xButton method
if u want elavation so pass value more tham 5
Implementation
Widget xButton(
{double elavation,
double rounded,
double spreadRadius,
Color color,
Function onTap,
double width,
double height}) {
return MaterialXButton(
elavation: elavation,
rounded: rounded,
spreadRadius: spreadRadius,
color: color,
onTap: onTap,
width: width,
height: height,
child: this);
}