mConversationArrayAdapter = new ArrayAdapter<String>(this, R.layout.message);
if(j==1)
mConversationView = (ListView) findViewById(R.id.in);
mConversationView.setAdapter(mConversationArrayAdapter);
if(j==2)
mConversationView2 = (ListView) findViewById(R.id.in2);
mConversationView2.setAdapter(mConversationArrayAdapter);
if(j==3)
mConversationView3 = (ListView) findViewById(R.id.in3);
mConversationView3.setAdapter(mConversationArrayAdapter);
요런식으로 는 못쓰는 건가여????