# XestiMonitors [![Swift 4.x](https://img.shields.io/badge/Swift-4.x-orange.svg)](https://developer.apple.com/swift/) [![License](https://img.shields.io/cocoapods/l/XestiMonitors.svg)](http://cocoapods.org/pods/XestiMonitors) [![Platform](https://img.shields.io/cocoapods/p/XestiMonitors.svg)](http://cocoapods.org/pods/XestiMonitors) [![Build Status](https://img.shields.io/travis/eBardX/XestiMonitors/master.svg?colorB=4BC51D)](https://travis-ci.org/eBardX/XestiMonitors) [![Code Coverage](https://img.shields.io/codecov/c/github/eBardX/XestiMonitors/master.svg?colorB=4BC51D)](https://codecov.io/github/eBardX/XestiMonitors) [![Documented](https://img.shields.io/cocoapods/metrics/doc-percent/XestiMonitors.svg?colorB=4BC51D)](http://ebardx.github.io/XestiMonitors/) [![CocoaPods](https://img.shields.io/cocoapods/v/XestiMonitors.svg?colorB=4BC51D)](http://cocoapods.org/pods/XestiMonitors) [![Carthage](https://img.shields.io/badge/carthage-compatible-brightgreen.svg)](https://github.com/Carthage/Carthage) [![Swift Package Manager](https://img.shields.io/badge/spm-compatible-brightgreen.svg)](https://github.com/apple/swift-package-manager) * [Overview](#overview) * [Reference Documentation](#reference_documentation) * [Requirements](#requirements) * [Installation](#installation) * [CocoaPods](#cocoapods_installation) * [Carthage](#carthage_installation) * [Swift Package Manager](#spm_installation) * [Usage](#usage) * [Core Location Monitors](#core_location_monitors) * [Core Motion Monitors](#core_motion_monitors) * [Foundation Monitors](#foundation_monitors) * [UIKit Monitors](#uikit_monitors) * [Accessibility Monitors](#accessibility_monitors) * [Application Monitors](#application_monitors) * [Device Monitors](#device_monitors) * [Screen Monitors](#screen_monitors) * [Text Monitors](#text_monitors) * [Other UIKit Monitors](#other_uikit_monitors) * [Other Monitors](#other_monitors) * [Custom Monitors](#custom_monitors) * [Credits](#credits) * [License](#license) ## Overview The XestiMonitors framework provides more than *sixty* fully-functional monitor classes right out of the box that make it easy for your app to detect and respond to many common system-generated events. Among other things, you can think of XestiMonitors as a better way to manage the most common notifications (primarily on iOS and tvOS). At present, XestiMonitors provides “wrappers” around nearly all `UIKit` notifications (see [UIKit Monitors](#uikit_monitors)) and many `Foundation` notifications (see [Foundation Monitors](#foundation_monitors)). XestiMonitors also provides convenient “wrappers” around several frameworks and programming interfaces to make them easier for your app to use: * It wraps the Core Location framework to make it easier for your app to make easier for your app to determine the device’s geographic location, altitude, or orientation; or its position relative to a nearby iBeacon. See [Core Location Monitors](#core_location_monitors) for details. * It wraps the Core Motion framework to make it easier for your app to obtain both raw and processed motion measurements from the device. See [Core Motion Monitors](#core_motion_monitors) for details. * It wraps the `SCNetworkReachability` programming interface to make it super easy for your app to determine the reachability of a target host. See [Other Monitors](#other_monitors) for details. Additional monitors targeting more parts of all four platforms will be rolled out in future releases of XestiMonitors! Finally, XestiMonitors is *extensible*—you can easily create your own *custom* monitors. See [Custom Monitors](#custom_monitors) for details. ## Reference Documentation Full [reference documentation][refdoc] is available courtesy of [Jazzy][jazzy]. ## Requirements * iOS 9.0+ / macOS 10.10+ / tvOS 9.0+ / watchOS 2.0+ * Xcode 9.0+ * Swift 4.0+ ## Installation ### CocoaPods [CocoaPods][cocoapods] is a dependency manager for Cocoa projects. You