修正宽度和高度为无视屏幕的方向

example添加textfield方便测试

@@ -31,6 +31,7 @@ class HomePageScaffold extends StatelessWidget {
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: <Widget>[
+            TextField(),
             Row(
               children: <Widget>[
                 // Using Extensions

@@ -121,13 +121,43 @@ class ScreenUtil {
 
   /// 当前设备宽度 dp
   /// The horizontal extent of this size.
-  double get screenWidth =>
-      context != null ? MediaQuery.of(context!).size.width : _screenWidth;
+  double get screenWidth {
+    if (_orientation == Orientation.landscape) {
+      return (context != null
+          ? MediaQuery.of(context!).size.height
+          : _screenHeight);
+    }
+    return context != null ? MediaQuery.of(context!).size.width : _screenWidth;
+  }
 
   ///当前设备高度 dp
   ///The vertical extent of this size. dp
-  double get screenHeight =>
-      context != null ? MediaQuery.of(context!).size.height : _screenHeight;
+  double get screenHeight {
+    if (_orientation == Orientation.landscape) {
+      return context != null
+          ? MediaQuery.of(context!).size.width
+          : _screenWidth;
+    }
+    return context != null
+        ? MediaQuery.of(context!).size.height
+        : _screenHeight;
+  }
+
+  Size get screenSize {
+    if (_orientation == Orientation.landscape) {
+      double width = (context != null
+              ? MediaQuery.of(context!).size.height
+              : _screenHeight) +
+          bottomBarHeight;
+      double height =
+          (context != null ? MediaQuery.of(context!).size.width : _screenWidth);
+
+      return Size(width, height);
+    }
+    return Size(
+        context != null ? MediaQuery.of(context!).size.width : _screenWidth,
+        context != null ? MediaQuery.of(context!).size.height : _screenHeight);
+  }
 
   /// 状态栏高度 dp 刘海屏会更高
   /// The offset from the top, in dp