setScreenSize static method

void setScreenSize(BuildContext context, BoxConstraints constraints, Orientation currentOrientation, double maxMobileWidth, [ double? maxTabletWidth, ])

Sets the Screen's size and Device's Orientation, BoxConstraints, Height, and Width

Implementation

static void setScreenSize(
  BuildContext context,
  BoxConstraints constraints,
  Orientation currentOrientation,
  double maxMobileWidth, [
  double? maxTabletWidth,
]) {
  // Sets boxconstraints and orientation
  boxConstraints = constraints;
  orientation = currentOrientation;

  // Sets screen width and height
  width = boxConstraints.maxWidth;
  height = boxConstraints.maxHeight;

  // Calculates remaining available size after `SafeArea`
  final viewPadding = MediaQuery.of(context).viewPadding;
  safeWidth = width - (viewPadding.left + viewPadding.right);
  safeHeight = height - (viewPadding.top + viewPadding.bottom);

  // Sets aspect and pixel ratio
  aspectRatio = constraints.constrainDimensions(width, height).aspectRatio;
  pixelRatio = MediaQuery.of(context).devicePixelRatio;

  // Sets DeviceType
  if (kIsWeb) {
    deviceType = DeviceType.web;
  } else {
    switch (defaultTargetPlatform) {
      case TargetPlatform.android:
        deviceType = DeviceType.android;
        break;
      case TargetPlatform.iOS:
        deviceType = DeviceType.ios;
        break;
      case TargetPlatform.windows:
        deviceType = DeviceType.windows;
        break;
      case TargetPlatform.macOS:
        deviceType = DeviceType.mac;
        break;
      case TargetPlatform.linux:
        deviceType = DeviceType.linux;
        break;
      case TargetPlatform.fuchsia:
        deviceType = DeviceType.fuchsia;
        break;
    }
  }

  // Sets ScreenType
  if ((orientation == Orientation.portrait && width <= maxMobileWidth) ||
      (orientation == Orientation.landscape && height <= maxMobileWidth)) {
    screenType = ScreenType.mobile;
  } else if (maxTabletWidth == null ||
      (orientation == Orientation.portrait && width <= maxTabletWidth) ||
      (orientation == Orientation.landscape && height <= maxTabletWidth)) {
    screenType = ScreenType.tablet;
  } else {
    screenType = ScreenType.desktop;
  }
}