add swift demo

Change-Id: I8eb032d89312f71ec7fec669aacf42a10822db79

swiftdemo/ScreenRecordDemo/ScreenRecordDemo.xcodeproj/project.pbxproj

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+				F3C9738A23407E0400B07C90 /* Main.storyboard */,
+				F3C9738D23407E0600B07C90 /* Assets.xcassets */,
+				F3C9738F23407E0600B07C90 /* LaunchScreen.storyboard */,
+				F3C9739223407E0600B07C90 /* Info.plist */,
+			);
+			path = ScreenRecordDemo;
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+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = ScreenRecordDemo;
+			productName = ScreenRecordDemo;
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+			productType = "com.apple.product-type.application";
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+
+/* Begin PBXProject section */
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+			isa = PBXProject;
+			attributes = {
+				LastSwiftUpdateCheck = 1030;
+				LastUpgradeCheck = 1030;
+				ORGANIZATIONNAME = admin;
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+				F3C9738523407E0400B07C90 /* AppDelegate.swift in Sources */,
+				F3C9739C2340851D00B07C90 /* ScreenRecorder.swift in Sources */,
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+				CLANG_WARN_COMMA = YES;
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+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = 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;
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+				IPHONEOS_DEPLOYMENT_TARGET = 12.4;
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+				SDKROOT = iphoneos;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				VALIDATE_PRODUCT = YES;
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+			name = Release;
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+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
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+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
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+				);
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+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
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+
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+			defaultConfigurationName = Release;
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+			defaultConfigurationName = Release;
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+/* End XCConfigurationList section */
+	};
+	rootObject = F3C9737923407E0400B07C90 /* Project object */;
+}

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/AppDelegate.swift

+//
+//  AppDelegate.swift
+//  ScreenRecordDemo
+//
+//  Created by 佰锐 on 2019/9/29.
+//  Copyright © 2019 admin. All rights reserved.
+//
+
+import UIKit
+
+@UIApplicationMain
+class AppDelegate: UIResponder, UIApplicationDelegate, UISplitViewControllerDelegate {
+
+    var window: UIWindow?
+
+
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        // Override point for customization after application launch.
+        let splitViewController = window!.rootViewController as! UISplitViewController
+        let navigationController = splitViewController.viewControllers[splitViewController.viewControllers.count-1] as! UINavigationController
+        navigationController.topViewController!.navigationItem.leftBarButtonItem = splitViewController.displayModeButtonItem
+        splitViewController.delegate = self
+        return true
+    }
+
+    func applicationWillResignActive(_ application: UIApplication) {
+        // 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.
+        // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
+    }
+
+    func applicationDidEnterBackground(_ application: UIApplication) {
+        // 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.
+        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
+    }
+
+    func applicationWillEnterForeground(_ application: UIApplication) {
+        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
+    }
+
+    func applicationDidBecomeActive(_ application: UIApplication) {
+        // 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.
+    }
+
+    func applicationWillTerminate(_ application: UIApplication) {
+        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+    }
+
+    // MARK: - Split view
+
+    func splitViewController(_ splitViewController: UISplitViewController, collapseSecondary secondaryViewController:UIViewController, onto primaryViewController:UIViewController) -> Bool {
+        guard let secondaryAsNavController = secondaryViewController as? UINavigationController else { return false }
+        guard let topAsDetailController = secondaryAsNavController.topViewController as? DetailViewController else { return false }
+        if topAsDetailController.detailItem == nil {
+            // Return true to indicate that we have handled the collapse by doing nothing; the secondary controller will be discarded.
+            return true
+        }
+        return false
+    }
+
+}
+

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/Assets.xcassets/AppIcon.appiconset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "83.5x83.5",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/Assets.xcassets/Contents.json

+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/Base.lproj/LaunchScreen.storyboard

