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Navigator.of(context).push(MaterialPageRoute(builder: (context) => NewScreen()));
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Navigator.of(context).push(MaterialPageRoute(builder: (context) => NewScreen()));
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Navigator.of(context).push(MaterialPageRoute(builder: (context) => NewScreen()));
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Navigator.of(context).push(MaterialPageRoute(builder: (context) => NewScreen()));
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Navigator.of(context).push(MaterialPageRoute(builder: (context) => NewScreen()));
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Navigator.of(context).push(MaterialPageRoute(builder: (context) => NewScreen()));