💫 Update: Exp - AdaptiveModal

Summary: Update experiment/test - `swift-programmatic-modal/AdaptiveModal`.

experiments/swift-programmatic-modal/AdaptiveModal/AdaptiveModalManager.swift

@@ -1045,6 +1045,7 @@ class AdaptiveModalManager: NSObject {
       );
     }();
 
+    self.modalAnimator?.stopAnimation(true);
     self.modalAnimator = animator;
 
     animator.addAnimations {
@@ -1064,10 +1065,12 @@ class AdaptiveModalManager: NSObject {
     };
 
     animator.addCompletion { _ in
+      self.endDisplayLink();
       self.modalAnimator = nil;
     };
-
+  
     animator.startAnimation();
+    self.startDisplayLink();
   };
 
   @objc private func onDragPanGesture(_ sender: UIPanGestureRecognizer) {
@@ -1095,17 +1098,15 @@ class AdaptiveModalManager: NSObject {
         let gestureFinalPointRaw = self.gestureFinalPoint ?? gesturePoint;
 
         let gestureFinalPoint = CGPoint(
-          x: gestureFinalPointRaw.x - self.gestureOffset!.x,
-          y: gestureFinalPointRaw.y - self.gestureOffset!.y
+          x: gestureFinalPointRaw.x - (self.gestureOffset?.x ?? 0),
+          y: gestureFinalPointRaw.y - (self.gestureOffset?.y ?? 0)
         );
 
         self.snapToClosestSnapPoint(forPoint: gestureFinalPoint) {
-          self.endDisplayLink();
           self.notifyOnModalDidSnap();
         };
 
         self.clearGestureValues();
-        self.startDisplayLink();
 
       default:
         break;

experiments/swift-programmatic-modal/Test/RNIDraggableTestViewController.swift

@@ -65,35 +65,12 @@ class RNIDraggableTestViewController : UIViewController {
     return view;
   }();
 
-  lazy var dummyBackgroundView: UIView = {
-    let view = UIView();
-
-    let imageView = UIImageView(
-      image: UIImage(named: "DummyBackgroundImage")
-    );
-
-    imageView.contentMode = .scaleAspectFill;
-
-    view.addSubview(imageView);
-
-    imageView.translatesAutoresizingMaskIntoConstraints = false;
-
-    NSLayoutConstraint.activate([
-      imageView.topAnchor.constraint(equalTo: view.topAnchor),
-      imageView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
-      imageView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
-      imageView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
-    ]);
-
-    return view;
-  }();
-
   override func viewDidLoad() {
     self.view.backgroundColor = .white;
 
     let dummyBackgroundView: UIView = {
       let imageView = UIImageView(
-        image: UIImage(named: "DummyBackgroundImage")
+        image: UIImage(named: "DummyBackgroundImage3")
       );
 
       imageView.contentMode = .scaleAspectFill;

experiments/swift-programmatic-modal/swift-programmatic-modal/Assets.xcassets/DummyBackgroundImage3.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "DummyBackgroundImage3 1.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}