From f5af8cf6177ad8d695792f30ab06f73d94b2f386 Mon Sep 17 00:00:00 2001
From: Eric Internicola <intere@gmail.com>
Date: Sun, 5 Aug 2018 07:54:08 -0600
Subject: [PATCH 1/8] After reading through the steps for writing Route Data to
 HealthKit
 (https://developer.apple.com/documentation/healthkit/workouts_and_activity_rings/creating_a_workout_route),
 I've added filtering to location updates to filter out any points that have a
 horizontal accuracy outside of 50 meters.

---
 GeoTrackKit/Core/GeoTrackManager.swift | 46 +++++++++++++++++++++-----
 1 file changed, 37 insertions(+), 9 deletions(-)

diff --git a/GeoTrackKit/Core/GeoTrackManager.swift b/GeoTrackKit/Core/GeoTrackManager.swift
index d6d43f9..2f78632 100644
--- a/GeoTrackKit/Core/GeoTrackManager.swift
+++ b/GeoTrackKit/Core/GeoTrackManager.swift
@@ -19,22 +19,34 @@ public class GeoTrackManager: NSObject {
     public static let shared: GeoTrackService = GeoTrackManager()
 
     // GeoTrackService stuff
-    internal var trackingState: GeoTrackState = .notTracking
+    var trackingState: GeoTrackState = .notTracking
     /// Your app's name
-    internal var appName: String = "No Application Name"
+    var appName: String = "No Application Name"
 
     // Other stuff
-    internal var locationManager: CLLocationManager?
+    var locationManager: CLLocationManager?
+
     /// The last Geo Point to be tracked
     fileprivate(set) public var lastPoint: CLLocation?
+
     /// Are we authorized for location tracking?
     fileprivate(set) public var authorized: Bool = false
+
     /// The Track
     fileprivate(set) public var track: GeoTrack?
 
     /// When we startup, if we find points to be older than this threshold, we toss them away.
     /// Defaults to 5 seconds, but you can adjust this as you see fit.
-    static var oldPointThreshold: TimeInterval = 5
+    public static var oldPointThreshold: TimeInterval = 5
+
+    /// Sets the locationManager instance and then configures it to the needs
+    /// of GeoTrackKit.
+    ///
+    /// - Parameter locationManager: The locationManager instance to set.
+    public func setLocationManager(_ locationManager: CLLocationManager?) {
+        self.locationManager = locationManager
+        configureLocationManager()
+    }
 }
 
 // MARK: - API
@@ -133,7 +145,7 @@ extension GeoTrackManager: CLLocationManagerDelegate {
 
         // Ensure that the first point is recent (not old points which we often get when tracking begins):
         if lastPoint == nil {
-            locations.forEach { (location) in
+            locations.filter({ $0.isAccurateEnough }).forEach { location in
                 guard abs(location.timestamp.timeIntervalSinceNow) < GeoTrackManager.oldPointThreshold else {
                     return
                 }
@@ -143,7 +155,7 @@ extension GeoTrackManager: CLLocationManagerDelegate {
                 return
             }
         } else {
-            recentLocations = locations
+            recentLocations = locations.filter { $0.isAccurateEnough }
         }
 
         GTDebug(message: "New Locations: \(recentLocations)")
@@ -212,7 +224,7 @@ extension GeoTrackManager: CLLocationManagerDelegate {
 
 // MARK: - Helpers
 
-fileprivate extension GeoTrackManager {
+private extension GeoTrackManager {
 
     /// Initializes the location manager and sets the preferences
     func initializeLocationManager() {
@@ -221,6 +233,14 @@ fileprivate extension GeoTrackManager {
         }
 
         let locationManager = CLLocationManager()
+        setLocationManager(locationManager)
+    }
+
+    /// Configures the locationManager
+    func configureLocationManager() {
+        guard let locationManager = locationManager else {
+            return
+        }
         locationManager.activityType = .fitness
         locationManager.desiredAccuracy = kCLLocationAccuracyBest
 
@@ -231,8 +251,6 @@ fileprivate extension GeoTrackManager {
         locationManager.distanceFilter = 10
         locationManager.allowsBackgroundLocationUpdates = true
         locationManager.delegate = self
-
-        self.locationManager = locationManager
     }
 
     /// Handles requesting always authorization from location services
@@ -265,6 +283,16 @@ fileprivate extension GeoTrackManager {
 
 }
 
+// MARK: - CLLocation
+
+extension CLLocation {
+
+    /// Is the accuracy of the point within the acceptable range?
+    var isAccurateEnough: Bool {
+        return horizontalAccuracy <= 50
+    }
+}
+
 // MARK: - Notifications
 
 public extension Notification.Name {

From a9e661f4c957473f07a5d92d56d3fa43263ad7c8 Mon Sep 17 00:00:00 2001
From: Eric Internicola <intere@gmail.com>
Date: Sun, 5 Aug 2018 09:45:15 -0600
Subject: [PATCH 2/8] First pass at writing the data to HealthKit.  It works,
 but it doesn't seem to be giving me everything I'd expect in the Activity
 App.

---
 .../Core/Map/UIModels/UIGeoTrack.swift        |  30 ++++
 GeoTrackKit/HealthKit/ActivityService.swift   | 131 ++++++++++++++++--
 .../project.pbxproj                           |   4 +
 .../GeoTrackKitExample/Info.plist             |   2 +
 .../Views/ReferenceTrack/SaveTrackCell.swift  |  22 +++
 .../TrackMapViewController.swift              |   2 +
 .../TrackOverviewTableViewController.swift    |  40 +++++-
 .../Views/ReferenceTrack/TrackView.storyboard |  27 +++-
 .../TrackImportTableViewController.swift      |   4 +
 9 files changed, 247 insertions(+), 15 deletions(-)
 create mode 100644 GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/SaveTrackCell.swift

diff --git a/GeoTrackKit/Core/Map/UIModels/UIGeoTrack.swift b/GeoTrackKit/Core/Map/UIModels/UIGeoTrack.swift
index d8f74f9..528c9a3 100644
--- a/GeoTrackKit/Core/Map/UIModels/UIGeoTrack.swift
+++ b/GeoTrackKit/Core/Map/UIModels/UIGeoTrack.swift
@@ -6,6 +6,7 @@
 //  Copyright © 2017 Eric Internicola. All rights reserved.
 //
 
+import CoreLocation
 import Foundation
 
 /// A UI Model for a track.  It keeps track of a Track (`GeoTrack`), a Track Analyzer (`GeoTrackAnalyzer`) and a collection of Legs (ascents, descents) that are currently visible
@@ -86,6 +87,35 @@ public extension UIGeoTrack {
         return analyzer.legs
     }
 
+    /// Gets you an array of points for the provided leg
+    ///
+    /// - Parameter index: The index of the leg you want to get the points for.
+    /// - Returns: An array of CLLocation objects which are the points for the leg.
+    func getPoints(forLeg index: Int) -> [CLLocation]? {
+        guard index < allLegs.count else {
+            return nil
+        }
+        let leg = allLegs[index]
+        return getPoints(for: leg)
+    }
+
+    /// Gets you an array of points for the provided leg
+    ///
+    /// - Parameter leg: The leg that you want the points for.
+    /// - Returns: An array of CLLocation objects which are teh points for the leg.
+    func getPoints(for leg: Leg) -> [CLLocation]? {
+        let range = leg.index...leg.endIndex
+
+        return Array(track.points[range])
+    }
+
+    var startDate: Date? {
+        return track.points.first?.timestamp
+    }
+
+    var endDate: Date? {
+        return track.points.last?.timestamp
+    }
 }
 
 // MARK: - Helpers
diff --git a/GeoTrackKit/HealthKit/ActivityService.swift b/GeoTrackKit/HealthKit/ActivityService.swift
index b66d828..ece10b4 100644
--- a/GeoTrackKit/HealthKit/ActivityService.swift
+++ b/GeoTrackKit/HealthKit/ActivityService.swift
@@ -29,12 +29,34 @@ public typealias TrackCallback = ([CLLocation]?, Error?) -> Void
 /// `HKWorkoutRoute` is a `HKSeriesSample`
 ///
 /// A typical workflow goes like this:
-/// 1. Ensure we are authorized: `ActivityService.shared.authorize { //...`
-/// 2. Query for the workouts: `ActivityService.shared.queryWorkouts { //...`
-/// 3. Filter down to workouts that have Routes: `ActivityService.shared.queryRoute(from: workout) { // ...`
-/// 4. Get the Track (Route) for a workout: `ActivityService.shared.queryTrack(from: workout) { // ...`
+/// 1. Set Access Type: ``
+/// 2. Ensure we are authorized: `ActivityService.shared.authorize { //...`
+/// 3. Query for the workouts: `ActivityService.shared.queryWorkouts { //...`
+/// 4. Filter down to workouts that have Routes: `ActivityService.shared.queryRoute(from: workout) { // ...`
+/// 5. Get the Track (Route) for a workout: `ActivityService.shared.queryTrack(from: workout) { // ...`
 public class ActivityService {
 