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/Base.lproj/Main.storyboard

+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13163" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="H1p-Uh-vWS">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13143"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Master-->
+        <scene sceneID="pY4-Hu-kfo">
+            <objects>
+                <navigationController title="Master" id="RMx-3f-FxP" sceneMemberID="viewController">
+                    <navigationBar key="navigationBar" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" id="Pmd-2v-anx">
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <connections>
+                        <segue destination="7bK-jq-Zjz" kind="relationship" relationship="rootViewController" id="tsl-Nk-0bq"/>
+                    </connections>
+                </navigationController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="8fS-aE-onr" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-38" y="-630"/>
+        </scene>
+        <!--Detail-->
+        <scene sceneID="yUG-lL-AsK">
+            <objects>
+                <viewController title="Detail" id="JEX-9P-axG" customClass="DetailViewController" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="svH-Pt-448">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <label clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" text="Detail view content goes here" textAlignment="center" lineBreakMode="tailTruncation" minimumFontSize="10" translatesAutoresizingMaskIntoConstraints="NO" id="0XM-y9-sOw">
+                                <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="0XM-y9-sOw" firstAttribute="leading" secondItem="svH-Pt-448" secondAttribute="leading" constant="20" symbolic="YES" id="Tsc-yG-G1q"/>
+                            <constraint firstItem="0XM-y9-sOw" firstAttribute="centerY" secondItem="svH-Pt-448" secondAttribute="centerY" id="jWN-iV-94e"/>
+                            <constraint firstAttribute="trailing" secondItem="0XM-y9-sOw" secondAttribute="trailing" constant="20" symbolic="YES" id="tHV-ZD-HQj"/>
+                        </constraints>
+                        <viewLayoutGuide key="safeArea" id="VUw-jc-0yf"/>
+                    </view>
+                    <toolbarItems/>
+                    <navigationItem key="navigationItem" title="Detail" id="mOI-FS-AaM"/>
+                    <connections>
+                        <outlet property="detailDescriptionLabel" destination="0XM-y9-sOw" id="deQ-Na-JPF"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="FJe-Yq-33r" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="709" y="129"/>
+        </scene>
+        <!--Split View Controller-->
+        <scene sceneID="Nki-YV-4Qg">
+            <objects>
+                <splitViewController id="H1p-Uh-vWS" sceneMemberID="viewController">
+                    <toolbarItems/>
+                    <connections>
+                        <segue destination="RMx-3f-FxP" kind="relationship" relationship="masterViewController" id="BlO-5A-QYV"/>
+                        <segue destination="vC3-pB-5Vb" kind="relationship" relationship="detailViewController" id="Tll-UG-LXB"/>
+                    </connections>
+                </splitViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="cZU-Oi-B1e" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-856" y="-330"/>
+        </scene>
+        <!--Master-->
+        <scene sceneID="smW-Zh-WAh">
+            <objects>
+                <tableViewController title="Master" clearsSelectionOnViewWillAppear="NO" id="7bK-jq-Zjz" customClass="MasterViewController" customModuleProvider="target" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="-1" estimatedRowHeight="-1" sectionHeaderHeight="28" sectionFooterHeight="28" id="r7i-6Z-zg0">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <prototypes>
+                            <tableViewCell contentMode="scaleToFill" selectionStyle="blue" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="Cell" textLabel="Arm-wq-HPj" style="IBUITableViewCellStyleDefault" id="WCw-Qf-5nD">
+                                <rect key="frame" x="0.0" y="86" width="375" height="44"/>
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="WCw-Qf-5nD" id="37f-cq-3Eg">
+                                    <rect key="frame" x="0.0" y="0.0" width="375" height="43"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <subviews>
+                                        <label opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" text="Title" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="Arm-wq-HPj">
+                                            <rect key="frame" x="15" y="0.0" width="345" height="43"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <fontDescription key="fontDescription" type="boldSystem" pointSize="20"/>
+                                            <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                            <color key="highlightedColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                        </label>
+                                    </subviews>
+                                </tableViewCellContentView>
+                                <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <connections>
+                                    <segue destination="vC3-pB-5Vb" kind="showDetail" identifier="showDetail" id="6S0-TO-JiA"/>
+                                </connections>
+                            </tableViewCell>
+                        </prototypes>
+                        <sections/>
+                        <connections>
+                            <outlet property="dataSource" destination="7bK-jq-Zjz" id="Gho-Na-rnu"/>
+                            <outlet property="delegate" destination="7bK-jq-Zjz" id="RA6-mI-bju"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" title="Master" id="Zdf-7t-Un8"/>
+                </tableViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="Rux-fX-hf1" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="709" y="-630"/>
+        </scene>
+        <!--Navigation Controller-->
+        <scene sceneID="r7l-gg-dq7">
+            <objects>
+                <navigationController id="vC3-pB-5Vb" sceneMemberID="viewController">
+                    <navigationBar key="navigationBar" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" id="DjV-YW-jjY">
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <connections>
+                        <segue destination="JEX-9P-axG" kind="relationship" relationship="rootViewController" id="GKi-kA-LjT"/>
+                    </connections>
+                </navigationController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="SLD-UC-DBI" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-45" y="129"/>
+        </scene>
+    </scenes>
+    <inferredMetricsTieBreakers>
+        <segue reference="6S0-TO-JiA"/>
+    </inferredMetricsTieBreakers>
+</document>

