From 1615a738f86006123c78790eb5296aa8182bdfd3 Mon Sep 17 00:00:00 2001
From: miklosimate <megykereku@gmail.com>
Date: Mon, 11 Mar 2024 00:20:33 +0100
Subject: [PATCH] File transfer working, cleanup needed
---
SenzorDataCollectorApp/ContentView.swift | 18 +--
SenzorDataCollectorApp/ExportToJson.swift | 39 +++---
SenzorDataCollectorApp/Sensors.swift | 4 +-
.../ServerCommunicationManager.swift | 64 ++++-----
.../ServerConnectionView.swift | 126 -----------------
SenzorDataCollectorApp/StartingView.swift | 127 +++++++++++++-----
6 files changed, 152 insertions(+), 226 deletions(-)
diff --git a/SenzorDataCollectorApp/ContentView.swift b/SenzorDataCollectorApp/ContentView.swift
index 32b1acc..a3e055a 100644
--- a/SenzorDataCollectorApp/ContentView.swift
+++ b/SenzorDataCollectorApp/ContentView.swift
@@ -13,7 +13,7 @@ import MobileCoreServices
import SensorKit
struct ContentView: View {
-
+ let manager = ServerCommunicationManager()
//to be able to choose file location
@State var showingFilePicker = false
// The URL of the selected file
@@ -33,7 +33,7 @@ struct ContentView: View {
@State var dataColl = false
@StateObject var sensor = SensorCollector(activeSensorList: [])
- @State var fileLocations: [String] = []
+ @State var fileLocations: [URL] = []
@State var MeasurementID: Int
@ObservedObject var notificationManager = NotificationManager()
@@ -139,10 +139,10 @@ struct ContentView: View {
do {
//calculate timestamps:
let now = Date()
- let timeInMiliseconds = Int(now.timeIntervalSince1970 * 1000)
+ let timeInMilliseconds = Int(now.timeIntervalSince1970 * 1000)
if let selectedFolder = selectedFolder {
- try sensor.exportAllSensorToJson(fileLocations: &fileLocations, filename_prefix: String(MeasurementID) + String(timeInMiliseconds), fileLocationURL: selectedFolder, deviceID: "-")
+ try sensor.exportAllSensorToJson(fileLocations: &fileLocations, filename_prefix: String(MeasurementID) + String(timeInMilliseconds), fileLocationURL: selectedFolder, deviceID: "-", manager: manager)
} else {
print("Please select a folder to save the JSON file.")
}
@@ -152,11 +152,11 @@ struct ContentView: View {
}
.disabled(selectedFolder == nil)
ScrollView{
- VStack{
- ForEach(fileLocations, id: \.self) { location in
- Text(location)
- }
- }
+// VStack{
+// ForEach(fileLocations, id: \.self) { location in
+// Text(location.absoluteString) // Convert URL to String
+// }
+// }
}
.frame(maxHeight: 200)
}.onAppear{
diff --git a/SenzorDataCollectorApp/ExportToJson.swift b/SenzorDataCollectorApp/ExportToJson.swift
index 33ffd84..88a26e9 100644
--- a/SenzorDataCollectorApp/ExportToJson.swift
+++ b/SenzorDataCollectorApp/ExportToJson.swift
@@ -11,20 +11,20 @@ import SwiftUI
import Foundation
import UniformTypeIdentifiers
import UIKit
-
//calls crate jsonfile to the specific sensor - sensorData - has to be the name of the list where the data is stored
//called by Sensors -> exportAllSensorToJson
-func exportToJSON(fileLocations: inout [String],
+func exportToJSON(fileLocations: inout [URL],
sensorData: [(timeInMiliSec: Int, (x: Double, y: Double, z: Double))],
fileName: String,
sensorName: String,
deviceID: String,
- fileLocationURL: URL) throws {
- try fileLocations.append(createJSONFile(FileName: fileName, SensorName: sensorName, Data: sensorData,fileLocationURL: fileLocationURL, deviceID: deviceID))
+ fileLocationURL: URL,
+ manager: ServerCommunicationManager) throws {
+ try fileLocations.append(createJSONFile(FileName: fileName, SensorName: sensorName, Data: sensorData,fileLocationURL: fileLocationURL, deviceID: deviceID, manager: manager))
}
//create the json file
-func createJSONFile(FileName: String, SensorName: String, Data: [(timeInMiliSec: Int, (x: Double, y: Double, z: Double))], fileLocationURL: URL, deviceID: String) throws -> String {
+func createJSONFile(FileName: String, SensorName: String, Data: [(timeInMiliSec: Int, (x: Double, y: Double, z: Double))], fileLocationURL: URL, deviceID: String, manager: ServerCommunicationManager) throws -> URL {
let jsonData: [[String: Any]] = Data.map { tuple in
return [
"timestamp": tuple.0,
@@ -39,17 +39,28 @@ func createJSONFile(FileName: String, SensorName: String, Data: [(timeInMiliSec:
]
let jsonDataObj = try JSONSerialization.data(withJSONObject: json, options: .prettyPrinted)
-
+ let jsonString = String(data: jsonDataObj, encoding: .utf8)!
