checkConnection(this) // this: lifecycleOwner (e.g. Activity) which has implemented ConnectivityListener

checkConnection(this, "https://www.site.url")

checkConnection(this, "https://www.site.url", Lifecycle.State.STARTED)

class MainActivity : AppCompatActivity(), ConnectivityListener {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        checkConnection(this)
    }

    override fun onConnectionState(state: ConnectionState) {
        connection_status_tv.text = when (state) {
            ConnectionState.CONNECTED -> {
                "Connected"
            }
            ConnectionState.SLOW -> {
                "Slow Internet Connection"
            }
            else -> {
                "Disconnected"
            }
        }
    }
}

// this is a lifecycleOwner (e.g. Activity or ViewLifecycleOwner)
checkConnection(this) { connectionState ->
    // Your logic here
}

checkConnection(this, "https://www.site.url") { connectionState ->
    // Your logic here
}

checkConnection(this, "https://www.site.url", Lifecycle.State.STARTED) { connectionState ->
    // Your logic here
}

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        checkConnection(this) { connectionState ->
            connection_status_tv.text = when(connectionState) {
                ConnectionState.CONNECTED -> {
                    "Connected"
                }
                ConnectionState.SLOW -> {
                    "Slow Internet Connection"
                }
                else -> {
                    "Disconnected"
                }
            }
        }
    }
}

val connectionChecker = ConnectionChecker(this)

val connectionChecker = ConnectionChecker(this, "https://www.site.url")

val connectionChecker = ConnectionChecker(this, "https://www.site.url", Lifecycle.State.STARTED)

connectionChecker.connectivityListener = object: ConnectivityListener {
    override fun onConnectionState(state: ConnectionState) {
        // Your logic goes here
    }
}

class MainActivity : AppCompatActivity(), ConnectivityListener {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val connectionChecker = ConnectionChecker(this, lifecycle)
        connectionChecker.connectivityListener = this
    }

    override fun onConnectionState(state: ConnectionState) {
        connection_status_tv.text = when (state) {
            ConnectionState.CONNECTED -> {
                "Connected"
            }
            ConnectionState.SLOW -> {
                "Slow Internet Connection"
            }
            else -> {
                "Disconnected"
            }
        }
    }
}