Created
August 14, 2019 14:43
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A Flutter widget that displays diagonal stripes on top of its child
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import 'package:flutter/material.dart'; | |
class StripeContainer extends StatelessWidget { | |
final Widget child; | |
StripeContainer({@required this.child}); | |
@override | |
Widget build(BuildContext context) { | |
return Container( | |
decoration: BoxDecoration( | |
gradient: LinearGradient( | |
begin: Alignment(-1.0, -4.0), | |
end: Alignment(1.0, 4.0), | |
colors: List.generate(66, (index) { | |
if (index % 4 == 0 || index % 4 == 1) { | |
return Colors.transparent; | |
} else { | |
return Colors.grey; | |
} | |
}), | |
stops: () { | |
final List<double> stops = []; | |
double i = 0; | |
double increment = 0.05; | |
while (i < 1) { | |
stops.add(i); | |
i += increment; | |
if (i >= 1) { | |
stops.add(1); | |
break; | |
} | |
increment = increment == 0.05 ? 0.01 : 0.05; | |
stops.add(i); | |
} | |
return stops; | |
}(), | |
), | |
), | |
child: child, | |
); | |
} | |
} |
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