Merge branch 'Fixes-41'

# Conflicts: # CircleMenuLib/CircleMenu.swift
AppIcon
2018-01-18 14:50:55 +03:00 · 2018-01-18 14:44:40 +03:00 · 2018-01-18 14:43:52 +03:00 · 2018-01-18 14:39:06 +03:00 · 2018-01-18 14:30:17 +03:00 · 2018-01-18 14:28:50 +03:00
15 changed files with 909 additions and 856 deletions
@@ -0,0 +1 @@
+4.0
@@ -1,6 +1,13 @@
-osx_image: xcode8
+osx_image: xcode9.2
 language: objective-c

 xcode_project: CircleMenu.xcodeproj
-xcode_scheme: CircleMenu
-xcode_sdk: iphonesimulator
+scheme: CircleMenu
+xcode_sdk: iphonesimulator11.2
+
+# SWIFT_VERSION: 4.0
+
+# whitelist
+branches:
+only:
+- master
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
  s.name         = 'CircleMenu'
-  s.version      = '2.0.1'
+  s.version      = '3.0.1'
  s.summary      = 'Amazing animation with buttons'
  s.homepage     = 'https://github.com/Ramotion/circle-menu'
  s.license      = 'MIT'
@@ -259,17 +259,17 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 0800;
+				LastUpgradeCheck = 0920;
 				ORGANIZATIONNAME = "Alex K.";
 				TargetAttributes = {
 					8403F5781CFF2C2E007D0BD1 = {
 						CreatedOnToolsVersion = 7.3.1;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 0900;
 					};
 					84F248B21C58E65F008F12C1 = {
 						CreatedOnToolsVersion = 7.2;
 						DevelopmentTeam = 34MUF9YXTA;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 0900;
 					};
 					84F248C61C58E65F008F12C1 = {
 						CreatedOnToolsVersion = 7.2;
@@ -428,7 +428,8 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.CircleMenu;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -452,7 +453,8 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.CircleMenu;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -467,14 +469,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -502,6 +510,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -513,14 +522,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -541,6 +556,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 4.0;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -557,7 +573,8 @@
 				OTHER_SWIFT_FLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.dev;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -573,7 +590,8 @@
 				OTHER_SWIFT_FLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.dev;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@@ -585,7 +603,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.CircleMenuTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/CircleMenu.app/CircleMenu";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/CircleMenuDemo.app/CircleMenuDemo";
 			};
 			name = Debug;
 		};
@@ -597,7 +615,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.CircleMenuTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/CircleMenu.app/CircleMenu";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/CircleMenuDemo.app/CircleMenuDemo";
 			};
 			name = Release;
 		};
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0920"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
      </Testables>
@@ -36,6 +37,7 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
@@ -13,32 +13,9 @@ class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

-
    func application(
-        _ application: UIApplication,
-        didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+        _: UIApplication,
+        didFinishLaunchingWithOptions _: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        return true
    }
-
-    func applicationWillResignActive(_ application: UIApplication) {
-
-    }
-
-    func applicationDidEnterBackground(_ application: UIApplication) {
-
-    }
-
-    func applicationWillEnterForeground(_ application: UIApplication) {
-
-    }
-
-    func applicationDidBecomeActive(_ application: UIApplication) {
-
-    }
-
-    func applicationWillTerminate(_ application: UIApplication) {
-
-    }
-
-
 }
@@ -39,6 +39,11 @@
      "idiom" : "iphone",
      "size" : "60x60",
      "scale" : "3x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
    }
  ],
  "info" : {
@@ -1,7 +1,12 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="8150" systemVersion="15A204g" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
    <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8122"/>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <scenes>
        <!--View Controller-->
@@ -13,15 +18,35 @@
                        <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
                    </layoutGuides>
                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <animations/>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                        <subviews>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2018 Ramotion. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="9MI-zG-4vW">
+                                <rect key="frame" x="16" y="630" width="343" height="17"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                <color key="textColor" red="0.96862745100000003" green="0.96862745100000003" blue="0.96862745100000003" alpha="1" colorSpace="calibratedRGB"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Circle Menu" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="VWz-1T-4Oe">
+                                <rect key="frame" x="123" y="319" width="129" height="30"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="25"/>
+                                <color key="textColor" red="0.96862745100000003" green="0.96862745100000003" blue="0.96862745100000003" alpha="1" colorSpace="calibratedRGB"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" red="0.058823529409999999" green="0.078431372550000003" blue="0.1529411765" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstAttribute="trailing" secondItem="9MI-zG-4vW" secondAttribute="trailing" constant="16" id="0Nd-zV-ifm"/>
+                            <constraint firstItem="VWz-1T-4Oe" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="AUS-9v-IDH"/>
+                            <constraint firstItem="xb3-aO-Qok" firstAttribute="top" secondItem="9MI-zG-4vW" secondAttribute="bottom" constant="20" id="FNC-OT-bh6"/>
+                            <constraint firstItem="9MI-zG-4vW" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" constant="16" id="GKi-1N-UzF"/>
+                            <constraint firstItem="VWz-1T-4Oe" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="j7f-9j-flx"/>
+                        </constraints>
                    </view>
                </viewController>
                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
            </objects>
-            <point key="canvasLocation" x="53" y="375"/>
+            <point key="canvasLocation" x="52" y="374.66266866566718"/>
        </scene>
    </scenes>
 </document>
@@ -26,5 +26,9 @@
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
 	<string>Main</string>
+	<key>UIStatusBarStyle</key>
+	<string>UIStatusBarStyleLightContent</string>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
 </dict>
 </plist>
@@ -9,68 +9,60 @@
 import UIKit

 extension UIColor {
-  static func color(_ red: Int, green: Int, blue: Int, alpha: Float) -> UIColor {
-    return UIColor(
-      colorLiteralRed: Float(1.0) / Float(255.0) * Float(red),
-      green: Float(1.0) / Float(255.0) * Float(green),
-      blue: Float(1.0) / Float(255.0) * Float(blue),
-      alpha: alpha)
-  }
+    static func color(_ red: Int, green: Int, blue: Int, alpha: Float) -> UIColor {
+        return UIColor(
+            red: 1.0 / 255.0 * CGFloat(red),
+            green: 1.0 / 255.0 * CGFloat(green),
+            blue: 1.0 / 255.0 * CGFloat(blue),
+            alpha: CGFloat(alpha))
+    }
 }

 class ViewController: UIViewController, CircleMenuDelegate {
-  
-  //    let colors = [UIColor.redColor(), UIColor.grayColor(), UIColor.greenColor(), UIColor.purpleColor()]
-  let items: [(icon: String, color: UIColor)] = [
-    ("icon_home", UIColor(red:0.19, green:0.57, blue:1, alpha:1)),
-    ("icon_search", UIColor(red:0.22, green:0.74, blue:0, alpha:1)),
-    ("notifications-btn", UIColor(red:0.96, green:0.23, blue:0.21, alpha:1)),
-    ("settings-btn", UIColor(red:0.51, green:0.15, blue:1, alpha:1)),
-    ("nearby-btn", UIColor(red:1, green:0.39, blue:0, alpha:1)),
+
+    //    let colors = [UIColor.redColor(), UIColor.grayColor(), UIColor.greenColor(), UIColor.purpleColor()]
+    let items: [(icon: String, color: UIColor)] = [
+        ("icon_home", UIColor(red: 0.19, green: 0.57, blue: 1, alpha: 1)),
+        ("icon_search", UIColor(red: 0.22, green: 0.74, blue: 0, alpha: 1)),
+        ("notifications-btn", UIColor(red: 0.96, green: 0.23, blue: 0.21, alpha: 1)),
+        ("settings-btn", UIColor(red: 0.51, green: 0.15, blue: 1, alpha: 1)),
+        ("nearby-btn", UIColor(red: 1, green: 0.39, blue: 0, alpha: 1)),
    ]
-  override func viewDidLoad() {
-    super.viewDidLoad()
-    
-    // add button
-    
-    //        let button = CircleMenu(
-    //            frame: CGRect(x: 200, y: 200, width: 50, height: 50),
-    //            normalIcon:"icon_menu",
-    //            selectedIcon:"icon_close",
-    //            buttonsCount: 4,
-    //            duration: 4,
-    //            distance: 120)
-    //        button.backgroundColor = UIColor.lightGrayColor()
-    //        button.delegate = self
-    //        button.layer.cornerRadius = button.frame.size.width / 2.0
-    //        view.addSubview(button)
-    
-  }
-  
-  override func didReceiveMemoryWarning() {
-    super.didReceiveMemoryWarning()
-    // Dispose of any resources that can be recreated.
-  }
-  
-  
-  // MARK: <CircleMenuDelegate>
-  
-  func circleMenu(_ circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int) {
-    button.backgroundColor = items[atIndex].color
-    
-    button.setImage(UIImage(named: items[atIndex].icon), for: .normal)
-    
-    // set highlited image
-    let highlightedImage  = UIImage(named: items[atIndex].icon)?.withRenderingMode(.alwaysTemplate)
-    button.setImage(highlightedImage, for: .highlighted)
-    button.tintColor = UIColor.init(colorLiteralRed: 0, green: 0, blue: 0, alpha: 0.3)
-  }
-  
-  func circleMenu(_ circleMenu: CircleMenu, buttonWillSelected button: UIButton, atIndex: Int) {
-    print("button will selected: \(atIndex)")
-  }
-  
-  func circleMenu(_ circleMenu: CircleMenu, buttonDidSelected button: UIButton, atIndex: Int) {
-    print("button did selected: \(atIndex)")
-  }
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        // add button
+        //        let button = CircleMenu(
+        //            frame: CGRect(x: 200, y: 200, width: 50, height: 50),
+        //            normalIcon:"icon_menu",
+        //            selectedIcon:"icon_close",
+        //            buttonsCount: 4,
+        //            duration: 4,
+        //            distance: 120)
+        //        button.backgroundColor = UIColor.lightGrayColor()
+        //        button.delegate = self
+        //        button.layer.cornerRadius = button.frame.size.width / 2.0
+        //        view.addSubview(button)
+    }
+
+    // MARK: <CircleMenuDelegate>
+
+    func circleMenu(_: CircleMenu, willDisplay button: UIButton, atIndex: Int) {
+        button.backgroundColor = items[atIndex].color
+
+        button.setImage(UIImage(named: items[atIndex].icon), for: .normal)
+
+        // set highlited image
+        let highlightedImage = UIImage(named: items[atIndex].icon)?.withRenderingMode(.alwaysTemplate)
+        button.setImage(highlightedImage, for: .highlighted)
+        button.tintColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.3)
+    }
+
+    func circleMenu(_: CircleMenu, buttonWillSelected _: UIButton, atIndex: Int) {
+        print("button will selected: \(atIndex)")
+    }
+
+    func circleMenu(_: CircleMenu, buttonDidSelected _: UIButton, atIndex: Int) {
+        print("button did selected: \(atIndex)")
+    }
 }
@@ -26,10 +26,9 @@ import UIKit