// Request permission to access the file URL
-
+ var fileURL: URL
do {
try fileLocationURL.startAccessingSecurityScopedResource()
// Now you can access the file at `selectedFileURL`.
- let fileURL = fileLocationURL.appendingPathComponent("\(FileName).json")
+ fileURL = fileLocationURL.appendingPathComponent("\(FileName).json")
try jsonDataObj.write(to: fileURL, options: .atomic)
+ //Server file sending
+// manager.sendMessage(type: "json", filename: FileName, jsonData: jsonString)
+// print("Export to Json called manager Json message sent: filename \(FileName), JsonData: \(jsonData)")
+
+ do {
+ let jsonData = try JSONSerialization.data(withJSONObject: json, options: .prettyPrinted)
+ manager.uploadJsonFile(deviceID: deviceID, jsonData: jsonData, filename: FileName)
+ } catch {
+ print("Error converting JSON data: \(error)")
+ }
+
fileLocationURL.stopAccessingSecurityScopedResource()
} catch {
print("Error accessing file: \(error)")
@@ -57,14 +68,6 @@ func createJSONFile(FileName: String, SensorName: String, Data: [(timeInMiliSec:
fileLocationURL.stopAccessingSecurityScopedResource()
- return fileLocationURL.absoluteString
-}
-
-func returnMeasurementJson() -> [String]{
- //TODO
- let now = Date()
- let timeInMiliSec = Int(now.timeIntervalSince1970 * 1000)
-
- let returnVal = ["{}"]
- return returnVal
+ //return fileLocationURL.absoluteString
+ return fileURL
}
diff --git a/SenzorDataCollectorApp/Sensors.swift b/SenzorDataCollectorApp/Sensors.swift
index e0972a1..e4e8c5b 100644
--- a/SenzorDataCollectorApp/Sensors.swift
+++ b/SenzorDataCollectorApp/Sensors.swift
@@ -224,11 +224,11 @@ class SensorCollector: ObservableObject {
// ------------------------------------------------ J S O N E X P O R T --------------------------------------------
// only needed, to avoid passing the active sensor list to the exporter file
//filename prefix is the timestamp and the ID of the measurement
- func exportAllSensorToJson(fileLocations: inout [String], filename_prefix: String, fileLocationURL: URL, deviceID: String)throws{
+ func exportAllSensorToJson(fileLocations: inout [URL], filename_prefix: String, fileLocationURL: URL, deviceID: String, manager: ServerCommunicationManager)throws{
//export all one-by-one
for sens in activeSensorsList {
do {
- try exportToJSON(fileLocations: &fileLocations, sensorData: sens.sensorData, fileName: filename_prefix + sens.sensorName, sensorName: sens.sensorName, deviceID: deviceID, fileLocationURL: fileLocationURL)
+ try exportToJSON(fileLocations: &fileLocations, sensorData: sens.sensorData, fileName: filename_prefix + sens.sensorName, sensorName: sens.sensorName, deviceID: deviceID, fileLocationURL: fileLocationURL, manager: manager)
} catch {
print("Error exporting \(sens.sensorName) data to JSON: \(error.localizedDescription)")
diff --git a/SenzorDataCollectorApp/ServerCommunicationManager.swift b/SenzorDataCollectorApp/ServerCommunicationManager.swift
index 4d18116..bd804d3 100644
--- a/SenzorDataCollectorApp/ServerCommunicationManager.swift
+++ b/SenzorDataCollectorApp/ServerCommunicationManager.swift
@@ -6,8 +6,6 @@
//
// ServerCommunicationManager.swift
-// ServerCommunicationManager.swift
-
import Foundation
class ServerCommunicationManager: ObservableObject {
@@ -24,48 +22,45 @@ class ServerCommunicationManager: ObservableObject {
@Published var state = "NoConnection"
var portNumber = "3000"
var current_cnt = 0
-
-
- func sendJson(type: String){
- //TODO
- sendMessage(type: "JsonData")
+ //---------- SENDING JSON TO SERVER -----------------------------------------------
+ func uploadJsonFile(deviceID: String, jsonData: Data, filename: String) {
