Passing reference to activity

Question

I'm working on a simple multiplayer game on android. I have NetworkManager class which opens connection to the server and provides methods like send and receive.

public class NetworkManager { private Socket socket; public NetworkManager() throws IOException { socket = new Socket(HOST, PORT); ... } public void send(String msg) throws IOException { ... } }

In one activity I connect to the server by creating new instance of NetworkManager. Then, I have to use that instance in several other activities. Is it possible to pass reference to it when starting new activity?

consider a service and binding your service from your activity: developer.android.com/guide/components/bound-services.html — njzk2
– njzk2, Commented Oct 27, 2016 at 19:12

milosmns · Accepted Answer · 2016-10-27 19:08:57Z

No, and you should not do it anyway. Use a service to do the background work: https://developer.android.com/guide/components/services.html - or at least an AsyncTask, but for your use case a service should be a better option.

You can only pass primitive or Parcelable types from one Activity to another.

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