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Add sharing remote settings with QR code (#452)
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‎LoopFollow.xcodeproj/project.pbxproj‎

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6541341A2E1DC27900BDBE08 /* OverridePresetData.swift in Sources */ = {isa = PBXBuildFile; fileRef = 654134192E1DC27900BDBE08 /* OverridePresetData.swift */; };
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6541341C2E1DC28000BDBE08 /* DateExtensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6541341B2E1DC28000BDBE08 /* DateExtensions.swift */; };
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656F8C102E49F36F0008DC1D /* QRCodeDisplayView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 656F8C0F2E49F36F0008DC1D /* QRCodeDisplayView.swift */; };
17+
656F8C122E49F3780008DC1D /* QRCodeGenerator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 656F8C112E49F3780008DC1D /* QRCodeGenerator.swift */; };
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656F8C142E49F3D20008DC1D /* RemoteCommandSettings.swift in Sources */ = {isa = PBXBuildFile; fileRef = 656F8C132E49F3D20008DC1D /* RemoteCommandSettings.swift */; };
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65E153C32E4BB69100693A4F /* URLTokenValidationView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 65E153C22E4BB69100693A4F /* URLTokenValidationView.swift */; };
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6584B1012E4A263900135D4D /* TOTPService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6584B1002E4A263900135D4D /* TOTPService.swift */; };
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65E8A2862E44B0300065037B /* VolumeButtonHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 65E8A2852E44B0300065037B /* VolumeButtonHandler.swift */; };
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DD0247592DB2E89600FCADF6 /* AlarmCondition.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD0247582DB2E89600FCADF6 /* AlarmCondition.swift */; };
@@ -399,6 +403,10 @@
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654134172E1DC09700BDBE08 /* OverridePresetsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OverridePresetsView.swift; sourceTree = "<group>"; };
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6541341B2E1DC28000BDBE08 /* DateExtensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DateExtensions.swift; sourceTree = "<group>"; };
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656F8C0F2E49F36F0008DC1D /* QRCodeDisplayView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QRCodeDisplayView.swift; sourceTree = "<group>"; };
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656F8C112E49F3780008DC1D /* QRCodeGenerator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QRCodeGenerator.swift; sourceTree = "<group>"; };
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656F8C132E49F3D20008DC1D /* RemoteCommandSettings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RemoteCommandSettings.swift; sourceTree = "<group>"; };
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65E153C22E4BB69100693A4F /* URLTokenValidationView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = URLTokenValidationView.swift; sourceTree = "<group>"; };
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6584B1002E4A263900135D4D /* TOTPService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TOTPService.swift; sourceTree = "<group>"; };
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65E8A2852E44B0300065037B /* VolumeButtonHandler.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VolumeButtonHandler.swift; sourceTree = "<group>"; };
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A7D55B42A22051DAD69E89D0 /* Pods_LoopFollow.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_LoopFollow.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -916,6 +924,8 @@
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DD4878062C7B2E9E0048F05C /* Settings */ = {
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isa = PBXGroup;
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children = (
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65E153C22E4BB69100693A4F /* URLTokenValidationView.swift */,
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656F8C132E49F3D20008DC1D /* RemoteCommandSettings.swift */,
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DD4878072C7B30BF0048F05C /* RemoteSettingsView.swift */,
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DD4878092C7B30D40048F05C /* RemoteSettingsViewModel.swift */,
