setDimensions method
void
setDimensions()
Calculate updated dimensions.
Implementation
void setDimensions() {
windowWidth = getWindowWidth();
windowHeight = getWindowHeight();
screenWidth = getScreenWidth();
screenHeight = getScreenHeight();
breakpoint = breakpoints.firstWhereOrNull((element) =>
screenWidth >= element.start && screenWidth <= element.end) ??
const Breakpoint(start: 0, end: 0);
}