SwiftUI-TextField-FocusState.swift

enum CurrentField{
    case field1
    case field2
}

struct TextFieldFocus: View {
    
    @State var field1 = ""
    @State var field2 = ""
    
    @FocusState var activeState: CurrentField?
    
    var body: some View {
        VStack{
            
            TextField("Email", text: $field1)
                .focused($activeState, equals: .field1)
                .submitLabel(.continue)
            
            SecureField("Password", text: $field2)
                .focused($activeState, equals: .field2)
                .submitLabel(.send)
            
            Button("Goto Email") {
                activeState = .field1
            }
            Button("Goto Password") {
                activeState = .field2
            }
            
        }
        .padding()
        .textFieldStyle(.roundedBorder)
    }
}