SwipeRefreshLayout + WebView when scroll position is at top

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I’ve managed to solve it without having to extend anything. Have a look at this snippet (Fragment-specific):

private ViewTreeObserver.OnScrollChangedListener mOnScrollChangedListener;

@Override
public void onStart() {
    super.onStart();

    swipeLayout.getViewTreeObserver().addOnScrollChangedListener(mOnScrollChangedListener =
            new ViewTreeObserver.OnScrollChangedListener() {
                @Override
                public void onScrollChanged() {
                    if (mWebView.getScrollY() == 0)
                        swipeLayout.setEnabled(true);
                    else
                        swipeLayout.setEnabled(false);

                }
            });
}

@Override
public void onStop() {
    swipeLayout.getViewTreeObserver().removeOnScrollChangedListener(mOnScrollChangedListener);
    super.onStop();
}

For a broader context, have a look at my answer to Android – SwipeRefreshLayout with empty textview.

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