├── .gitignore
├── AVFlatSwitch.xcodeproj
    ├── project.pbxproj
    └── project.xcworkspace
    │   └── contents.xcworkspacedata
├── AVFlatSwitch
    ├── AppDelegate.h
    ├── AppDelegate.m
    ├── Base.lproj
    │   ├── LaunchScreen.xib
    │   └── Main.storyboard
    ├── Images.xcassets
    │   └── AppIcon.appiconset
    │   │   └── Contents.json
    ├── Info.plist
    ├── ViewController.h
    ├── ViewController.m
    ├── ZDFlatSwitch.h
    ├── ZDFlatSwitch.m
    └── main.m
├── AVFlatSwitchTests
    ├── AVFlatSwitchTests.m
    └── Info.plist
├── LICENSE
├── README.md
└── ZDFlatSwitch
    ├── ZDFlatSwitch.h
    └── ZDFlatSwitch.m


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Xcode
 2 | #
 3 | build/
 4 | *.pbxuser
 5 | !default.pbxuser
 6 | *.mode1v3
 7 | !default.mode1v3
 8 | *.mode2v3
 9 | !default.mode2v3
10 | *.perspectivev3
11 | !default.perspectivev3
12 | xcuserdata
13 | *.xccheckout
14 | *.moved-aside
15 | DerivedData
16 | *.hmap
17 | *.ipa
18 | *.xcuserstate
19 | 
20 | # CocoaPods
21 | #
22 | # We recommend against adding the Pods directory to your .gitignore. However
23 | # you should judge for yourself, the pros and cons are mentioned at:
24 | # http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control
25 | #
26 | #Pods/
27 | 


--------------------------------------------------------------------------------
/AVFlatSwitch.xcodeproj/project.pbxproj:
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398 | 				);
399 | 				INFOPLIST_FILE = AVFlatSwitchTests/Info.plist;
400 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
401 | 				PRODUCT_NAME = "$(TARGET_NAME)";
402 | 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/AVFlatSwitch.app/AVFlatSwitch";
403 | 			};
404 | 			name = Release;
405 | 		};
406 | /* End XCBuildConfiguration section */
407 | 
408 | /* Begin XCConfigurationList section */
409 | 		D889DF211B2A8133006651AD /* Build configuration list for PBXProject "AVFlatSwitch" */ = {
410 | 			isa = XCConfigurationList;
411 | 			buildConfigurations = (
412 | 				D889DF471B2A8133006651AD /* Debug */,
413 | 				D889DF481B2A8133006651AD /* Release */,
414 | 			);
415 | 			defaultConfigurationIsVisible = 0;
416 | 			defaultConfigurationName = Release;
417 | 		};
418 | 		D889DF491B2A8133006651AD /* Build configuration list for PBXNativeTarget "AVFlatSwitch" */ = {
419 | 			isa = XCConfigurationList;
420 | 			buildConfigurations = (
421 | 				D889DF4A1B2A8133006651AD /* Debug */,
422 | 				D889DF4B1B2A8133006651AD /* Release */,
423 | 			);
424 | 			defaultConfigurationIsVisible = 0;
425 | 		};
426 | 		D889DF4C1B2A8133006651AD /* Build configuration list for PBXNativeTarget "AVFlatSwitchTests" */ = {
427 | 			isa = XCConfigurationList;
428 | 			buildConfigurations = (
429 | 				D889DF4D1B2A8133006651AD /* Debug */,
430 | 				D889DF4E1B2A8133006651AD /* Release */,
431 | 			);
432 | 			defaultConfigurationIsVisible = 0;
433 | 		};
434 | /* End XCConfigurationList section */
435 | 	};
436 | 	rootObject = D889DF1E1B2A8133006651AD /* Project object */;
437 | }
438 | 


--------------------------------------------------------------------------------
/AVFlatSwitch.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:AVFlatSwitch.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/AppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.h
 3 | //  AVFlatSwitch
 4 | //
 5 | //  Created by Alexcai on 15/6/12.
 6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface AppDelegate : UIResponder <UIApplicationDelegate>
12 | 
13 | @property (strong, nonatomic) UIWindow *window;
14 | 
15 | 
16 | @end
17 | 
18 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/AppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.m
 3 | //  AVFlatSwitch
 4 | //
 5 | //  Created by Alexcai on 15/6/12.
 6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
 7 | //
 8 | 
 9 | #import "AppDelegate.h"
10 | 
11 | @interface AppDelegate ()
12 | 
13 | @end
14 | 
15 | @implementation AppDelegate
16 | 
17 | 
18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
19 |     // Override point for customization after application launch.
