Reorganize top level directory

uhabits-ios/Application/AppDelegate.swift

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import UIKit
+
+@UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate, BackendListener {
+   
+    var window: UIWindow?
+    var nav: UINavigationController?
+    let log = StandardLog()
+    var backend: Backend?
+    
+    func application(_ application: UIApplication,
+                     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        
+        backend = Backend(databaseName: "uhabits.db",
+                          databaseOpener: IosDatabaseOpener(),
+                          fileOpener: IosFileOpener(),
+                          localeHelper: IosLocaleHelper(log: log),
+                          log: log,
+                          scope: UIDispatcher())
+        
+        backend?.observable.addListener(listener: self)
+        backend?.doInit()
+        
+        window = UIWindow(frame: UIScreen.main.bounds)
+        nav = UINavigationController()
+        window?.backgroundColor = UIColor.white
+        window?.rootViewController = nav
+        window?.makeKeyAndVisible()
+        
+        return true
+    }
+    
+    func onReady() {
+        nav?.viewControllers = [MainScreenController(withBackend: backend!)]
+    }
+}

uhabits-ios/Application/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,100 @@
+{
+  "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"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "loop-120.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "loop-180.png",
+      "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"
+  }
+}

uhabits-ios/Application/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

uhabits-ios/Application/Assets.xcassets/ic_more.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "baseline_more_horiz_black_24pt_1x.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "baseline_more_horiz_black_24pt_2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "baseline_more_horiz_black_24pt_3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

uhabits-ios/Application/BridgingHeader.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "LoopHabitTracker.h"

uhabits-ios/Application/Frontend/AboutScreenController.swift

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import UIKit
+
+class AboutScreenController : UITableViewController {
+}

uhabits-ios/Application/Frontend/DetailScreenController.swift

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import UIKit
+
+class DetailScreenController : UITableViewController {
+    
+    let theme: Theme
+    let habit: Habit
+    let color: Color
+    var cells = [UITableViewCell]()
+    
+    required init?(coder aDecoder: NSCoder) {
+        fatalError()
+    }
+    
+    init(habit: Habit, backend: Backend) {
+        self.theme = backend.theme
+        self.habit = habit
+        self.color = theme.color(paletteIndex: self.habit.color.index)
+        super.init(style: .grouped)
+    }
+    
+    override func viewDidLoad() {
+        self.title = habit.name
+        self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .edit,
+                                                                 target: self,
+                                                                 action: #selector(self.onEditHabitClicked))
+        cells.append(buildBarChartCell())
+        cells.append(buildHistoryChartCell())
+    }
+    
+    func buildBarChartCell() -> UITableViewCell {
+        let today = LocalDate(year: 2019, month: 3, day: 15)
+        let axis = (0...365).map { today.minus(days: $0) }
+        let component = BarChart(theme: theme,
+                                 dateFormatter: IosLocalDateFormatter())
+        component.axis = axis
+        let cell = UITableViewCell()
+        let view = ComponentView(frame: cell.frame, component: component)
+        for k in 0...0 {
+            var series = [KotlinDouble]()
+            for _ in 1...365 {
+                series.append(KotlinDouble(value: Double.random(in: 0...5000)))
+            }
+            component.series.add(series)
+            let color = (self.habit.color.index + Int32(k * 3)) % 16
+            component.colors.add(theme.color(paletteIndex: color))
+        }
+        view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        cell.contentView.addSubview(view)
+        return cell
+    }
+    
+    func buildHistoryChartCell() -> UITableViewCell {
+        let component = CalendarChart(today: LocalDate(year: 2019, month: 3, day: 15),
+                                      color: color,
+                                      theme: theme,
+                                      dateFormatter: IosLocalDateFormatter())
+        let cell = UITableViewCell()
+        let view = ComponentView(frame: cell.frame, component: component)
+        var series = [KotlinDouble]()
+        for _ in 1...365 {
+            series.append(KotlinDouble(value: Double.random(in: 0...1)))
+        }
+        component.series = series
+        view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        cell.contentView.addSubview(view)
+        return cell
+    }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        self.navigationController?.navigationBar.barStyle = .blackOpaque
+        self.navigationController?.navigationBar.barTintColor = color.uicolor
+        self.navigationController?.navigationBar.tintColor = .white
+        self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
+    }
+    
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return 1
+    }
+    
+    override func numberOfSections(in tableView: UITableView) -> Int {
+        return cells.count
+    }
+    
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        return cells[indexPath.section]
+    }
+    
+    @objc func onEditHabitClicked() {
+        self.navigationController?.pushViewController(EditHabitController(), animated: true)
+    }
+    
+    override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
+        return 200
+    }
+}