+    /// Access modes for HealthKit data
+    ///
+    /// - readonly: I only wish to read data from health kit.
+    /// - writeonly: I only wish to write data to health kit.
+    /// - readwrite: I wish to read and write data to health kit.
+    public enum AccessType {
+        case readonly
+        case writeonly
+        case readwrite
+
+        /// Does this access type have read access?
+        var readAccess: Bool {
+            return [AccessType.readonly, AccessType.readwrite].contains(self)
+        }
+
+        /// Does this access type have write access?
+        var writeAccess: Bool {
+            return [AccessType.writeonly, AccessType.readwrite].contains(self)
+        }
+    }
+
     /// Shared (singleton) instance of the `ActivityService`
     public static let shared = ActivityService()
 
@@ -46,13 +68,15 @@ public class ActivityService {
     /// The HealthKitStore (if available)
     private var store = HKHealthStore()
 
+    /// The way in which you wish to access data with HealthKit.
+    public var accessType = AccessType.readwrite
+
 }
 
 // MARK: - Authorization API
 
 extension ActivityService {
 
-
     /// Request authorization for health kit data.
     ///
     /// - Parameter callback: the callback that will hand back a boolean (indicating success or failure)
@@ -67,13 +91,15 @@ extension ActivityService {
             return callback(false, GeoTrackKitError.iOS11Required)
         }
 
-        let allTypes = Set([
+        let workoutsWithRoutes = Set([
             HKObjectType.workoutType(),
-            HKObjectType.activitySummaryType(),
             HKObjectType.seriesType(forIdentifier: HKWorkoutRouteTypeIdentifier)!
         ])
 
-        store.requestAuthorization(toShare: nil, read: allTypes) { (success, error) in
+        let shareMode = accessType.writeAccess ? workoutsWithRoutes : nil
+        let readMode = accessType.readAccess ? workoutsWithRoutes : nil
+
+        store.requestAuthorization(toShare: shareMode, read: readMode) { (success, error) in
             if let error = error {
                 callback(success, error)
                 return GTError(message: "Could not get health store authorization: \(error.localizedDescription)")
@@ -90,7 +116,94 @@ extension ActivityService {
 
 }
 
-// MARK: - Workout Queries
+// MARK: - Write APIs
+
+extension ActivityService {
+
+    /// Saves the provided track to HealthKit
+    ///
+    /// - Parameter model: the model that contains the points, legs, etc to be
+    /// saved in HealthKit.
+    public func saveTrack(_ model: UIGeoTrack, for activity: HKWorkoutActivityType) {
+        guard let startDate = model.startDate, let endDate = model.endDate, let distance = model.analyzer.stats?.totalDistance else {
+            return assertionFailure("No start / end date")
+        }
+        let elapsed = endDate.timeIntervalSince1970 - startDate.timeIntervalSince1970
+        let workout = HKWorkout(activityType: activity, start: startDate,
+                  end: endDate,
+                  duration: elapsed,
+                  totalEnergyBurned: nil,
+                  totalDistance: HKQuantity(unit: HKUnit.meter(), doubleValue: distance), metadata: nil)
+
+        store.save(workout) { (success, error) in
+            if let error = error {
+                return GTError(message: error.localizedDescription)
+            }
+            self.helpSaveTrack(model, workout: workout)
+        }
+    }
+
+    private func helpSaveTrack(_ model: UIGeoTrack, workout: HKWorkout) {
+        var savedLegs = 0
+        var failure = false
+        for leg in model.allLegs {
+            guard let points = model.getPoints(for: leg) else {
+                savedLegs += 1
+                failure = true
+                continue
+            }
+            let builder = HKWorkoutRouteBuilder(healthStore: store, device: nil)
+            builder.insertRouteData(points) { (success, error) in
+                if let error = error {
+                    savedLegs += 1
+                    failure = true
+                    return GTError(message: error.localizedDescription)
+                }
+
+                builder.finishRoute(with: workout, metadata: model.metadata(for: leg), completion: { (route, error) in
+                    savedLegs += 1
+                    if let error = error {
+                        failure = true
+                        return GTError(message: error.localizedDescription)
+                    }
+
+                })
+            }
+        }
+    }
+
+}
+
+// MARK: - UIGeoTrack extensions
+
+extension UIGeoTrack {
+
+    func averageSpeed(for leg: Leg) -> CLLocationSpeed {
+        guard let points = getPoints(for: leg) else {
+            return 0
+        }
+
+        return points.reduce(0, { $0 + $1.speed }) / CLLocationSpeed(points.count)
+    }
+
+    func metadata(for leg: Leg) -> [String: Any]? {
+        var metamap = [String: Any]()
+
+        if #available(iOS 11.2, *) {
+            if leg.direction == .downward {
+                metamap[HKMetadataKeyElevationDescended] = abs(leg.altitudeChange)
+            } else if leg.direction == .upward {
+                metamap[HKMetadataKeyElevationAscended] = abs(leg.altitudeChange)
+            }
+            metamap[HKMetadataKeyMaximumSpeed] = leg.stat.maximumSpeed
+            metamap[HKMetadataKeyAverageSpeed] = averageSpeed(for: leg)
+        }
+
+        return metamap
+    }
+}
+
+// MARK: - Read APIs
 
 extension ActivityService {
 
diff --git a/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj b/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
index f8d4fb4..a8b272a 100644
--- a/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
+++ b/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
@@ -24,6 +24,7 @@
 		36A7C6E52104CC690073407A /* TrackOverviewTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36A7C6E42104CC690073407A /* TrackOverviewTableViewController.swift */; };
 		36A7C6E72104CD120073407A /* TrackView.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 36A7C6E62104CD120073407A /* TrackView.storyboard */; };
 		36A7C6E92104D8870073407A /* LiveTrackingViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36A7C6E82104D8870073407A /* LiveTrackingViewController.swift */; };
+		36B5A61C21173EBA008D8E5D /* SaveTrackCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36B5A61B21173EBA008D8E5D /* SaveTrackCell.swift */; };
 		36C45E451DCE2D3500E87710 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36C45E441DCE2D3500E87710 /* AppDelegate.swift */; };
 		36C45E4A1DCE2D3500E87710 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 36C45E481DCE2D3500E87710 /* Main.storyboard */; };
 		36C45E4C1DCE2D3500E87710 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 36C45E4B1DCE2D3500E87710 /* Assets.xcassets */; };
@@ -64,6 +65,7 @@
 		36A7C6E42104CC690073407A /* TrackOverviewTableViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TrackOverviewTableViewController.swift; sourceTree = "<group>"; };
 		36A7C6E62104CD120073407A /* TrackView.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = TrackView.storyboard; sourceTree = "<group>"; };
 		36A7C6E82104D8870073407A /* LiveTrackingViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LiveTrackingViewController.swift; sourceTree = "<group>"; };
+		36B5A61B21173EBA008D8E5D /* SaveTrackCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SaveTrackCell.swift; sourceTree = "<group>"; };
 		36C45E411DCE2D3500E87710 /* GeoTrackKitExample.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = GeoTrackKitExample.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		36C45E441DCE2D3500E87710 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		36C45E491DCE2D3500E87710 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
@@ -179,6 +181,7 @@
 				36A7C6E42104CC690073407A /* TrackOverviewTableViewController.swift */,
 				36A7C6DE2104CC0D0073407A /* LegSwitchCell.swift */,
 				36A7C6DF2104CC0D0073407A /* TrackMapViewController.swift */,
+				36B5A61B21173EBA008D8E5D /* SaveTrackCell.swift */,
 			);
 			path = ReferenceTrack;
 			sourceTree = "<group>";
@@ -499,6 +502,7 @@
 				36A7C6E92104D8870073407A /* LiveTrackingViewController.swift in Sources */,
 				36C45E451DCE2D3500E87710 /* AppDelegate.swift in Sources */,
 				36A7C6C72100B0980073407A /* EventLogAppender.swift in Sources */,
+				36B5A61C21173EBA008D8E5D /* SaveTrackCell.swift in Sources */,
 				36A7C6D02103ECB40073407A /* ConsoleLogAppender.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Info.plist b/GeoTrackKitExample/GeoTrackKitExample/Info.plist
index bc7728b..a853cab 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Info.plist
+++ b/GeoTrackKitExample/GeoTrackKitExample/Info.plist
@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>NSHealthUpdateUsageDescription</key>
+	<string>Write workout routes to your health data.</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleDisplayName</key>
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/SaveTrackCell.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/SaveTrackCell.swift
new file mode 100644
index 0000000..b705e59
--- /dev/null
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/SaveTrackCell.swift
@@ -0,0 +1,22 @@
+//
+//  SaveTrackCell.swift
+//  GeoTrackKitExample
+//
+//  Created by Eric Internicola on 8/5/18.
+//  Copyright © 2018 Eric Internicola. All rights reserved.
+//
+
+import UIKit
+
+class SaveTrackCell: UITableViewCell {
+
+    struct Constants {
+        static let saveTrackNotification = Notification.Name(rawValue: "tapped.save.track")
+    }
+
+    @IBAction
+    func tappedSaveTrack(_ sender: Any) {
+        NotificationCenter.default.post(name: Constants.saveTrackNotification, object: nil)
+    }
+
+}
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackMapViewController.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackMapViewController.swift
index ad851d3..513895f 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackMapViewController.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackMapViewController.swift
@@ -21,6 +21,7 @@ class TrackMapViewController: UIViewController {
     }
 
     var useDemoTrack = true
+
     var legVisibleByDefault: Bool {
         return !useDemoTrack
     }
@@ -108,6 +109,7 @@ extension TrackMapViewController {
         }
         tableVC = destinationVC
         tableVC?.model = model
+        tableVC?.showSaveTrackCell = useDemoTrack
     }
 