can install it with the following command: ``` $ gem install cocoapods ``` To integrate XestiMonitors into your Xcode project using CocoaPods, specify it in your `Podfile`: ``` source 'https://github.com/CocoaPods/Specs.git' platform :ios, '9.0' use_frameworks! target '' do pod 'XestiMonitors' end ``` Then, run the following command: ``` $ pod install ``` ### Carthage [Carthage][carthage] is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks. You can install Carthage with [Homebrew][homebrew] using the following commands: ``` $ brew update $ brew install carthage ``` To integrate XestiMonitors into your Xcode project using Carthage, specify it in your `Cartfile`: ``` github "eBardX/XestiMonitors" ``` Then, run the following command: ``` $ carthage update ``` Finally, drag the built `XestiMonitors.framework` into your Xcode project. ### Swift Package Manager The [Swift Package Manager][spm] is a tool for automating the distribution of Swift code and is integrated into the swift compiler. It is in early development, but XestiMonitors does support its use on supported platforms. Once you have your Swift package set up, adding XestiMonitors as a dependency is as easy as adding it to the `dependencies` value of your `Package.swift`. ``` dependencies: [ .Package(url: "https://github.com/eBardX/XestiMonitors.git") ] ``` ## Usage All monitor classes conform to the [Monitor][p_monitor] protocol, thus enabling you to create arrays of monitors that can be started or stopped uniformly—fewer lines of code! For example, in a view controller, you can lazily instantiate several monitors and, in addition, lazily instantiate an array variable containing these monitors: ``` import XestiMonitors lazy var keyboardMonitor = KeyboardMonitor { [unowned self] in // do something… } lazy var memoryMonitor = MemoryMonitor { [unowned self] in // do something… } lazy var orientationMonitor = OrientationMonitor { [unowned self] in // do something… } lazy var monitors: [Monitor] = [keyboardMonitor, memoryMonitor, orientationMonitor] ``` Then, in the `viewWillAppear(_:)` and `viewWillDisappear(_:)` methods, you can simply start or stop all these monitors with a single line of code: ``` override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) monitors.forEach { $0.startMonitoring() } } override func viewWillDisappear(_ animated: Bool) { monitors.forEach { $0.stopMonitoring() } super.viewWillDisappear(animated) } ``` Easy peasy! ### Core Location Monitors XestiMonitors provides seven monitor classes wrapping the Core Location framework that you can use to determine the device’s geographic location, altitude, or orientation; or its position relative to a nearby iBeacon: * [BeaconRangingMonitor][beacon_ranging_monitor] to monitor a region for changes to the ranges (*i.e.,* the relative proximity) to the Bluetooth low-energy beacons within. *(iOS)* * [HeadingMonitor][heading_monitor] to monitor the device for changes to its current heading. *(iOS)* * [LocationAuthorizationMonitor][location_authorization_monitor] to monitor the app for updates to its authorization to use location services. *(iOS, macOS, tvOS, watchOS)* * [RegionMonitor][region_monitor] to monitor a region for changes to its state (which indicate boundary transitions). *(iOS, macOS)* * [SignificantLocationMonitor][significant_location_monitor] to monitor the device for *significant* changes to its current location. *(iOS, macOS)* * [StandardLocationMonitor][standard_location_monitor] to monitor the device for changes to its current location. *(iOS, macOS, tvOS, watchOS)* * [VisitMonitor][visit_monitor] to monitor for locations that the user stops at for a “noteworthy” amount of time. *(iOS)* ### Core Motion Monitors XestiMonitors provides seven monitor classes wrapping the Core Motion framework that you can use to obtain raw and processed motion measurements from the device: * [AccelerometerMonitor][accelerometer_monitor] to