uhabits-ios/Application/Frontend/EditHabitController.swift

@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import UIKit
+
+class EditHabitTableViewController: NSObject, UITableViewDataSource, UITableViewDelegate {
+    func disclosure(title: String, subtitle: String) -> UITableViewCell {
+        let cell = UITableViewCell(style: .value1, reuseIdentifier: nil)
+        cell.textLabel?.text = title
+        cell.detailTextLabel?.text = subtitle
+        cell.accessoryType = .disclosureIndicator
+        return cell
+    }
+
+    func input(title: String) -> UITableViewCell {
+        let cell = UITableViewCell()
+        let field = UITextField(frame: cell.bounds.insetBy(dx: 20, dy: 0))
+        field.placeholder = title
+        field.autoresizingMask = [UIView.AutoresizingMask.flexibleWidth,
+                                  UIView.AutoresizingMask.flexibleHeight]
+        cell.contentView.addSubview(field)
+        return cell
+    }
+
+    var primary = [UITableViewCell]()
+    var secondary = [UITableViewCell]()
+    var parentController: EditHabitController
+
+    init(withParentController parentController: EditHabitController) {
+        self.parentController = parentController
+        super.init()
+        primary.append(input(title: "Name"))
+        primary.append(input(title: "Question (e.g. Did you wake up early today?)"))
+        secondary.append(disclosure(title: "Color", subtitle: "Blue"))
+        secondary.append(disclosure(title: "Repeat", subtitle: "Daily"))
+        secondary.append(disclosure(title: "Reminder", subtitle: "Disabled"))
+    }
+
+    func numberOfSections(in tableView: UITableView) -> Int {
+        return 2
+    }
+
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return section == 0 ? primary.count : secondary.count
+    }
+
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        return indexPath.section == 0 ? primary[indexPath.item] : secondary[indexPath.item]
+    }
+
+//    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+//        let alert = UIAlertController(title: "Hello", message: "You selected something", preferredStyle: .alert)
+//        parentController.present(alert, animated: true)
+//    }
+}
+
+class EditHabitController: UIViewController {
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        let bounds = UIScreen.main.bounds
+        let tableController = EditHabitTableViewController(withParentController: self)
+        let table = UITableView(frame: bounds, style: .grouped)
+        table.dataSource = tableController
+        table.delegate = tableController
+        self.view = table
+    }
+
+    override func viewDidLoad() {
+        self.title = "Edit Habit"
+    }
+}