 }
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackOverviewTableViewController.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackOverviewTableViewController.swift
index b617eda..b4779d2 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackOverviewTableViewController.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackOverviewTableViewController.swift
@@ -7,10 +7,15 @@
 //
 
 import GeoTrackKit
+import HealthKit
 import UIKit
 
 class TrackOverviewTableViewController: UITableViewController {
 
+    /// Should the "Save Track Cell" be visible?  (For Demo Track)
+    var showSaveTrackCell = false
+
+    /// Sets the Track Model
     var model: UIGeoTrack? {
         didSet {
             tableView.reloadData()
@@ -25,6 +30,23 @@ class TrackOverviewTableViewController: UITableViewController {
         super.viewDidLoad()
         tableView.estimatedRowHeight = 45
         tableView.rowHeight = UITableViewAutomaticDimension
+
+        NotificationCenter.default.addObserver(self, selector: #selector(saveTrack(_:)), name: SaveTrackCell.Constants.saveTrackNotification, object: nil)
+    }
+
+}
+
+// MARK: - Notification Handlers
+
+extension TrackOverviewTableViewController {
+
+    @objc
+    func saveTrack(_ notification: NSNotification) {
+        print("You tapped Save Track")
+        guard let model = model else {
+            return
+        }
+        ActivityService.shared.saveTrack(model, for: HKWorkoutActivityType.downhillSkiing)
     }
 
 }
@@ -34,17 +56,27 @@ class TrackOverviewTableViewController: UITableViewController {
 extension TrackOverviewTableViewController {
 
     override func numberOfSections(in tableView: UITableView) -> Int {
-        return 1
+        return 2
     }
 
     override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        guard let analyzer = analyzer else {
-            return 0
+        switch section {
+        case 0:
+            return showSaveTrackCell ? 1 : 0
+
+        default:
+            guard let analyzer = analyzer else {
+                return 0
+            }
+            return analyzer.legs.count
         }
-        return analyzer.legs.count
+
     }
 
     override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        guard indexPath.section == 1 else {
+            return tableView.dequeueReusableCell(withIdentifier: "SaveTrackCell", for: indexPath)
+        }
         let cell = tableView.dequeueReusableCell(withIdentifier: "LegSwitchCell", for: indexPath)
 
         guard let model = model, let legCell = cell as? LegSwitchCell else {
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackView.storyboard b/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackView.storyboard
index 2eea949..0e3be1d 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackView.storyboard
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/ReferenceTrack/TrackView.storyboard
@@ -4,7 +4,6 @@
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
-        <deployment identifier="iOS"/>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14088"/>
         <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
@@ -68,9 +67,33 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                         <prototypes>
-                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="LegSwitchCell" rowHeight="60" id="pAP-x2-ikh" customClass="LegSwitchCell" customModule="GeoTrackKitExample" customModuleProvider="target">
+                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" reuseIdentifier="SaveTrackCell" rowHeight="60" id="5te-h1-040" customClass="SaveTrackCell" customModule="GeoTrackKitExample" customModuleProvider="target">
                                 <rect key="frame" x="0.0" y="28" width="375" height="60"/>
                                 <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="5te-h1-040" id="57j-FG-LLj">
+                                    <rect key="frame" x="0.0" y="0.0" width="375" height="59.5"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <subviews>
+                                        <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="2Ke-vD-HD3">
+                                            <rect key="frame" x="107.5" y="19" width="160" height="22"/>
+                                            <state key="normal" title="Save Track to HealthKit"/>
+                                            <connections>
+                                                <action selector="tappedSaveTrack:" destination="5te-h1-040" eventType="touchUpInside" id="zo1-9h-a49"/>
+                                            </connections>
+                                        </button>
+                                    </subviews>
+                                    <constraints>
+                                        <constraint firstAttribute="trailingMargin" relation="greaterThanOrEqual" secondItem="2Ke-vD-HD3" secondAttribute="trailing" constant="8" id="fKj-vg-y1V"/>
+                                        <constraint firstItem="2Ke-vD-HD3" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="57j-FG-LLj" secondAttribute="leadingMargin" constant="8" id="huH-AP-PI1"/>
+                                        <constraint firstAttribute="bottomMargin" secondItem="2Ke-vD-HD3" secondAttribute="bottom" constant="8" id="k3q-nM-cvW"/>
+                                        <constraint firstItem="2Ke-vD-HD3" firstAttribute="top" secondItem="57j-FG-LLj" secondAttribute="topMargin" constant="8" id="pX7-d9-dMI"/>
+                                        <constraint firstItem="2Ke-vD-HD3" firstAttribute="centerX" secondItem="57j-FG-LLj" secondAttribute="centerX" id="x4I-BW-OXy"/>
+                                    </constraints>
+                                </tableViewCellContentView>
+                            </tableViewCell>
+                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="LegSwitchCell" rowHeight="60" id="pAP-x2-ikh" customClass="LegSwitchCell" customModule="GeoTrackKitExample" customModuleProvider="target">
+                                <rect key="frame" x="0.0" y="88" width="375" height="60"/>
+                                <autoresizingMask key="autoresizingMask"/>
                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="pAP-x2-ikh" id="ArL-vv-iLB">
                                     <rect key="frame" x="0.0" y="0.0" width="375" height="59.5"/>
                                     <autoresizingMask key="autoresizingMask"/>
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackImport/TrackImportTableViewController.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackImport/TrackImportTableViewController.swift
index 069e289..c2c5e11 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackImport/TrackImportTableViewController.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackImport/TrackImportTableViewController.swift
@@ -18,7 +18,10 @@ class TrackImportTableViewController: UITableViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
+    }
 
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
         loadTracksFromWorkouts()
     }
 
@@ -74,6 +77,7 @@ extension TrackImportTableViewController {
 
     /// Loads the tracks from the workouts for you.
     func loadTracksFromWorkouts() {
+        workouts.removeAll()
         ActivityService.shared.authorize { (success, _) in
             guard success else {
                 print("We won't be querying activities, no authorization")

From 7ec2c4989f18e212a04425e17f53fc93a9118713 Mon Sep 17 00:00:00 2001
From: Eric Internicola <intere@gmail.com>
Date: Sun, 5 Aug 2018 12:47:30 -0600
Subject: [PATCH 3/8] I've added the ability to save a track to the documents
 folder (and list the tracks in the documents folder, but I don't have a view
 for those tracks yet).

---
 GeoTrackKit/Core/GeoTrackManager.swift        | 31 +++++--
 GeoTrackKit/Core/GeoTrackService.swift        |  3 +
 .../project.pbxproj                           |  4 +
 .../GeoTrackKitExample/AppDelegate.swift      |  3 +
 .../Services/TrackFileService.swift           | 89 +++++++++++++++++++
 .../LiveTrackingViewController.swift          |  2 +-
 .../TrackConsoleViewController.swift          |  3 +-
 README.md                                     |  5 +-
 8 files changed, 131 insertions(+), 9 deletions(-)
 create mode 100644 GeoTrackKitExample/GeoTrackKitExample/Services/TrackFileService.swift

diff --git a/GeoTrackKit/Core/GeoTrackManager.swift b/GeoTrackKit/Core/GeoTrackManager.swift
index 2f78632..7cb1832 100644
--- a/GeoTrackKit/Core/GeoTrackManager.swift
+++ b/GeoTrackKit/Core/GeoTrackManager.swift
@@ -73,6 +73,16 @@ extension GeoTrackManager: GeoTrackService {
         return trackingState == .awaitingFix
     }
 