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/DetailViewController.swift

+//
+//  DetailViewController.swift
+//  ScreenRecordDemo
+//
+//  Created by 佰锐 on 2019/9/29.
+//  Copyright © 2019 admin. All rights reserved.
+//
+
+import UIKit
+
+class DetailViewController: UIViewController {
+
+    @IBOutlet weak var detailDescriptionLabel: UILabel!
+    let screenRecord = ScreenRecordCoordinator()
+
+    func configureView() {
+        // Update the user interface for the detail item.
+        if let detail = detailItem {
+            if let label = detailDescriptionLabel {
+                label.text = detail.description
+            }
+        }
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        // Do any additional setup after loading the view.
+        configureView()
+        
+        
+        
+        screenRecord.viewOverlay?.stopButtonColor = UIColor.red
+        let randomNumber = arc4random_uniform(9999)
+        screenRecord.startRecording(withFileName: "coolScreenRecording\(randomNumber)", recordingHandler: { (error) in
+            print("Recording in progress")
+        }) { (error) in
+            print("Recording Complete")
+        }
+        
+        DispatchQueue.main.asyncAfter(deadline: .now() + 2.5) { [weak self] in
+            self?.screenRecord.stopRecording()
+        }
+    }
+    
+    deinit {
+        print(String.init(format: "\(#function):%s", object_getClassName(self)))
+    }
+
+    var detailItem: NSDate? {
+        didSet {
+            // Update the view.
+            configureView()
+        }
+    }
+
+
+}
+

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/Info.plist

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UIStatusBarTintParameters</key>
+	<dict>
+		<key>UINavigationBar</key>
+		<dict>
+			<key>Style</key>
+			<string>UIBarStyleDefault</string>
+			<key>Translucent</key>
+			<false/>
+		</dict>
+	</dict>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/MasterViewController.swift

+//
+//  MasterViewController.swift
+//  ScreenRecordDemo
+//
+//  Created by 佰锐 on 2019/9/29.
+//  Copyright © 2019 admin. All rights reserved.
+//
+
+import UIKit
+
+class MasterViewController: UITableViewController {
+
+    var detailViewController: DetailViewController? = nil
+    var objects = [Any]()
+//    let screenRecord = ScreenRecordCoordinator()
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        // Do any additional setup after loading the view.
+        navigationItem.leftBarButtonItem = editButtonItem
+
+//        screenRecord.viewOverlay?.stopButtonColor = UIColor.red
+//        let randomNumber = arc4random_uniform(9999)
+//        screenRecord.startRecording(withFileName: "coolScreenRecording\(randomNumber)", recordingHandler: { (error) in
+//            print("Recording in progress")
+//        }) { (error) in
+//            print("Recording Complete")
+//        }
+        
+        let addButton = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(insertNewObject(_:)))
+        navigationItem.rightBarButtonItem = addButton
+        if let split = splitViewController {
+            let controllers = split.viewControllers
+            detailViewController = (controllers[controllers.count-1] as! UINavigationController).topViewController as? DetailViewController
+        }
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        clearsSelectionOnViewWillAppear = splitViewController!.isCollapsed
+        super.viewWillAppear(animated)
+    }
+
+    @objc
+    func insertNewObject(_ sender: Any) {
+        objects.insert(NSDate(), at: 0)
+        let indexPath = IndexPath(row: 0, section: 0)
+        tableView.insertRows(at: [indexPath], with: .automatic)
+    }
+
+    // MARK: - Segues
+
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
+        if segue.identifier == "showDetail" {
+            if let indexPath = tableView.indexPathForSelectedRow {
+                let object = objects[indexPath.row] as! NSDate
+                let controller = (segue.destination as! UINavigationController).topViewController as! DetailViewController
+                controller.detailItem = object
+                controller.navigationItem.leftBarButtonItem = splitViewController?.displayModeButtonItem
+                controller.navigationItem.leftItemsSupplementBackButton = true
+            }
+        }
+    }
+
+    // MARK: - Table View
+
+    override func numberOfSections(in tableView: UITableView) -> Int {
+        return 1
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return objects.count
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
+
+        let object = objects[indexPath.row] as! NSDate
+        cell.textLabel!.text = object.description
+        return cell
+    }
+
+    override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
+        // Return false if you do not want the specified item to be editable.
+        return true
+    }
+
+    override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
+        if editingStyle == .delete {
+            objects.remove(at: indexPath.row)
+            tableView.deleteRows(at: [indexPath], with: .fade)
+        } else if editingStyle == .insert {
+            // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view.
+        }
+    }
+
+
+}
+

