight();
  double height =
      getScreenHeight(getActivity())
          + insets.getSystemWindowInsetTop()
          + insets.getSystemWindowInsetBottom();
  double mapHeight = width / COLLAPSED_MAP_ASPECT_RATIO;
  double peekHeight = height - mapHeight;
  bottomSheetBehavior.setPeekHeight((int) peekHeight);
}
 

/**
 * Creates a listener, which allows to apply the window insets to the tab switcher's padding.
 *
 * @return The listener, which has been created, as an instance of the type {@link
 * OnApplyWindowInsetsListener}. The listener may not be nullFG
 */
@NonNull
private OnApplyWindowInsetsListener createWindowInsetsListener() {
    return new OnApplyWindowInsetsListener() {

        @Override
        public WindowInsetsCompat onApplyWindowInsets(final View v,
                                                      final WindowInsetsCompat insets) {
            int left = insets.getSystemWindowInsetLeft();
            int top = insets.getSystemWindowInsetTop();
            int right = insets.getSystemWindowInsetRight();
            int bottom = insets.getSystemWindowInsetBottom();
            tabSwitcher.setPadding(left, top, right, bottom);
            float touchableAreaTop = top;

            if (tabSwitcher.getLayout() == Layout.TABLET) {
                touchableAreaTop += getResources()
                        .getDimensionPixelSize(R.dimen.tablet_tab_container_height);
            }

            RectF touchableArea = new RectF(left, touchableAreaTop,
                    getDisplayWidth(MainActivity.this) - right, touchableAreaTop +
                    ThemeUtil.getDimensionPixelSize(MainActivity.this, R.attr.actionBarSize));
            tabSwitcher.addDragGesture(
                    new SwipeGesture.Builder().setTouchableArea(touchableArea).create());
            tabSwitcher.addDragGesture(
                    new PullDownGesture.Builder().setTouchableArea(touchableArea).create());
            return insets;
        }

    };
}
 

public void dispatchApplyWindowInsets(@NonNull WindowInsetsCompat insets) {
  int top = insets.getSystemWindowInsetTop();
  if (paddingTopDefault != top) {
    paddingTopDefault = top;
    // Apply the padding to the top of the view if it has changed.
    updateTopPadding();
  }

  // Always apply the bottom padding.
  menuView.setPadding(0, menuView.getPaddingTop(), 0, insets.getSystemWindowInsetBottom());
  ViewCompat.dispatchApplyWindowInsets(headerLayout, insets);
}