+    /// Resets the current track
+    public func reset() {
+        guard trackingState == .notTracking else {
+            assertionFailure("reset() cannot be called when tracking")
+            return GTError(message: "reset() cannot be called when tracking")
+        }
+        lastPoint = nil
+        track = nil
+    }
+
     /// Attempts to start tracking (if we're not already).
     public func startTracking() {
         GTInfo(message: "User requested Start Tracking")
@@ -84,6 +94,7 @@ extension GeoTrackManager: GeoTrackService {
         initializeLocationManager()
         beginLocationUpdates()
         trackingState = .awaitingFix
+        NotificationCenter.default.post(name: Notification.GeoTrackKit.trackingStarted, object: nil)
     }
 
     /// Stops tracking
@@ -92,6 +103,7 @@ extension GeoTrackManager: GeoTrackService {
 
         endLocationUpdates()
         trackingState = .notTracking
+        NotificationCenter.default.post(name: Notification.GeoTrackKit.trackingStopped, object: nil)
     }
 }
 
@@ -170,7 +182,7 @@ extension GeoTrackManager: CLLocationManagerDelegate {
             return
         }
         track.add(locations: recentLocations)
-        NotificationCenter.default.post(name: Notification.Name.GeoTrackKit.didUpdateLocations, object: recentLocations)
+        NotificationCenter.default.post(name: Notification.GeoTrackKit.didUpdateLocations, object: recentLocations)
     }
 
     /// Handles location tracking pauses
@@ -179,7 +191,7 @@ extension GeoTrackManager: CLLocationManagerDelegate {
     public func locationManagerDidPauseLocationUpdates(_ manager: CLLocationManager) {
         GTDebug(message: "Paused Location Updates")
         track?.pauseTracking(message: "locationManagerDidPauseLocationUpdates event")
-        NotificationCenter.default.post(name: Notification.Name.GeoTrackKit.didPauseLocationUpdates, object: nil)
+        NotificationCenter.default.post(name: Notification.GeoTrackKit.didPauseLocationUpdates, object: nil)
     }
 
     /// Handles location tracking resuming.
@@ -188,7 +200,7 @@ extension GeoTrackManager: CLLocationManagerDelegate {
     public func locationManagerDidResumeLocationUpdates(_ manager: CLLocationManager) {
         GTDebug(message: "Resumed Location Updates")
         track?.startTracking(message: "locationManagerDidResumeLocationUpdates event")
-        NotificationCenter.default.post(name: Notification.Name.GeoTrackKit.didResumeLocationUpdates, object: nil)
+        NotificationCenter.default.post(name: Notification.GeoTrackKit.didResumeLocationUpdates, object: nil)
     }
 
     /// Handles location tracking errors
@@ -199,7 +211,7 @@ extension GeoTrackManager: CLLocationManagerDelegate {
     public func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
         GTError(message: "Failed to perform location tracking: \(error.localizedDescription), \(error)")
         track?.error(error: error)
-        NotificationCenter.default.post(name: Notification.Name.GeoTrackKit.didFailWithError, object: error)
+        NotificationCenter.default.post(name: Notification.GeoTrackKit.didFailWithError, object: error)
     }
 
     /// Handles deferred update errors.
@@ -217,7 +229,7 @@ extension GeoTrackManager: CLLocationManagerDelegate {
         } else {
             track?.error(message: "locationManager:didFinishDeferredUpdatesWithError: nil error")
         }
-        NotificationCenter.default.post(name: Notification.Name.GeoTrackKit.didFinishDeferredUpdatesWithError, object: error)
+        NotificationCenter.default.post(name: Notification.GeoTrackKit.didFinishDeferredUpdatesWithError, object: error)
     }
 
 }
@@ -295,10 +307,17 @@ extension CLLocation {
 
 // MARK: - Notifications
 
-public extension Notification.Name {
+public extension Notification {
 
     /// GeoTrackKit notification constants
     public struct GeoTrackKit {
+
+        /// Notification that the user has started tracking
+        public static let trackingStarted = Notification.Name(rawValue: "com.geotrackkit.user.started.tracking")
+
+        /// Notification that the user has stopped tracking
+        public static let trackingStopped = Notification.Name(rawValue: "com.geotrackkit.user.stopped.tracking")
+
         /// Notofication that the location was updated
         public static let didUpdateLocations = Notification.Name(rawValue: "com.geotrackkit.did.update.locations")
 
diff --git a/GeoTrackKit/Core/GeoTrackService.swift b/GeoTrackKit/Core/GeoTrackService.swift
index e672ed1..80159c8 100644
--- a/GeoTrackKit/Core/GeoTrackService.swift
+++ b/GeoTrackKit/Core/GeoTrackService.swift
@@ -32,6 +32,9 @@ public protocol GeoTrackService {
     /// The most recently tracked point
     var lastPoint: CLLocation? { get }
 
+    /// Resets the current track
+    func reset()
+
     /// Starts tracking
     func startTracking()
 
diff --git a/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj b/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
index a8b272a..5bd2fdc 100644
--- a/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
+++ b/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
@@ -10,6 +10,7 @@
 		0E1E09A3899897CDAE589A5B /* Pods_GeoTrackKitExample.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8A51639AB7B6B4BAEF27C313 /* Pods_GeoTrackKitExample.framework */; };
 		1B2451A1B46FD1E813C13A25 /* Pods_GeoTrackKitExampleTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A6E72B23B9554498B66030FE /* Pods_GeoTrackKitExampleTests.framework */; };
 		36302DB9210E17B400834A1D /* GeoTrackKitErrorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36302DB8210E17B400834A1D /* GeoTrackKitErrorTests.swift */; };
+		3665F7D521176FA200B58BBA /* TrackFileService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3665F7D421176FA200B58BBA /* TrackFileService.swift */; };
 		366CE43C1DFCAC360090BD42 /* GeoTrackSerializationTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 366CE43B1DFCAC360090BD42 /* GeoTrackSerializationTests.swift */; };
 		368A87AE1E6332C1003D115A /* reference-track-1.json in Resources */ = {isa = PBXBuildFile; fileRef = 368A87AD1E6332C1003D115A /* reference-track-1.json */; };
 		368A87B11E63332E003D115A /* TrackReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 368A87B01E63332E003D115A /* TrackReader.swift */; };
@@ -51,6 +52,7 @@
 
 /* Begin PBXFileReference section */
 		36302DB8210E17B400834A1D /* GeoTrackKitErrorTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeoTrackKitErrorTests.swift; sourceTree = "<group>"; };
+		3665F7D421176FA200B58BBA /* TrackFileService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrackFileService.swift; sourceTree = "<group>"; };
 		366CE43B1DFCAC360090BD42 /* GeoTrackSerializationTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeoTrackSerializationTests.swift; sourceTree = "<group>"; };
 		368A87AD1E6332C1003D115A /* reference-track-1.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = "reference-track-1.json"; sourceTree = "<group>"; };
 		368A87B01E63332E003D115A /* TrackReader.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TrackReader.swift; sourceTree = "<group>"; };
@@ -150,6 +152,7 @@
 			children = (
 				36A7C6C62100B0980073407A /* EventLogAppender.swift */,
 				36A7C6CF2103ECB40073407A /* ConsoleLogAppender.swift */,
+				3665F7D421176FA200B58BBA /* TrackFileService.swift */,
 			);
 			path = Services;
 			sourceTree = "<group>";
@@ -496,6 +499,7 @@
 			files = (
 				36A7C6E02104CC0D0073407A /* LegSwitchCell.swift in Sources */,
 				36A7C6E52104CC690073407A /* TrackOverviewTableViewController.swift in Sources */,
+				3665F7D521176FA200B58BBA /* TrackFileService.swift in Sources */,
 				36A7C6E12104CC0D0073407A /* TrackMapViewController.swift in Sources */,
 				36A7C6DD2104CBFE0073407A /* TrackConsoleViewController.swift in Sources */,
 				36D099B7210B6A2C00C8C841 /* TrackImportTableViewController.swift in Sources */,
diff --git a/GeoTrackKitExample/GeoTrackKitExample/AppDelegate.swift b/GeoTrackKitExample/GeoTrackKitExample/AppDelegate.swift
index 45e7fea..50f862c 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/AppDelegate.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/AppDelegate.swift
@@ -22,6 +22,9 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         GeoTrackEventLog.shared.add(appender: ConsoleLogAppender.shared)
         #endif
 
+        // Bootstrap the TrackFileService
+        TrackFileService.shared
+
         return true
     }
 