 // MARK: helpers

-
 func Init<Type>(_ value: Type, block: (_ object: Type) -> Void) -> Type {
-  block(value)
-  return value
+    block(value)
+    return value
 }

 // MARK: Protocol
@@ -38,455 +37,458 @@ func Init<Type>(_ value: Type, block: (_ object: Type) -> Void) -> Type {
 *  CircleMenuDelegate
 */
@objc public protocol CircleMenuDelegate {
-  
-  /**
-   Tells the delegate the circle menu is about to draw a button for a particular index.
-   
-   - parameter circleMenu: The circle menu object informing the delegate of this impending event.
-   - parameter button:     A circle menu button object that circle menu is going to use when drawing the row. Don't change button.tag
-   - parameter atIndex:    An button index.
-   */
-  @objc optional func circleMenu(_ circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int)
-  
-  /**
-   Tells the delegate that a specified index is about to be selected.
-   
-   - parameter circleMenu: A circle menu object informing the delegate about the impending selection.
-   - parameter button:     A selected circle menu button. Don't change button.tag
-   - parameter atIndex:    Selected button index
-   */
-  @objc optional func circleMenu(_ circleMenu: CircleMenu, buttonWillSelected button: UIButton, atIndex: Int)
-  
-  /**
-   Tells the delegate that the specified index is now selected.
-   
-   - parameter circleMenu: A circle menu object informing the delegate about the new index selection.
-   - parameter button:     A selected circle menu button. Don't change button.tag
-   - parameter atIndex:    Selected button index
-   */
-  @objc optional func circleMenu(_ circleMenu: CircleMenu, buttonDidSelected button: UIButton, atIndex: Int)
-  
-  /**
-   Tells the delegate that the menu was collapsed - the cancel action.
-   
-   - parameter circleMenu: A circle menu object informing the delegate about the new index selection.
-   */
-  @objc optional func menuCollapsed(_ circleMenu: CircleMenu)
+
+    /**
+     Tells the delegate the circle menu is about to draw a button for a particular index.
+
+     - parameter circleMenu: The circle menu object informing the delegate of this impending event.
+     - parameter button:     A circle menu button object that circle menu is going to use when drawing the row. Don't change button.tag
+     - parameter atIndex:    An button index.
+     */
+    @objc optional func circleMenu(_ circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int)
+
+    /**
+     Tells the delegate that a specified index is about to be selected.
+
+     - parameter circleMenu: A circle menu object informing the delegate about the impending selection.
+     - parameter button:     A selected circle menu button. Don't change button.tag
+     - parameter atIndex:    Selected button index
+     */
+    @objc optional func circleMenu(_ circleMenu: CircleMenu, buttonWillSelected button: UIButton, atIndex: Int)
+
+    /**
+     Tells the delegate that the specified index is now selected.
+
+     - parameter circleMenu: A circle menu object informing the delegate about the new index selection.
+     - parameter button:     A selected circle menu button. Don't change button.tag
+     - parameter atIndex:    Selected button index
+     */
+    @objc optional func circleMenu(_ circleMenu: CircleMenu, buttonDidSelected button: UIButton, atIndex: Int)
+
+    /**
+     Tells the delegate that the menu was collapsed - the cancel action.
+
+     - parameter circleMenu: A circle menu object informing the delegate about the new index selection.
+     */
+    @objc optional func menuCollapsed(_ circleMenu: CircleMenu)
 }

 // MARK: CircleMenu

 /// A Button object with pop ups buttons
 open class CircleMenu: UIButton {
-  
-  // MARK: properties
-  
-  /// Buttons count
-  @IBInspectable open var buttonsCount: Int = 3
-  /// Circle animation duration
-  @IBInspectable open var duration: Double  = 2
-  /// Distance between center button and buttons
-  @IBInspectable open var distance: Float   = 100
-  /// Delay between show buttons
-  @IBInspectable open var showDelay: Double = 0
-  
-  /// The object that acts as the delegate of the circle menu.
-  @IBOutlet weak open var delegate: AnyObject? //CircleMenuDelegate?
-  
-  var buttons: [UIButton]?
-  weak var platform: UIView?
-  
-  fileprivate var customNormalIconView: UIImageView?
-  fileprivate var customSelectedIconView: UIImageView?
-  
-  /**
-   Initializes and returns a circle menu object.
-   
-   - parameter frame:        A rectangle specifying the initial location and size of the circle menu in its superview’s coordinates.
-   - parameter normalIcon:   The image to use for the specified normal state.
-   - parameter selectedIcon: The image to use for the specified selected state.
-   - parameter buttonsCount: The number of buttons.
-   - parameter duration:     The duration, in seconds, of the animation.
-   - parameter distance:     Distance between center button and sub buttons.
-   
-   - returns: A newly created circle menu.
-   */
-  public init(frame: CGRect,
-              normalIcon: String?,
-              selectedIcon: String?,
-              buttonsCount: Int = 3,
-              duration: Double = 2,
-              distance: Float = 100) {
-    super.init(frame: frame)
-    
-    if let icon = normalIcon {
-      setImage(UIImage(named: icon), for: UIControlState())
-    }
-    
-    if let icon = selectedIcon {
-      setImage(UIImage(named: icon), for: .selected)
-    }
-    
-    self.buttonsCount = buttonsCount
-    self.duration     = duration
-    self.distance     = distance
-    
-    commonInit()
-  }
-  
-  required public init?(coder aDecoder: NSCoder) {
-    super.init(coder: aDecoder)
-    
-    commonInit()
-  }
-  
-  fileprivate func commonInit() {
-    addActions()
-    
-    customNormalIconView = addCustomImageView(state: UIControlState())
-    
-    customSelectedIconView = addCustomImageView(state: .selected)
-    if customSelectedIconView != nil {
-      customSelectedIconView?.alpha = 0
-    }
-    setImage(UIImage(), for: UIControlState())
-    setImage(UIImage(), for: .selected)
-    
-  }
-  
-  // MARK: methods
-  
-  /**
-   Hide button
-   
-   - parameter duration:  The duration, in seconds, of the animation.
-   - parameter hideDelay: The time to delay, in seconds.
-   */
-  open func hideButtons(_ duration: Double, hideDelay: Double = 0) {
-    if buttons == nil {
-      return
-    }
-    
-    buttonsAnimationIsShow(isShow: false, duration: duration, hideDelay: hideDelay)
-    
-    tapBounceAnimation()
-    tapRotatedAnimation(0.3, isSelected: false)
-  }
-  
-  /**
-   Check is sub buttons showed
-   */
-  open func buttonsIsShown() -> Bool {
-    guard let buttons = self.buttons else {
-      return false
-    }
-    
-    for button in buttons {
-      if button.alpha == 0 {
-        return false
-      }
-    }
-    return true
-  }
-  
-  // MARK: create
-  fileprivate func createButtons(platform: UIView) -> [UIButton] {
-    var buttons = [UIButton]()
-    
-    let step: Float = 360.0 / Float(self.buttonsCount)
-    for index in 0..<self.buttonsCount {
-      
-      let angle: Float = Float(index) * step
-      let distance = Float(self.bounds.size.height/2.0)
-      let button = Init(CircleMenuButton(size: self.bounds.size, platform: platform, distance:distance, angle: angle)) {
-        $0.tag = index
-        $0.addTarget(self, action: #selector(CircleMenu.buttonHandler(_:)), for: UIControlEvents.touchUpInside)
-        $0.alpha = 0
-      }
-      buttons.append(button)
-    }
-    return buttons
-  }
-  
-  fileprivate func addCustomImageView(state: UIControlState) -> UIImageView? {
-    guard let image = image(for: state) else {
-      return nil
-    }
-    
-    let iconView = Init(UIImageView(image: image)) {
-      $0.translatesAutoresizingMaskIntoConstraints = false
-      $0.contentMode                               = .center
-      $0.isUserInteractionEnabled                    = false
-    }
-    addSubview(iconView)
-    
-    // added constraints
-    iconView.addConstraint(NSLayoutConstraint(item: iconView, attribute: .height, relatedBy: .equal, toItem: nil,
-                                              attribute: .height, multiplier: 1, constant: bounds.size.height))
-    
-    iconView.addConstraint(NSLayoutConstraint(item: iconView, attribute: .width, relatedBy: .equal, toItem: nil,
-                                              attribute: .width, multiplier: 1, constant: bounds.size.width))
-    
-    addConstraint(NSLayoutConstraint(item: self, attribute: .centerX, relatedBy: .equal, toItem: iconView,
-                                     attribute: .centerX, multiplier: 1, constant:0))
-    
-    addConstraint(NSLayoutConstraint(item: self, attribute: .centerY, relatedBy: .equal, toItem: iconView,
-                                     attribute: .centerY, multiplier: 1, constant:0))
-    
-    return iconView
-  }
-  
-  fileprivate func createPlatform() -> UIView {
-    let platform = Init(UIView(frame: .zero)) {
-      $0.backgroundColor = .clear
-      $0.translatesAutoresizingMaskIntoConstraints = false
-    }
-    superview?.insertSubview(platform, belowSubview: self)
-    
-    // constraints
-    let sizeConstraints = [NSLayoutAttribute.width, .height].map {
-      NSLayoutConstraint(item: platform,
-                         attribute: $0,
-                         relatedBy: .equal,
-                         toItem: nil,
-                         attribute: $0,
-                         multiplier: 1,
-                         constant: CGFloat(distance * Float(2.0)))
-    }
-    platform.addConstraints(sizeConstraints)
-    
-    let centerConstraints = [NSLayoutAttribute.centerX, .centerY].map {
-      NSLayoutConstraint(item: self,
-                         attribute: $0,
-                         relatedBy: .equal,
-                         toItem: platform,
-                         attribute: $0,
-                         multiplier: 1,
-                         constant:0)
-    }
-    superview?.addConstraints(centerConstraints)
-    
-    return platform
-  }
-  
-  // MARK: configure
-  fileprivate func addActions() {
-    self.addTarget(self, action: #selector(CircleMenu.onTap), for: UIControlEvents.touchUpInside)
-  }
-  
-  // MARK: actions
-  
-  func onTap() {
-    if buttonsIsShown() == false {
-      let platform = createPlatform()
-      buttons = createButtons(platform: platform)
-      self.platform = platform
-    }
-    let isShow = !buttonsIsShown()
-    let duration  = isShow ? 0.5 : 0.2
-    buttonsAnimationIsShow(isShow: isShow, duration: duration)
-    
-    tapBounceAnimation()
-    tapRotatedAnimation(0.3, isSelected: isShow)
-  }
-  
-  func buttonHandler(_ sender: CircleMenuButton) {
-    guard let platform = self.platform else { return }