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);
@@ -1220,6 +1230,7 @@
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DDF6999C2C5AAA4C0058A8D9 /* Views */ = {
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isa = PBXGroup;
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children = (
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656F8C0F2E49F36F0008DC1D /* QRCodeDisplayView.swift */,
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DDE75D2C2DE71401007C1FC1 /* TogglableSecureInput.swift */,
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DDE75D222DE5E505007C1FC1 /* Glyph.swift */,
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DD8316492DE4C504004467AA /* SettingsStepperRow.swift */,
@@ -1489,6 +1500,7 @@
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FCC688542489367300A0279D /* Helpers */ = {
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isa = PBXGroup;
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children = (
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656F8C112E49F3780008DC1D /* QRCodeGenerator.swift */,
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DD4A407D2E6AFEE6007B318B /* AuthService.swift */,
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DD1D52B82E1EB5DC00432050 /* TabPosition.swift */,
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DD83164B2DE4DB3A004467AA /* BinaryFloatingPoint+localized.swift */,
@@ -1880,10 +1892,12 @@
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DD7F4C0F2DD51EC200D449E9 /* TempTargetStartCondition.swift in Sources */,
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DDBD19962DFB44B0005C2D69 /* Alarm+byPriorityThenSpec.swift in Sources */,
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656F8C102E49F36F0008DC1D /* QRCodeDisplayView.swift in Sources */,
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DDC6CA3D2DD7C6090060EE25 /* TemporaryCondition.swift in Sources */,
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DD9ACA0E2D340BFF00415D8A /* AlarmTask.swift in Sources */,
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DDCF9A822D85FD15004DF4DD /* AlarmType.swift in Sources */,
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DD7FFAFD2A72953000C3A304 /* EKEventStore+Extensions.swift in Sources */,
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656F8C122E49F3780008DC1D /* QRCodeGenerator.swift in Sources */,
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6541341A2E1DC27900BDBE08 /* OverridePresetData.swift in Sources */,
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FCC6886724898F8000A0279D /* UserDefaultsValue.swift in Sources */,
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DD7F4C092DD504A700D449E9 /* OverrideStartCondition.swift in Sources */,
@@ -1900,6 +1914,7 @@
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DD7F4C072DD5042F00D449E9 /* OverrideStartAlarmEditor.swift in Sources */,
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DDCC3A4B2DDBB5E4006F1C10 /* BatteryCondition.swift in Sources */,
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DDDF6F492D479AF000884336 /* NoRemoteView.swift in Sources */,
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656F8C142E49F3D20008DC1D /* RemoteCommandSettings.swift in Sources */,
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DD12D4872E1705E6004E0112 /* AlarmsContainerView.swift in Sources */,
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DD83164A2DE4C504004467AA /* SettingsStepperRow.swift in Sources */,
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DD0650ED2DCE9371004D3B41 /* HighBgAlarmEditor.swift in Sources */,
@@ -2053,6 +2068,7 @@
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DD0650EF2DCE96FF004D3B41 /* HighBGCondition.swift in Sources */,
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DDC6CA472DD8D9010060EE25 /* PumpChangeAlarmEditor.swift in Sources */,
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DD4878132C7B750D0048F05C /* TempTargetView.swift in Sources */,
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65E153C32E4BB69100693A4F /* URLTokenValidationView.swift in Sources */,
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DD0C0C682C48529400DBADDF /* Metric.swift in Sources */,
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FCC6886D2489909D00A0279D /* AnyConvertible.swift in Sources */,
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DDC6CA432DD8CED20060EE25 /* SensorAgeCondition.swift in Sources */,