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Services/TrackFileService.swift b/GeoTrackKitExample/GeoTrackKitExample/Services/TrackFileService.swift
new file mode 100644
index 0000000..9b93e98
--- /dev/null
+++ b/GeoTrackKitExample/GeoTrackKitExample/Services/TrackFileService.swift
@@ -0,0 +1,89 @@
+//
+//  TrackFileService.swift
+//  GeoTrackKitExample
+//
+//  Created by Eric Internicola on 8/5/18.
+//  Copyright © 2018 Eric Internicola. All rights reserved.
+//
+
+import Foundation
+import GeoTrackKit
+
+class TrackFileService {
+    static let shared = TrackFileService()
+
+    /// Gets you the track files in the folder
+    ///
+    /// - Returns: a list of track files in the folder
+    var trackFiles: [String] {
+        // Full path to documents directory
+        let docs = fileManager.urls(for: .documentDirectory, in: .userDomainMask)[0].path
+
+        // List all contents of directory and return as [String] OR nil if failed
+        return (try? fileManager.contentsOfDirectory(atPath: docs).filter({ $0.hasSuffix(Constants.trackSuffix) })) ?? []
+    }
+
+    /// Saves the provided track to a file.
+    ///
+    /// - Parameter track: The track to save.
+    func save(track: UIGeoTrack) {
+        guard let startDate = track.startDate else {
+            return assertionFailure("Failed to get start date from track")
+        }
+        let fileName = Constants.formatter.string(from: startDate) + Constants.trackSuffix
+        let fullPath = "\(documents)/\(fileName)"
+
+        guard let jsonData = try? JSONSerialization.data(withJSONObject: track.track.map, options: []) else {
+            return assertionFailure("Failed to create JSON Data for track")
+        }
+
+        let fileUrl = URL(fileURLWithPath: fullPath)
+        do {
+            try jsonData.write(to: fileUrl)
+            print("Wrote new track file: \(fileUrl.absoluteString)")
+        } catch {
+            print("ERROR: \(error.localizedDescription)")
+        }
+    }
+
+    init() {
+        NotificationCenter.default.addObserver(self, selector: #selector(stoppedTracking(_:)), name: Notification.GeoTrackKit.trackingStopped, object: nil)
+    }
+}
+
+// MARK: - Event Handlers
+
+extension TrackFileService {
+
+    @objc
+    func stoppedTracking(_ notification: NSNotification) {
+        guard let track = GeoTrackManager.shared.track else {
+            return assertionFailure("Failed to locate a track to save")
+        }
+
+        self.save(track: UIGeoTrack(with: track))
+    }
+}
+
+// MARK: - Implementation
+
+private extension TrackFileService {
+
+    struct Constants {
+        static let trackSuffix = "-track.json"
+        static let formatter: DateFormatter = {
+            let dateFormatter = DateFormatter()
+            dateFormatter.dateFormat = "yyyy_MMM_dd_HH_mm_ss"
+            return dateFormatter
+        }()
+    }
+
+    var fileManager: FileManager {
+        return FileManager.default
+    }
+
+    var documents: String {
+        return fileManager.urls(for: .documentDirectory, in: .userDomainMask)[0].path
+    }
+
+}
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/LiveTracking/LiveTrackingViewController.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/LiveTracking/LiveTrackingViewController.swift
index 427717b..0c82443 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Views/LiveTracking/LiveTrackingViewController.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/LiveTracking/LiveTrackingViewController.swift
@@ -20,7 +20,7 @@ class LiveTrackingViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
-        NotificationCenter.default.addObserver(self, selector: #selector(trackUpdated), name: Notification.Name.GeoTrackKit.didUpdateLocations, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(trackUpdated), name: Notification.GeoTrackKit.didUpdateLocations, object: nil)
     }
 }
 
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackConsole/TrackConsoleViewController.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackConsole/TrackConsoleViewController.swift
index 9122b89..820abf5 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackConsole/TrackConsoleViewController.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackConsole/TrackConsoleViewController.swift
@@ -28,7 +28,7 @@ class TrackConsoleViewController: UIViewController {
 
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
-        NotificationCenter.default.addObserver(self, selector: #selector(locationDidUpdate(_:)), name: Notification.Name.GeoTrackKit.didUpdateLocations, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(locationDidUpdate(_:)), name: Notification.GeoTrackKit.didUpdateLocations, object: nil)
     }
 
     @IBAction
@@ -58,6 +58,7 @@ fileprivate extension TrackConsoleViewController {
         if GeoTrackManager.shared.isTracking {
             GeoTrackManager.shared.stopTracking()
         } else {
+            GeoTrackManager.shared.reset()
             GeoTrackManager.shared.startTracking()
         }
         updateButtonText()
diff --git a/README.md b/README.md
index 50cc4e5..9d793e3 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,9 @@
 - Pull tracks in from HealthKit (Activity App)
     - `NOTE:` This is an iOS 11+ only feature and requires a physical device to test
     - This capability is in a subspec: `HealthKit`
+- Write tracks to HealthKit
+    - `NOTE:` This is an iOS 11+ only feature and requires a physical device to test
+    - This capability is in a subspec: `HealthKit`
 - Example App to demonstrate capabilities
 
 
@@ -35,7 +38,7 @@ This project is currently a work in progress.
 ### Example App
 
 TODO:
-- [ ] Save tracks to disk
+- [x] Save tracks to disk
 - [ ] Provide a track list
 - [x] Pull tracks in from HealthKit
 

From 4012694457996e5f5e926d1e371f2a5ba36a42c1 Mon Sep 17 00:00:00 2001
From: Eric Internicola <intere@gmail.com>
Date: Sun, 5 Aug 2018 12:55:06 -0600
Subject: [PATCH 4/8] Updated the README and added some icons for a track list
 tab icon.

---
 .../track_list.imageset/Contents.json         |  23 ++++++++++++++++++
 .../track_list.imageset/track_list.png        | Bin 0 -> 658 bytes
 .../track_list.imageset/track_list@2x.png     | Bin 0 -> 1304 bytes
 .../track_list.imageset/track_list@3x.png     | Bin 0 -> 2160 bytes
 README.md                                     |   4 +++
 5 files changed, 27 insertions(+)
 create mode 100644 GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/Contents.json
 create mode 100644 GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list.png
 create mode 100644 GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@2x.png
 create mode 100644 GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@3x.png

diff --git a/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/Contents.json b/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/Contents.json
new file mode 100644
index 0000000..e4e5f77
--- /dev/null
+++ b/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/Contents.json
@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "track_list.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "track_list@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "track_list@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list.png b/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list.png
new file mode 100644
index 0000000000000000000000000000000000000000..56265bc90f7be220512074f2527c2257f423282f
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literal 0
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diff --git a/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@2x.png b/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@2x.png
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HcmV?d00001

diff --git a/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@3x.png b/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@3x.png
new file mode 100644
index 0000000000000000000000000000000000000000..6ab68843e2fb9d2cfd666fb817deb18e808c213a
GIT binary patch
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HcmV?d00001

diff --git a/README.md b/README.md
index 9d793e3..bf36205 100644
--- a/README.md
+++ b/README.md
@@ -93,3 +93,7 @@ See the generated documentation in the [`docs`](https://intere.github.io/GeoTrac
     - <div>Icons made by <a href="http://www.freepik.com" title="Freepik">Freepik</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a> is licensed by <a href="http://creativecommons.org/licenses/by/3.0/" title="Creative Commons BY 3.0" target="_blank">CC 3.0 BY</a></div>
 - [Map Location free icon](https://www.flaticon.com/free-icon/map-location_149985#term=gps&page=1&position=24)
     - <div>Icons made by <a href="https://www.flaticon.com/authors/smashicons" title="Smashicons">Smashicons</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a> is licensed by <a href="http://creativecommons.org/licenses/by/3.0/" title="Creative Commons BY 3.0" target="_blank">CC 3.0 BY</a></div>
+- [List Icon](https://www.flaticon.com/free-icon/list_149367#term=listing&page=1&position=2)
+    - <div>Icons made by <a href="https://www.flaticon.com/authors/smashicons" title="Smashicons">Smashicons</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a> is licensed by <a href="http://creativecommons.org/licenses/by/3.0/" title="Creative Commons BY 3.0" target="_blank">CC 3.0 BY</a></div>
+
+I've taken the above images and converted them into less than 50x50 icons to use for tabs

From cfb169caacee649db733ffeb30785d12e016b18d Mon Sep 17 00:00:00 2001
From: Eric Internicola <intere@gmail.com>
Date: Sun, 5 Aug 2018 19:32:15 -0600
Subject: [PATCH 5/8] Added a file list that will also show the track you've
 selected.