-    delegate?.circleMenu?(self, buttonWillSelected: sender, atIndex: sender.tag)
-    
-    let circle = CircleMenuLoader(radius: CGFloat(distance),
-                                  strokeWidth: bounds.size.height,
-                                  platform: platform,
-                                  color: sender.backgroundColor)
-    
-    if let container = sender.container { // rotation animation
-      sender.rotationAnimation(container.angleZ + 360, duration: duration)
-      container.superview?.bringSubview(toFront: container)
-    }
-    
-    if let buttons = buttons {
-      circle.fillAnimation(duration, startAngle: -90 + Float(360 / buttons.count) * Float(sender.tag)) { [weak self] _ in
-        self?.buttons?.forEach { $0.alpha = 0 }
-      }
-      circle.hideAnimation(0.5, delay: duration) { [weak self] _ in
-        if self?.platform?.superview != nil { self?.platform?.removeFromSuperview() }
-      }
-      
-      hideCenterButton(duration: 0.3)
-      showCenterButton(duration: 0.525, delay: duration)
+    // MARK: properties

-      if customNormalIconView != nil && customSelectedIconView != nil {
-        
-        DispatchQueue.main.asyncAfter(deadline: .now() + duration, execute: {
-          self.delegate?.circleMenu?(self, buttonDidSelected: sender, atIndex: sender.tag)
-        })
-      }
-    }
-  }
-  
-  // MARK: animations
-  
-  fileprivate func buttonsAnimationIsShow(isShow: Bool, duration: Double, hideDelay: Double = 0) {
-    guard let buttons = self.buttons else {
-      return
-    }
-    
-    let step: Float = 360.0 / Float(self.buttonsCount)
-    for index in 0..<self.buttonsCount {
-      guard case let button as CircleMenuButton = buttons[index] else { continue }
-      let angle: Float = Float(index) * step
-      if isShow == true {
-        delegate?.circleMenu?(self, willDisplay: button, atIndex: index)
-        
-        button.rotatedZ(angle: angle, animated: false, delay: Double(index) * showDelay)
-        button.showAnimation(distance: distance, duration: duration, delay: Double(index) * showDelay)
-      } else {
-        button.hideAnimation(
-          distance: Float(self.bounds.size.height / 2.0),
-          duration: duration, delay: hideDelay)
-        self.delegate?.menuCollapsed?(self)
-      }
-    }
-    if isShow == false { // hide buttons and remove
-      self.buttons = nil
+    /// Buttons count
+    @IBInspectable open var buttonsCount: Int = 3
+    /// Circle animation duration
+    @IBInspectable open var duration: Double = 2
+    /// Distance between center button and buttons
+    @IBInspectable open var distance: Float = 100
+    /// Delay between show buttons
+    @IBInspectable open var showDelay: Double = 0

-      DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + duration) {
-        if self.platform?.superview != nil { self.platform?.removeFromSuperview() }
-      }
-    }
-  }
-  
-  fileprivate func tapBounceAnimation() {
-    self.transform = CGAffineTransform(scaleX: 0.9, y: 0.9)
-    UIView.animate(withDuration: 0.5, delay: 0, usingSpringWithDamping: 0.3, initialSpringVelocity: 5,
-                   options: UIViewAnimationOptions.curveLinear,
-                   animations: { () -> Void in
-                    self.transform = CGAffineTransform(scaleX: 1, y: 1)
-      },
-                   completion: nil)
-  }
-  
-  fileprivate func tapRotatedAnimation(_ duration: Float, isSelected: Bool) {
-    
-    let addAnimations: (_ view: UIImageView, _ isShow: Bool) -> () = { (view, isShow) in
-      var toAngle: Float   = 180.0
-      var fromAngle: Float = 0
-      var fromScale        = 1.0
-      var toScale          = 0.2
-      var fromOpacity      = 1
-      var toOpacity        = 0
-      if isShow == true {
-        toAngle     = 0
-        fromAngle   = -180
-        fromScale   = 0.2
-        toScale     = 1.0
-        fromOpacity = 0
-        toOpacity   = 1
-      }
-      
-      let rotation = Init(CABasicAnimation(keyPath: "transform.rotation")) {
-        $0.duration       = TimeInterval(duration)
-        $0.toValue        = (toAngle.degrees)
-        $0.fromValue      = (fromAngle.degrees)
-        $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
-      }
-      let fade = Init(CABasicAnimation(keyPath: "opacity")) {
-        $0.duration            = TimeInterval(duration)
-        $0.fromValue           = fromOpacity
-        $0.toValue             = toOpacity
-        $0.timingFunction      = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
-        $0.fillMode            = kCAFillModeForwards
-        $0.isRemovedOnCompletion = false
-      }
-      let scale = Init(CABasicAnimation(keyPath: "transform.scale")) {
-        $0.duration       = TimeInterval(duration)
-        $0.toValue        = toScale
-        $0.fromValue      = fromScale
-        $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
-      }
-      
-      view.layer.add(rotation, forKey: nil)
-      view.layer.add(fade, forKey: nil)
-      view.layer.add(scale, forKey: nil)
-    }
-    
-    if let customNormalIconView = self.customNormalIconView {
-      addAnimations(customNormalIconView, !isSelected)
-    }
-    if let customSelectedIconView = self.customSelectedIconView {
-      addAnimations(customSelectedIconView, isSelected)
+    /// The object that acts as the delegate of the circle menu.
+    @IBOutlet open var delegate: AnyObject? // CircleMenuDelegate?
+
+    var buttons: [UIButton]?
+    weak var platform: UIView?
+
+    fileprivate var customNormalIconView: UIImageView?
+    fileprivate var customSelectedIconView: UIImageView?
+
+    /**
+     Initializes and returns a circle menu object.
+
+     - parameter frame:        A rectangle specifying the initial location and size of the circle menu in its superview’s coordinates.
+     - parameter normalIcon:   The image to use for the specified normal state.
+     - parameter selectedIcon: The image to use for the specified selected state.
+     - parameter buttonsCount: The number of buttons.
+     - parameter duration:     The duration, in seconds, of the animation.
+     - parameter distance:     Distance between center button and sub buttons.
+
+     - returns: A newly created circle menu.
+     */
+    public init(frame: CGRect,
+                normalIcon: String?,
+                selectedIcon: String?,
+                buttonsCount: Int = 3,
+                duration: Double = 2,
+                distance: Float = 100) {
+        super.init(frame: frame)
+
+        if let icon = normalIcon {
+            setImage(UIImage(named: icon), for: UIControlState())
+        }
+
+        if let icon = selectedIcon {
+            setImage(UIImage(named: icon), for: .selected)
+        }
+
+        self.buttonsCount = buttonsCount
+        self.duration = duration
+        self.distance = distance
+
+        commonInit()
    }

