Hi all, If we use StateFlow in VMs , is it okay to move viewmodelScope directly to IO Dispatcher , and use it for every launch instead of the given one which runs on main? Something like:-

fun CoroutineScope.ioLaunch(
    launchBody: suspend CoroutineScope.() -> Unit
): Job {
    return this.launch(context = <http://Dispatchers.IO|Dispatchers.IO>, block = launchBody)
}

viewmodelScope.ioLaunch{
//Do things
}

Because when using StateFlow , we can update it from any thread and UI will not break

VMs shouldn't need to do any context switch if you're using a CLEAN architecture. The actual `suspend fun`ctions doing blocking or cpu-intensive operations should be the ones in charge of internally switching the context, thus providing main-safe `suspend fun`ctions. This is explained in the Best Practices for Coroutines in Android tutorial

I totally get this part , but if we think about if , if we start the scope in io Dispathcer , there will not be any dispatcher switching as the only reason we do something inside a launch is , that suspend is for sure going to do some io operation, then why not just keep it always at io

Not at all, suspending goes far beyond that just io operations. Take the

sequence

builder function as an example. That function has a

suspend

function type as an argument that allows for declaring algorithms to create infinite collections in a yield-based style

Also, hard-coding Dispatchers should be avoided since it will make your Unit Testing really hard if not impossible.