---
 .../project.pbxproj                           | 16 +++++
 .../Base.lproj/Main.storyboard                | 12 +++-
 .../Services/TrackFileService.swift           | 11 ++--
 .../Views/TrackList/TrackList.storyboard      | 63 +++++++++++++++++++
 .../TrackListTableViewController.swift        | 57 +++++++++++++++++
 5 files changed, 153 insertions(+), 6 deletions(-)
 create mode 100644 GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackList.storyboard
 create mode 100644 GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift

diff --git a/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj b/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
index 5bd2fdc..515cff5 100644
--- a/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
+++ b/GeoTrackKitExample/GeoTrackKitExample.xcodeproj/project.pbxproj
@@ -11,6 +11,7 @@
 		1B2451A1B46FD1E813C13A25 /* Pods_GeoTrackKitExampleTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A6E72B23B9554498B66030FE /* Pods_GeoTrackKitExampleTests.framework */; };
 		36302DB9210E17B400834A1D /* GeoTrackKitErrorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36302DB8210E17B400834A1D /* GeoTrackKitErrorTests.swift */; };
 		3665F7D521176FA200B58BBA /* TrackFileService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3665F7D421176FA200B58BBA /* TrackFileService.swift */; };
+		36682DFF2117BC0C0076A6A8 /* TrackListTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36682DFE2117BC0C0076A6A8 /* TrackListTableViewController.swift */; };
 		366CE43C1DFCAC360090BD42 /* GeoTrackSerializationTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 366CE43B1DFCAC360090BD42 /* GeoTrackSerializationTests.swift */; };
 		368A87AE1E6332C1003D115A /* reference-track-1.json in Resources */ = {isa = PBXBuildFile; fileRef = 368A87AD1E6332C1003D115A /* reference-track-1.json */; };
 		368A87B11E63332E003D115A /* TrackReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 368A87B01E63332E003D115A /* TrackReader.swift */; };
@@ -26,6 +27,7 @@
 		36A7C6E72104CD120073407A /* TrackView.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 36A7C6E62104CD120073407A /* TrackView.storyboard */; };
 		36A7C6E92104D8870073407A /* LiveTrackingViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36A7C6E82104D8870073407A /* LiveTrackingViewController.swift */; };
 		36B5A61C21173EBA008D8E5D /* SaveTrackCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36B5A61B21173EBA008D8E5D /* SaveTrackCell.swift */; };
+		36B5A61F2117BA60008D8E5D /* TrackList.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 36B5A61E2117BA60008D8E5D /* TrackList.storyboard */; };
 		36C45E451DCE2D3500E87710 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36C45E441DCE2D3500E87710 /* AppDelegate.swift */; };
 		36C45E4A1DCE2D3500E87710 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 36C45E481DCE2D3500E87710 /* Main.storyboard */; };
 		36C45E4C1DCE2D3500E87710 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 36C45E4B1DCE2D3500E87710 /* Assets.xcassets */; };
@@ -53,6 +55,7 @@
 /* Begin PBXFileReference section */
 		36302DB8210E17B400834A1D /* GeoTrackKitErrorTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeoTrackKitErrorTests.swift; sourceTree = "<group>"; };
 		3665F7D421176FA200B58BBA /* TrackFileService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrackFileService.swift; sourceTree = "<group>"; };
+		36682DFE2117BC0C0076A6A8 /* TrackListTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrackListTableViewController.swift; sourceTree = "<group>"; };
 		366CE43B1DFCAC360090BD42 /* GeoTrackSerializationTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeoTrackSerializationTests.swift; sourceTree = "<group>"; };
 		368A87AD1E6332C1003D115A /* reference-track-1.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = "reference-track-1.json"; sourceTree = "<group>"; };
 		368A87B01E63332E003D115A /* TrackReader.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TrackReader.swift; sourceTree = "<group>"; };
@@ -68,6 +71,7 @@
 		36A7C6E62104CD120073407A /* TrackView.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = TrackView.storyboard; sourceTree = "<group>"; };
 		36A7C6E82104D8870073407A /* LiveTrackingViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LiveTrackingViewController.swift; sourceTree = "<group>"; };
 		36B5A61B21173EBA008D8E5D /* SaveTrackCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SaveTrackCell.swift; sourceTree = "<group>"; };
+		36B5A61E2117BA60008D8E5D /* TrackList.storyboard */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; path = TrackList.storyboard; sourceTree = "<group>"; };
 		36C45E411DCE2D3500E87710 /* GeoTrackKitExample.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = GeoTrackKitExample.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		36C45E441DCE2D3500E87710 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		36C45E491DCE2D3500E87710 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
@@ -160,6 +164,7 @@
 		36A7C6D52104C7480073407A /* Views */ = {
 			isa = PBXGroup;
 			children = (
+				36B5A61D2117BA2D008D8E5D /* TrackList */,
 				36D099B3210B64D900C8C841 /* TrackImport */,
 				36A7C6D72104C7480073407A /* TrackConsole */,
 				36A7C6D82104C7480073407A /* ReferenceTrack */,
@@ -198,6 +203,15 @@
 			path = LiveTracking;
 			sourceTree = "<group>";
 		};
+		36B5A61D2117BA2D008D8E5D /* TrackList */ = {
+			isa = PBXGroup;
+			children = (
+				36B5A61E2117BA60008D8E5D /* TrackList.storyboard */,
+				36682DFE2117BC0C0076A6A8 /* TrackListTableViewController.swift */,
+			);
+			path = TrackList;
+			sourceTree = "<group>";
+		};
 		36C45E381DCE2D3500E87710 = {
 			isa = PBXGroup;
 			children = (
@@ -403,6 +417,7 @@
 				36A7C6DB2104CBF30073407A /* TrackConsole.storyboard in Resources */,
 				36C45E4F1DCE2D3500E87710 /* LaunchScreen.storyboard in Resources */,
 				36E3C43D1F4A0817005738DB /* reference-track-1.json in Resources */,
+				36B5A61F2117BA60008D8E5D /* TrackList.storyboard in Resources */,
 				36A7C6E72104CD120073407A /* TrackView.storyboard in Resources */,
 				36C45E4C1DCE2D3500E87710 /* Assets.xcassets in Resources */,
 				36D099B5210B64E200C8C841 /* TrackImport.storyboard in Resources */,
@@ -502,6 +517,7 @@
 				3665F7D521176FA200B58BBA /* TrackFileService.swift in Sources */,
 				36A7C6E12104CC0D0073407A /* TrackMapViewController.swift in Sources */,
 				36A7C6DD2104CBFE0073407A /* TrackConsoleViewController.swift in Sources */,
+				36682DFF2117BC0C0076A6A8 /* TrackListTableViewController.swift in Sources */,
 				36D099B7210B6A2C00C8C841 /* TrackImportTableViewController.swift in Sources */,
 				36A7C6E92104D8870073407A /* LiveTrackingViewController.swift in Sources */,
 				36C45E451DCE2D3500E87710 /* AppDelegate.swift in Sources */,
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Base.lproj/Main.storyboard b/GeoTrackKitExample/GeoTrackKitExample/Base.lproj/Main.storyboard
index 57a0c63..58350cf 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Base.lproj/Main.storyboard
+++ b/GeoTrackKitExample/GeoTrackKitExample/Base.lproj/Main.storyboard
@@ -4,7 +4,6 @@
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
-        <deployment identifier="iOS"/>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14088"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -19,6 +18,7 @@
                         <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                     </tabBar>
                     <connections>
+                        <segue destination="295-cY-uc9" kind="relationship" relationship="viewControllers" id="mpr-OR-5OK"/>
                         <segue destination="tBK-oR-W6E" kind="relationship" relationship="viewControllers" id="0g8-hp-Ff4"/>
                         <segue destination="OVK-Q8-tUv" kind="relationship" relationship="viewControllers" id="H0b-r1-kbD"/>
                         <segue destination="OaI-S6-tDf" kind="relationship" relationship="viewControllers" id="dcO-FC-dRU"/>
@@ -49,6 +49,16 @@
             </objects>
             <point key="canvasLocation" x="-257" y="-1258"/>
         </scene>
+        <!--TrackList-->
+        <scene sceneID="Meu-z8-Ry5">
+            <objects>
+                <viewControllerPlaceholder storyboardName="TrackList" id="295-cY-uc9" sceneMemberID="viewController">
+                    <tabBarItem key="tabBarItem" title="Item" id="2SL-dZ-w0r"/>
+                </viewControllerPlaceholder>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dG5-HQ-RBW" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-272" y="-1568"/>
+        </scene>
         <!--LiveTrackView-->
         <scene sceneID="NfS-Us-370">
             <objects>
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Services/TrackFileService.swift b/GeoTrackKitExample/GeoTrackKitExample/Services/TrackFileService.swift
index 9b93e98..d71bea9 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Services/TrackFileService.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/Services/TrackFileService.swift
@@ -12,6 +12,10 @@ import GeoTrackKit
 class TrackFileService {
     static let shared = TrackFileService()
 
+    var documents: String {
+        return fileManager.urls(for: .documentDirectory, in: .userDomainMask)[0].path
+    }
+
     /// Gets you the track files in the folder
     ///
     /// - Returns: a list of track files in the folder
@@ -20,7 +24,8 @@ class TrackFileService {
         let docs = fileManager.urls(for: .documentDirectory, in: .userDomainMask)[0].path
 