-    self.isSelected = isSelected
-    self.alpha = isSelected ? 0.3 : 1
+    public required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+
+        commonInit()
+    }
+
+    fileprivate func commonInit() {
+        addActions()
+
+        customNormalIconView = addCustomImageView(state: UIControlState())
+
+        customSelectedIconView = addCustomImageView(state: .selected)
+        if customSelectedIconView != nil {
+            customSelectedIconView?.alpha = 0
+        }
+        setImage(UIImage(), for: UIControlState())
+        setImage(UIImage(), for: .selected)
+    }
+
+    // MARK: methods
+
+    /**
+     Hide button
+
+     - parameter duration:  The duration, in seconds, of the animation.
+     - parameter hideDelay: The time to delay, in seconds.
+     */
+    open func hideButtons(_ duration: Double, hideDelay: Double = 0) {
+        if buttons == nil {
+            return
+        }
+
+        buttonsAnimationIsShow(isShow: false, duration: duration, hideDelay: hideDelay)
+
+        tapBounceAnimation()
+        tapRotatedAnimation(0.3, isSelected: false)
+    }
+
+    /**
+     Check is sub buttons showed
+     */
+    open func buttonsIsShown() -> Bool {
+        guard let buttons = self.buttons else {
+            return false
+        }
+
+        for button in buttons {
+            if button.alpha == 0 {
+                return false
+            }
+        }
+        return true
+    }
+
+  open override func removeFromSuperview() {
+    if self.platform?.superview != nil { self.platform?.removeFromSuperview() }
+    super.removeFromSuperview()
  }
  
-  fileprivate func hideCenterButton(duration: Double, delay: Double = 0) {
-    UIView.animate( withDuration: TimeInterval(duration), delay: TimeInterval(delay),
-                    options: UIViewAnimationOptions.curveEaseOut,
-                    animations: { () -> Void in
-                      self.transform = CGAffineTransform(scaleX: 0.001, y: 0.001)
-      }, completion: nil)
-  }
-  
-  fileprivate func showCenterButton(duration: Float, delay: Double) {
-    UIView.animate( withDuration: TimeInterval(duration), delay: TimeInterval(delay), usingSpringWithDamping: 0.78,
-                    initialSpringVelocity: 0, options: UIViewAnimationOptions.curveLinear,
-                    animations: { () -> Void in
-                      self.transform = CGAffineTransform(scaleX: 1, y: 1)
-                      self.alpha     = 1
-      },
-                    completion: nil)
-    
-    let rotation = Init(CASpringAnimation(keyPath: "transform.rotation")) {
-      $0.duration        = TimeInterval(1.5)
-      $0.toValue         = (0)
-      $0.fromValue       = (Float(-180).degrees)
-      $0.damping         = 10
-      $0.initialVelocity = 0
-      $0.beginTime       = CACurrentMediaTime() + delay
+    // MARK: create
+
+    fileprivate func createButtons(platform: UIView) -> [UIButton] {
+        var buttons = [UIButton]()
+
+        let step: Float = 360.0 / Float(buttonsCount)
+        for index in 0 ..< buttonsCount {
+
+            let angle: Float = Float(index) * step
+            let distance = Float(bounds.size.height / 2.0)
+            let button = Init(CircleMenuButton(size: bounds.size, platform: platform, distance: distance, angle: angle)) {
+                $0.tag = index
+                $0.addTarget(self, action: #selector(CircleMenu.buttonHandler(_:)), for: UIControlEvents.touchUpInside)
+                $0.alpha = 0
+            }
+            buttons.append(button)
+        }
+        return buttons
    }
-    
-    let fade = Init(CABasicAnimation(keyPath: "opacity")) {
-      $0.duration            = TimeInterval(0.01)
-      $0.toValue             = 0
-      $0.timingFunction      = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
-      $0.fillMode            = kCAFillModeForwards
-      $0.isRemovedOnCompletion = false
-      $0.beginTime           = CACurrentMediaTime() + delay
+
+    fileprivate func addCustomImageView(state: UIControlState) -> UIImageView? {
+        guard let image = image(for: state) else {
+            return nil
+        }
+
+        let iconView = Init(UIImageView(image: image)) {
+            $0.translatesAutoresizingMaskIntoConstraints = false
+            $0.contentMode = .center
+            $0.isUserInteractionEnabled = false
+        }
+        addSubview(iconView)
+
+        // added constraints
+        iconView.addConstraint(NSLayoutConstraint(item: iconView, attribute: .height, relatedBy: .equal, toItem: nil,
+                                                  attribute: .height, multiplier: 1, constant: bounds.size.height))
+
+        iconView.addConstraint(NSLayoutConstraint(item: iconView, attribute: .width, relatedBy: .equal, toItem: nil,
+                                                  attribute: .width, multiplier: 1, constant: bounds.size.width))
+
+        addConstraint(NSLayoutConstraint(item: self, attribute: .centerX, relatedBy: .equal, toItem: iconView,
+                                         attribute: .centerX, multiplier: 1, constant: 0))
+
+        addConstraint(NSLayoutConstraint(item: self, attribute: .centerY, relatedBy: .equal, toItem: iconView,
+                                         attribute: .centerY, multiplier: 1, constant: 0))
+
+        return iconView
    }
-    let show = Init(CABasicAnimation(keyPath: "opacity")) {
-      $0.duration            = TimeInterval(duration)
-      $0.toValue             = 1
-      $0.timingFunction      = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
-      $0.fillMode            = kCAFillModeForwards
-      $0.isRemovedOnCompletion = false
-      $0.beginTime           = CACurrentMediaTime() + delay
+
+    fileprivate func createPlatform() -> UIView {
+        let platform = Init(UIView(frame: .zero)) {
+            $0.backgroundColor = .clear
+            $0.translatesAutoresizingMaskIntoConstraints = false
+        }
+        superview?.insertSubview(platform, belowSubview: self)
+
+        // constraints
+        let sizeConstraints = [NSLayoutAttribute.width, .height].map {
+            NSLayoutConstraint(item: platform,
+                               attribute: $0,
+                               relatedBy: .equal,
+                               toItem: nil,
+                               attribute: $0,
+                               multiplier: 1,
+                               constant: CGFloat(distance * Float(2.0)))
+        }
+        platform.addConstraints(sizeConstraints)
+
+        let centerConstraints = [NSLayoutAttribute.centerX, .centerY].map {
+            NSLayoutConstraint(item: self,
+                               attribute: $0,
+                               relatedBy: .equal,
+                               toItem: platform,
+                               attribute: $0,
+                               multiplier: 1,
+                               constant: 0)
+        }
+        superview?.addConstraints(centerConstraints)
+
+        return platform
+    }
+
+    // MARK: configure
+
+    fileprivate func addActions() {
+        addTarget(self, action: #selector(CircleMenu.onTap), for: UIControlEvents.touchUpInside)
+    }
+
+    // MARK: actions
+
+    @objc func onTap() {
+        if buttonsIsShown() == false {
+            let platform = createPlatform()
+            buttons = createButtons(platform: platform)
+            self.platform = platform
+        }
+        let isShow = !buttonsIsShown()
+        let duration = isShow ? 0.5 : 0.2
+        buttonsAnimationIsShow(isShow: isShow, duration: duration)
+
+        tapBounceAnimation()
+        tapRotatedAnimation(0.3, isSelected: isShow)
+    }
+
+    @objc func buttonHandler(_ sender: CircleMenuButton) {
+        guard let platform = self.platform else { return }