20 |     return YES;
21 | }
22 | 
23 | - (void)applicationWillResignActive:(UIApplication *)application {
24 |     // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
25 |     // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
26 | }
27 | 
28 | - (void)applicationDidEnterBackground:(UIApplication *)application {
29 |     // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
30 |     // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
31 | }
32 | 
33 | - (void)applicationWillEnterForeground:(UIApplication *)application {
34 |     // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
35 | }
36 | 
37 | - (void)applicationDidBecomeActive:(UIApplication *)application {
38 |     // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
39 | }
40 | 
41 | - (void)applicationWillTerminate:(UIApplication *)application {
42 |     // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
43 | }
44 | 
45 | @end
46 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/Base.lproj/LaunchScreen.xib:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="6214" systemVersion="14A314h" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6207"/>
 5 |         <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
 6 |     </dependencies>
 7 |     <objects>
 8 |         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
 9 |         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
10 |         <view contentMode="scaleToFill" id="iN0-l3-epB">
11 |             <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
12 |             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
13 |             <subviews>
14 |                 <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2015年 zhidier. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
15 |                     <rect key="frame" x="20" y="439" width="441" height="21"/>
16 |                     <fontDescription key="fontDescription" type="system" pointSize="17"/>
17 |                     <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
18 |                     <nil key="highlightedColor"/>
19 |                 </label>
20 |                 <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="AVFlatSwitch" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
21 |                     <rect key="frame" x="20" y="140" width="441" height="43"/>
22 |                     <fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
23 |                     <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
24 |                     <nil key="highlightedColor"/>
25 |                 </label>
26 |             </subviews>
27 |             <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
28 |             <constraints>
29 |                 <constraint firstItem="kId-c2-rCX" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="bottom" multiplier="1/3" constant="1" id="5cJ-9S-tgC"/>
30 |                 <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
31 |                 <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
32 |                 <constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
33 |                 <constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
34 |                 <constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
35 |             </constraints>
36 |             <nil key="simulatedStatusBarMetrics"/>
37 |             <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
38 |             <point key="canvasLocation" x="548" y="455"/>
39 |         </view>
40 |     </objects>
41 | </document>
42 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="7706" systemVersion="14D2134" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="vXZ-lx-hvc">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7703"/>
 5 |     </dependencies>
 6 |     <scenes>
 7 |         <!--View Controller-->
 8 |         <scene sceneID="ufC-wZ-h7g">
 9 |             <objects>
10 |                 <viewController id="vXZ-lx-hvc" customClass="ViewController" sceneMemberID="viewController">
11 |                     <layoutGuides>
12 |                         <viewControllerLayoutGuide type="top" id="jyV-Pf-zRb"/>
13 |                         <viewControllerLayoutGuide type="bottom" id="2fi-mo-0CV"/>
14 |                     </layoutGuides>
15 |                     <view key="view" contentMode="scaleToFill" id="kh9-bI-dsS">
16 |                         <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
17 |                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
18 |                         <subviews>
19 |                             <view contentMode="scaleToFill" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="F5J-gX-hGz" customClass="ZDFlatSwitch">
20 |                                 <rect key="frame" x="89" y="111" width="100" height="100"/>
21 |                                 <color key="backgroundColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
22 |                                 <userDefinedRuntimeAttributes>
23 |                                     <userDefinedRuntimeAttribute type="color" keyPath="strokeColor">
24 |                                         <color key="value" red="0.66666666666666663" green="0.15493499963931426" blue="0.233498430454152" alpha="1" colorSpace="calibratedRGB"/>
25 |                                     </userDefinedRuntimeAttribute>
26 |                                     <userDefinedRuntimeAttribute type="color" keyPath="trailStrokeColor">
27 |                                         <color key="value" red="0.0" green="0.63719280499999997" blue="0.85098039219999999" alpha="1" colorSpace="calibratedRGB"/>
28 |                                     </userDefinedRuntimeAttribute>
29 |                                     <userDefinedRuntimeAttribute type="number" keyPath="lineWidth">
30 |                                         <real key="value" value="7"/>
31 |                                     </userDefinedRuntimeAttribute>
32 |                                 </userDefinedRuntimeAttributes>
33 |                             </view>
34 |                         </subviews>
35 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
36 |                     </view>
37 |                     <simulatedScreenMetrics key="simulatedDestinationMetrics" type="retina4"/>
38 |                     <connections>
39 |                         <outlet property="flatSwitch" destination="F5J-gX-hGz" id="xIf-IM-kE2"/>
40 |                     </connections>
41 |                 </viewController>
42 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="x5A-6p-PRh" sceneMemberID="firstResponder"/>
43 |             </objects>
44 |             <point key="canvasLocation" x="-139" y="268"/>
45 |         </scene>
46 |     </scenes>
47 | </document>
48 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/Images.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "29x29",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "29x29",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "40x40",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "40x40",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "60x60",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "60x60",
31 |       "scale" : "3x"
32 |     }
33 |   ],
34 |   "info" : {
35 |     "version" : 1,
36 |     "author" : "xcode"
37 |   }
38 | }


--------------------------------------------------------------------------------
/AVFlatSwitch/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>com.zhidier.$(PRODUCT_NAME:rfc1034identifier)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | 	<key>LSRequiresIPhoneOS</key>
24 | 	<true/>
25 | 	<key>UILaunchStoryboardName</key>
26 | 	<string>LaunchScreen</string>
27 | 	<key>UIMainStoryboardFile</key>
28 | 	<string>Main</string>
29 | 	<key>UIRequiredDeviceCapabilities</key>
30 | 	<array>
31 | 		<string>armv7</string>
32 | 	</array>
33 | 	<key>UISupportedInterfaceOrientations</key>
34 | 	<array>
35 | 		<string>UIInterfaceOrientationPortrait</string>
36 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
37 | 		<string>UIInterfaceOrientationLandscapeRight</string>
38 | 	</array>
39 | </dict>
40 | </plist>
41 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/ViewController.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.h
 3 | //  AVFlatSwitch
 4 | //
 5 | //  Created by Alexcai on 15/6/12.
 6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface ViewController : UIViewController
12 | 
13 | 
14 | @end
15 | 
16 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/ViewController.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.m
 3 | //  AVFlatSwitch
 4 | //
 5 | //  Created by Alexcai on 15/6/12.
 6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
 7 | //
 8 | 
 9 | #import "ViewController.h"
10 | #import "ZDFlatSwitch.h"
11 | 
12 | @interface ViewController ()
13 | @property (weak, nonatomic) IBOutlet ZDFlatSwitch *flatSwitch;
14 | 
15 | @end
16 | 
17 | @implementation ViewController
18 | 
19 | - (void)viewDidLoad {
20 |     [super viewDidLoad];
21 |     self.flatSwitch.lineWidth = 10;
22 |     self.flatSwitch.strokeColor = [UIColor redColor];
23 |     self.flatSwitch.trailStrokeColor = [UIColor grayColor];
24 | 
25 |     // Do any additional setup after loading the view, typically from a nib.
26 | }
27 | 
28 | - (void)didReceiveMemoryWarning {
29 |     [super didReceiveMemoryWarning];
30 |     // Dispose of any resources that can be recreated.
31 | }
32 | 
33 | @end
34 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/ZDFlatSwitch.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ZDFlatSwitch.h
 3 | //  AVFlatSwitch
 4 | //
 5 | //  Created by Alexcai on 15/6/12.