         // List all contents of directory and return as [String] OR nil if failed
-        return (try? fileManager.contentsOfDirectory(atPath: docs).filter({ $0.hasSuffix(Constants.trackSuffix) })) ?? []
+        let fileList = (try? fileManager.contentsOfDirectory(atPath: docs).filter({ $0.hasSuffix(Constants.trackSuffix) })) ?? []
+        return fileList.sorted(by: { $0 > $1 })
     }
 
     /// Saves the provided track to a file.
@@ -82,8 +87,4 @@ private extension TrackFileService {
         return FileManager.default
     }
 
-    var documents: String {
-        return fileManager.urls(for: .documentDirectory, in: .userDomainMask)[0].path
-    }
-
 }
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackList.storyboard b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackList.storyboard
new file mode 100644
index 0000000..5397813
--- /dev/null
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackList.storyboard
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14113" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="5S7-ck-LAX">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14088"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Track List Table View Controller-->
+        <scene sceneID="G9o-hm-phl">
+            <objects>
+                <tableViewController storyboardIdentifier="TrackListTableViewController" id="4t3-Jk-XTa" customClass="TrackListTableViewController" customModule="GeoTrackKitExample" 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="HaK-UQ-sKC">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                        <prototypes>
+                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" reuseIdentifier="TrackCell" id="Pyg-av-txp">
+                                <rect key="frame" x="0.0" y="28" width="375" height="44"/>
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="Pyg-av-txp" id="ba2-mp-UG0">
+                                    <rect key="frame" x="0.0" y="0.0" width="375" height="43.5"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                </tableViewCellContentView>
+                            </tableViewCell>
+                        </prototypes>
+                        <connections>
+                            <outlet property="dataSource" destination="4t3-Jk-XTa" id="Mih-n4-Mo8"/>
+                            <outlet property="delegate" destination="4t3-Jk-XTa" id="Ib9-9O-m1L"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" id="sIB-0r-nx8"/>
+                </tableViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="Ueb-jf-Jp8" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="1657" y="155"/>
+        </scene>
+        <!--Navigation Controller-->
+        <scene sceneID="feI-8N-pMB">
+            <objects>
+                <navigationController automaticallyAdjustsScrollViewInsets="NO" id="5S7-ck-LAX" sceneMemberID="viewController">
+                    <tabBarItem key="tabBarItem" title="" image="track_list" id="Tqa-dC-5db"/>
+                    <toolbarItems/>
+                    <navigationBar key="navigationBar" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" id="7mL-Qb-6Jz">
+                        <rect key="frame" x="0.0" y="20" width="375" height="44"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <nil name="viewControllers"/>
+                    <connections>
+                        <segue destination="4t3-Jk-XTa" kind="relationship" relationship="rootViewController" id="ADD-j8-J5g"/>
+                    </connections>
+                </navigationController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="jAA-wJ-8HX" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="844" y="155.17241379310346"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="track_list" width="45" height="45"/>
+    </resources>
+</document>
diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift
new file mode 100644
index 0000000..b8acb0b
--- /dev/null
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift
@@ -0,0 +1,57 @@
+//
+//  TrackListTableViewController.swift
+//  GeoTrackKitExample
+//
+//  Created by Eric Internicola on 8/5/18.
+//  Copyright © 2018 Eric Internicola. All rights reserved.
+//
+
+import GeoTrackKit
+import UIKit
+
+class TrackListTableViewController: UITableViewController {
+
+    var trackList = [String]()
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        trackList = TrackFileService.shared.trackFiles
+        tableView.reloadData()
+    }
+
+    // MARK: - Table view data source
+
+    override func numberOfSections(in tableView: UITableView) -> Int {
+        return 1
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return trackList.count
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: "TrackCell", for: indexPath)
+        cell.textLabel?.text = trackList[indexPath.row]
+        return cell
+    }
+
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        let filePath = "\(TrackFileService.shared.documents)/\(trackList[indexPath.row])"
+        guard let data = try? Data(contentsOf: URL(fileURLWithPath: filePath)) else {
+            return assertionFailure("Failed to open file: \(trackList[indexPath.row])")
+        }
+        guard let jsonData = try? JSONSerialization.jsonObject(with: data, options: []) else {
+            return assertionFailure("Failed to read json content from: \(filePath)")
+        }
+        guard let jsonMap = jsonData as? [String: Any], let track = GeoTrack.fromMap(map: jsonMap) else {
+            return assertionFailure("Wrong data type")
+        }
+
+        let map = TrackMapViewController.loadFromStoryboard()
+        map.model = UIGeoTrack(with: track)
+        map.useDemoTrack = false
+
+        navigationController?.pushViewController(map, animated: true)
+    }
+
+}

From a4db5232d78a38f51abd3296691b6c8cd3e27eba Mon Sep 17 00:00:00 2001
From: Eric Internicola <intere@gmail.com>
Date: Mon, 6 Aug 2018 07:55:53 -0600
Subject: [PATCH 6/8] Some minor UX / UI cleanup.

---
 .../track_list.imageset/track_list.png        | Bin 658 -> 557 bytes
 .../track_list.imageset/track_list@2x.png     | Bin 1304 -> 1177 bytes
 .../track_list.imageset/track_list@3x.png     | Bin 2160 -> 1971 bytes
 .../TrackListTableViewController.swift        |  13 +++++++++++++
 4 files changed, 13 insertions(+)

diff --git a/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list.png b/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list.png
index 56265bc90f7be220512074f2527c2257f423282f..f2736cd4ea64668f45c49e293f855e26a5d471ee 100644
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diff --git a/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@2x.png b/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@2x.png
index f54d9dad425695b8c69a7b924d91a6a227a6f23e..0cfe7bb4b1024cc6c97bc60229f3c04a9285e819 100644
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diff --git a/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@3x.png b/GeoTrackKitExample/GeoTrackKitExample/Assets.xcassets/track_list.imageset/track_list@3x.png
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zE`_8MjqQTBC$(}$^wTQ6Zla9Vm_ps(e)RW!5P=vTN=tF%;Wb^jYK5s4osF&^;YQT6
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zi0xXiw=r~9dOexXq~y;+Y!MyxnLE!VBU3izOQSM-FZc03AAD^NKCkw*EhFljPu_&?
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zh+`$)EX3a(ch7+G;{HOAtOkyc&I&A4yX*gBTo|Kolsh$1%sWxjPW$1D068^g<iIdz
t|3a;cp$%`Epb&<4#_Qz%YtscJw#AM*t>cU#dU$})>@m)^)z*Fqe*k2Ol@kB}

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zsjMKW(@+^#iBT59*kIm1&@kktQo`oEx1{xMfUdoRyH6@4A$=Abh(pR}20M;VXua``
z-M@5sZm?}NZh2~>Eb7mC+fPdy!lv%1Kf?zxF>_@X0s;c2^>`}00HTli5bz?_4pB19
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z%Jt!qzy=q1nrcM_$$*~s(8C9z>>Ma#Vgk=BuLy&xWpg}y>|GU{XN;?Nr}gOlPZ&QQ
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s3!+_b0-FE~qixDGjq}Q9%)NeW5BI|<cPXW!w_XSU&I#{W=Ri#U2hNxK-v9sr

diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift
index b8acb0b..f3d0c7f 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift
@@ -17,6 +17,7 @@ class TrackListTableViewController: UITableViewController {
         super.viewWillAppear(animated)
         trackList = TrackFileService.shared.trackFiles
         tableView.reloadData()
+        tableView.tableFooterView = UIView()
     }
 
     // MARK: - Table view data source
@@ -26,16 +27,28 @@ class TrackListTableViewController: UITableViewController {
     }
 
     override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        guard trackList.count > 0 else {
+            return 1
+        }
         return trackList.count
     }
 
     override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        guard trackList.count > 0 else {
+            let cell = UITableViewCell()
+            cell.textLabel?.text = "No tracks yet"
+            cell.textLabel?.textAlignment = .center
+            return cell
+        }
         let cell = tableView.dequeueReusableCell(withIdentifier: "TrackCell", for: indexPath)
         cell.textLabel?.text = trackList[indexPath.row]
         return cell
     }
 
     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        guard trackList.count > 0 else {
+            return
+        }
         let filePath = "\(TrackFileService.shared.documents)/\(trackList[indexPath.row])"
         guard let data = try? Data(contentsOf: URL(fileURLWithPath: filePath)) else {
             return assertionFailure("Failed to open file: \(trackList[indexPath.row])")

From c0c88ec3d29c6fbe5865fb676b0abd21ac06de3f Mon Sep 17 00:00:00 2001
From: Eric Internicola <intere@gmail.com>
Date: Fri, 10 Aug 2018 11:29:53 -0600
Subject: [PATCH 7/8] I've added the ability to share a track file from the
 example app.