+
+        delegate?.circleMenu?(self, buttonWillSelected: sender, atIndex: sender.tag)
+
+        let circle = CircleMenuLoader(radius: CGFloat(distance),
+                                      strokeWidth: bounds.size.height,
+                                      platform: platform,
+                                      color: sender.backgroundColor)
+
+        if let container = sender.container { // rotation animation
+            sender.rotationAnimation(container.angleZ + 360, duration: duration)
+            container.superview?.bringSubview(toFront: container)
+        }
+
+        if let buttons = buttons {
+            circle.fillAnimation(duration, startAngle: -90 + Float(360 / buttons.count) * Float(sender.tag)) { [weak self] in
+                self?.buttons?.forEach { $0.alpha = 0 }
+            }
+            circle.hideAnimation(0.5, delay: duration) { [weak self] in
+                if self?.platform?.superview != nil { self?.platform?.removeFromSuperview() }
+            }
+
+            hideCenterButton(duration: 0.3)
+            showCenterButton(duration: 0.525, delay: duration)
+
+            if customNormalIconView != nil && customSelectedIconView != nil {
+
+                DispatchQueue.main.asyncAfter(deadline: .now() + duration, execute: {
+                    self.delegate?.circleMenu?(self, buttonDidSelected: sender, atIndex: sender.tag)
+                })
+            }
+        }
+    }
+
+    // MARK: animations
+
+    fileprivate func buttonsAnimationIsShow(isShow: Bool, duration: Double, hideDelay: Double = 0) {
+        guard let buttons = self.buttons else {
+            return
+        }
+
+        let step: Float = 360.0 / Float(buttonsCount)
+        for index in 0 ..< buttonsCount {
+            guard case let button as CircleMenuButton = buttons[index] else { continue }
+            let angle: Float = Float(index) * step
+            if isShow == true {
+                delegate?.circleMenu?(self, willDisplay: button, atIndex: index)
+
+                button.rotatedZ(angle: angle, animated: false, delay: Double(index) * showDelay)
+                button.showAnimation(distance: distance, duration: duration, delay: Double(index) * showDelay)
+            } else {
+                button.hideAnimation(distance: Float(bounds.size.height / 2.0), duration: duration, delay: hideDelay)
+            }
+        }
+        if isShow == false { // hide buttons and remove
+            self.buttons = nil
+            delegate?.menuCollapsed?(self)
+            DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + duration) {
+                if self.platform?.superview != nil { self.platform?.removeFromSuperview() }
+            }
+        }
+    }
+
+    fileprivate func tapBounceAnimation() {
+        transform = CGAffineTransform(scaleX: 0.9, y: 0.9)
+        UIView.animate(withDuration: 0.5, delay: 0, usingSpringWithDamping: 0.3, initialSpringVelocity: 5,
+                       options: UIViewAnimationOptions.curveLinear,
+                       animations: { () -> Void in
+                           self.transform = CGAffineTransform(scaleX: 1, y: 1)
+                       },
+                       completion: nil)
+    }
+
+    fileprivate func tapRotatedAnimation(_ duration: Float, isSelected: Bool) {
+
+        let addAnimations: (_ view: UIImageView, _ isShow: Bool) -> Void = { view, isShow in
+            var toAngle: Float = 180.0
+            var fromAngle: Float = 0
+            var fromScale = 1.0
+            var toScale = 0.2
+            var fromOpacity = 1
+            var toOpacity = 0
+            if isShow == true {
+                toAngle = 0
+                fromAngle = -180
+                fromScale = 0.2
+                toScale = 1.0
+                fromOpacity = 0
+                toOpacity = 1
+            }
+
+            let rotation = Init(CABasicAnimation(keyPath: "transform.rotation")) {
+                $0.duration = TimeInterval(duration)
+                $0.toValue = (toAngle.degrees)
+                $0.fromValue = (fromAngle.degrees)
+                $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+            }
+            let fade = Init(CABasicAnimation(keyPath: "opacity")) {
+                $0.duration = TimeInterval(duration)
+                $0.fromValue = fromOpacity
+                $0.toValue = toOpacity
+                $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+                $0.fillMode = kCAFillModeForwards
+                $0.isRemovedOnCompletion = false
+            }
+            let scale = Init(CABasicAnimation(keyPath: "transform.scale")) {
+                $0.duration = TimeInterval(duration)
+                $0.toValue = toScale
+                $0.fromValue = fromScale
+                $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+            }
+
+            view.layer.add(rotation, forKey: nil)
+            view.layer.add(fade, forKey: nil)
+            view.layer.add(scale, forKey: nil)
+        }
+
+        if let customNormalIconView = self.customNormalIconView {
+            addAnimations(customNormalIconView, !isSelected)
+        }
+        if let customSelectedIconView = self.customSelectedIconView {
+            addAnimations(customSelectedIconView, isSelected)
+        }
+
+        self.isSelected = isSelected
+        alpha = isSelected ? 0.3 : 1
+    }
+
+    fileprivate func hideCenterButton(duration: Double, delay: Double = 0) {
+        UIView.animate(withDuration: TimeInterval(duration), delay: TimeInterval(delay),
+                       options: UIViewAnimationOptions.curveEaseOut,
+                       animations: { () -> Void in
+                           self.transform = CGAffineTransform(scaleX: 0.001, y: 0.001)
+        }, completion: nil)
+    }
+
+    fileprivate func showCenterButton(duration: Float, delay: Double) {
+        UIView.animate(withDuration: TimeInterval(duration), delay: TimeInterval(delay), usingSpringWithDamping: 0.78,
+                       initialSpringVelocity: 0, options: UIViewAnimationOptions.curveLinear,
+                       animations: { () -> Void in
+                           self.transform = CGAffineTransform(scaleX: 1, y: 1)
+                           self.alpha = 1
+                       },
+                       completion: nil)
+
+        let rotation = Init(CASpringAnimation(keyPath: "transform.rotation")) {
+            $0.duration = TimeInterval(1.5)
+            $0.toValue = 0
+            $0.fromValue = (Float(-180).degrees)
+            $0.damping = 10
+            $0.initialVelocity = 0
+            $0.beginTime = CACurrentMediaTime() + delay
+        }
+
+        let fade = Init(CABasicAnimation(keyPath: "opacity")) {
+            $0.duration = TimeInterval(0.01)
+            $0.toValue = 0
+            $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+            $0.fillMode = kCAFillModeForwards
+            $0.isRemovedOnCompletion = false
+            $0.beginTime = CACurrentMediaTime() + delay
+        }
+        let show = Init(CABasicAnimation(keyPath: "opacity")) {
+            $0.duration = TimeInterval(duration)
+            $0.toValue = 1
+            $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+            $0.fillMode = kCAFillModeForwards
+            $0.isRemovedOnCompletion = false
+            $0.beginTime = CACurrentMediaTime() + delay
+        }
+
+        customNormalIconView?.layer.add(rotation, forKey: nil)
+        customNormalIconView?.layer.add(show, forKey: nil)
+
+        customSelectedIconView?.layer.add(fade, forKey: nil)
    }
-    
-    customNormalIconView?.layer.add(rotation, forKey: nil)
-    customNormalIconView?.layer.add(show, forKey: nil)
-    
-    customSelectedIconView?.layer.add(fade, forKey: nil)
-  }
 }

