fixed compiler warnings

Motion.xcodeproj/project.pbxproj

@@ -324,7 +324,7 @@
 		96C98DC81E424AB000B22906 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0930;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = "CosmicMind, Inc.";
 				TargetAttributes = {
 					96C98DD01E424AB000B22906 = {
@@ -336,11 +336,11 @@
 			};
 			buildConfigurationList = 96C98DCB1E424AB000B22906 /* Build configuration list for PBXProject "Motion" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
+				Base,
 			);
 			mainGroup = 96C98DC71E424AB000B22906;
 			productRefGroup = 96C98DD21E424AB000B22906 /* Products */;
@@ -412,6 +412,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
@@ -474,6 +475,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";

Motion.xcodeproj/xcshareddata/xcschemes/Motion.xcscheme

 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Sources/Extensions/Motion+UIView.swift

@@ -49,7 +49,7 @@ fileprivate struct AssociatedInstance {
 
 fileprivate extension UIView {
   /// AssociatedInstance reference.
-  fileprivate var associatedInstance: AssociatedInstance {
+  var associatedInstance: AssociatedInstance {
     get {
       return AssociatedObject.get(base: self, key: &AssociatedInstanceKey) {
         return AssociatedInstance(isEnabled: true, isEnabledForSubviews: true, identifier: nil, animations: nil, modifiers: nil, alpha: nil)

Sources/MotionCAAnimation.swift

@@ -150,7 +150,7 @@ public extension MotionCAAnimation {
    - Parameter xyz: A CGFloat.
    - Returns: A CABasicAnimation.
    */
-  public static func scale(_ xyz: CGFloat) -> CABasicAnimation {
+  static func scale(_ xyz: CGFloat) -> CABasicAnimation {
     let a = CABasicAnimation(keyPath: .scale)
     a.toValue = NSNumber(value: Double(xyz))
     return a
@@ -161,7 +161,7 @@ public extension MotionCAAnimation {
    - Parameter x: A CGFloat.
    - Returns: A CABasicAnimation.
    */
-  public static func scale(x: CGFloat) -> CABasicAnimation {
+  static func scale(x: CGFloat) -> CABasicAnimation {
     let a = CABasicAnimation(keyPath: .scaleX)
     a.toValue = NSNumber(value: Double(x))
     return a
@@ -172,7 +172,7 @@ public extension MotionCAAnimation {
    - Parameter y: A CGFloat.
    - Returns: A CABasicAnimation.
    */
-  public static func scale(y: CGFloat) -> CABasicAnimation {
+  static func scale(y: CGFloat) -> CABasicAnimation {
     let a = CABasicAnimation(keyPath: .scaleY)
     a.toValue = NSNumber(value: Double(y))
     return a
@@ -183,7 +183,7 @@ public extension MotionCAAnimation {
    - Parameter z: A CGFloat.
    - Returns: A CABasicAnimation.
    */
-  public static func scale(z: CGFloat) -> CABasicAnimation {
+  static func scale(z: CGFloat) -> CABasicAnimation {
     let a = CABasicAnimation(keyPath: .scaleZ)
     a.toValue = NSNumber(value: Double(z))
     return a