How do you guys handle nullable states Doesn t stuff like `T

Question

How do you guys handle nullable states Doesn t stuff like `Text user name ` make the code ugly

Grigorii Yurkov · Answer

In which cases `user` can be null

Se7eN · Answer

Like while it s being fetched `val user by viewModel getUser userId collectAsState initial = null `

Se7eN · Answer

I thought of having a `User ` with empty strings as default values but not sure if that s the best way

Grigorii Yurkov · Answer

I write something like this ```if user == null Loading else User user ```

Se7eN · Answer

I see but in my case it s a screen where practically user will never be null and there s no Loading state for the screen

Grigorii Yurkov · Answer

Can you explain why `getUser` returns `Flow`

Se7eN · Answer

It maps a `Flow lt List lt User gt gt ` to a `Flow lt User gt `

Se7eN · Answer

The `Flow lt List lt User gt gt ` fetches users from a network In the home screen I m displaying that `List lt User gt ` and when a `User` item is clicked I m navigating to another screen and passing that `User` s id Then I m loading that user by simply mapping the user list flow

Se7eN · Answer

The empty User way seems good for my case `val user User by viewModel getUser userId collectAsState initial = emptyUser `

Grigorii Yurkov · Answer

Hm I have the similar case I have `List lt userID` gt displayed and after clicking I load user by his ID and open UserScreen ```onClick = scope launch val user = viewModel loadUserById ID openUserScreen user ```

Se7eN · Answer

Except that you have a Loading state I sometimes do ```user let user gt Text user name ``` but I m trynna save some indentation here

Grigorii Yurkov · Answer

I have no loading state in this case

Grigorii Yurkov · Answer

Because I load user from database

Se7eN · Answer

Ah okay I get it you re waiting for the user to load before opening the screen

Giorgos Neokleous · Answer

How about `Text user name orEmpty `

Se7eN · Answer

There s a lot of user stuff to be displayed so it gets ugly quickly ```Text user name orEmpty CoilImage user picture large orEmpty and a lot of other composables```

Jeisson Sáchica · Answer

Maybe you could specify in the composable that user must not be null and check from the caller if the user is null don t show it or show an empty one ``` Composable fun UserScreen user User user let UserInfo it EmptyComponent Composable fun UserInfo user User Text user name orEmpty CoilImage user picture large orEmpty and a lot of other composables ```

Se7eN · Answer

Yeah that looks good too thanks