 // MARK: extension

 internal extension Float {
-  var radians: Float {
-    return self * (Float(180) / Float(M_PI))
-  }
-  
-  var degrees: Float {
-    return self  * Float(M_PI) / 180.0
-  }
+    var radians: Float {
+        return self * (Float(180) / Float.pi)
+    }
+
+    var degrees: Float {
+        return self * Float.pi / 180.0
+    }
 }

 internal extension UIView {
-  
-  var angleZ: Float {
-    return atan2(Float(self.transform.b), Float(self.transform.a)).radians
-  }
+
+    var angleZ: Float {
+        return atan2(Float(transform.b), Float(transform.a)).radians
+    }
 }
@@ -24,186 +24,187 @@
 import UIKit

 internal class CircleMenuButton: UIButton {
-  
-  // MARK: properties
-  weak var container: UIView?

-  
-  // MARK: life cycle
-  
-  init(size: CGSize, platform: UIView, distance: Float, angle: Float = 0) {
-    super.init(frame: CGRect(origin: CGPoint(x: 0, y: 0), size: size))
-    
-    self.backgroundColor = UIColor(colorLiteralRed: 0.79, green: 0.24, blue: 0.27, alpha: 1)
-    self.layer.cornerRadius = size.height / 2.0
-    
-    let aContainer = createContainer(CGSize(width: size.width, height:CGFloat(distance)), platform: platform)
-    
-    // hack view for rotate
-    let view = UIView(frame: CGRect(x: 0, y: 0, width: self.bounds.width, height: self.bounds.height))
-    view.backgroundColor = UIColor.clear
-    view.addSubview(self)
-    //...
-    
-    aContainer.addSubview(view)
-    container = aContainer
-    
-    view.layer.transform = CATransform3DMakeRotation(-CGFloat(angle.degrees), 0, 0, 1)
-    
-    self.rotatedZ(angle: angle, animated: false)
-  }
-  
-  required internal init?(coder aDecoder: NSCoder) {
-    fatalError("init(coder:) has not been implemented")
-  }
-  
-  // MARK: configure
-  fileprivate func createContainer(_ size: CGSize, platform: UIView) -> UIView {
-    let container = Init(UIView(frame: CGRect(origin: CGPoint(x: 0, y: 0), size: size))) {
-      $0.backgroundColor                           = UIColor.clear
-      $0.translatesAutoresizingMaskIntoConstraints = false
-      $0.layer.anchorPoint                         = CGPoint(x: 0.5, y: 1)
+    // MARK: properties
+
+    weak var container: UIView?
+
+    // MARK: life cycle
+
+    init(size: CGSize, platform: UIView, distance: Float, angle: Float = 0) {
+        super.init(frame: CGRect(origin: CGPoint(x: 0, y: 0), size: size))
+
+        backgroundColor = UIColor(red: 0.79, green: 0.24, blue: 0.27, alpha: 1)
+        layer.cornerRadius = size.height / 2.0
+
+        let aContainer = createContainer(CGSize(width: size.width, height: CGFloat(distance)), platform: platform)
+
+        // hack view for rotate
+        let view = UIView(frame: CGRect(x: 0, y: 0, width: bounds.width, height: bounds.height))
+        view.backgroundColor = UIColor.clear
+        view.addSubview(self)
+        // ...
+
+        aContainer.addSubview(view)
+        container = aContainer
+
+        view.layer.transform = CATransform3DMakeRotation(-CGFloat(angle.degrees), 0, 0, 1)
+
+        rotatedZ(angle: angle, animated: false)
    }
-    platform.addSubview(container)
-    
-    // added constraints
-    let height = NSLayoutConstraint(item: container,
-                                    attribute: .height,
-                                    relatedBy: .equal,
-                                    toItem: nil,
-                                    attribute: .height,
-                                    multiplier: 1,
-                                    constant: size.height)
-    height.identifier = "height"
-    container.addConstraint(height)
-    
-    container.addConstraint(NSLayoutConstraint(item: container,
-                                               attribute: .width,
-                                               relatedBy: .equal,
-                                               toItem: nil,
-                                               attribute: .width,
-                                               multiplier: 1,
-                                               constant: size.width))
-    
-    platform.addConstraint(NSLayoutConstraint(item: platform,
-                                              attribute: .centerX,
-                                              relatedBy: .equal,
-                                              toItem: container,
-                                              attribute: .centerX,
-                                              multiplier: 1,
-                                              constant:0))
-    
-    platform.addConstraint(NSLayoutConstraint(item: platform,
-                                              attribute: .centerY,
-                                              relatedBy: .equal,
-                                              toItem: container,
-                                              attribute: .centerY,
-                                              multiplier: 1,
-                                              constant:0))
-    
-    return container
-  }
-  
-  // MARK: methods
-  
-  internal func rotatedZ(angle: Float, animated: Bool, duration: Double = 0, delay: Double = 0) {
-    guard let container = self.container else {
-      fatalError("contaner don't create")
+
+    internal required init?(coder _: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
    }
-    
-    let rotateTransform = CATransform3DMakeRotation(CGFloat(angle.degrees), 0, 0, 1)
-    if animated {
-      UIView.animate(
-        withDuration: duration,
-        delay: delay,
-        options: UIViewAnimationOptions(),
-        animations: { () -> Void in
-          container.layer.transform = rotateTransform
-        },
-        completion: nil)
-    } else {
-      container.layer.transform = rotateTransform
+
+    // MARK: configure
+
+    fileprivate func createContainer(_ size: CGSize, platform: UIView) -> UIView {
+        let container = Init(UIView(frame: CGRect(origin: CGPoint(x: 0, y: 0), size: size))) {
+            $0.backgroundColor = UIColor.clear
+            $0.translatesAutoresizingMaskIntoConstraints = false
+            $0.layer.anchorPoint = CGPoint(x: 0.5, y: 1)
+        }
+        platform.addSubview(container)
+
+        // added constraints
+        let height = NSLayoutConstraint(item: container,
+                                        attribute: .height,
+                                        relatedBy: .equal,
+                                        toItem: nil,
+                                        attribute: .height,
+                                        multiplier: 1,
+                                        constant: size.height)
+        height.identifier = "height"
+        container.addConstraint(height)
+
+        container.addConstraint(NSLayoutConstraint(item: container,
+                                                   attribute: .width,
+                                                   relatedBy: .equal,
+                                                   toItem: nil,
+                                                   attribute: .width,
+                                                   multiplier: 1,
+                                                   constant: size.width))
+
+        platform.addConstraint(NSLayoutConstraint(item: platform,
+                                                  attribute: .centerX,
+                                                  relatedBy: .equal,
+                                                  toItem: container,
+                                                  attribute: .centerX,
+                                                  multiplier: 1,
+                                                  constant: 0))
+
+        platform.addConstraint(NSLayoutConstraint(item: platform,
+                                                  attribute: .centerY,
+                                                  relatedBy: .equal,
+                                                  toItem: container,
+                                                  attribute: .centerY,
+                                                  multiplier: 1,
+                                                  constant: 0))
+
+        return container
+    }
+
+    // MARK: methods
+
+    internal func rotatedZ(angle: Float, animated: Bool, duration: Double = 0, delay: Double = 0) {
+        guard let container = self.container else {
+            fatalError("contaner don't create")
+        }
+
+        let rotateTransform = CATransform3DMakeRotation(CGFloat(angle.degrees), 0, 0, 1)
+        if animated {
+            UIView.animate(
+                withDuration: duration,
+                delay: delay,
+                options: UIViewAnimationOptions(),
+                animations: { () -> Void in
+                    container.layer.transform = rotateTransform
+                },
+                completion: nil)
+        } else {
+            container.layer.transform = rotateTransform
+        }
    }
-  }
 }

 // MARK: Animations

 internal extension CircleMenuButton {
-  
-  internal func showAnimation(distance: Float, duration: Double, delay: Double = 0) {
-    guard let heightConstraint = (self.container?.constraints.filter {$0.identifier == "height"})?.first else {
-      fatalError()
-    }
-    
-    self.transform = CGAffineTransform(scaleX: 0, y: 0)
-    self.container?.superview?.layoutIfNeeded()
-    
-    self.alpha = 0
-    
-    heightConstraint.constant = CGFloat(distance)
-    UIView.animate(
-      withDuration: duration,
-      delay: delay,
-      usingSpringWithDamping: 0.7,
-      initialSpringVelocity: 0,
-      options: UIViewAnimationOptions.curveLinear,
-      animations: { () -> Void in
-        self.container?.superview?.layoutIfNeeded()
-        self.transform = CGAffineTransform(scaleX: 1.0, y: 1.0)
-        self.alpha = 1
-      }, completion: { (success) -> Void in
-    })
-  }
-  
-  internal func hideAnimation(distance: Float, duration: Double, delay: Double = 0) {
-    guard let heightConstraint = (self.container?.constraints.filter {$0.identifier == "height"})?.first else {
-      fatalError()
-    }
-    
-    heightConstraint.constant = CGFloat(distance)
-    UIView.animate(
-      withDuration: duration,
-      delay: delay,
-      options: UIViewAnimationOptions.curveEaseIn,
-      animations: { () -> Void in
-        self.container?.superview?.layoutIfNeeded()
-        self.transform = CGAffineTransform(scaleX: 0.01, y: 0.01)
-      }, completion: { (success) -> Void in
-        self.alpha = 0
-        
-        if let _ = self.container {
-          self.container?.removeFromSuperview() // remove container
+
+    internal func showAnimation(distance: Float, duration: Double, delay: Double = 0) {
+        guard let heightConstraint = (self.container?.constraints.filter { $0.identifier == "height" })?.first else {
+            fatalError()
        }
-    })
-  }
-  
-  internal func changeDistance(_ distance: CGFloat, animated: Bool, duration: Double = 0, delay: Double = 0) {
-    
-    guard let heightConstraint = (self.container?.constraints.filter {$0.identifier == "height"})?.first else {
-      fatalError()
+
+        transform = CGAffineTransform(scaleX: 0, y: 0)
+        container?.superview?.layoutIfNeeded()
+
+        alpha = 0
+
+        heightConstraint.constant = CGFloat(distance)
+        UIView.animate(
+            withDuration: duration,
+            delay: delay,
+            usingSpringWithDamping: 0.7,
+            initialSpringVelocity: 0,
+            options: UIViewAnimationOptions.curveLinear,
+            animations: { () -> Void in
+                self.container?.superview?.layoutIfNeeded()
+                self.transform = CGAffineTransform(scaleX: 1.0, y: 1.0)
+                self.alpha = 1
+            }, completion: { (_) -> Void in
+        })
    }
-    
-    heightConstraint.constant = distance
-    
-    UIView.animate(
-      withDuration: duration,
-      delay: delay,
-      options: UIViewAnimationOptions.curveEaseIn,
-      animations: { () -> Void in
-        self.container?.superview?.layoutIfNeeded()
-      },
-      completion: nil)
-  }
-  
-  // MARK: layer animation
-  
-  internal func rotationAnimation(_ angle: Float, duration: Double) {
-    let rotation = Init(CABasicAnimation(keyPath: "transform.rotation")) {
-      $0.duration       = TimeInterval(duration)
-      $0.toValue        = (angle.degrees)
-      $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+
+    internal func hideAnimation(distance: Float, duration: Double, delay: Double = 0) {
+        guard let heightConstraint = (self.container?.constraints.filter { $0.identifier == "height" })?.first else {
+            return
+        }
+
+        heightConstraint.constant = CGFloat(distance)
+        UIView.animate(
+            withDuration: duration,
+            delay: delay,
+            options: UIViewAnimationOptions.curveEaseIn,
+            animations: { () -> Void in
+                self.container?.superview?.layoutIfNeeded()
+                self.transform = CGAffineTransform(scaleX: 0.01, y: 0.01)
+            }, completion: { (_) -> Void in
+                self.alpha = 0
+
+                if let _ = self.container {
+                    self.container?.removeFromSuperview() // remove container
+                }
+        })
+    }
+
+    internal func changeDistance(_ distance: CGFloat, animated _: Bool, duration: Double = 0, delay: Double = 0) {
+
+        guard let heightConstraint = (self.container?.constraints.filter { $0.identifier == "height" })?.first else {
+            fatalError()
+        }
+
+        heightConstraint.constant = distance
+
+        UIView.animate(
+            withDuration: duration,
+            delay: delay,
+            options: UIViewAnimationOptions.curveEaseIn,
+            animations: { () -> Void in
+                self.container?.superview?.layoutIfNeeded()
+            },
+            completion: nil)
+    }
+
+    // MARK: layer animation
+
+    internal func rotationAnimation(_ angle: Float, duration: Double) {
+        let rotation = Init(CABasicAnimation(keyPath: "transform.rotation")) {
+            $0.duration = TimeInterval(duration)
+            $0.toValue = (angle.degrees)
+            $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+        }
+        container?.layer.add(rotation, forKey: "rotation")
    }
-    container?.layer.add(rotation, forKey: "rotation")
-  }
 }
@@ -26,134 +26,137 @@ import Foundation
 import UIKit

