ViewModel.kt

@HiltViewModel
class DataViewModel @Inject constructor(
    private val repository: DataStoreRepository
) : ViewModel() {

    fun saveName(value: String) {
        viewModelScope.launch {
            repository.putString(NAME, value)
        }
    }

    fun getName(): String? = runBlocking {
        repository.getString(NAME)
    }

    fun saveAge(value: Int) {
        viewModelScope.launch {
            repository.putInt(AGE, value)
        }
    }

    fun getAge(): Int? = runBlocking {
        repository.getInt(AGE)
    }

}