+ guard let url = URL(string: "http://\(hostName):\(portNumber)/json/\(deviceID)/\(filename)") else {
+ self.serverResponse = "Invalid URL"
+ return
+ }
+
+ var request = URLRequest(url: url)
+ request.httpMethod = "POST"
+ request.setValue("application/json", forHTTPHeaderField: "Content-Type")
+ request.httpBody = jsonData
+
+ let session = URLSession.shared
+ let task = session.dataTask(with: request) { data, response, error in
+ if let error = error {
+ self.serverResponse = "Error: \(error.localizedDescription)"
+ } else if let httpResponse = response as? HTTPURLResponse, (200...299).contains(httpResponse.statusCode) {
+ self.serverResponse = "File uploaded successfully"
+ } else {
+ self.serverResponse = "Error uploading file"
+ }
+ }
+ task.resume()
}
-
- func sendMessage(
- type: String
- ) {
+
+ func sendMessage(type: String, filename: String="", jsonData: String = "") {
guard let port = Int(portNumber), !hostName.isEmpty else {
serverResponse = "Invalid Port Number or Host"
return
}
-
+
var urlString = "http://\(hostName):\(port)/\(type)"
-
+ //It this is not an init message, we want to be able to tell what device does the message comes from
if type != "init", deviceID == deviceID {
urlString += "/\(deviceID)"
}
- var jsonBody = ["string" : 0]
-
- if type == "stillHere" {
- current_cnt += 1
- jsonBody = [
- "NumberOfMeasurements": numberOfMeasurements,
- "current": current_cnt
- ]
- }
-
- if type == "JsonData"{
- //TODO
- }
- guard let jsonData = try? JSONSerialization.data(withJSONObject: jsonBody) else {
- serverResponse = "Error creating JSON body"
- return
- }
-
var request = URLRequest(url: URL(string: urlString)!)
request.httpMethod = "POST"
- request.httpBody = jsonData
URLSession.shared.dataTask(with: request) { data, response, error in
if let error = error {
@@ -128,10 +123,6 @@ class ServerCommunicationManager: ObservableObject {
}
}
- if type == "stillHere" {
-
- }
-
} catch {
self.serverResponse = "Error decoding JSON response: \(error.localizedDescription)"
}
@@ -166,7 +157,6 @@ class ServerCommunicationManager: ObservableObject {
}
func populateTimerList(){
-
timerIntervalValues.removeAll()
for _ in 0..<self.numberOfMeasurements {
let randomDelay = Int.random(in: 0...self.delay)
diff --git a/SenzorDataCollectorApp/ServerConnectionView.swift b/SenzorDataCollectorApp/ServerConnectionView.swift
index a47d0e2..ff1ca1e 100644
--- a/SenzorDataCollectorApp/ServerConnectionView.swift
+++ b/SenzorDataCollectorApp/ServerConnectionView.swift
@@ -44,12 +44,6 @@ struct ServerConnectionView: View {
manager.sendMessage(type: "init")
}
.padding()
-
- Button("Am I OK?") {
- manager.sendMessage(type: "am-i-ok")
- }
- .padding()
- .disabled(!manager.isAmIOkButtonEnabled)
}
Text("Server Response: \(manager.serverResponse)")
@@ -60,126 +54,6 @@ struct ServerConnectionView: View {
.navigationBarTitle("Server connection", displayMode: .inline)
}
}
-
-// public func sendMessage(type: String) {
-// guard let port = Int(portNumber), !hostName.isEmpty else {
-// serverResponse = "Invalid Port Number or Host"
-// return
-// }
-//
-// var urlString = "http://\(hostName):\(port)/\(type)"
-//
-// if type != "init", deviceID == deviceID {
-// urlString += "/\(deviceID)"
-// }
-//
-// let jsonBody: [String: Any] = [
-// "NumberOfMeasurements": numberOfMeasurements,
-// "Intervals": intervals,
-// "Delay": delay
-// ]
-//
-// guard let jsonData = try? JSONSerialization.data(withJSONObject: jsonBody) else {
-// serverResponse = "Error creating JSON body"
-// return
-// }
-//
-// var request = URLRequest(url: URL(string: urlString)!)