monitor the device’s accelerometer for periodic raw measurements of the acceleration along the three spatial axes. *(iOS, watchOS)* * [AltimeterMonitor][altimeter_monitor] to monitor the device for changes in relative altitude. *(iOS, watchOS)* * [DeviceMotionMonitor][device_motion_monitor] to monitor the device’s accelerometer, gyroscope, and magnetometer for periodic raw measurements which are processed into device motion measurements. *(iOS, watchOS)* * [GyroscopeMonitor][gyroscope_monitor] to monitor the device’s gyroscope for periodic raw measurements of the rotation rate around the three spatial axes. *(iOS, watchOS)* * [MagnetometerMonitor][magnetometer_monitor] to monitor the device’s magnetometer for periodic raw measurements of the magnetic field around the three spatial axes. *(iOS, watchOS)* * [MotionActivityMonitor][motion_activity_monitor] to monitor the device for live and historic motion data. *(iOS, watchOS)* * [PedometerMonitor][pedometer_monitor] to monitor the device for live and historic walking data. *(iOS, watchOS)* ### Foundation Monitors XestiMonitors provides seventeen monitors wrapping [`Foundation` notifications][wrapped_foundation_notifications]: * [BundleClassLoadMonitor][bundle_class_load_monitor] to monitor a bundle for dynamic loads of classes. *(iOS, macOS, tvOS, watchOS)* * [BundleResourceRequestMonitor][bundle_resource_request_monitor] to monitor the system to detect if the amount of available disk space for on-demand resources is getting low. *(iOS, tvOS, watchOS)* * [CalendarDayMonitor][calendar_day_monitor] to monitor the system for changes to the calendar day. *(iOS, macOS, tvOS, watchOS)* * [CurrentLocaleMonitor][current_locale_monitor] to monitor the system for changes to the user’s locale. *(iOS, macOS, tvOS, watchOS)* * [ExtensionHostMonitor][extension_host_monitor] to monitor an extension context for changes to the runtime state of the extension’s host app. *(iOS, tvOS, watchOS)* * [HTTPCookiesStorageMonitor][http_cookies_storage_monitor] instance to monitor an HTTP cookie storage object for changes to its acceptance policy or to its cookies. *(iOS, macOS, tvOS, watchOS)* * [MetadataQueryMonitor][metadata_query_monitor] to monitor a metadata query for changes to its results. *(iOS, macOS, tvOS, watchOS)* * [PortMonitor][port_monitor] to monitor a port for changes to its validity. *(iOS, macOS, tvOS, watchOS)* * [ProcessInfoPowerStateMonitor][process_info_power_state_monitor] to monitor the device for changes to its power state (Low Power Mode is enabled or disabled). *(iOS, tvOS, watchOS)* * [ProcessInfoThermalStateMonitor][process_info_thermal_state_monitor] to monitor the system for changes to the thermal state. *(iOS, macOS, tvOS, watchOS)* * [SystemClockMonitor][system_clock_monitor] to monitor the system for changes to the clock. *(iOS, macOS, tvOS, watchOS)* * [SystemTimeZoneMonitor][system_time_zone_monitor] to monitor the system for changes to the currently used time zone. *(iOS, macOS, tvOS, watchOS)* * [UbiquitousKeyValueStoreMonitor][ubiquitous_key_value_store_monitor] to monitor the iCloud (“ubiquitous”) key-value store for changes due to incoming data pushed from iCloud. *(iOS, macOS, tvOS)* * [UbiquityIdentityMonitor][ubiquity_identity_monitor] to monitor the system for changes to the iCloud (”ubiquity”) identity. *(iOS, macOS, tvOS, watchOS)* * [UndoManagerMonitor][undo_manager_monitor] to monitor an undo manager for changes to its recording of operations. *(iOS, macOS, tvOS, watchOS)* * [URLCredentialStorageMonitor][url_credential_storage_monitor] to monitor the shared URL credential storage object for changes to its stored credentials. *(iOS, macOS, tvOS, watchOS)* * [UserDefaultsMonitor][user_defaults_monitor] to monitor a user defaults object for changes to its data. *(iOS, macOS, tvOS, watchOS)* ### UIKit Monitors XestiMonitors provides numerous monitors wrapping [`UIKit` notifications][wrapped_uikit_notifications]. #### Accessibility Monitors XestiMonitors provides three monitor classes that you can use to observe accessibility events generated by the system: * [AccessibilityAnnouncementMonitor][accessibility_announcement_monitor] to monitor the system for accessibility announcements that VoiceOver has finished outputting. *(iOS, tvOS)* * [AccessibilityElementMonitor][accessibility_element_monitor] to monitor the system for changes to element focus by an assistive technology. *(iOS, tvOS)* * [AccessibilityStatusMonitor][accessibility_status_monitor] to monitor the system for changes to the status of various accessibility settings. *(iOS, tvOS)* #### Application Monitors XestiMonitors provides seven monitor classes that you can use to observe common events generated by the system about the app: * [ApplicationStateMonitor][application_state_monitor] to monitor the app for changes to its runtime state. *(iOS, tvOS)* * [BackgroundRefreshMonitor][background_refresh_monitor] to monitor the app for changes to its status for downloading content in the background. *(iOS)* * [MemoryMonitor][memory_monitor] to monitor the app for memory warnings from the operating system. *(iOS, tvOS)* * [ProtectedDataMonitor][protected_data_monitor] to monitor the app for changes to the accessibility of protected files. *(iOS, tvOS)* * [ScreenshotMonitor][screenshot_monitor] to monitor the app for screenshots. *(iOS, tvOS)* * [StatusBarMonitor][status_bar_monitor] to monitor the app for changes to the orientation of its user interface or to the frame of the status bar. *(iOS)* * [TimeMonitor][time_monitor] to monitor the app for significant changes in time. *(iOS, tvOS)* #### Device Monitors XestiMonitors provides three monitor classes that you can use to detect changes in the characteristics of the device: * [BatteryMonitor][battery_monitor] to monitor the device for changes to the charge state and charge level of its battery. *(iOS)* * [OrientationMonitor][orientation_monitor] to monitor the device for changes to its physical orientation. *(iOS)* * [ProximityMonitor][proximity_monitor] to monitor the device for changes to the state of its proximity sensor. *(iOS)* #### Screen Monitors XestiMonitors provides four monitor classes that you can use to detect changes in the properties associated with a screen: * [ScreenBrightnessMonitor][screen_brightness_monitor] to monitor a screen for changes to its brightness level. *(iOS, tvOS)* * [ScreenCapturedMonitor][screen_captured_monitor] to monitor a screen for changes to its captured status. *(iOS, tvOS)* * [ScreenConnectionMonitor][screen_connection_Monitor] to monitor the device for screen connections and disconnections. *(iOS, tvOS)* * [ScreenModeMonitor][screen_mode_monitor] to monitor a screen for changes to its current mode. *(iOS, tvOS)* #### Text Monitors XestiMonitors provides four monitor classes that you can use to detect changes in text input mode and content: * [TextFieldTextMonitor][text_field_text_monitor] to monitor a text field for changes to its text. *(iOS, tvOS)* * [TextInputModeMonitor][text_input_mode_monitor] to monitor the responder chain for changes to the current input mode. *(iOS, tvOS)* * [TextStorageMonitor][text_storage_monitor] to monitor a text storage for the processing of edits to its contents. *(iOS, tvOS)* * [TextViewTextMonitor][text_view_text_monitor] to monitor a text view for changes to its text. *(iOS, tvOS)* #### Other UIKit Monitors In addition, XestiMonitors provides nine other `UIKit` monitors: * [ContentSizeCategoryMonitor][content_size_category_monitor] to monitor the app for changes to its preferred content size category. *(iOS, tvOS)* * [DocumentStateMonitor][document_state_monitor] to monitor a document for changes to its state. *(iOS)* * [FocusMonitor][focus_monitor] to monitor the app for changes to the current focus in the view hierarchy. *(iOS, tvOS)* * [KeyboardMonitor][keyboard_monitor] to