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/Source/ScreenRecordCoordinator.swift

+//
+//  ScreenRecordCoordinator.swift
+//  ScreenRecordDemo
+//
+//  Created by 佰锐 on 2019/9/29.
+//  Copyright © 2019 admin. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+class ScreenRecordCoordinator: NSObject
+{
+    var viewOverlay : WindowUtil?
+    let screenRecorder = ScreenRecorder()
+    var recordCompleted:((Error?) -> Void)?
+    
+    override init()
+    {
+        super.init()
+        
+        viewOverlay = WindowUtil()
+        viewOverlay?.onStopClick = { [weak self] in
+            self?.stopRecording()
+        }
+    }
+    deinit {
+        print(String.init(format: "\(#function):%s", object_getClassName(self)))
+    }
+
+    func startRecording(withFileName fileName: String, recordingHandler: @escaping (Error?) -> Void,
+                        onCompletion: @escaping (Error?)->Void)
+    {
+        self.recordCompleted = onCompletion
+        self.viewOverlay?.show()
+        
+    }
+    
+    func stopRecording()
+    {
+        self.viewOverlay?.hide()
+        self.recordCompleted?(nil)
+    }
+}

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/Source/ScreenRecorder.swift

+//
+//  ScreenRecorder.swift
+//  ScreenRecordDemo
+//
+//  Created by 佰锐 on 2019/9/29.
+//  Copyright © 2019 admin. All rights reserved.
+//
+
+import UIKit
+
+class ScreenRecorder: NSObject {
+
+}

swiftdemo/ScreenRecordDemo/ScreenRecordDemo/Source/WindowUtil.swift

+//
+//  WindowUtil.swift
+//  ScreenRecordDemo
+//
+//  Created by 佰锐 on 2019/9/29.
+//  Copyright © 2019 admin. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+protocol Overlayable
+{
+    func show()
+    func hide()
+}
+
+class WindowUtil: NSObject, Overlayable
+{
+    var overlayWindow = UIWindow(frame: CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: 30))
+    var stopButton = UIButton(type: UIButton.ButtonType.custom)
+    var stopButtonColor = UIColor(red: 0.30, green: 0.67, blue: 0.99, alpha: 1.00)
+    var onStopClick:(() -> ())?
+    
+    override init ()
+    {
+        super.init()
+        self.setupViews()
+    }
+    
+    
+    deinit {
+        print(String.init(format: "\(#function):%s", object_getClassName(self)))
+    }
+    
+    func initViews()
+    {
+        overlayWindow = UIWindow(frame: CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: 30))
+        stopButton = UIButton(type: UIButton.ButtonType.custom)
+    }
+    
+    func hide()
+    {
+        DispatchQueue.main.async {
+            
+            UIView.animate(withDuration: 0.3, animations: {
+                self.stopButton.transform = CGAffineTransform(translationX: 0, y: -30)
+            }, completion: { (animated) in
+                self.overlayWindow.backgroundColor = .clear
+                self.overlayWindow.isHidden = true
+                self.stopButton.isHidden = true
+                self.stopButton.transform = CGAffineTransform.identity
+            })
+            
+        }
+    }
+    
+    func setupViews ()
+    {
+        initViews()
+        stopButton.setTitle("Stop Recording", for: .normal)
+        stopButton.titleLabel?.font = UIFont.systemFont(ofSize: UIFont.smallSystemFontSize)
+        
+        stopButton.addTarget(self, action: #selector(stopRecording), for: UIControl.Event.touchDown)
+        
+        stopButton.frame = overlayWindow.frame
+        overlayWindow.addSubview(stopButton)
+        overlayWindow.windowLevel = UIWindow.Level(rawValue: CGFloat.greatestFiniteMagnitude)
+        
+    }
+    
+    @objc func stopRecording()
+    {
+        onStopClick?()
+    }
+    
+    func show()
+    {
+        DispatchQueue.main.async {
+            self.stopButton.transform = CGAffineTransform(translationX: 0, y: -30)
+            self.stopButton.backgroundColor = self.stopButtonColor
+            self.overlayWindow.makeKeyAndVisible()
+            UIView.animate(withDuration: 0.3, animations: {
+                self.stopButton.transform = CGAffineTransform.identity
+            }, completion: { (animated) in
+                
+            })
+        }
+        
+    }
+}