 6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | 
12 | static CGFloat finalStrokeEndForCheckmark = 0.85;
13 | static CGFloat finalStrokeStartForCheckmark = 0.3;
14 | static CGFloat checkmarkBounceAmount = 0.1;
15 | static CFTimeInterval animationDuration = 0.3;
16 | 
17 | 
18 | IB_DESIGNABLE
19 | @interface ZDFlatSwitch : UIControl
20 | 
21 | /**
22 |  *  线的宽度:默认为
23 |  */
24 | @property (nonatomic, assign)IBInspectable  CGFloat lineWidth;
25 | @property (nonatomic, strong) IBInspectable UIColor *strokeColor;
26 | @property (nonatomic, strong) IBInspectable UIColor *trailStrokeColor;
27 | @property (nonatomic, assign) BOOL select;
28 | 
29 | @end
30 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/ZDFlatSwitch.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ZDFlatSwitch.m
  3 | //  AVFlatSwitch
  4 | //
  5 | //  Created by Alexcai on 15/6/12.
  6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
  7 | //
  8 | 
  9 | #import "ZDFlatSwitch.h"
 10 | 
 11 | 
 12 | @interface ZDFlatSwitch ()
 13 | 
 14 | @property (nonatomic, strong) CAShapeLayer *trailCircle;
 15 | @property (nonatomic, strong) CAShapeLayer *circle;
 16 | @property (nonatomic, strong) CAShapeLayer *checkmark;
 17 | @property (nonatomic, assign) CGPoint checkmarkMidPoint;
 18 | @property (nonatomic, assign) BOOL selected_internal;
 19 | 
 20 | @end
 21 | 
 22 | @implementation ZDFlatSwitch
 23 | 
 24 | - (instancetype)initWithCoder:(NSCoder *)aDecoder{
 25 |     if (self = [super initWithCoder:aDecoder]) {
 26 |         [self configure];
 27 |     }
 28 |     return self;
 29 | }
 30 | 
 31 | - (instancetype)initWithFrame:(CGRect)frame{
 32 |     if (self = [super initWithFrame:frame]) {
 33 |         [self configure];
 34 |     }
 35 |     return self;
 36 | }
 37 | 
 38 | - (void)awakeFromNib{
 39 |     [super awakeFromNib];
 40 |     [self configure];
 41 | }
 42 | -(instancetype)init{
 43 |     self = [super init];
 44 |     if (!self) {
 45 |         return nil;
 46 |     }
 47 |     
 48 |     [self configure];
 49 |     
 50 |     return self;
 51 | }
 52 | 
 53 | - (void)layoutSublayersOfLayer:(CALayer *)layer{
 54 |     [super layoutSublayersOfLayer:layer];
 55 |     if (layer == self.layer) {
 56 |         CGPoint offset = CGPointZero;
 57 |         CGFloat radius = fmin(self.bounds.size.width, self.bounds.size.height) / 2;
 58 |         offset.x = (self.bounds.size.width - radius * 2) / 2.0;
 59 |         offset.y = (self.bounds.size.height - radius * 2) / 2.0;
 60 |         
 61 |         [CATransaction begin];
 62 |         [CATransaction setDisableActions:YES];
 63 |         CGRect ovalRect = CGRectMake(offset.x, offset.y, radius * 2, radius * 2);
 64 |         UIBezierPath *circlePath = [UIBezierPath bezierPathWithOvalInRect:ovalRect];
 65 |         _trailCircle.path = circlePath.CGPath;
 66 |         
 67 |         _circle.transform = CATransform3DIdentity;
 68 |         _circle.frame = self.bounds;
 69 |         _circle.path = [UIBezierPath bezierPathWithOvalInRect:ovalRect].CGPath;
 70 |         _circle.transform = CATransform3DMakeRotation((212 * M_PI / 180), 0, 0, 1);
 71 |         CGPoint origin = CGPointMake(offset.x + radius, offset.y + radius);
 72 |         CGPoint checkStartPoint = CGPointZero;
 73 |         checkStartPoint.x = origin.x + radius * (cos(212 * M_PI / 180));
 74 |         checkStartPoint.y = origin.y + radius * (sin(212 * M_PI / 180));
 75 |         UIBezierPath *checkmarkPath = [UIBezierPath new];
 76 |         [checkmarkPath moveToPoint:checkStartPoint];
 77 |         self.checkmarkMidPoint = CGPointMake(offset.x + radius * 0.9, offset.y + radius * 1.4);
 78 |         [checkmarkPath addLineToPoint:self.checkmarkMidPoint];
 79 |         CGPoint checkEndPoint = CGPointZero;
 80 |         checkEndPoint.x = origin.x + radius * (cos(320 * M_PI / 180));
 81 |         checkEndPoint.y = origin.y + radius * (sin(320 * M_PI / 180));
 82 |         
 83 |         [checkmarkPath addLineToPoint:checkEndPoint];
 84 |         
 85 |         _checkmark.frame = self.bounds;
 86 |         _checkmark.path = checkmarkPath.CGPath;
 87 |         [CATransaction commit];
 88 |     }
 89 | 
 90 | }
 91 | 
 92 | - (void)configure{
 93 |     self.lineWidth = 4.0;
 94 |     self.strokeColor = [UIColor redColor];
 95 |     self.trailStrokeColor = [UIColor greenColor];
 96 |     
 97 |     self.backgroundColor = [UIColor clearColor];
 98 |     [self configureShapeLayer:self.trailCircle];
 99 |     self.trailCircle.strokeColor = self.trailStrokeColor.CGColor;
100 |     
101 |     [self configureShapeLayer:self.circle];
102 |     self.circle.strokeColor = self.strokeColor.CGColor;
103 |     
104 |     [self configureShapeLayer:self.checkmark];
105 |     self.checkmark.strokeColor = self.strokeColor.CGColor;
106 |     [self setSelect:NO Animated:NO];
107 |     
108 |     [self addTarget:self action:@selector(onTouchUpInside) forControlEvents:UIControlEventTouchUpInside];
109 | 
110 | }
111 | 
112 | - (void)configureShapeLayer:( CAShapeLayer *)shapeLayer {
113 |     shapeLayer.lineJoin = kCALineJoinRound;
114 |     shapeLayer.lineCap = kCALineCapRound;
115 |     shapeLayer.lineWidth = self.lineWidth;
116 |     shapeLayer.fillColor = [UIColor clearColor].CGColor;
117 |     [self.layer addSublayer:shapeLayer];
118 | }
119 | 
120 | - (void)onTouchUpInside{
121 |     self.select = !self.select;
122 |     [self setSelect:self.select Animated:YES];
123 |     [self sendActionsForControlEvents:UIControlEventValueChanged];
124 | }
125 | 
126 | /*
127 | // Only override drawRect: if you perform custom drawing.
