question: @ Nullable public Bitmap generateIconForUrl ( String url , boolean includePrivateRegistries ) { if ( TextUtils . isEmpty ( url ) ) return null ; String text = getIconTextForUrl ( url , includePrivateRegistries ) ; if ( TextUtils . isEmpty ( text ) ) return null ; return generateIconForText ( text ) ; }
target:  Returns a Bitmap representing the icon to be used for |url|.