uhabits-ios/Application/Frontend/MainScreenController.swift

@@ -0,0 +1,265 @@
+/*
+ * Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import UIKit
+
+class MainScreenCell : UITableViewCell {
+    var ring = ComponentView(frame: CGRect(), component: nil)
+    var label = UILabel()
+    var buttons: [ComponentView] = []
+    
+    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
+        super.init(style: .default, reuseIdentifier: reuseIdentifier)
+    }
+    required init?(coder aDecoder: NSCoder) {
+        fatalError()
+    }
+    
+    func update(habit: Habit, checkmarks: [Checkmark], score: Score, theme: Theme, nButtons: Int) {
+        if buttons.count != nButtons {
+            buttons.removeAll()
+            for v in contentView.subviews { v.removeFromSuperview() }
+            
+            let size = CGFloat(theme.checkmarkButtonSize)
+            let stack = UIStackView(frame: contentView.frame)
+            stack.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+            stack.axis = .horizontal
+            stack.distribution = .fill
+            stack.alignment = .center
+            contentView.addSubview(stack)
+            
+            ring.backgroundColor = .white
+            ring.widthAnchor.constraint(equalToConstant: size * 0.75).isActive = true
+            ring.heightAnchor.constraint(equalToConstant: size).isActive = true
+            stack.addArrangedSubview(ring)
+            
+            label.backgroundColor = .white
+            label.heightAnchor.constraint(equalToConstant: size).isActive = true
+            stack.addArrangedSubview(label)
+            
+            for _ in 1...nButtons {
+                let btn = ComponentView(frame: frame, component: nil)
+                btn.backgroundColor = .white
+                btn.widthAnchor.constraint(equalToConstant: size).isActive = true
+                btn.heightAnchor.constraint(equalToConstant: size).isActive = true
+                buttons.append(btn)
+                stack.addArrangedSubview(btn)
+            }
+        }
+        
+        var color = theme.color(paletteIndex: habit.color.index)
+        if habit.isArchived { color = theme.mediumContrastTextColor }
+        label.text = habit.name
+        label.textColor = color.uicolor
+        ring.component = Ring(color: color,
+                              percentage: score.value,
+                              thickness: 2.5,
+                              radius: 7,
+                              theme: theme,
+                              label: false)
+        ring.setNeedsDisplay()
+        
+        for i in 0..<buttons.count {
+            if habit.type == HabitType.numericalHabit {
+                buttons[i].component = NumberButton(color: color,
+                                                    value: Double(checkmarks[i].value) / 1000.0,
+                                                    threshold: habit.target,
+                                                    units: habit.unit,
+                                                    theme: theme)
+            } else {
+                buttons[i].component = CheckmarkButton(value: checkmarks[i].value,
+                                                       color: color,
+                                                       theme: theme)
+            }
+            buttons[i].setNeedsDisplay()
+        }
+    }
+}
+
+class MainScreenController: UITableViewController, MainScreenDataSourceListener {
+    
+    var backend: Backend
+    var dataSource: MainScreenDataSource
+    var data: MainScreenDataSource.Data?
+    var preferences: Preferences
+    var theme: Theme
+    var nButtons = 3
+    var strings = Strings()
+    
+    required init?(coder aDecoder: NSCoder) {
+        fatalError()
+    }
+    
+    init(withBackend backend:Backend) {
+        self.backend = backend
+        self.strings = backend.strings
+        self.dataSource = backend.mainScreenDataSource
+        self.theme = backend.theme
+        self.preferences = backend.preferences
+        super.init(nibName: nil, bundle: nil)
+        self.dataSource.observable.addListener(listener: self)
+        self.dataSource.requestData()
+    }
+
+    override func viewDidLoad() {
+        self.title = strings.main_activity_title
+        
+        self.navigationItem.rightBarButtonItems = [
+            UIBarButtonItem(image: UIImage(named: "ic_more"),
+                            style: .plain,
+                            target: self,
+                            action: #selector(self.onMoreActionsClicked)),
+            UIBarButtonItem(barButtonSystemItem: .add,
+                            target: self,
+                            action: #selector(self.onCreateHabitClicked)),
+        ]
+        tableView.register(MainScreenCell.self, forCellReuseIdentifier: "cell")
+        tableView.backgroundColor = theme.headerBackgroundColor.uicolor
+        computeNumberOfButtons(Double(view.frame.width))
+    }
+    
+    override func viewDidAppear(_ animated: Bool) {
+        self.navigationController?.navigationBar.barStyle = .default
+        self.navigationController?.navigationBar.tintColor = theme.highContrastTextColor.uicolor
+        self.navigationController?.navigationBar.barTintColor = .white
+        self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.black]
+    }
+    
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return data?.habits.count ?? 0
+    }
+    
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath) as! MainScreenCell
+        let habit = data!.habits[indexPath.row]
+        cell.update(habit: habit,
+                    checkmarks: data!.checkmarks[habit]!,
+                    score: data!.scores[habit]!,
+                    theme: theme,
+                    nButtons: nButtons)
+        return cell
+    }
+    
+    override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
+        let component = HabitListHeader(today: LocalDate(year: 2019, month: 3, day: 24),
+                                        nButtons: Int32(nButtons),
+                                        theme: theme,
+                                        fmt: IosLocalDateFormatter())
+        return ComponentView(frame: CGRect(x: 0, y: 0, width: 100, height: CGFloat(theme.checkmarkButtonSize)),
+                             component: component)
+    }
+    
+    override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
+        return CGFloat(theme.checkmarkButtonSize)
+    }
+    
+    override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
+        return CGFloat(theme.checkmarkButtonSize) + 3
+    }
+    
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        let habit = data!.habits[indexPath.row]
+        self.navigationController?.pushViewController(DetailScreenController(habit: habit, backend: backend), animated: true)
+    }
+    
+    override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
+        computeNumberOfButtons(Double(size.width))
+        reload()
+    }
+    
+    @objc func onCreateHabitClicked() {
+        self.navigationController?.pushViewController(EditHabitController(), animated: true)
+    }
+    
+    @objc func onMoreActionsClicked() {
+        let alert = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
+
+        if preferences.showArchived {
+            alert.addAction(UIAlertAction(title: strings.hide_archived, style: .default) {
+                (action: UIAlertAction) -> Void in
+                self.preferences.showArchived = false
+                self.dataSource.requestData()
+            })
+        } else {
+            alert.addAction(UIAlertAction(title: strings.show_archived, style: .default) {
+                (action: UIAlertAction) -> Void in
+                self.preferences.showArchived = true
+                self.dataSource.requestData()
+            })
+        }
+
+        if preferences.showCompleted {
+            alert.addAction(UIAlertAction(title: strings.hide_completed, style: .default) {
+                (action: UIAlertAction) -> Void in
+                self.preferences.showCompleted = false
+                self.dataSource.requestData()
+            })
+        } else {
+            alert.addAction(UIAlertAction(title: strings.show_completed, style: .default) {
+                (action: UIAlertAction) -> Void in
+                self.preferences.showCompleted = true
+                self.dataSource.requestData()
+            })
+        }
+
+        if preferences.nightMode {
+            alert.addAction(UIAlertAction(title: strings.day_mode, style: .default) {
+                (action: UIAlertAction) -> Void in
+                self.preferences.nightMode = false
+            })
+        } else {
+            alert.addAction(UIAlertAction(title: strings.night_mode, style: .default) {
+                (action: UIAlertAction) -> Void in
+                self.preferences.nightMode = true
+            })
+        }
+
+        alert.addAction(UIAlertAction(title: strings.help, style: .default) {
+            (action: UIAlertAction) -> Void in
+            if let link = URL(string: "http://loophabits.org/faq") {
+                UIApplication.shared.open(link)
+            }
+        })
+        alert.addAction(UIAlertAction(title: strings.about, style: .default) {
+            (action: UIAlertAction) -> Void in
+            self.navigationController?.pushViewController(AboutScreenController(), animated: true)
+        })
+        alert.addAction(UIAlertAction(title: strings.cancel, style: .cancel) {
+            (action: UIAlertAction) -> Void in
+            // Do nothing
+        })
+        present(alert, animated: true, completion: nil)
+    }
+    
+    func onDataChanged(newData: MainScreenDataSource.Data) {
+        data = newData
+        reload()
+    }
+    
+    func computeNumberOfButtons(_ width: Double) {
+        nButtons = Int((width - 220) / theme.checkmarkButtonSize)
+        nButtons = max(nButtons, 3)
+        nButtons = min(nButtons, Int(dataSource.maxNumberOfButtons))
+    }
+    
+    func reload() {
+        let sections = NSIndexSet(indexesIn: NSMakeRange(0, self.tableView.numberOfSections))
+        tableView.reloadSections(sections as IndexSet, with: .automatic)
+    }
+}