128 | // An empty implementation adversely affects performance during animation.
129 | - (void)drawRect:(CGRect)rect {
130 |     // Drawing code
131 | }
132 | */
133 | 
134 | - (void)setSelect:(BOOL)select Animated:(BOOL)animation{
135 |     self.selected_internal = select;
136 |     [_checkmark removeAllAnimations];
137 |     [_circle removeAllAnimations];
138 |     [_trailCircle removeAllAnimations];
139 |     
140 |     [self resetValuesWithAnimation:animation];
141 |     
142 |     if (animation) {
143 |         [self addAnimationsForSelected:_selected_internal];
144 |     }
145 | }
146 | 
147 | - (void)resetValuesWithAnimation:(BOOL)animation{
148 |     [CATransaction begin];
149 |     [CATransaction setDisableActions:YES];
150 |     if ((_selected_internal && animation) || (_selected_internal == NO && animation == NO) ) {
151 |         _checkmark.strokeEnd = 0.0;
152 |         _checkmark.strokeStart = 0.0;
153 |         _trailCircle.opacity = 0.0;
154 |         _circle.strokeStart = 0.0;
155 |         _circle.strokeEnd = 1.0;
156 |     } else {
157 |         _checkmark.strokeEnd = finalStrokeEndForCheckmark;
158 |         _checkmark.strokeStart = finalStrokeStartForCheckmark;
159 |         _trailCircle.opacity = 1.0;
160 |         _circle.strokeStart = 0.0;
161 |         _circle.strokeEnd = 0.0;
162 |     }
163 |     [CATransaction commit];
164 | }
165 | 
166 | - (void)addAnimationsForSelected:(BOOL)selection{
167 |     CGFloat circleAnimationDuration = animationDuration * 0.5;
168 |     CGFloat checkmarkEndDuration = animationDuration * 0.8;
169 |     CGFloat checkmarkStartDuration = checkmarkEndDuration - circleAnimationDuration;
170 |     CGFloat  checkmarkBounceDuration = animationDuration - checkmarkEndDuration;
171 |     
172 |    CAAnimationGroup *checkmarkAnimationGroup = [CAAnimationGroup new];
173 |     checkmarkAnimationGroup.removedOnCompletion = NO;
174 |     checkmarkAnimationGroup.fillMode = kCAFillModeForwards;
175 |     checkmarkAnimationGroup.duration = animationDuration;
176 |     checkmarkAnimationGroup.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
177 |     //CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
178 |     
179 |     CAKeyframeAnimation *checkmarkStrokeEnd = [CAKeyframeAnimation new];
180 |     checkmarkStrokeEnd.keyPath = @"strokeEnd";
181 |     checkmarkStrokeEnd.duration = checkmarkEndDuration + checkmarkBounceDuration;
182 |     checkmarkStrokeEnd.removedOnCompletion = NO;
183 |     checkmarkStrokeEnd.fillMode = kCAFillModeForwards;
184 |     checkmarkStrokeEnd.calculationMode = kCAAnimationPaced;
185 |     
186 |     if (selection) {
187 |         checkmarkStrokeEnd.values = @[@(0.0), @((finalStrokeEndForCheckmark + checkmarkBounceAmount)), @((finalStrokeEndForCheckmark))];
188 |         checkmarkStrokeEnd.keyTimes = @[@(0.0), @(checkmarkEndDuration),@(checkmarkEndDuration + checkmarkBounceDuration)];
189 |         
190 |     } else {
191 |         checkmarkStrokeEnd.values = @[@(finalStrokeEndForCheckmark), @(finalStrokeEndForCheckmark + checkmarkBounceAmount), @(-0.1)];
192 |         checkmarkStrokeEnd.keyTimes = @[@(0.0), @(checkmarkBounceDuration), @(checkmarkEndDuration + checkmarkBounceDuration)];
193 |     }
194 |     
195 |     CAKeyframeAnimation *checkmarkStrokeStart = [CAKeyframeAnimation  new]; //(keyPath: "strokeStart")
196 |     checkmarkStrokeStart.keyPath = @"strokeStart";
197 |     checkmarkStrokeStart.duration = checkmarkStartDuration + checkmarkBounceDuration;
198 |     checkmarkStrokeStart.removedOnCompletion = NO;
199 |     checkmarkStrokeStart.fillMode = kCAFillModeForwards;
200 |     checkmarkStrokeStart.calculationMode = kCAAnimationPaced;
201 |     
202 |     if (selection) {
203 |         checkmarkStrokeStart.values = @[@(0.0), @(finalStrokeStartForCheckmark + checkmarkBounceAmount), @(finalStrokeStartForCheckmark)];
204 |         checkmarkStrokeStart.keyTimes = @[@(0.0), @(checkmarkStartDuration), @(checkmarkStartDuration + checkmarkBounceDuration)];
205 |     } else {
206 |         checkmarkStrokeStart.values = @[@(finalStrokeStartForCheckmark), @(finalStrokeStartForCheckmark + checkmarkBounceAmount), @(0.0)];
207 |         checkmarkStrokeStart.keyTimes = @[@(0.0), @(checkmarkBounceDuration), @(checkmarkStartDuration + checkmarkBounceDuration)];
208 |     }
209 |     
210 |     if (selection) {
211 |         checkmarkStrokeStart.beginTime = circleAnimationDuration;
212 |     }
213 |     
214 |     checkmarkAnimationGroup.animations = @[checkmarkStrokeEnd, checkmarkStrokeStart];
215 |     [_checkmark addAnimation:checkmarkAnimationGroup forKey:@"checkmarkAnimation"];
216 |     
217 |     CAAnimationGroup *circleAnimationGroup = [CAAnimationGroup new];
218 |     circleAnimationGroup.duration = animationDuration;
219 |     circleAnimationGroup.removedOnCompletion = NO;
220 |     circleAnimationGroup.fillMode = kCAFillModeForwards;
221 |     circleAnimationGroup.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
222 |     
223 |     CABasicAnimation *circleStrokeEnd = [CABasicAnimation new];
224 |     circleStrokeEnd.keyPath = @"strokeEnd";