monitor the keyboard for changes to its visibility or to its frame. *(iOS)* * [MenuControllerMonitor][menu_controller_monitor] to monitor the menu controller for changes to the visibility of the editing menu or to the frame of the editing menu. *(iOS)* * [PasteboardMonitor][pasteboard_monitor] to monitor a pasteboard for changes to its contents or for its removal from the app. *(iOS)* * [TableViewSelectionMonitor][table_view_selection_monitor] to monitor a table view for changes to its selected row. *(iOS, tvOS)* * [ViewControllerShowDetailTargetMonitor][view_controller_show_detail_target_monitor] to monitor the app for changes to a split view controller’s display mode in the view hierarchy. *(iOS, tvOS)* * [WindowMonitor][window_monitor] to monitor a window for changes to its visibility or key status. *(iOS, tvOS)* [KeyboardMonitor][keyboard_monitor] is especially handy in removing lots of boilerplate code from your app. This is how keyboard monitoring is typically handled in a custom view controller: ``` func keyboardWillHide(_ notification: Notification) { let userInfo = notification.userInfo var animationDuration: TimeInterval = 0 if let value = (userInfo?[UIKeyboardAnimationDurationUserInfoKey] as? NSNumber)?.doubleValue { animationDuration = value } constraint.constant = 0 UIView.animate(withDuration: animationDuration) { self.view.layoutIfNeeded() } } func keyboardWillShow(_ notification: Notification) { let userInfo = notification.userInfo var animationDuration: TimeInterval = 0 if let value = (userInfo?[UIKeyboardAnimationDurationUserInfoKey] as? NSNumber)?.doubleValue { animationDuration = value } var frameEnd = CGRect.zero if let value = (userInfo?[UIKeyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue { frameEnd = value } constraint.constant = frameEnd.height UIView.animate(withDuration: animationDuration) { self.view.layoutIfNeeded() } } override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) let nc = NotificationCenter.`default` nc.addObserver(self, selector: #selector(keyboardWillHide(_:)), name: .UIKeyboardWillHide, object: nil) nc.addObserver(self, selector: #selector(keyboardWillShow(_:)), name: .UIKeyboardWillShow, object: nil) } override func viewWillDisappear(_ animated: Bool) { NotificationCenter.`default`.removeObserver(self) super.viewWillDisappear(animated) } ``` And this is the XestiMonitors way using [KeyboardMonitor][keyboard_monitor]: ``` import XestiMonitors lazy var keyboardMonitor = KeyboardMonitor { [unowned self] event in guard let constraint = self?.constraint, let view = self?.view else { return } switch event { case let .willHide(info): constraint.constant = 0 UIView.animate(withDuration: info.animationDuration) { view.layoutIfNeeded() } case let .willShow(info): constraint.constant = info.frameEnd.height UIView.animate(withDuration: info.animationDuration) { view.layoutIfNeeded() } default: break } } override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) keyboardMonitor.startMonitoring() } override func viewWillDisappear(_ animated: Bool) { keyboardMonitor.stopMonitoring() super.viewWillDisappear(animated) } ``` What’s in *your* wallet? ### Other Monitors In addition, XestiMonitors provides two other monitors: * [FileSystemObjectMonitor][file_system_object_monitor] to monitor a file-system object for changes. *(iOS, macOS, tvOS, watchOS)* * [NetworkReachabilityMonitor][network_reachability_monitor] to monitor a network node name or address for changes to its reachability. *(iOS, macOS, tvOS)* ### Custom Monitors Best of all, the XestiMonitors framework provides several ways to create your own custom monitors quite easily. #### Implementing the Monitor Protocol You can create a new class, or extend an existing class, that conforms to the [Monitor][p_monitor] protocol. You need only implement the [startMonitoring()][m_start_monitoring] and [stopMonitoring()][m_stop_monitoring] methods, as