Merge pull request #216 from SushilGhorasaini1/patch-2

Fixing size changes on device orientation change

@@ -35,7 +35,9 @@ class ScreenUtil {
   }
 
   static void init(
-    BoxConstraints constraints, {
+    BoxConstraints constraints, 
+    Orientation orientation,
+    {
     Size designSize = defaultSize,
     bool allowFontScaling = false,
   }) {
@@ -43,8 +45,13 @@ class ScreenUtil {
     _instance
       ..uiSize = designSize
       ..allowFontScaling = allowFontScaling;
+    if(orientation == Orientation.potrait){
       _screenWidth = constraints.maxWidth;
     _screenHeight = constraints.maxHeight;
+    }else{
+      _screenWidth = constraints.maxHeight;
+    _screenHeight = constraints.maxWidth;
+    }
 
     var window = WidgetsBinding.instance?.window ?? ui.window;
     _pixelRatio = window.devicePixelRatio;

@@ -22,11 +22,14 @@ class ScreenUtilInit extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return LayoutBuilder(
-      // ignore: missing_return
       builder: (_, BoxConstraints constraints) {
+        return OrientationBuilder(
+          builder: (_, Orientation orientation) {
+            // ignore: missing_return
             if (constraints.maxWidth != 0) {
               ScreenUtil.init(
                 constraints,
+                orientation,
                 designSize: designSize,
                 allowFontScaling: allowFontScaling,
               );
@@ -34,5 +37,7 @@ class ScreenUtilInit extends StatelessWidget {
             return builder();
           },
         );
+      },
+    );
   }
 }