225 |     circleStrokeEnd.duration = circleAnimationDuration;
226 |     if (selection) {
227 |         circleStrokeEnd.beginTime = 0.0;
228 |         
229 |         circleStrokeEnd.fromValue = @(1.0);
230 |         circleStrokeEnd.toValue = @(-0.1);
231 |     } else {
232 |         circleStrokeEnd.beginTime = animationDuration - circleAnimationDuration;
233 |         
234 |         circleStrokeEnd.fromValue = @(0.0);
235 |         circleStrokeEnd.toValue = @(1.0);
236 |     }
237 |     circleStrokeEnd.removedOnCompletion = NO;
238 |     circleStrokeEnd.fillMode = kCAFillModeForwards;
239 |     
240 |     circleAnimationGroup.animations = @[circleStrokeEnd];
241 |     [self.circle addAnimation:circleAnimationGroup forKey:@"circleStrokeEnd"];
242 |     
243 |     CABasicAnimation *trailCircleColor = [CABasicAnimation new]; //CABasicAnimation(keyPath: "opacity")
244 |     trailCircleColor.keyPath = @"opacity";
245 |     trailCircleColor.duration = animationDuration;
246 |     if (selection) {
247 |         trailCircleColor.fromValue = @(0.0);
248 |         trailCircleColor.toValue = @(1.0);
249 |     } else {
250 |         trailCircleColor.fromValue = @(1.0);
251 |         trailCircleColor.toValue = @(0.0);
252 |     }
253 |     trailCircleColor.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
254 |     
255 |     trailCircleColor.fillMode = kCAFillModeForwards;
256 |     trailCircleColor.removedOnCompletion = NO;
257 |     [_trailCircle  addAnimation:trailCircleColor forKey:@"trailCircleColor"];
258 | }
259 | 
260 | 
261 | - (void)setLineWidth:(CGFloat)lineWidth{
262 |     _lineWidth = lineWidth;
263 |     self.circle.lineWidth = lineWidth;
264 |     self.checkmark.lineWidth = lineWidth;
265 |     self.trailCircle.lineWidth = lineWidth;
266 | }
267 | 
268 | - (void)setStrokeColor:(UIColor *)strokeColor{
269 |     _strokeColor = strokeColor;
270 |         self.circle.strokeColor = strokeColor.CGColor;
271 |         self.checkmark.strokeColor = strokeColor.CGColor;
272 | }
273 | 
274 | - (void)setTrailStrokeColor:(UIColor *)trailStrokeColor{
275 |     _trailStrokeColor = trailStrokeColor;
276 |         self.trailCircle.strokeColor = trailStrokeColor.CGColor;
277 | }
278 | 
279 | - (void)setSelect:(BOOL)select{
280 |     super.selected = select;
281 |     _select = select;
282 | }
283 | - (BOOL)selected{
284 |     return _selected_internal;
285 | }
286 | 
287 | - (CAShapeLayer *)trailCircle{
288 |     if (_trailCircle == nil) {
289 |         _trailCircle = [CAShapeLayer new];
290 |     }
291 |     return _trailCircle;
292 | }
293 | - (CAShapeLayer *)circle{
294 |     if (_circle == nil) {
295 |         _circle = [CAShapeLayer new];
296 |     }
297 |     return _circle;
298 | }
299 | - (CAShapeLayer *)checkmark{
300 |     if (_checkmark == nil) {
301 |         _checkmark = [CAShapeLayer new];
302 |     }
303 |     return _checkmark;
304 | }
305 | 
306 | 
307 | @end
308 | 


--------------------------------------------------------------------------------
/AVFlatSwitch/main.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  main.m
 3 | //  AVFlatSwitch
 4 | //
 5 | //  Created by Alexcai on 15/6/12.
 6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import "AppDelegate.h"
11 | 
12 | int main(int argc, char * argv[]) {
13 |     @autoreleasepool {
14 |         return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
15 |     }
16 | }
17 | 


--------------------------------------------------------------------------------
/AVFlatSwitchTests/AVFlatSwitchTests.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AVFlatSwitchTests.m
 3 | //  AVFlatSwitchTests
 4 | //
 5 | //  Created by Alexcai on 15/6/12.
 6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import <XCTest/XCTest.h>
11 | 
12 | @interface AVFlatSwitchTests : XCTestCase
13 | 
14 | @end
15 | 
16 | @implementation AVFlatSwitchTests
17 | 
18 | - (void)setUp {
19 |     [super setUp];
20 |     // Put setup code here. This method is called before the invocation of each test method in the class.
21 | }
22 | 
23 | - (void)tearDown {
24 |     // Put teardown code here. This method is called after the invocation of each test method in the class.
25 |     [super tearDown];
26 | }
27 | 
28 | - (void)testExample {
29 |     // This is an example of a functional test case.
30 |     XCTAssert(YES, @"Pass");
31 | }
32 | 
33 | - (void)testPerformanceExample {
34 |     // This is an example of a performance test case.
35 |     [self measureBlock:^{
36 |         // Put the code you want to measure the time of here.
37 |     }];
38 | }
39 | 
40 | @end
41 | 


--------------------------------------------------------------------------------
/AVFlatSwitchTests/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>com.zhidier.$(PRODUCT_NAME:rfc1034identifier)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>BNDL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | </dict>
24 | </plist>
25 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2015 leiocai
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 
23 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # ZDFlatSwitch
 2 | 
 3 | 根据Swift(AIFlatSwitch)版本修改的一个OC实现.
