Send/Receive an intent

Sending side:

Intent i = new Intent(UIthread, SecondActivity.class);
i.putExtra("js_url", adapter.js_url);
i.putExtra("playfunc", adapter.select_func[position]);
startActivity(i);

Receiving side:

Intent intent = getIntent();
js_url = intent.getStringArrayExtra("js_url");
playfunc = intent.getStringExtra("playfunc");