well as the [isMonitoring][m_is_monitoring] property: ``` import XestiMonitors extension MegaHoobieWatcher: Monitor { var isMonitoring: Bool { return watchingForHoobiesCount() > 0 } func startMonitoring() -> Bool { guard !isMonitoring else { return } beginWatchingForHoobies() } func stopMonitoring() -> Bool { guard isMonitoring else { return } endWatchingForHoobies() } } ``` **Note:** The guard statements in both [startMonitoring()][m_start_monitoring] and [stopMonitoring()][m_stop_monitoring] protect against starting or stopping the monitor if it is in the incorrect state. This is considered good coding practice. #### Subclassing the BaseMonitor Class Typically, you will want to create a subclass of [BaseMonitor][base_monitor]. The advantage of using this abstract base class is that the basic guard logic is taken care of for you. Specifically, the [startMonitoring()][bm_start_monitoring] method does not attempt to start the monitor if it is already active, and the [stopMonitoring()][bm_stop_monitoring] method does not attempt to stop the monitor if it is *not* active. Instead of directly implementing the required protocol methods and properties, you need only override the [configureMonitor()][bm_configureMonitor] and [cleanupMonitor()][bm_cleanupMonitor] methods of this base class. In fact, you will *not* be able to override the [startMonitoring()][bm_start_monitoring] and [stopMonitoring()][bm_stop_monitoring] methods or the [isMonitoring][bm_is_monitoring] property—they are declared `final` in [BaseMonitor][base_monitor]. ``` import XestiMonitors class GigaHoobieMonitor: BaseMonitor { let handler: (Float) -> Void @objc let hoobie: GigaHoobie private var observation: NSKeyValueObservation? init(_ hoobie: GigaHoobie, handler: @escaping (Float) -> Void) { self.handler = handler self.hoobie = hoobie } override func configureMonitor() -> Bool { super.configureMonitor() observation = hoobie.observe(\.nefariousActivityLevel) { [unowned self] hoobie, _ in self.handler(hoobie.nefariousActivityLevel) } } override func cleanupMonitor() -> Bool { observation?.invalidate() observation = nil super.cleanupMonitor() } } ``` **Note:** Be sure to invoke the superclass implementations of both [configureMonitor()][bm_configureMonitor] and [cleanupMonitor()][bm_cleanupMonitor]. #### Subclassing the BaseNotificationMonitor Class If your custom monitor determines events by observing notifications, you should consider creating a subclass of [BaseNotificationMonitor][base_notification_monitor] instead. In most cases you need only override the [addNotificationObservers(_:)][bnm_addNotificationObservers] method. You can also override the [removeNotificationObservers(_:)][bnm_removeNotificationObservers] method if you require extra cleanup when the notification observers are removed upon stopping the monitor. Although this base class inherits from [BaseMonitor][base_monitor], you will *not* be able to override the [configureMonitor()][bnm_configureMonitor] and [cleanupMonitor()][bnm_cleanupMonitor] methods—they are declared `final` in [BaseNotificationMonitor][base_notification_monitor]. ``` import XestiMonitors class TeraHoobieMonitor: BaseNotificationMonitor { let handler: (Bool) -> Void let hoobie: TeraHoobie init(hoobie: TeraHoobie, queue: OperationQueue = .main, handler: @escaping (Bool) -> Void) { self.handler = handler self.hoobie = hoobie super.init(queue: queue) } override func addNotificationObservers() -> Bool { super.addNotificationObservers() observe(.teraHoobieDidChange) { [unowned self] _ in self.handler(self.hoobie.value) } } } ``` **Note:** Be sure to invoke the superclass implementations of both [addNotificationObservers(_:)][bnm_addNotificationObservers] and [removeNotificationObservers(_:)][bnm_removeNotificationObservers] in your overrides. ## Credits J. G. Pusey (ebardx@gmail.com) ## License XestiMonitors is available under [the MIT license][license]. [carthage]: