Changed file structure

DHBW-Service/App/DHBW_ServiceApp.swift

@@ -14,7 +14,7 @@ struct DHBW_ServiceApp: App {
     var body: some Scene {
         WindowGroup {
             ContentView()
-                .environment(\.managedObjectContext, persistenceController.container.viewContext)
+                .environment(\.managedObjectContext, persistenceController.context)
         }
     }
 }

DHBW-Service/ContentView.swift

@@ -1,84 +0,0 @@
-//
-//  ContentView.swift
-//  DHBW-Service
-//
-//  Created by Patrick Müller on 20.12.20.
-//
-
-import SwiftUI
-import CoreData
-
-struct ContentView: View {
-    @Environment(\.managedObjectContext) private var viewContext
-
-    @FetchRequest(
-        sortDescriptors: [NSSortDescriptor(keyPath: \Item.timestamp, ascending: true)],
-        animation: .default)
-    private var items: FetchedResults<Item>
-
-    var body: some View {
-        List {
-            ForEach(items) { item in
-                Text("Item at \(item.timestamp!, formatter: itemFormatter)")
-            }
-            .onDelete(perform: deleteItems)
-        }
-        .toolbar {
-            #if os(iOS)
-                ToolbarItem(placement: .bottomBar) {
-                    EditButton()
-                }
-            #endif
-            
-            ToolbarItem(placement: .bottomBar) {
-                Button(action: addItem) {
-                    Label("Add Item", systemImage: "plus")
-                }
-            }
-        }
-    }
-
-    private func addItem() {
-        withAnimation {
-            let newItem = Item(context: viewContext)
-            newItem.timestamp = Date()
-
-            do {
-                try viewContext.save()
-            } catch {
-                // Replace this implementation with code to handle the error appropriately.
-                // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
-                let nsError = error as NSError
-                fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
-            }
-        }
-    }
-
-    private func deleteItems(offsets: IndexSet) {
-        withAnimation {
-            offsets.map { items[$0] }.forEach(viewContext.delete)
-
-            do {
-                try viewContext.save()
-            } catch {
-                // Replace this implementation with code to handle the error appropriately.
-                // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
-                let nsError = error as NSError
-                fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
-            }
-        }
-    }
-}
-
-private let itemFormatter: DateFormatter = {
-    let formatter = DateFormatter()
-    formatter.dateStyle = .short
-    formatter.timeStyle = .medium
-    return formatter
-}()
-
-struct ContentView_Previews: PreviewProvider {
-    static var previews: some View {
-        ContentView().environment(\.managedObjectContext, PersistenceController.preview.container.viewContext)
-    }
-}

DHBW-Service/Views/ContentView.swift

@@ -0,0 +1,33 @@
+//
+//  ContentView.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 20.12.20.
+//
+
+import SwiftUI
+import CoreData
+
+struct ContentView: View {
+    @State private var selection = 0
+    
+    var body: some View {
+        TabView(selection: $selection) {
+            HomeView()
+                .tabItem {
+                    VStack {
+                        Image(systemName: "house.fill")
+                        Text("Home")
+                    }
+                }
+                .tag(0)
+        }
+    }
+}
+
+struct ContentView_Previews: PreviewProvider {
+    static var previews: some View {
+        ContentView()
+            .preferredColorScheme(.dark)
+    }
+}

DHBW-Service/Views/Tabs/HomeView.swift

@@ -0,0 +1,20 @@
+//
+//  HomeView.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 21.12.20.
+//
+
+import SwiftUI
+
+struct HomeView: View {
+    var body: some View {
+        Text(/*@START_MENU_TOKEN@*/"Hello, World!"/*@END_MENU_TOKEN@*/)
+    }
+}
+
+struct HomeView_Previews: PreviewProvider {
+    static var previews: some View {
+        HomeView()
+    }
+}