Learn Spring for Android Application Development

Calling callbacks

Here, we're calling CallBack<> from MainActivity. This callback response comes from a server or offline requests. This means returning the result of a long-running function at a later moment in time.

Check the MainActivity.kt code to use the CallBack function and handle the result:

class MainActivity : AppCompatActivity() {    var username: String = "sunnat629"    var password: String = "password"    override fun onCreate(savedInstanceState: Bundle?) {        super.onCreate(savedInstanceState)        setContentView(R.layout.activity_main)        val githubService: UserService = UserServiceImpl().getGithubServiceImpl(username,password)        val call: Call<List<UserModel>> = githubService.getUserList()        call.enqueue(object: Callback<List<UserModel>> {            override ...