Fix scroll handling for physics that not overflow as ClampingScrollPhysics

@@ -10,11 +10,7 @@
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-		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
-		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
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-		9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
-		9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
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@@ -27,8 +23,6 @@
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-				9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -40,14 +34,12 @@
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@@ -62,8 +54,6 @@
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@@ -85,9 +75,7 @@
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@@ -252,7 +240,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" thin";
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
 		};
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@@ -179,7 +179,6 @@ class _MyHomePageState extends State<MyHomePage> {
                             expand: true,
                             context: context,
                             backgroundColor: Colors.transparent,
-                            animationCurve: Curves.easeInExpo,
                             builder: (context, scrollController) =>
                                 ModalInsideModal(
                                     scrollController: scrollController),

@@ -18,7 +18,7 @@ class ModalInsideModal extends StatelessWidget {
         child: ListView(
           shrinkWrap: true,
           controller: scrollController,
-          physics: BouncingScrollPhysics(),
+          physics: ClampingScrollPhysics(),
           children: ListTile.divideTiles(
               context: context,
               tiles: List.generate(

@@ -240,14 +240,30 @@ class _ModalBottomSheetState extends State<ModalBottomSheet>
 
   void _handleScrollUpdate(ScrollNotification notification) {
     if (notification.metrics.pixels <= notification.metrics.minScrollExtent) {
-      //Check if listener is same from scrollController
       if (!_scrollController.hasClients) return;
 
-      if (_scrollController.position.pixels != notification.metrics.pixels) {
+      // Check if listener is same from scrollController.
+      // TODO: Improve the way it checks if it the same view controller
+      // Use PrimaryScrollController
+      if (_scrollController.position.pixels != notification.metrics.pixels &&
+          !(_scrollController.position.pixels == 0 &&
+              notification.metrics.pixels >= 0)) {
         return;
       }
+      // Clamping Scroll Physics end with a ScrollEndNotification with a DragEndDetail class
+      // while Bouncing Scroll Physics or other physics that Overflow don't return a drag end info
+
+      // We use the velocity from DragEndDetail in case it is available
+      if (notification is ScrollEndNotification &&
+          notification.dragDetails != null) {
+        _handleDragEnd(notification.dragDetails.primaryVelocity);
+        _velocityTracker = null;
+        _startTime = null;
+        return;
+      }
+      // Otherwise the calculate the velocity with a VelocityTracker
       DragUpdateDetails dragDetails;
-      if (notification is ScrollStartNotification) {
+      if (_velocityTracker == null) {
         _velocityTracker = VelocityTracker();
         _startTime = DateTime.now();
       }
@@ -259,11 +275,13 @@ class _ModalBottomSheetState extends State<ModalBottomSheet>
       }
       if (dragDetails != null) {
         final duration = _startTime.difference(DateTime.now());
-        final offset = Offset(0, _scrollController.offset);
+        final offset = Offset(0, notification.metrics.pixels);
         _velocityTracker.addPosition(duration, offset);
         _handleDragUpdate(dragDetails.primaryDelta);
       } else if (isDragging) {
         final velocity = _velocityTracker.getVelocity().pixelsPerSecond.dy;
+        _velocityTracker = null;
+        _startTime = null;
         _handleDragEnd(velocity);
       }
     }