-// request.httpMethod = "POST"
-// request.httpBody = jsonData
-//
-// URLSession.shared.dataTask(with: request) { data, response, error in
-// if let error = error {
-// self.serverResponse = "Error: \(error.localizedDescription)"
-// } else if let data = data {
-// if let responseString = String(data: data, encoding: .utf8) {
-// DispatchQueue.main.async {
-// self.handleResponse(responseString, type: type)
-// }
-// }
-// }
-// }.resume()
-// }
-//
-// private func handleResponse(_ response: String?, type: String) {
-// guard let response = response else {
-// self.serverResponse = "Empty response"
-// return
-// }
-//
-// do {
-// if type == "am-i-ok" {
-// serverResponse = "init response: \(response)"
-// if let data = response.data(using: .utf8),
-// let json = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any],
-// let error = json["error"] as? String {
-//
-// if error.isEmpty {
-// serverResponse = "OK"
-// sendMessage(type: "Ready")
-// state = "Ready"
-// } else {
-// serverResponse = "am i ok response with error: \(error)"
-// }
-// } else {
-// serverResponse = "Invalid JSON format in am-i-ok response"
-// }
-// }
-//
-// if type == "init" {
-// serverResponse = "init response: \(response)"
-// if let data = response.data(using: .utf8),
-// let json = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any],
-// let error = json["error"] as? String {
-//
-// if error.isEmpty {
-// serverResponse = "Init response without error"
-// if let deviceID = json["deviceID"] as? String {
-// self.deviceID = deviceID
-// }
-//
-// if let serverConfig = json["serverConfig"] as? [String: String] {
-// updateServerConfig(serverConfig)
-// }
-// } else {
-// serverResponse = "Init response with error: \(error)"
-// }
-// } else {
-// serverResponse = "Invalid JSON format in init response"
-// }
-// }
-// } catch {
-// self.serverResponse = "Error decoding JSON response: \(error.localizedDescription)"
-// }
-// }
-//
-// private func updateServerConfig(_ config: [String: String]) {
-// if let numberOfMeasurementsStr = config["NumberOfMeasurements"],
-// let numberOfMeasurements = Int(numberOfMeasurementsStr) {
-// self.numberOfMeasurements = numberOfMeasurements
-// } else {
-// serverResponse = "Invalid value for NumberOfMeasurements"
-// }
-//
-// if let intervalsStr = config["Intervals"],
-// let intervals = Int(intervalsStr) {
-// self.intervals = intervals
-// } else {
-// serverResponse = "Invalid value for Intervals"
-// }
-//
-// if let delayStr = config["Delay"],
-// let delay = Int(delayStr) {
-// self.delay = delay
-// } else {
-// serverResponse = "Invalid value for Delay"
-// }
-//
-// isAmIOkButtonEnabled = true
-// sendMessage(type: "am-i-ok")
-// state = "Init"
-// }
-
}
struct ServerConnectionView_Previews: PreviewProvider {
diff --git a/SenzorDataCollectorApp/StartingView.swift b/SenzorDataCollectorApp/StartingView.swift
index 4627712..3415454 100644
--- a/SenzorDataCollectorApp/StartingView.swift
+++ b/SenzorDataCollectorApp/StartingView.swift
@@ -29,7 +29,7 @@ struct StartingView: View {
@StateObject private var manager = ServerCommunicationManager()
@State private var iterationCount = 0
@State var displayText = ""
-// @State var timerValues = [0]
+ @State var first_open = true
//----------TIMER SETUP SETTINGS AND VARS -----------------------------------------------------
@StateObject var customTimer : CustomTimer
@@ -46,51 +46,67 @@ struct StartingView: View {
let motionManager = CMMotionManager()
let altimeter = CMAltimeter()
- @State var fileLocations: [String] = []
+ @State var fileLocations: [URL] = []
let activityManager = CMMotionActivityManager()
+ @State var debug = true
