init static method
Implementation
static void init(
BuildContext context, {
double designWidth = 390,
double designHeight = 844,
}) {
final media = MediaQuery.of(context);
_screenWidth = media.size.width;
_screenHeight = media.size.height;
_pixelRatio = media.devicePixelRatio;
_designWidth = designWidth;
_designHeight = designHeight;
_initialized = true;
}