Merge branch 'release-candidate' into stable

.jazzy.yaml

@@ -1,10 +1,10 @@
 module: MaterialMotion
-module_version: 1.2.0
+module_version: 1.2.1
 sdk: iphonesimulator
 xcodebuild_arguments:
   - -workspace
   - MaterialMotion.xcworkspace
   - -scheme
   - MaterialMotion
 github_url: https://github.com/material-motion/material-motion-swift
-github_file_prefix: https://github.com/material-motion/material-motion-swift/tree/v1.2.0
+github_file_prefix: https://github.com/material-motion/material-motion-swift/tree/v1.2.1

CHANGELOG.md

@@ -1,3 +1,11 @@
+# 1.2.1
+
+This is a patch release resolving a crashing bug when `runtime.shouldVisualizeMotion` was enabled and an `ArcMove` interaction was added to a view without a parent.
+
+## Source changes
+
+* [Use a reasonable fallback when adding visualization views to the runtime container view.](https://github.com/material-motion/reactive-motion-swift/commit/efc790a13783f54ff583296a2a7245597c2dbee2) (Jeff Verkoeyen)
+
 # 1.2.0
 
 This minor release introduces a new operator, `startWith`, which is meant to replace the `initialValue` operator.

MaterialMotion.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
   s.name         = "MaterialMotion"
   s.summary      = "Reactive motion driven by Core Animation."
-  s.version      = "1.2.0"
+  s.version      = "1.2.1"
   s.authors      = "The Material Motion Authors"
   s.license      = "Apache 2.0"
   s.homepage     = "https://github.com/material-motion/material-motion-swift"

Podfile.lock

@@ -3,7 +3,7 @@ PODS:
   - IndefiniteObservable (3.1.0):
     - IndefiniteObservable/lib (= 3.1.0)
   - IndefiniteObservable/lib (3.1.0)
-  - MaterialMotion (1.2.0):
+  - MaterialMotion (1.2.1):
     - IndefiniteObservable (~> 3.0)
 
 DEPENDENCIES:
@@ -17,7 +17,7 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   CatalogByConvention: be55c2263132e4f9f59299ac8a528ee8715b3275
   IndefiniteObservable: 2789d61f487d8d37fa2b9c3153cc44d4447ff744
-  MaterialMotion: 4a4f155a35fce5e1dad7cc838719ef1c9c590dc6
+  MaterialMotion: 599cd0743c60cdb62d7bae2b25bebbc77f6cd9b5
 
 PODFILE CHECKSUM: f503265a0d60526a0d28c96dd4bdcfb40fb562fc
 

src/reactivetypes/ReactiveCALayer.swift

@@ -279,7 +279,11 @@ public func createCoreAnimationProperty<T>(_ name: String, initialValue: T, exte
       lastView.removeFromSuperview()
     }
     view.isUserInteractionEnabled = false
-    view.frame = layer.superlayer!.convert(layer.superlayer!.bounds, to: containerView.layer)
+    if let superlayer = layer.superlayer {
+      view.frame = superlayer.convert(superlayer.bounds, to: containerView.layer)
+    } else {
+      view.frame = containerView.bounds
+    }
     containerView.addSubview(view)
     lastView = view
   }