https://github.com/Carthage/Carthage [cocoapods]: http://cocoapods.org [homebrew]: http://brew.sh/ [jazzy]: https://github.com/realm/jazzy [license]: https://github.com/eBardX/XestiMonitors/blob/master/LICENSE.md [refdoc]: https://eBardX.github.io/XestiMonitors/ [spm]: https://swift.org/package-manager/ [wrapped_foundation_notifications]: https://github.com/eBardX/XestiMonitors/blob/master/Documents/wrapped-foundation-notifications.md [wrapped_uikit_notifications]: https://github.com/eBardX/XestiMonitors/blob/master/Documents/wrapped-uikit-notifications.md [accelerometer_monitor]: https://eBardX.github.io/XestiMonitors/Classes/AccelerometerMonitor.html [accessibility_announcement_monitor]: https://eBardX.github.io/XestiMonitors/Classes/AccessibilityAnnouncementMonitor.html [accessibility_element_monitor]: https://eBardX.github.io/XestiMonitors/Classes/AccessibilityElementMonitor.html [accessibility_status_monitor]: https://eBardX.github.io/XestiMonitors/Classes/AccessibilityStatusMonitor.html [altimeter_monitor]: https://eBardX.github.io/XestiMonitors/Classes/AltimeterMonitor.html [application_state_monitor]: https://eBardX.github.io/XestiMonitors/Classes/ApplicationStateMonitor.html [background_refresh_monitor]: https://eBardX.github.io/XestiMonitors/Classes/BackgroundRefreshMonitor.html [base_monitor]: https://eBardX.github.io/XestiMonitors/Classes/BaseMonitor.html [base_notification_monitor]: https://eBardX.github.io/XestiMonitors/Classes/BaseNotificationMonitor.html [battery_monitor]: https://eBardX.github.io/XestiMonitors/Classes/BatteryMonitor.html [beacon_ranging_monitor]: https://eBardX.github.io/XestiMonitors/Classes/BeaconRangingMonitor.html [bundle_class_load_monitor]: https://eBardX.github.io/XestiMonitors/Classes/BundleClassLoadMonitor.html [bundle_resource_request_monitor]: https://eBardX.github.io/XestiMonitors/Classes/BundleResourceRequestMonitor.html [calendar_day_monitor]: https://eBardX.github.io/XestiMonitors/Classes/CalendarDayMonitor.html [content_size_category_monitor]: https://eBardX.github.io/XestiMonitors/Classes/ContentSizeCategoryMonitor.html [current_locale_monitor]: https://eBardX.github.io/XestiMonitors/Classes/CurrentLocaleMonitor.html [device_motion_monitor]: https://eBardX.github.io/XestiMonitors/Classes/DeviceMotionMonitor.html [document_state_monitor]: https://eBardX.github.io/XestiMonitors/Classes/DocumentStateMonitor.html [extension_host_monitor]: https://eBardX.github.io/XestiMonitors/Classes/ExtensionHostMonitor.html [file_system_object_monitor]: https://eBardX.github.io/XestiMonitors/Classes/FileSystemObjectMonitor.html [focus_monitor]: https://eBardX.github.io/XestiMonitors/Classes/FocusMonitor.html [gyroscope_monitor]: https://eBardX.github.io/XestiMonitors/Classes/GyroscopeMonitor.html [heading_monitor]: https://eBardX.github.io/XestiMonitors/Classes/HeadingMonitor.html [http_cookie_storage_monitor]: https://eBardX.github.io/XestiMonitors/Classes/HTTPCookieStorageMonitor.html [keyboard_monitor]: https://eBardX.github.io/XestiMonitors/Classes/KeyboardMonitor.html [location_authorization_monitor]: https://eBardX.github.io/XestiMonitors/Classes/LocationAuthorizationMonitor.html [magnetometer_monitor]: https://eBardX.github.io/XestiMonitors/Classes/MagnetometerMonitor.html [memory_monitor]: https://eBardX.github.io/XestiMonitors/Classes/MemoryMonitor.html [menu_controller_monitor]: https://eBardX.github.io/XestiMonitors/Classes/MenuControllerMonitor.html [metadata_query_monitor]: https://eBardX.github.io/XestiMonitors/Classes/MetadataQueryMonitor.html [motion_activity_monitor]: https://eBardX.github.io/XestiMonitors/Classes/MotionActivityMonitor.html [network_reachability_monitor]: https://eBardX.github.io/XestiMonitors/Classes/NetworkReachabilityMonitor.html [orientation_monitor]: https://eBardX.github.io/XestiMonitors/Classes/OrientationMonitor.html [pasteboard_monitor]: 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