 4 | 创意设计来源自Dribble
 5 | 
 6 | <p><a href="url"><img src="https://s3.amazonaws.com/f.cl.ly/items/1p0w3B0E3m2I2k3e0z1Q/onoff.gif" align="left" height="150" width="200" ></a></p>
 7 | <br><br><br><br><br><br><br>
 8 | 
 9 | ##系统平台
10 | - iOS 7.1+
11 | - Xcode 6.1
12 | 
13 | ## 集成步骤
14 | 
15 | > **手动安装**
16 | >
17 | > 拖动`ZDFlatSwitch.h` 和 `ZDFlatSwitch.m` 文件到你的项目中即可. 
18 | >
19 | 
20 | ## 使用方法:
21 | 
22 | ### 创建ZDFlatSwitch 对象
23 | 
24 | - 
25 | 
26 | ```objc
27 |   // 创建对象
28 |   ZDFlatSwitch *flatSwitch = [ZDFlatSwitch new]
29 |   // 设置frame
30 |   flatSwitch.frame =CGRectMake(0, 0, 50, 50);
31 | ```
32 | 
33 | ### 方法
34 | 
35 | > 改变颜色属性
36 | 
37 | ```objc
38 | 
39 | // 设置线宽
40 | flatSwitch.lineWidth = 10;
41 | // 设置√的颜色
42 | flatSwitch.strokeColor = [UIColor whiteColor];
43 | // 设置圆环的颜色
44 | flatSwitch.trailStrokeColor = [UIColor greenColor];
45 | 
46 | ```
47 | - [x] IBInspectable 特性供在Storyboard使用.
48 | 
49 | 
50 | ## License
51 | 
52 | ZDFlatSwitch is released under the MIT license. See LICENSE for details. 
53 | 


--------------------------------------------------------------------------------
/ZDFlatSwitch/ZDFlatSwitch.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ZDFlatSwitch.h
 3 | //  AVFlatSwitch
 4 | //
 5 | //  Created by Alexcai on 15/6/12.
 6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | 
12 | static CGFloat finalStrokeEndForCheckmark = 0.85;
13 | static CGFloat finalStrokeStartForCheckmark = 0.3;
14 | static CGFloat checkmarkBounceAmount = 0.1;
15 | static CFTimeInterval animationDuration = 0.3;
16 | 
17 | 
18 | IB_DESIGNABLE
19 | @interface ZDFlatSwitch : UIControl
20 | 
21 | /**
22 |  *  线的宽度:默认为
23 |  */
24 | @property (nonatomic, assign)IBInspectable  CGFloat lineWidth;
25 | /**
26 |  *  设置符号颜色
27 |  */
28 | @property (nonatomic, strong) IBInspectable UIColor *strokeColor;
29 | /**
30 |  *  设置外环颜色
31 |  */
32 | @property (nonatomic, strong) IBInspectable UIColor *trailStrokeColor;
33 | @property (nonatomic, assign) BOOL select;
34 | 
35 | @end
36 | 


--------------------------------------------------------------------------------
/ZDFlatSwitch/ZDFlatSwitch.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ZDFlatSwitch.m
  3 | //  AVFlatSwitch
  4 | //
  5 | //  Created by Alexcai on 15/6/12.
  6 | //  Copyright (c) 2015年 zhidier. All rights reserved.
  7 | //
  8 | 
  9 | #import "ZDFlatSwitch.h"
 10 | 
 11 | 
 12 | @interface ZDFlatSwitch ()
 13 | 
 14 | @property (nonatomic, strong) CAShapeLayer *trailCircle;
 15 | @property (nonatomic, strong) CAShapeLayer *circle;
 16 | @property (nonatomic, strong) CAShapeLayer *checkmark;
 17 | @property (nonatomic, assign) CGPoint checkmarkMidPoint;
 18 | @property (nonatomic, assign) BOOL selected_internal;
 19 | 
 20 | @end
 21 | 
 22 | @implementation ZDFlatSwitch
 23 | 
 24 | - (instancetype)initWithCoder:(NSCoder *)aDecoder{
 25 |     if (self = [super initWithCoder:aDecoder]) {
 26 |         [self configure];
 27 |     }
 28 |     return self;
 29 | }
 30 | 
 31 | - (instancetype)initWithFrame:(CGRect)frame{
 32 |     if (self = [super initWithFrame:frame]) {
 33 |         [self configure];
 34 |     }
 35 |     return self;
 36 | }
 37 | 
 38 | - (void)awakeFromNib{
 39 |     [super awakeFromNib];
 40 |     [self configure];
 41 | }
 42 | -(instancetype)init{
 43 |     self = [super init];
 44 |     if (!self) {
 45 |         return nil;
 46 |     }
 47 |     
 48 |     [self configure];
 49 |     
 50 |     return self;
 51 | }
 52 | 
 53 | - (void)layoutSublayersOfLayer:(CALayer *)layer{
 54 |     [super layoutSublayersOfLayer:layer];
 55 |     if (layer == self.layer) {
 56 |         CGPoint offset = CGPointZero;
 57 |         CGFloat radius = fmin(self.bounds.size.width, self.bounds.size.height) / 2;
 58 |         offset.x = (self.bounds.size.width - radius * 2) / 2.0;
 59 |         offset.y = (self.bounds.size.height - radius * 2) / 2.0;
 60 |         
 61 |         [CATransaction begin];
 62 |         [CATransaction setDisableActions:YES];
 63 |         CGRect ovalRect = CGRectMake(offset.x, offset.y, radius * 2, radius * 2);
 64 |         UIBezierPath *circlePath = [UIBezierPath bezierPathWithOvalInRect:ovalRect];
 65 |         _trailCircle.path = circlePath.CGPath;
 66 |         
 67 |         _circle.transform = CATransform3DIdentity;
 68 |         _circle.frame = self.bounds;
 69 |         _circle.path = [UIBezierPath bezierPathWithOvalInRect:ovalRect].CGPath;
 70 |         _circle.transform = CATransform3DMakeRotation((212 * M_PI / 180), 0, 0, 1);
 71 |         CGPoint origin = CGPointMake(offset.x + radius, offset.y + radius);
 72 |         CGPoint checkStartPoint = CGPointZero;
 73 |         checkStartPoint.x = origin.x + radius * (cos(212 * M_PI / 180));
 74 |         checkStartPoint.y = origin.y + radius * (sin(212 * M_PI / 180));
 75 |         UIBezierPath *checkmarkPath = [UIBezierPath new];
 76 |         [checkmarkPath moveToPoint:checkStartPoint];
 77 |         self.checkmarkMidPoint = CGPointMake(offset.x + radius * 0.9, offset.y + radius * 1.4);