 internal class CircleMenuLoader: UIView {
-  
-  // MARK: properties
-  var circle: CAShapeLayer?
-  
-  // MARK: life cycle
-  internal init(radius: CGFloat, strokeWidth: CGFloat, platform: UIView, color: UIColor?) {
-    super.init(frame: CGRect(x: 0, y: 0, width: radius, height: radius))
-    
-    platform.addSubview(self)
-    
-    circle = createCircle(radius, strokeWidth: strokeWidth, color: color)
-    createConstraints(platform: platform, radius: radius)
-    
-    let circleFrame = CGRect(
-      x: radius * 2 - strokeWidth,
-      y: radius - strokeWidth / 2,
-      width: strokeWidth,
-      height: strokeWidth)
-    createRoundView(circleFrame, color: color)
-    
-    backgroundColor = UIColor.clear
-  }
-  
-  required internal init?(coder aDecoder: NSCoder) {
-    fatalError("init(coder:) has not been implemented")
-  }
-  
-  // MARK: create
-  fileprivate func createCircle(_ radius: CGFloat, strokeWidth: CGFloat, color: UIColor?) -> CAShapeLayer {
-    
-    let circlePath = UIBezierPath(
-      arcCenter: CGPoint(x: radius, y: radius),
-      radius: CGFloat(radius) - strokeWidth / 2.0,
-      startAngle: CGFloat(0),
-      endAngle:CGFloat(M_PI * 2),
-      clockwise: true)
-    
-    let circle = Init(CAShapeLayer()) {
-      $0.path        = circlePath.cgPath
-      $0.fillColor   = UIColor.clear.cgColor
-      $0.strokeColor = color?.cgColor
-      $0.lineWidth   = strokeWidth
+
+    // MARK: properties
+
+    var circle: CAShapeLayer?
+
+    // MARK: life cycle
+
+    internal init(radius: CGFloat, strokeWidth: CGFloat, platform: UIView, color: UIColor?) {
+        super.init(frame: CGRect(x: 0, y: 0, width: radius, height: radius))
+
+        platform.addSubview(self)
+
+        circle = createCircle(radius, strokeWidth: strokeWidth, color: color)
+        createConstraints(platform: platform, radius: radius)
+
+        let circleFrame = CGRect(
+            x: radius * 2 - strokeWidth,
+            y: radius - strokeWidth / 2,
+            width: strokeWidth,
+            height: strokeWidth)
+        createRoundView(circleFrame, color: color)
+
+        backgroundColor = UIColor.clear
    }
-    
-    self.layer.addSublayer(circle)
-    return circle
-  }
-  
-  fileprivate func createConstraints(platform: UIView, radius: CGFloat) {
-    
-    translatesAutoresizingMaskIntoConstraints = false
-    // added constraints
-    let sizeConstraints = [NSLayoutAttribute.width, .height].map {
-      NSLayoutConstraint(item: self,
-                         attribute: $0,
-                         relatedBy: .equal,
-                         toItem: nil,
-                         attribute: $0,
-                         multiplier: 1,
-                         constant: radius * 2.0)
+
+    internal required init?(coder _: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
    }
-    addConstraints(sizeConstraints)
-    
-    let centerConstaraints = [NSLayoutAttribute.centerY, .centerX].map {
-      NSLayoutConstraint(item: platform,
-                         attribute: $0,
-                         relatedBy: .equal,
-                         toItem: self,
-                         attribute: $0,
-                         multiplier: 1,
-                         constant:0)
+
+    // MARK: create
+
+    fileprivate func createCircle(_ radius: CGFloat, strokeWidth: CGFloat, color: UIColor?) -> CAShapeLayer {
+
+        let circlePath = UIBezierPath(
+            arcCenter: CGPoint(x: radius, y: radius),
+            radius: CGFloat(radius) - strokeWidth / 2.0,
+            startAngle: CGFloat(0),
+            endAngle: CGFloat.pi * 2,
+            clockwise: true)
+
+        let circle = Init(CAShapeLayer()) {
+            $0.path = circlePath.cgPath
+            $0.fillColor = UIColor.clear.cgColor
+            $0.strokeColor = color?.cgColor
+            $0.lineWidth = strokeWidth
+        }
+
+        layer.addSublayer(circle)
+        return circle
    }
-    platform.addConstraints(centerConstaraints)
-  }
-  
-  internal func createRoundView(_ rect: CGRect, color: UIColor?) {
-    let roundView = Init(UIView(frame: rect)) {
-      $0.backgroundColor = UIColor.black
-      $0.layer.cornerRadius = rect.size.width / 2.0
-      $0.backgroundColor = color
+
+    fileprivate func createConstraints(platform: UIView, radius: CGFloat) {
+
+        translatesAutoresizingMaskIntoConstraints = false
+        // added constraints
+        let sizeConstraints = [NSLayoutAttribute.width, .height].map {
+            NSLayoutConstraint(item: self,
+                               attribute: $0,
+                               relatedBy: .equal,
+                               toItem: nil,
+                               attribute: $0,
+                               multiplier: 1,
+                               constant: radius * 2.0)
+        }
+        addConstraints(sizeConstraints)
+
+        let centerConstaraints = [NSLayoutAttribute.centerY, .centerX].map {
+            NSLayoutConstraint(item: platform,
+                               attribute: $0,
+                               relatedBy: .equal,
+                               toItem: self,
+                               attribute: $0,
+                               multiplier: 1,
+                               constant: 0)
+        }
+        platform.addConstraints(centerConstaraints)
    }
-    addSubview(roundView)
-  }
-  
-  // MARK: animations
-  
-  internal func fillAnimation(_ duration: Double, startAngle: Float, completion: @escaping () -> Void) {
-    guard circle != nil else {
-      return
+
+    internal func createRoundView(_ rect: CGRect, color: UIColor?) {
+        let roundView = Init(UIView(frame: rect)) {
+            $0.backgroundColor = UIColor.black
+            $0.layer.cornerRadius = rect.size.width / 2.0
+            $0.backgroundColor = color
+        }
+        addSubview(roundView)
    }
-    
-    let rotateTransform = CATransform3DMakeRotation(CGFloat(startAngle.degrees), 0, 0, 1)
-    layer.transform = rotateTransform
-    
-    CATransaction.begin()
-    CATransaction.setCompletionBlock(completion)
-    let animation = Init(CABasicAnimation(keyPath: "strokeEnd")) {
-      $0.duration       = CFTimeInterval(duration)
-      $0.fromValue      = (0)
-      $0.toValue        = (1)
-      $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+
+    // MARK: animations
+
+    internal func fillAnimation(_ duration: Double, startAngle: Float, completion: @escaping () -> Void) {
+        guard circle != nil else {
+            return
+        }
+
+        let rotateTransform = CATransform3DMakeRotation(CGFloat(startAngle.degrees), 0, 0, 1)
+        layer.transform = rotateTransform
+
+        CATransaction.begin()
+        CATransaction.setCompletionBlock(completion)
+        let animation = Init(CABasicAnimation(keyPath: "strokeEnd")) {
+            $0.duration = CFTimeInterval(duration)
+            $0.fromValue = 0
+            $0.toValue = 1
+            $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+        }
+        circle?.add(animation, forKey: nil)
+        CATransaction.commit()
    }
-    circle?.add(animation, forKey: nil)
-    CATransaction.commit()
-  }
-  
-  internal func hideAnimation(_ duration: CGFloat, delay: Double, completion: @escaping () -> Void) {
-    
-    let scale = Init(CABasicAnimation(keyPath: "transform.scale")) {
-      $0.toValue             = 1.2
-      $0.duration            = CFTimeInterval(duration)
-      $0.fillMode            = kCAFillModeForwards
-      $0.isRemovedOnCompletion = false
-      $0.timingFunction      = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseOut)
-      $0.beginTime           = CACurrentMediaTime() + delay
+
+    internal func hideAnimation(_ duration: CGFloat, delay: Double, completion: @escaping () -> Void) {
+
+        let scale = Init(CABasicAnimation(keyPath: "transform.scale")) {
+            $0.toValue = 1.2
+            $0.duration = CFTimeInterval(duration)
+            $0.fillMode = kCAFillModeForwards
+            $0.isRemovedOnCompletion = false
+            $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseOut)
+            $0.beginTime = CACurrentMediaTime() + delay
+        }
+        layer.add(scale, forKey: nil)
+
+        UIView.animate(
+            withDuration: CFTimeInterval(duration),
+            delay: delay,
+            options: UIViewAnimationOptions.curveEaseIn,
+            animations: { () -> Void in
+                self.alpha = 0
+            },
+            completion: { (_) -> Void in
+                self.removeFromSuperview()
+                completion()
+        })
    }
-    layer.add(scale, forKey: nil)
-    
-    UIView.animate(
-      withDuration: CFTimeInterval(duration),
-      delay: delay,
-      options: UIViewAnimationOptions.curveEaseIn,
-      animations: { () -> Void in
-        self.alpha = 0
-      },
-      completion: { (success) -> Void in
-        self.removeFromSuperview()
-        completion()
-    })
-  }
 }
@@ -6,25 +6,23 @@
 //  Copyright © 2016 Alex K. All rights reserved.
 //

