FlowWithLifecycleUsage.kt

class LocationActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        // Listen to one flow in a lifecycle-aware manner using flowWithLifecycle
        lifecycleScope.launch {
            locationProvider.locationFlow()
                .flowWithLifecycle(lifecycle, Lifecycle.State.STARTED)
                .collect {
                    // New location! Update the map
                }
        }
        
        // Listen to multiple flows
        lifecycleScope.launch {
            repeatOnLifecycle(Lifecycle.State.STARTED) {
                // As collect is a suspend function, if you want to collect
                // multiple flows in parallel, you need to do so in 
                // different coroutines
                launch {
                    flow1.collect { /* Do something */ }   
                }
                
                launch {
                    flow2.collect { /* Do something */ }
                }
            }
        }
    }
}

A safer way to collect flows from Android UIs by Manuel Vivo