Version 1.7.6

If a library consumer allows a panel projectable movement with the
FloatingPanelBehavior object, the panel is able to invoke the removal
interaction when the next moving position projected the momentum is
hidden.

Examples/Maps/Maps/Base.lproj/Main.storyboard

@@ -27,7 +27,7 @@
                                     <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                 </view>
-                                <blurEffect style="light"/>
+                                <blurEffect style="prominent"/>
                             </visualEffectView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
@@ -232,7 +232,7 @@
                                         <constraint firstItem="Zcj-SE-gb8" firstAttribute="leading" secondItem="ED1-gT-FBj" secondAttribute="leading" id="wMb-L2-Z0W"/>
                                     </constraints>
                                 </view>
-                                <blurEffect style="extraLight"/>
+                                <blurEffect style="prominent"/>
                             </visualEffectView>
                         </subviews>
                         <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>

Examples/Samples/Sources/ViewController.swift

@@ -1355,15 +1355,26 @@ final class MultiPanelController: FloatingPanelController, FloatingPanelControll
 
     private final class FirstViewLayout: FloatingPanelLayout {
         let initialPosition: FloatingPanelPosition = .full
-        let supportedPositions: Set<FloatingPanelPosition> = [.full]
+        let supportedPositions: Set<FloatingPanelPosition> = [.full, .half]
         func insetFor(position: FloatingPanelPosition) -> CGFloat? {
             switch position {
             case .full: return 40.0
+            case .half: return 200.0
             default: return nil
             }
         }
     }
 
+    private final class FirstViewBehavior: FloatingPanelBehavior {
+        func shouldProjectMomentum(_ fpc: FloatingPanelController, for proposedTargetPosition: FloatingPanelPosition) -> Bool {
+            return true
+        }
+    }
+
+    func floatingPanel(_ vc: FloatingPanelController, behaviorFor newCollection: UITraitCollection) -> FloatingPanelBehavior? {
+        return FirstViewBehavior()
+    }
+
     func floatingPanel(_ vc: FloatingPanelController, layoutFor newCollection: UITraitCollection) -> FloatingPanelLayout? {
         return FirstViewLayout()
     }

FloatingPanel.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name                = "FloatingPanel"
-  s.version             = "1.7.5"
+  s.version             = "1.7.6"
   s.summary             = "FloatingPanel is a clean and easy-to-use UI component of a floating panel interface."
   s.description         = <<-DESC
 FloatingPanel is a clean and easy-to-use UI component for a new interface introduced in Apple Maps, Shortcuts and Stocks app.

Framework/Sources/FloatingPanelCore.swift

@@ -617,16 +617,24 @@ class FloatingPanelCore: NSObject, UIGestureRecognizerDelegate {
 
         endInteraction(for: targetPosition)
 
-        if isRemovalInteractionEnabled, isBottomState {
-            let velocityVector = (distance != 0) ? CGVector(dx: 0, dy: min(velocity.y/distance, behavior.removalVelocity)) : .zero
+        if isRemovalInteractionEnabled {
+            let velocityVector: CGVector
+            if distance == 0 {
+                velocityVector = .zero
+            } else {
+                let dy = min(velocity.y / abs(distance), behavior.removalVelocity)
+                velocityVector = CGVector(dx: 0, dy: dy)
+            }
             // `velocityVector` will be replaced by just a velocity(not vector) when FloatingPanelRemovalInteraction will be added.
             if shouldStartRemovalAnimation(with: velocityVector), let vc = viewcontroller {
-                vc.delegate?.floatingPanelDidEndDraggingToRemove(vc, withVelocity: velocity)
-                let animationVector = CGVector(dx: abs(velocityVector.dx), dy: abs(velocityVector.dy))
-                startRemovalAnimation(vc, with: animationVector) { [weak self] in
-                    self?.finishRemovalAnimation()
+                if behavior.shouldProjectMomentum(vc, for: targetPosition) || isBottomState {
+                    vc.delegate?.floatingPanelDidEndDraggingToRemove(vc, withVelocity: velocity)
+                    let animationVector = CGVector(dx: abs(velocityVector.dx), dy: abs(velocityVector.dy))
+                    startRemovalAnimation(vc, with: animationVector) { [weak self] in
+                        self?.finishRemovalAnimation()
+                    }
+                    return
                 }
-                return
             }
         }
 

Framework/Sources/FloatingPanelLayout.swift

@@ -402,8 +402,8 @@ class FloatingPanelLayoutAdapter {
         // unsatisfiable constraints
 
         if self.interactiveTopConstraint == nil {
-            // Actiavate `interactiveTopConstraint` for `fitToBounds` mode.
-            // It goes throught this path when the pan gesture state jumps
+            // Activate `interactiveTopConstraint` for `fitToBounds` mode.
+            // It goes through this path when the pan gesture state jumps
             // from .begin to .end.
             startInteraction(at: state)
         }

Framework/Sources/FloatingPanelTransitioning.swift

@@ -47,8 +47,15 @@ class FloatingPanelPresentationController: UIPresentationController {
 
     override func containerViewWillLayoutSubviews() {
         guard
-            let fpc = presentedViewController as? FloatingPanelController
-            else { fatalError() }
+            let fpc = presentedViewController as? FloatingPanelController,
+            /**
+             This condition fixes https://github.com/SCENEE/FloatingPanel/issues/369.
+             The issue is that this method is called in presenting a
+             UIImagePickerViewController and then a FloatingPanelController
+             view is added unnecessarily.
+             */
+            fpc.presentedViewController == nil
+            else { return }
 
         /*
          * Layout the views managed by `FloatingPanelController` here for the

Framework/Sources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.7.5</string>
+	<string>1.7.6</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 </dict>

README.md

@@ -138,13 +138,6 @@ class ViewController: UIViewController, FloatingPanelControllerDelegate {
         // Add and show the views managed by the `FloatingPanelController` object to self.view.
         fpc.addPanel(toParent: self)
     }
-
-    override func viewWillDisappear(_ animated: Bool) {
-        super.viewWillDisappear(animated)
-
-        // Remove the views managed by the `FloatingPanelController` object from self.view.
-        fpc.removePanelFromParent()
-    }
 }
 ```
 
@@ -447,7 +440,7 @@ The feature can be used for these 2 kind panels
 You can disable the pan gesture recognizer directly
 
 ```swift
-fpc.panGestureRecognizer.isEnable = false
+fpc.panGestureRecognizer.isEnabled = false
 ```
 
 Or use this `FloatingPanelControllerDelegate` method.