---
 .../TrackListTableViewController.swift        | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift
index f3d0c7f..c262e3f 100644
--- a/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift
+++ b/GeoTrackKitExample/GeoTrackKitExample/Views/TrackList/TrackListTableViewController.swift
@@ -45,6 +45,21 @@ class TrackListTableViewController: UITableViewController {
         return cell
     }
 
+    override func tableView(_ tableView: UITableView, leadingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
+        let actionConfig = UISwipeActionsConfiguration(actions: [
+            UIContextualAction(style: .normal, title: "Share") { _, _, _  in
+                self.shareTrack(indexPath)
+                tableView.setEditing(false, animated: true)
+            }
+        ])
+
+        return actionConfig
+    }
+
+    override func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath) -> [UITableViewRowAction]? {
+        return nil
+    }
+
     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         guard trackList.count > 0 else {
             return
@@ -68,3 +83,27 @@ class TrackListTableViewController: UITableViewController {
     }
 
 }
+
+// MARK: - Implementation
+
+extension TrackListTableViewController {
+
+    func shareTrack(_ indexPath: IndexPath) {
+        guard let filename = filename(forIndex: indexPath) else {
+            return print("No filename")
+        }
+        let fileURL = URL(fileURLWithPath: filename)
+        print("User wants to share file: \(filename)")
+        let activityVC = UIActivityViewController(activityItems: [fileURL], applicationActivities: nil)
+
+        self.present(activityVC, animated: true, completion: nil)
+
+    }
+
+    func filename(forIndex indexPath: IndexPath) -> String? {
+        guard indexPath.row < trackList.count else {
+            return nil
+        }
+        return "\(TrackFileService.shared.documents)/\(trackList[indexPath.row])"
+    }
+}

From 9eaccc7e3da71fcfa00d5c0e66c85b4bbe4db24e Mon Sep 17 00:00:00 2001
From: Eric Internicola <intere@gmail.com>
Date: Sat, 8 Dec 2018 09:16:13 -0700
Subject: [PATCH 8/8] Updated travis config.

---
 .travis.yml  |  2 +-
 Gemfile.lock | 68 +++++++++++++++++++++++++---------------------------
 2 files changed, 33 insertions(+), 37 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index dff2ce6..b725302 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode9.4
+osx_image: xcode10.1
 
 script:
   - bundle exec fastlane test
diff --git a/Gemfile.lock b/Gemfile.lock
index 8af2b79..66bd206 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,14 +2,14 @@ GEM
   remote: https://rubygems.org/
   specs:
     CFPropertyList (3.0.0)
-    activesupport (4.2.10)
+    activesupport (4.2.11)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
-    atomos (0.1.2)
+    atomos (0.1.3)
     babosa (1.0.2)
     claide (1.0.2)
     cocoapods (1.5.3)
@@ -36,12 +36,12 @@ GEM
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
     cocoapods-deintegrate (1.0.2)
-    cocoapods-downloader (1.2.1)
+    cocoapods-downloader (1.2.2)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.0)
     cocoapods-stats (1.0.0)
-    cocoapods-trunk (1.3.0)
+    cocoapods-trunk (1.3.1)
       nap (>= 0.8, < 2.0)
       netrc (~> 0.11)
     cocoapods-try (1.1.0)
@@ -49,7 +49,7 @@ GEM
     colored2 (3.1.2)
     commander-fastlane (4.4.6)
       highline (~> 1.7.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.3)
     declarative (0.0.10)
     declarative-option (0.1.0)
     domain_name (0.5.20180417)
@@ -58,15 +58,15 @@ GEM
     emoji_regex (0.1.1)
     escape (0.0.4)
     excon (0.62.0)
-    faraday (0.15.2)
+    faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     faraday-cookie_jar (0.0.6)
       faraday (>= 0.7.4)
       http-cookie (~> 1.0.0)
     faraday_middleware (0.12.2)
       faraday (>= 0.7.4, < 1.0)
-    fastimage (2.1.3)
-    fastlane (2.100.1)
+    fastimage (2.1.5)
+    fastlane (2.109.1)
       CFPropertyList (>= 2.3, < 4.0.0)
       addressable (>= 2.3, < 3.0.0)
       babosa (>= 1.0.2, < 2.0.0)
@@ -81,7 +81,7 @@ GEM
       faraday_middleware (~> 0.9)
       fastimage (>= 2.1.0, < 3.0.0)
       gh_inspector (>= 1.1.2, < 2.0.0)
-      google-api-client (>= 0.21.2, < 0.22.0)
+      google-api-client (>= 0.21.2, < 0.24.0)
       highline (>= 1.7.2, < 2.0.0)
       json (< 3.0.0)
       mini_magick (~> 4.5.1)
@@ -90,7 +90,7 @@ GEM
       multipart-post (~> 2.0.0)
       plist (>= 3.1.0, < 4.0.0)
       public_suffix (~> 2.0.0)
-      rubyzip (>= 1.2.1, < 2.0.0)
+      rubyzip (>= 1.2.2, < 2.0.0)
       security (= 0.1.3)
       simctl (~> 1.6.3)
       slack-notifier (>= 2.0.0, < 3.0.0)
@@ -99,27 +99,27 @@ GEM
       tty-screen (>= 0.6.3, < 1.0.0)
       tty-spinner (>= 0.8.0, < 1.0.0)
       word_wrap (~> 1.0.0)
-      xcodeproj (>= 1.5.7, < 2.0.0)
-      xcpretty (~> 0.2.8)
+      xcodeproj (>= 1.6.0, < 2.0.0)
+      xcpretty (~> 0.3.0)
       xcpretty-travis-formatter (>= 0.0.3)
     ffi (1.9.25)
     fourflusher (2.0.1)
     fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
-    google-api-client (0.21.2)
+    google-api-client (0.23.9)
       addressable (~> 2.5, >= 2.5.1)
       googleauth (>= 0.5, < 0.7.0)
       httpclient (>= 2.8.1, < 3.0)
       mime-types (~> 3.0)
       representable (~> 3.0)
       retriable (>= 2.0, < 4.0)
-    googleauth (0.6.2)
+      signet (~> 0.9)
+    googleauth (0.6.7)
       faraday (~> 0.12)
       jwt (>= 1.4, < 3.0)
-      logging (~> 2.0)
-      memoist (~> 0.12)
+      memoist (~> 0.16)
       multi_json (~> 1.11)
-      os (~> 0.9)
+      os (>= 0.9, < 2.0)
       signet (~> 0.7)
     highline (1.7.10)
     http-cookie (1.0.3)
@@ -127,7 +127,7 @@ GEM
     httpclient (2.8.3)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jazzy (0.9.3)
+    jazzy (0.9.4)
       cocoapods (~> 1.0)
       mustache (~> 0.99)
       open4
@@ -139,17 +139,13 @@ GEM
     json (2.1.0)
     jwt (2.1.0)
     liferaft (0.0.6)
-    little-plugger (1.1.4)
-    logging (2.2.2)
-      little-plugger (~> 1.1)
-      multi_json (~> 1.10)
     memoist (0.16.0)
-    mime-types (3.1)
+    mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2018.0812)
     mini_magick (4.5.1)
     minitest (5.11.3)
-    molinillo (0.6.5)
+    molinillo (0.6.6)
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
@@ -159,7 +155,7 @@ GEM
     naturally (2.2.0)
     netrc (0.11.0)
     open4 (1.3.4)
-    os (0.9.6)
+    os (1.0.0)
     plist (3.4.0)
     public_suffix (2.0.5)
     rb-fsevent (0.10.3)
@@ -172,15 +168,15 @@ GEM
       uber (< 0.2.0)
     retriable (3.1.2)
     rouge (2.0.7)
-    ruby-macho (1.2.0)
-    rubyzip (1.2.1)
-    sass (3.5.7)
+    ruby-macho (1.3.1)
+    rubyzip (1.2.2)
+    sass (3.7.2)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     security (0.1.3)
-    signet (0.8.1)
+    signet (0.11.0)
       addressable (~> 2.3)
       faraday (~> 0.9)
       jwt (>= 1.5, < 3.0)
@@ -196,8 +192,8 @@ GEM
     thread_safe (0.3.6)
     tty-cursor (0.6.0)
     tty-screen (0.6.5)
-    tty-spinner (0.8.0)
-      tty-cursor (>= 0.5.0)
+    tty-spinner (0.9.0)
+      tty-cursor (~> 0.6.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uber (0.1.0)
@@ -208,13 +204,13 @@ GEM
     word_wrap (1.0.0)
     xcinvoke (0.3.0)
       liferaft (~> 0.0.6)
-    xcodeproj (1.5.9)
+    xcodeproj (1.7.0)
       CFPropertyList (>= 2.3.3, < 4.0)
-      atomos (~> 0.1.2)
+      atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
-      nanaimo (~> 0.2.5)
-    xcpretty (0.2.8)
+      nanaimo (~> 0.2.6)
+    xcpretty (0.3.0)
       rouge (~> 2.0.7)
     xcpretty-travis-formatter (1.0.0)
       xcpretty (~> 0.2, >= 0.0.7)