 78 |         [checkmarkPath addLineToPoint:self.checkmarkMidPoint];
 79 |         CGPoint checkEndPoint = CGPointZero;
 80 |         checkEndPoint.x = origin.x + radius * (cos(320 * M_PI / 180));
 81 |         checkEndPoint.y = origin.y + radius * (sin(320 * M_PI / 180));
 82 |         
 83 |         [checkmarkPath addLineToPoint:checkEndPoint];
 84 |         
 85 |         _checkmark.frame = self.bounds;
 86 |         _checkmark.path = checkmarkPath.CGPath;
 87 |         [CATransaction commit];
 88 |     }
 89 | 
 90 | }
 91 | 
 92 | - (void)configure{
 93 |     self.lineWidth = 4.0;
 94 |     self.strokeColor = [UIColor redColor];
 95 |     self.trailStrokeColor = [UIColor greenColor];
 96 |     
 97 |     self.backgroundColor = [UIColor clearColor];
 98 |     [self configureShapeLayer:self.trailCircle];
 99 |     self.trailCircle.strokeColor = self.trailStrokeColor.CGColor;
100 |     
101 |     [self configureShapeLayer:self.circle];
102 |     self.circle.strokeColor = self.strokeColor.CGColor;
103 |     
104 |     [self configureShapeLayer:self.checkmark];
105 |     self.checkmark.strokeColor = self.strokeColor.CGColor;
106 |     [self setSelect:NO Animated:NO];
107 |     
108 |     [self addTarget:self action:@selector(onTouchUpInside) forControlEvents:UIControlEventTouchUpInside];
109 | 
110 | }
111 | 
112 | - (void)configureShapeLayer:( CAShapeLayer *)shapeLayer {
113 |     shapeLayer.lineJoin = kCALineJoinRound;
114 |     shapeLayer.lineCap = kCALineCapRound;
115 |     shapeLayer.lineWidth = self.lineWidth;
116 |     shapeLayer.fillColor = [UIColor clearColor].CGColor;
117 |     [self.layer addSublayer:shapeLayer];
118 | }
119 | 
120 | - (void)onTouchUpInside{
121 |     self.select = !self.select;
122 |     [self setSelect:self.select Animated:YES];
123 |     [self sendActionsForControlEvents:UIControlEventValueChanged];
124 | }
125 | 
126 | /*
127 | // Only override drawRect: if you perform custom drawing.
128 | // An empty implementation adversely affects performance during animation.
129 | - (void)drawRect:(CGRect)rect {
130 |     // Drawing code
131 | }
132 | */
133 | 
134 | - (void)setSelect:(BOOL)select Animated:(BOOL)animation{
135 |     self.selected_internal = select;
136 |     [_checkmark removeAllAnimations];
137 |     [_circle removeAllAnimations];
138 |     [_trailCircle removeAllAnimations];
139 |     
140 |     [self resetValuesWithAnimation:animation];
141 |     
142 |     if (animation) {
143 |         [self addAnimationsForSelected:_selected_internal];
144 |     }
145 | }
146 | 
147 | - (void)resetValuesWithAnimation:(BOOL)animation{
148 |     [CATransaction begin];
149 |     [CATransaction setDisableActions:YES];
150 |     if ((_selected_internal && animation) || (_selected_internal == NO && animation == NO) ) {
151 |         _checkmark.strokeEnd = 0.0;
152 |         _checkmark.strokeStart = 0.0;
153 |         _trailCircle.opacity = 0.0;
154 |         _circle.strokeStart = 0.0;
155 |         _circle.strokeEnd = 1.0;
156 |     } else {
157 |         _checkmark.strokeEnd = finalStrokeEndForCheckmark;
158 |         _checkmark.strokeStart = finalStrokeStartForCheckmark;
159 |         _trailCircle.opacity = 1.0;
160 |         _circle.strokeStart = 0.0;
161 |         _circle.strokeEnd = 0.0;
162 |     }
163 |     [CATransaction commit];
164 | }
165 | 
166 | - (void)addAnimationsForSelected:(BOOL)selection{
167 |     CGFloat circleAnimationDuration = animationDuration * 0.5;
168 |     CGFloat checkmarkEndDuration = animationDuration * 0.8;
169 |     CGFloat checkmarkStartDuration = checkmarkEndDuration - circleAnimationDuration;
170 |     CGFloat  checkmarkBounceDuration = animationDuration - checkmarkEndDuration;
171 |     
172 |    CAAnimationGroup *checkmarkAnimationGroup = [CAAnimationGroup new];
173 |     checkmarkAnimationGroup.removedOnCompletion = NO;
174 |     checkmarkAnimationGroup.fillMode = kCAFillModeForwards;
175 |     checkmarkAnimationGroup.duration = animationDuration;
176 |     checkmarkAnimationGroup.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
177 |     //CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
178 |     
179 |     CAKeyframeAnimation *checkmarkStrokeEnd = [CAKeyframeAnimation new];
180 |     checkmarkStrokeEnd.keyPath = @"strokeEnd";
181 |     checkmarkStrokeEnd.duration = checkmarkEndDuration + checkmarkBounceDuration;
182 |     checkmarkStrokeEnd.removedOnCompletion = NO;
183 |     checkmarkStrokeEnd.fillMode = kCAFillModeForwards;
184 |     checkmarkStrokeEnd.calculationMode = kCAAnimationPaced;
185 |     
186 |     if (selection) {
187 |         checkmarkStrokeEnd.values = @[@(0.0), @((finalStrokeEndForCheckmark + checkmarkBounceAmount)), @((finalStrokeEndForCheckmark))];
188 |         checkmarkStrokeEnd.keyTimes = @[@(0.0), @(checkmarkEndDuration),@(checkmarkEndDuration + checkmarkBounceDuration)];
189 |         
190 |     } else {
191 |         checkmarkStrokeEnd.values = @[@(finalStrokeEndForCheckmark), @(finalStrokeEndForCheckmark + checkmarkBounceAmount), @(-0.1)];
