Todo app fix

MainActivity.kt

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            ToDoAppTheme {
                // A surface container using the 'background' color from the theme
                Surface(
                    modifier = Modifier.fillMaxSize(),
                    color = MaterialTheme.colorScheme.background
                ) {

                    val state by viewModel.state
                    TodoScreen(state = state, onEvents = viewModel::onEvent)
                }
            }
        }
    }

TodoMainViewModel.kt

package com.app.todo

import androidx.compose.runtime.State
import androidx.compose.runtime.mutableStateOf
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.launch

class TodoMainViewModel(
    private val dao: TodoDAO
) : ViewModel() {


    /*private val _todoList = MutableStateFlow(dao.showAllTodos())
    private val _state = mutableStateFlow(TodoState())
    val state = combine(_state, _todoList){
            state, todoList ->
        state.copy(
            todos = todoList
        )
    }.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), TodoState())*/

    private val _state = mutableStateOf(TodoState())
    val state: State<TodoState> = _state

    init {
        getTodos()
    }

    private fun getTodos() {
        var savedTodos = emptyList<TodoData>()

        viewModelScope.launch {
            savedTodos = dao.showAllTodos()
        }
        _state.value = state.value.copy(
            title = "",
            description = "",
            isAddingTodo = false,
            todos = state.value.todos + savedTodos
        )
    }

    fun onEvent(event: TodoEvents) {
        when (event) {
            is TodoEvents.SetDescription -> {
                _state.value = state.value.copy(
                    description = event.setDescription
                )
            }

            is TodoEvents.SetTitle -> {
                _state.value = state.value.copy(
                    title = event.setTitle
                )
            }

            is TodoEvents.DeleteTodo -> {
                viewModelScope.launch {
                    dao.deleteTodoList(event.todo)
                }
            }

            TodoEvents.SaveTodo -> {
                val title = state.value.title
                val description = state.value.description

                if (title.isBlank() || description.isBlank()) return

                val todo = TodoData(
                    title = title,
                    description = description
                )
                viewModelScope.launch {
                    dao.updateTodoList(todo)
                }

                _state.value = state.value.copy(
                    title = "",
                    description = "",
                    isAddingTodo = false,
                    todos = state.value.todos + todo
                )
            }

            TodoEvents.HideDialog -> {
                _state.value = state.value.copy(
                    isAddingTodo = false
                )
            }

            TodoEvents.ShowDialog -> {
                _state.value = state.value.copy(
                    isAddingTodo = true
                )
            }
        }
    }
}

TodoScreen.kt

// comment onEvents on line 90 
        confirmButton = {
            //onEvents(TodoEvents.ShowDialog)
        },