public class VSession {    private VSession() {    }    public static VSession getInstance() {        if (session == null)            session = new VSession();        return session;    }    // 跳转到主Activity    public void exit(Activity activity) {        Intent intent = new Intent(activity, MainActivity.class);        activity.startActivity(intent);        activity.overridePendingTransition(R.anim.push_right_in,R.anim.push_right_out);        activity.finish();    } }

 

VSession.getInstance().exit(TextActivity.this);