192 |         checkmarkStrokeEnd.keyTimes = @[@(0.0), @(checkmarkBounceDuration), @(checkmarkEndDuration + checkmarkBounceDuration)];
193 |     }
194 |     
195 |     CAKeyframeAnimation *checkmarkStrokeStart = [CAKeyframeAnimation  new]; //(keyPath: "strokeStart")
196 |     checkmarkStrokeStart.keyPath = @"strokeStart";
197 |     checkmarkStrokeStart.duration = checkmarkStartDuration + checkmarkBounceDuration;
198 |     checkmarkStrokeStart.removedOnCompletion = NO;
199 |     checkmarkStrokeStart.fillMode = kCAFillModeForwards;
200 |     checkmarkStrokeStart.calculationMode = kCAAnimationPaced;
201 |     
202 |     if (selection) {
203 |         checkmarkStrokeStart.values = @[@(0.0), @(finalStrokeStartForCheckmark + checkmarkBounceAmount), @(finalStrokeStartForCheckmark)];
204 |         checkmarkStrokeStart.keyTimes = @[@(0.0), @(checkmarkStartDuration), @(checkmarkStartDuration + checkmarkBounceDuration)];
205 |     } else {
206 |         checkmarkStrokeStart.values = @[@(finalStrokeStartForCheckmark), @(finalStrokeStartForCheckmark + checkmarkBounceAmount), @(0.0)];
207 |         checkmarkStrokeStart.keyTimes = @[@(0.0), @(checkmarkBounceDuration), @(checkmarkStartDuration + checkmarkBounceDuration)];
208 |     }
209 |     
210 |     if (selection) {
211 |         checkmarkStrokeStart.beginTime = circleAnimationDuration;
212 |     }
213 |     
214 |     checkmarkAnimationGroup.animations = @[checkmarkStrokeEnd, checkmarkStrokeStart];
215 |     [_checkmark addAnimation:checkmarkAnimationGroup forKey:@"checkmarkAnimation"];
216 |     
217 |     CAAnimationGroup *circleAnimationGroup = [CAAnimationGroup new];
218 |     circleAnimationGroup.duration = animationDuration;
219 |     circleAnimationGroup.removedOnCompletion = NO;
220 |     circleAnimationGroup.fillMode = kCAFillModeForwards;
221 |     circleAnimationGroup.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
222 |     
223 |     CABasicAnimation *circleStrokeEnd = [CABasicAnimation new];
224 |     circleStrokeEnd.keyPath = @"strokeEnd";
225 |     circleStrokeEnd.duration = circleAnimationDuration;
226 |     if (selection) {
227 |         circleStrokeEnd.beginTime = 0.0;
228 |         
229 |         circleStrokeEnd.fromValue = @(1.0);
230 |         circleStrokeEnd.toValue = @(-0.1);
231 |     } else {
232 |         circleStrokeEnd.beginTime = animationDuration - circleAnimationDuration;
233 |         
234 |         circleStrokeEnd.fromValue = @(0.0);
235 |         circleStrokeEnd.toValue = @(1.0);
236 |     }
237 |     circleStrokeEnd.removedOnCompletion = NO;
238 |     circleStrokeEnd.fillMode = kCAFillModeForwards;
239 |     
240 |     circleAnimationGroup.animations = @[circleStrokeEnd];
241 |     [self.circle addAnimation:circleAnimationGroup forKey:@"circleStrokeEnd"];
242 |     
243 |     CABasicAnimation *trailCircleColor = [CABasicAnimation new]; //CABasicAnimation(keyPath: "opacity")
244 |     trailCircleColor.keyPath = @"opacity";
245 |     trailCircleColor.duration = animationDuration;
246 |     if (selection) {
247 |         trailCircleColor.fromValue = @(0.0);
248 |         trailCircleColor.toValue = @(1.0);
249 |     } else {
250 |         trailCircleColor.fromValue = @(1.0);
251 |         trailCircleColor.toValue = @(0.0);
252 |     }
253 |     trailCircleColor.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
254 |     
255 |     trailCircleColor.fillMode = kCAFillModeForwards;
256 |     trailCircleColor.removedOnCompletion = NO;
257 |     [_trailCircle  addAnimation:trailCircleColor forKey:@"trailCircleColor"];
258 | }
259 | 
260 | 
261 | - (void)setLineWidth:(CGFloat)lineWidth{
262 |     _lineWidth = lineWidth;
263 |     self.circle.lineWidth = lineWidth;
264 |     self.checkmark.lineWidth = lineWidth;
265 |     self.trailCircle.lineWidth = lineWidth;
266 | }
267 | 
268 | - (void)setStrokeColor:(UIColor *)strokeColor{
269 |     _strokeColor = strokeColor;
270 |         self.circle.strokeColor = strokeColor.CGColor;
271 |         self.checkmark.strokeColor = strokeColor.CGColor;
272 | }
273 | 
274 | - (void)setTrailStrokeColor:(UIColor *)trailStrokeColor{
275 |     _trailStrokeColor = trailStrokeColor;
276 |         self.trailCircle.strokeColor = trailStrokeColor.CGColor;
277 | }
278 | 
279 | - (void)setSelect:(BOOL)select{
280 |     super.selected = select;
281 |     _select = select;
282 | }
283 | - (BOOL)selected{
284 |     return _selected_internal;
285 | }
286 | 
287 | - (CAShapeLayer *)trailCircle{
288 |     if (_trailCircle == nil) {
289 |         _trailCircle = [CAShapeLayer new];
290 |     }
291 |     return _trailCircle;
292 | }
293 | - (CAShapeLayer *)circle{
294 |     if (_circle == nil) {
295 |         _circle = [CAShapeLayer new];
296 |     }
297 |     return _circle;
298 | }
299 | - (CAShapeLayer *)checkmark{
300 |     if (_checkmark == nil) {
301 |         _checkmark = [CAShapeLayer new];
302 |     }
303 |     return _checkmark;
304 | }
305 | 
306 | 
307 | @end
308 | 


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