diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 25b3999..e8f7c2f 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -4,8 +4,8 @@ version: 0.1.0
 publish_to: none
 
 environment:
-  sdk: '>=2.19.0 <3.0.0'
-  flutter: '>=3.3.0'
+  sdk: '>=3.2.1 <4.0.0'
+  flutter: '>=3.16.1'
 
 dependencies:
   flutter:
diff --git a/lib/src/popover.dart b/lib/src/popover.dart
index db6ec2c..b308506 100644
--- a/lib/src/popover.dart
+++ b/lib/src/popover.dart
@@ -53,6 +53,10 @@ import 'utils/popover_utils.dart';
 /// position on Y axis. It can be positive or negative number.
 /// This argument defaults to 0.
 ///
+/// The`contentDxOffset` offsets [Popover]s content
+/// position on X axis. It can be positive or negative number.
+/// This argument defaults to 0.
+///
 /// The `barrierDismissible` argument is used to determine whether this route
 /// can be dismissed by tapping the modal barrier. This argument defaults
 /// to true.
@@ -81,13 +85,17 @@ Future<T?> showPopover<T extends Object?>({
   Duration transitionDuration = const Duration(milliseconds: 200),
   double radius = 8,
   List<BoxShadow> shadow = const [
-    BoxShadow(color: Color(0x1F000000), blurRadius: 5)
+    BoxShadow(
+      color: Color(0x1F000000),
+      blurRadius: 5,
+    )
   ],
   double arrowWidth = 24,
   double arrowHeight = 12,
   double arrowDxOffset = 0,
   double arrowDyOffset = 0,
   double contentDyOffset = 0,
+  double contentDxOffset = 0,
   bool barrierDismissible = true,
   double? width,
   double? height,
@@ -111,11 +119,8 @@ Future<T?> showPopover<T extends Object?>({
   return Navigator.of(context, rootNavigator: true).push<T>(
     RawDialogRoute<T>(
       pageBuilder: (_, animation, __) {
-        return WillPopScope(
-          onWillPop: () {
-            onPop?.call();
-            return Future.value(true);
-          },
+        return PopScope(
+          onPopInvoked: (_) => onPop?.call(),
           child: PopoverItem(
             transition: transition,
             child: Builder(builder: bodyBuilder),
@@ -131,12 +136,13 @@ Future<T?> showPopover<T extends Object?>({
             arrowDxOffset: arrowDxOffset,
             arrowDyOffset: arrowDyOffset,
             contentDyOffset: contentDyOffset,
+            contentDxOffset: contentDxOffset,
             key: key,
           ),
         );
       },
       barrierDismissible: barrierDismissible,
-      barrierLabel: barrierLabel ??=
+      barrierLabel: barrierLabel ??
           MaterialLocalizations.of(context).modalBarrierDismissLabel,
       barrierColor: barrierColor,
       transitionDuration: transitionDuration,
diff --git a/lib/src/popover_item.dart b/lib/src/popover_item.dart
index 6791732..fe8fab8 100644
--- a/lib/src/popover_item.dart
+++ b/lib/src/popover_item.dart
@@ -19,6 +19,7 @@ class PopoverItem extends StatefulWidget {
   final double arrowDxOffset;
   final double arrowDyOffset;
   final double contentDyOffset;
+  final double contentDxOffset;
   final PopoverTransition transition;
 
   const PopoverItem({
@@ -36,6 +37,7 @@ class PopoverItem extends StatefulWidget {
     this.arrowDxOffset = 0,
     this.arrowDyOffset = 0,
     this.contentDyOffset = 0,
+    this.contentDxOffset = 0,
     super.key,
   });
 
@@ -142,7 +144,7 @@ class _PopoverItemState extends State<PopoverItem> {
       _attachRect = Rect.fromLTWH(
         offset.dx + (widget.arrowDxOffset),
         offset.dy + (widget.arrowDyOffset),
-        bounds.width,
+        bounds.width + (widget.contentDxOffset),
         bounds.height + (widget.contentDyOffset),
       );
     }
diff --git a/pubspec.yaml b/pubspec.yaml
index 80b86a2..d63a6a7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,8 +4,8 @@ version: 0.3.0
 homepage: https://github.com/minikin/popover
 
 environment:
-  sdk: '>=3.1.2 <4.0.0'
-  flutter: '>=3.13.5'
+  sdk: '>=3.2.1 <4.0.0'
+  flutter: '>=3.16.1'
 
 dependencies:
   flutter: