2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31public class MainActivity extends FragmentActivity { 

    Button btn; 

    TextView text; 

    @Override

    protected void onCreate(Bundle savedInstanceState) { 

        super.onCreate(savedInstanceState); 

        setContentView(R.layout.activity_main); 

        EventBus.getInstance().register(this); 

        btn = (Button) findViewById(R.id.btn); 

        text = (TextView) findViewById(R.id.text); 

        btn.setOnClickListener(new View.OnClickListener() { 

            @Override

            public void onClick(View v) { 

                startActivity(new Intent(MainActivity.this,SecondActivity.class)); 

            } 

        }); 

    } 

    public void onEvent(Info i){ 

        Log.i("cky", i.msg); 

    } 

    public void onEventMain(Info i){ 

        text.setText(i.msg); 

    } 

    public void onEventMain(Info2 i){ 

        text.setText(text.getText()+i.msg); 

    } 

}