Sethathi

// 1. What would happen if a user pressed back button before `fetchProfileDetailsFromServer` completes
// 2. How can we improve this code?
class ProfileActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_profile)

        loadProfileDetails()
    }

Sethathi

# Which dispatcher should be used for which use case?

## Dispatchers
a) Dispatchers.Main
b) Dispatchers.IO
c) Dispatchers.Default

Sethathi

// `BookingsActivity` is rotatable and currently loads bookings from API on each rotation. How can we prevent this from happening? 
class BookingViewModel(
    private val repository: BookingsRepository
) : ViewModel() {

    // We want to make sure that this is only settable privately.
    val bookings = MutableLiveData<List<Booking>>()

    fun loadBookings() {
        val bookings = repository.getBookings()

Sethathi

// Can you spot any issues with code?
class MyBroadcastReceiverActivity : AppCompatActivity() {
    private var broadcastReceiver: BroadcastReceiver? = null
    override fun onCreate(@Nullable savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_one)
    }

    private fun registerBroadCastReceiver() {
        broadcastReceiver = object : BroadcastReceiver() {