uhabits-ios/Application/Info.plist

@@ -0,0 +1,49 @@
+<?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>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Loop</string>
+	<key>CFBundleExecutable</key>
+	<string>$(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>UIAppFonts</key>
+	<array>
+		<string>fonts/FontAwesome.ttf</string>
+	</array>
+	<key>UILaunchStoryboardName</key>
+	<string>Launch.storyboard</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<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>

uhabits-ios/Application/Launch.storyboard

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13142" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12042"/>
+    </dependencies>
+    <scenes/>
+</document>

uhabits-ios/Application/Platform/ComponentView.swift

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import UIKit
+
+class ComponentView : UIView {
+    var component: Component?
+    
+    init(frame: CGRect, component: Component?) {
+        self.component = component
+        super.init(frame: frame)
+    }
+    
+    required init?(coder aDecoder: NSCoder) {
+        fatalError()
+    }
+    
+    override func draw(_ rect: CGRect) {
+        let canvas = IosCanvas(width: Double(rect.width),
+                               height: Double(rect.height),
+                               scale: 1.0)
+        component?.draw(canvas: canvas)
+    }
+    
+    override func layoutSubviews() {
+        setNeedsDisplay()
+    }
+}

uhabits-ios/Tests/Info.plist

@@ -0,0 +1,26 @@
+<?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>UIAppFonts</key>
+	<array>
+		<string>fonts/FontAwesome.ttf</string>
+	</array>
+	<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>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

uhabits-ios/uhabits.xcodeproj/project.pbxproj

@@ -0,0 +1,584 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
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+			);
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+			sourceTree = "<group>";
+		};
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+			children = (
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+			);
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+		};
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+		};
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+			);
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+			isa = PBXGroup;
+			children = (
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+			buildSettings = {
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+		};
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+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = R5YTHGE3PS;
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+				INFOPLIST_FILE = Tests/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
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+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
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+				SWIFT_PRECOMPILE_BRIDGING_HEADER = NO;
+				SWIFT_VERSION = 4.2;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/uhabits.app/uhabits";
+			};
+			name = Debug;
+		};
+		00A5B44622009F5A0024E00C /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = R5YTHGE3PS;
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+				HEADER_SEARCH_PATHS = "$(PROJECT_DIR)/../core/build/bin/ios/mainDebugFramework/main.framework/Headers/";
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+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
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+				SWIFT_VERSION = 4.2;
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+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/uhabits.app/uhabits";
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+		};
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+
+/* Begin XCConfigurationList section */
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+				00A5B44022009F5A0024E00C /* Release */,
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+}

uhabits-ios/uhabits.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:uhabits.xcodeproj">
+   </FileRef>
+</Workspace>

uhabits-ios/uhabits.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?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>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

uhabits-ios/uhabits.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,5 @@
+<?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/>
+</plist>