如何解决自定义形状 - 底部导航栏 - Flutter
我正在尝试为底部导航栏添加自定义形状。我尝试了ContinuousRectangleBorder 和Custom Paint。但是现在注意起作用了。有人可以帮我吗?
class BottomBarBorder extends ContinuousRectangleBorder {
@override
Path getouterPath(Rect rect,{TextDirection textDirection}) {
Size size = rect.size;
double horizontalOffset = size.height / 2;
double horizontalRoundingPoint = size.height / 25;
var path = new Path();
path.lineto(0,size.height * 1.4);
var firstControlPoint = new Offset(horizontalRoundingPoint,size.height);
var firstEndPoint = new Offset(horizontalOffset,size.height);
var secondControlPoint =
new Offset(size.width - horizontalOffset,size.height);
var thirdControlPoint =
new Offset(size.width - horizontalOffset,size.height);
var thirdMiddlePoint =
new Offset(size.width - horizontalRoundingPoint,size.height);
var thirdEndPoint = new Offset(size.width,size.height / 1.6);
path.quadraticBezierTo(firstControlPoint.dx,firstControlPoint.dy,firstEndPoint.dx,firstEndPoint.dy);
path.lineto(secondControlPoint.dx,secondControlPoint.dy);
path.cubicTo(
thirdControlPoint.dx,thirdControlPoint.dy,thirdMiddlePoint.dx,thirdMiddlePoint.dy,thirdEndPoint.dx,thirdEndPoint.dy);
path.lineto(size.width,size.height / 3);
path.lineto(size.width,0);
path.close();
return path;
}
}
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