var body: some View {
NavigationView {
VStack {
-
+ Spacer()
//----------------------------- DEBUG VALUE DISPAY ---------------------------------
- Text("Notification list: \(manager.timerIntervalValues.map { "\($0)" }.joined(separator: ", "))")
- Text("Next notification in: \(customTimer.timerStringValue)")
- Text("The timer is: \(customTimer.isStarted ? "on" : "off")")
+ Text("Notification list: \(manager.timerIntervalValues.map { "\($0)" }.joined(separator: ", "))").opacity(debug ? 0 : 1)
+ Text("Next notification in: \(customTimer.timerStringValue)").opacity(debug ? 0 : 1)
Text("\(manager.serverResponse)")
- .padding()
-
+ .padding().opacity(debug ? 0 : 1)
//----------------------------- STARTING - STOPPING THE ITERATION CYCL ---------------
Button("Set next"){
setNextMeasurement()
- }
+ }.opacity(debug ? 0 : 1)
+
Button("Start Iterations") {
-
+ setNextMeasurement()
sensor.startAllRecording(motionManager: motionManager, altimeter: altimeter)
customTimer.startTimer()
- }.padding().disabled(manager.state != "Ready")
+ }.padding().disabled(manager.state != "Ready").opacity(debug ? 0 : 1)
Button("STOP Iterations") {
sensor.stopAllRecording(motionManager: motionManager, altimeter: altimeter)
- //Save json
customTimer.stopTimer()
- }.padding()
-
+ }.padding().opacity(debug ? 0 : 1)
+
Text("\(manager.numberOfMeasurements - manager.timerIntervalValues.count >= 0 ? "\(manager.numberOfMeasurements - manager.timerIntervalValues.count)/\(manager.numberOfMeasurements)" : "Not initialised")")
.padding()
+
+ ForEach($sensor.activeSensorsList, id: \.self) { $list in
+ HStack{
+ Text(list.sensorName)
+
+ Text(String(list.sensorData.count))
+ NavigationLink(
+ destination: SensorDetailView(
+ x: $list.sensorData.last?.1.x ?? .constant(0.0),
+ y: $list.sensorData.last?.1.y ?? .constant(0.0),
+ z: $list.sensorData.last?.1.z ?? .constant(0.0), sensorName: $list.sensorName ),
+
+ label: { Text("Details") }
+ )
+ }
+ }
+
+
Button("CreateDIR"){
createDirectory()
- }.padding()
+ }.padding().opacity(debug ? 0 : 1)
Button("Select destination") {
showingFilePicker = true
}.padding()
-
- .fileImporter(isPresented: $showingFilePicker, allowedContentTypes: [.folder], allowsMultipleSelection: false) { result in
- // Handle the user-selected file or folder
+ .fileImporter(isPresented: $showingFilePicker, allowedContentTypes: [.folder], allowsMultipleSelection: false) { result in
+ // Handle the user-selected file or folder
switch result {
case .success(let urls):
// Check if any URLs were selected
@@ -101,13 +117,27 @@ struct StartingView: View {
case .failure(let error):
print("Error selecting folder: \(error.localizedDescription)")
}
-
- }
+
+ }.opacity(debug ? 0 : 1)
Button("Save All to JSON") {
saveAllToJson()
}
.disabled(selectedFolder == nil)
+ .opacity(debug ? 0 : 1)
+
+ Spacer()
+ Button(action: {
+ debug.toggle() // Toggle debug mode
+ }) {
+ Text("Debug Mode")
+ .padding(5)
+ .background(
+ RoundedRectangle(cornerRadius: 5)
+ .foregroundColor(!debug ? Color.red : Color.yellow)
+ )
+ .foregroundColor(.white)
+ }
}
//----------------------------- TITLE ---------------------------------
.navigationBarTitle("Starting View", displayMode: .inline)
@@ -134,14 +164,12 @@ struct StartingView: View {
.foregroundColor(.white)
}
)
-
//----------------------------- STATUS INDICATOR SHEETS ---------------------------------
.sheet(isPresented: $isServerSettingsSheetPresented, content: {
ServerConnectionView(
manager: manager
)
- }
- )
+ })
.sheet(isPresented: $sensorDetailSheetPresented, content: {
VStack{
ForEach($sensor.activeSensorsList, id: \.self) { $list in
@@ -154,13 +182,41 @@ struct StartingView: View {
