I am extending LinearLayout to have an easy way of building lists with 
header and footer views. While doing this, I want to maintain the 
LinearLayout's API (e.g. XML-added views). To do this, I have to override 
<LinearLayout#getVirtualChildAt(int)> and 
<LinearLayout#getVirtualChildCount()>. These methods even state per source 
comment that they are meant to be overridden. The visibility of these 
methods is not <protected> but <default>, thus they have to be overridden 
with a <public> modifier and cannot be annotated with <@Override>.

Should my solution be considered API-abuse or should I consider the package 
visibility a bug in <LinearLayout>?
Any more elegant solutions for building lists with with header / footer 
elements? (ListView won't work because I may need multiple lists in one 
scrollable layout).

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