-import XCTest
-
@testable import CircleMenu
+import XCTest

 class CircleMenuTests: XCTestCase {

    let buttonsCount = 4

    let circleMenu = CircleMenu(
-                    frame: CGRect(x: 200, y: 200, width: 50, height: 50),
-                    normalIcon:"icon_menu",
-                    selectedIcon:"icon_close",
-                    buttonsCount: 4,
-                    duration: 4,
-                    distance: 120)
+        frame: CGRect(x: 200, y: 200, width: 50, height: 50),
+        normalIcon: "icon_menu",
+        selectedIcon: "icon_close",
+        buttonsCount: 4,
+        duration: 4,
+        distance: 120)

    let view = UIView()

-
    override func setUp() {
        super.setUp()
        circleMenu.buttonsCount = buttonsCount
@@ -33,7 +31,6 @@ class CircleMenuTests: XCTestCase {

    override func tearDown() {
        super.tearDown()
-
    }

    func testCircleMenuShowButtons() {
@@ -47,7 +44,6 @@ class CircleMenuTests: XCTestCase {
        XCTAssertEqual(circleMenu.buttons?.count, buttonsCount, "button is created")
    }

-
    func testCircleMenuHideButtons() {
        // given
        circleMenu.onTap()
@@ -59,7 +55,6 @@ class CircleMenuTests: XCTestCase {
        XCTAssertNil(circleMenu.buttons, "button is removed")
    }

-
    func testCircleMenuHideButtonsAfterAnimation() {
        // given
        circleMenu.onTap()
@@ -1,4 +1,6 @@
-[![header](./header.png)](https://business.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu-logo)
+![header](./header.png)
+![preview](./preview.gif)
+
 # CircleMenu
 [![Twitter](https://img.shields.io/badge/Twitter-@Ramotion-blue.svg?style=flat)](http://twitter.com/Ramotion)
 [![CocoaPods](https://img.shields.io/cocoapods/p/CircleMenu.svg)](https://cocoapods.org/pods/CircleMenu)
@@ -8,19 +10,29 @@
 [![codebeat badge](https://codebeat.co/badges/6f67da5d-c416-4bac-9fb7-c2dc938feedc)](https://codebeat.co/projects/github-com-ramotion-circle-menu)
 [![Travis](https://img.shields.io/travis/Ramotion/circle-menu.svg)](https://travis-ci.org/Ramotion/circle-menu)

-## About
-This project is maintained by Ramotion, Inc.<br>
-We specialize in the designing and coding of custom UI for Mobile Apps and Websites.<br><br>**Looking for developers for your project?** [[▶︎CONTACT OUR TEAM◀︎](http://business.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu-contact-us/#Get_in_Touch)]
+# Check this library on other platforms:
+<a href="https://github.com/Ramotion/circle-menu-android"> 
+<img src="https://github.com/ramotion/navigation-stack/raw/master/Android_Java@2x.png" width="178" height="81"></a>
+<a href="https://github.com/Ramotion/react-native-circle-menu"> 
+<img src="https://github.com/ramotion/navigation-stack/raw/master/React Native@2x.png" width="178" height="81"></a>

-[![preview](./preview.gif)](https://dribbble.com/shots/2534780-Circle-Menu-Swift-Open-Source)
+**Looking for developers for your project?**<br>
+This project is maintained by Ramotion, Inc. We specialize in the designing and coding of custom UI for Mobile Apps and Websites.
+
+<a href="https://ramotion.com/?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu-contact-us/#Get_in_Touch">
+<img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a> <br>


-The [iPhone mockup](https://store.ramotion.com/product/iphone-6-mockups?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu) available [here](https://store.ramotion.com/product/iphone-6-mockups?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu).
+The [iPhone mockup](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu) available [here](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu).
+
+## Try this UI control in action
+
+<a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=gthb-circle-menu&mt=8" > <img src="https://github.com/Ramotion/navigation-stack/raw/master/Download_on_the_App_Store_Badge_US-UK_135x40.png" width="170" height="58"></a>

 ## Requirements

- iOS 8.0+
- Xcode 7.3
+- iOS 9.0+
+- Xcode 9.0.1

 ## Installation

@@ -29,8 +41,7 @@ Just add CircleMenuLib folder to your project.
 or use [CocoaPods](https://cocoapods.org) with Podfile:

 ```ruby
-pod 'CircleMenu', '~> 2.0.1' swift 3
-pod 'CircleMenu', '~> 1.0.7' swift 2
+pod 'CircleMenu'
 ```
 or [Carthage](https://github.com/Carthage/Carthage) users can simply add to their `Cartfile`:
 ```
@@ -48,7 +59,7 @@ github "Ramotion/circle-menu"
 3) Use delegate method to configure buttons

 ```swift
-func circleMenu(circleMenu: CircleMenu, willDisplay button: CircleMenuButton, atIndex: Int)
+func circleMenu(circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int)
 ```

 4) Use properties to confiure CircleMenu
@@ -78,13 +89,13 @@ view.addSubview(button)

 ```swift
 // configure buttons
-optional func circleMenu(circleMenu: CircleMenu, willDisplay button: CircleMenuButton, atIndex: Int)
+optional func circleMenu(circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int)

 // call before animation
-optional func circleMenu(circleMenu: CircleMenu, buttonWillSelected button: CircleMenuButton, atIndex: Int)
+optional func circleMenu(circleMenu: CircleMenu, buttonWillSelected button: UIButton, atIndex: Int)

 // call after animation
-optional func circleMenu(circleMenu: CircleMenu, buttonDidSelected button: CircleMenuButton, atIndex: Int)
+optional func circleMenu(circleMenu: CircleMenu, buttonDidSelected button: UIButton, atIndex: Int)

 // call upon cancel of the menu
 optional func menuCollapsed(circleMenu: CircleMenu)
@@ -94,8 +105,18 @@ optional func menuCollapsed(circleMenu: CircleMenu)

 Circle menu is released under the MIT license.
 See [LICENSE](./LICENSE) for details.
+<br>

-## Folow us
+# Get the Showroom App for iOS and Android to give it a try
+Try this UI component and more like this in our mobile app. Contact us if interested.

+<a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=circle-menu&mt=8" >
+<img src="https://github.com/ramotion/gliding-collection/raw/master/app_store@2x.png" width="117" height="34"></a>
+<a href="https://ramotion.com/?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu-contact-us/#Get_in_Touch">
+<img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
+<br>
+<br>
+
+Follow us for the latest updates<br>
 [![Twitter URL](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=https://github.com/ramotion/circle-menu)
 [![Twitter Follow](https://img.shields.io/twitter/follow/ramotion.svg?style=social)](https://twitter.com/ramotion)
Author	SHA1	Message	Date
Alex K	7254460f60	Merge branch 'Fixes-41' # Conflicts: # CircleMenuLib/CircleMenu.swift	2018-01-18 14:50:55 +03:00
Alex K	9dd5b4c82d	AppIcon	2018-01-18 14:44:40 +03:00
Alex K	81c4a16180	Fixes #41	2018-01-18 14:43:52 +03:00
i.kolpachkov	4e55227fee	add swift version file	2018-01-18 14:39:06 +03:00
i.kolpachkov	3aec47f892	bump pod version	2018-01-18 14:30:17 +03:00
i.kolpachkov	b9769e418b	code cleanup, update swift format, launch screen UI	2018-01-18 14:28:50 +03:00
i.kolpachkov	b29b6ed033	fixed #17	2018-01-18 14:14:58 +03:00
i.kolpachkov	69e60152c8	fix warnings, update travis build config	2018-01-18 13:59:40 +03:00
Juri Vasylenko	2d2097033d	Update README.md	2017-11-11 19:01:38 +03:00
Juri Vasylenko	2e7943b049	Update README.md	2017-11-11 18:35:42 +03:00
Alex K	ef8abb6499	update podspec and readme	2017-10-23 18:07:33 +03:00
Alex K	d9e9afcc8b	Fixes #40	2017-10-23 17:56:58 +03:00
Travis CI	9b0d1eded6	reorganize readme	2017-07-28 12:25:28 +03:00
Alex	ec8c1424b3	Update README.md	2017-06-27 11:49:38 +03:00
Alex	dd75a83797	Merge pull request #38 from younatics/master Moving fast, it happend	2017-05-22 09:44:29 +03:00
Seungyoun Yi	774cb1cf64	Moving fast, it happend	2017-05-21 12:27:16 +09:00
Alex K	c4cf9482bf	update podspec	2017-05-05 11:23:16 +03:00
Alex K	b64cda5541	Fix warnings	2017-05-05 11:22:32 +03:00
Alex K	06df7ff2b1	Update pod spec	2017-05-05 11:15:24 +03:00
RamotionRussell	ea82aeff84	Update README.md	2017-05-05 10:05:14 +03:00
RamotionRussell	69b65edc06	Remove false statement of support for iOS8	2017-05-02 12:46:38 +03:00
Alex Mikhnev	1604f89c72	Update README.md	2017-03-10 19:49:17 +03:00
Juri Vasylenko	d8d7eaf528	Update README.md	2017-02-17 18:02:34 +03:00
Juri Vasylenko	62ad8b528f	Update README.md	2017-01-20 16:07:18 +03:00
Alex K	9a21e80ae8	no message	2017-01-12 10:58:42 +03:00
Alex K	3f202ec9cf	no message	2017-01-11 18:34:20 +03:00
aleksei1000000	a4504a1502	Update README.md	2017-01-10 17:17:26 +03:00