‎LoopFollow/Helpers/QRCodeGenerator.swift‎

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// LoopFollow
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// QRCodeGenerator.swift
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// Created by codebymini.
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import CoreImage
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import UIKit
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enum QRCodeGenerator {
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/// Generates a QR code image from a string
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/// - Parameters:
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/// - string: The string to encode in the QR code
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/// - size: The size of the generated image (default: 200x200)
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/// - correctionLevel: The error correction level (default: .M)
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/// - Returns: A UIImage containing the QR code, or nil if generation fails
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static func generateQRCode(
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from string: String,
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size: CGSize = CGSize(width: 200, height: 200),
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correctionLevel: String = "M"
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) -> UIImage? {
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// Create a CIFilter for QR code generation
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guard let filter = CIFilter(name: "CIQRCodeGenerator") else {
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return nil
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}
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// Set the input data (the string to encode)
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let data = string.data(using: .utf8)
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filter.setValue(data, forKey: "inputMessage")
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// Set the error correction level
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filter.setValue(correctionLevel, forKey: "inputCorrectionLevel")
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// Get the output image
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guard let outputImage = filter.outputImage else {
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return nil
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}
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// Scale the image to the desired size
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let scaleX = size.width / outputImage.extent.size.width
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let scaleY = size.height / outputImage.extent.size.height
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let scaledImage = outputImage.transformed(by: CGAffineTransform(scaleX: scaleX, y: scaleY))
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// Convert CIImage to UIImage
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let context = CIContext()
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guard let cgImage = context.createCGImage(scaledImage, from: scaledImage.extent) else {
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return nil
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}
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return UIImage(cgImage: cgImage)
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}
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/// Generates a QR code image with custom colors
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/// - Parameters:
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/// - string: The string to encode in the QR code
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/// - size: The size of the generated image (default: 200x200)
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/// - foregroundColor: The color of the QR code (default: black)
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/// - backgroundColor: The background color (default: white)
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/// - correctionLevel: The error correction level (default: .M)
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/// - Returns: A UIImage containing the QR code, or nil if generation fails
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static func generateQRCode(
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from string: String,
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size: CGSize = CGSize(width: 200, height: 200),
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foregroundColor: UIColor = .black,
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backgroundColor: UIColor = .white,
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correctionLevel: String = "M"
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) -> UIImage? {
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// First generate the basic QR code
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guard let qrCodeImage = generateQRCode(from: string, size: size, correctionLevel: correctionLevel) else {
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return nil
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}
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// Create a new image context with the desired size
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UIGraphicsBeginImageContextWithOptions(size, false, 0)
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defer { UIGraphicsEndImageContext() }
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guard let context = UIGraphicsGetCurrentContext() else {
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return nil
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}
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// Fill the background
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backgroundColor.setFill()
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context.fill(CGRect(origin: .zero, size: size))
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// Draw the QR code with the foreground color
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context.setFillColor(foregroundColor.cgColor)
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context.setBlendMode(.sourceIn)
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// Create a mask from the original QR code
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if let cgImage = qrCodeImage.cgImage {
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let maskImage = UIImage(cgImage: cgImage)
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maskImage.draw(in: CGRect(origin: .zero, size: size))
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}
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return UIGraphicsGetImageFromCurrentImageContext()
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}
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}

‎LoopFollow/Helpers/Views/QRCodeDisplayView.swift‎

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// LoopFollow
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// QRCodeDisplayView.swift
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// Created by codebymini.
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import SwiftUI
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import UIKit
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struct QRCodeDisplayView: View {
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let qrCodeString: String
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let size: CGSize
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let foregroundColor: UIColor
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let backgroundColor: UIColor
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@State private var qrCodeImage: UIImage?
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init(
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qrCodeString: String,
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size: CGSize = CGSize(width: 250, height: 250),
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foregroundColor: UIColor = .black,
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backgroundColor: UIColor = .white
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) {
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self.qrCodeString = qrCodeString
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self.size = size
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self.foregroundColor = foregroundColor
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self.backgroundColor = backgroundColor
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}
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var body: some View {
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VStack(spacing: 16) {
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if let qrCodeImage = qrCodeImage {
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Image(uiImage: qrCodeImage)
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.resizable()
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.aspectRatio(contentMode: .fit)
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.frame(width: size.width, height: size.height)
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.cornerRadius(12)
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.shadow(radius: 4)
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} else {
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.gray.opacity(0.3))
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.frame(width: size.width, height: size.height)
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.overlay(
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ProgressView()
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.scaleEffect(1.5)
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)
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}
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Text("Scan this QR code with another LoopFollow app to import remote command settings")
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.font(.caption)
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.foregroundColor(.secondary)
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.multilineTextAlignment(.center)
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.padding(.horizontal, 20)
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}
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.onAppear {
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generateQRCode()
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}
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}
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private func generateQRCode() {
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DispatchQueue.global(qos: .userInitiated).async {
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let image = QRCodeGenerator.generateQRCode(
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from: qrCodeString,
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size: size,
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foregroundColor: foregroundColor,
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backgroundColor: backgroundColor
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)
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DispatchQueue.main.async {
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self.qrCodeImage = image
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}
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}
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}
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}
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#Preview {
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QRCodeDisplayView(qrCodeString: "https://example.com/test")
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.padding()
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}

‎LoopFollow/Log/LogManager.swift‎

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@@ -28,6 +28,7 @@ class LogManager {
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case volumeButtonSnooze = "Volume Button Snooze"
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case calendar = "Calendar"
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case deviceStatus = "Device Status"
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case remote = "Remote"
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}
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init() {

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