x: $list.sensorData.last?.1.x ?? .constant(0.0),
y: $list.sensorData.last?.1.y ?? .constant(0.0),
z: $list.sensorData.last?.1.z ?? .constant(0.0), sensorName: $list.sensorName ),
-
- label: { Text("Details") }
- )
+
+ label: { Text("Details") }
+ )
}
}
}.padding()
})
+ //---------------------------------- FIRST STARTUP ----------------------------------------
+ .sheet(isPresented: $first_open, content : {
+ Button {
+ if manager.state != "Ready" {
+ manager.sendMessage(type: "init")
+ }
+
+ if manager.state == "Ready" {
+ createDirectory()
+ setNextMeasurement()
+ sensor.startAllRecording(motionManager: motionManager, altimeter: altimeter)
+ customTimer.startTimer()
+ first_open = false
+ }
+ } label: {
+ Text(manager.state != "Ready" ? "Get started" : manager.state)
+ .padding(.horizontal, 10)
+ .background(
+ getColorForStatus(manager.state)
+ .cornerRadius(5)
+ )
+ .foregroundColor(.white)
+ }
+ // TODO - does not reflect correctly
+ Text(manager.serverResponse == "Basic response" || manager.serverResponse == "OK" ? "" : manager.serverResponse)
+ Text(manager.state != "Ready" ? "Click the button to connect to the server " : "Click the button to start the measurements")
+
+ })
//----------------------------- TIMER REFRESH ---------------------------------
.onReceive(Timer.publish(every: 1, on: .main, in: .common).autoconnect()){
_ in
@@ -170,17 +226,19 @@ struct StartingView: View {
}
//----------------------------- NOTIFICAION HANDELING ---------------------------------
.alert("ALERT!!!", isPresented: $customTimer.isFinished) {
- Button("OK",role: .cancel){
+ Button("Next",role: .cancel){
sensor.stopAllRecording(motionManager: motionManager, altimeter: altimeter)
customTimer.stopTimer()
+ saveAllToJson()
setNextMeasurement()
-
sensor.startAllRecording(motionManager: motionManager, altimeter: altimeter)
customTimer.startTimer()
}
- Button("Cancel", role: .destructive){
-
+ Button("Stop", role: .destructive){
+ sensor.stopAllRecording(motionManager: motionManager, altimeter: altimeter)
+ customTimer.stopTimer()
+ saveAllToJson()
}
}
}
@@ -192,13 +250,15 @@ struct StartingView: View {
let timeInMilliseconds = Int(now.timeIntervalSince1970 * 1000)
if let selectedFolder = selectedFolder {
- try sensor.exportAllSensorToJson(fileLocations: &fileLocations, filename_prefix: String(iterationCount) + String(timeInMilliseconds), fileLocationURL: selectedFolder, deviceID: "-")
+ try sensor.exportAllSensorToJson(fileLocations: &fileLocations, filename_prefix: String(iterationCount) + String(timeInMilliseconds), fileLocationURL: selectedFolder, deviceID: manager.deviceID, manager: manager)
+
} else {
print("Please select a folder to save the JSON file.")
}
} catch {
print("Error exporting to JSON: \(error.localizedDescription)")
}
+ // print("File locations: \(fileLocations)")
}
//----------------------------- JSON LOCATION DIR CREATION ------------------------------------
func createDirectory() {
@@ -218,7 +278,7 @@ struct StartingView: View {
print("Error creating directory: \(error)")
}
}
-
+
}
//----------------------------- STATUS INDICATOR COLOR PICKER ---------------------------------
private func getColorForStatus(_ status: String) -> Color {
@@ -231,7 +291,6 @@ struct StartingView: View {
return .yellow
}
}
-
//----------------------------- SETTING UP NEXT "TIME" FOR TIMER ---------------------------------
private func setNextMeasurement(){
if !manager.timerIntervalValues.isEmpty {
@@ -249,7 +308,7 @@ struct StartingView: View {
struct StartingView_Previews: PreviewProvider {
static var previews: some View {
StartingView( customTimer: CustomTimer())
-
+
}
}
--
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