Android : ActionBarActivity lifeTime to pass Data into ListView

i'm new in Android and i want to pass data from Database into ListView but after get data and save into variable. this method get NULL for dataReceived. but this variable is not null after checking from Debug:

getSupportFragmentManager().beginTransaction().replace(R.id.drawer, dataReceived).commit();

My ActionBarActivity java Class:

public class DashboardActivity extends ActionBarActivity implements
        NavigationDrawerFragment.NavigationDrawerCallbacks, ActionBar.TabListener {


    .
    .
    .


    private ResivedSMS dataReceived;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        context = getBaseContext();

        .
    .
    .

        dataReceived = new ResivedSMS(context);

    }

    .
    .
    .


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        if (!mNavigationDrawerFragment.isDrawerOpen()) {


            getMenuInflater().inflate(R.menu.main, menu);


            return true;

        }

        return super.onCreateOptionsMenu(menu);

    }

    @Override
    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {


        switch ( tab.getPosition() ){

            case 0:

                getSupportFragmentManager().beginTransaction().replace(R.id.drawer, dataReceived).commit();

                break;

        }

    }

    .
    .
    .