Rxjava实现eventbus效果

来源：互联网发布：淘宝活动利益点怎么写编辑：程序博客网时间：2024/06/06 18:08

//导入依赖

compile 'io.reactivex:rxandroid:1.1.0'compile 'io.reactivex:rxjava:1.1.2'compile'com.trello:rxlifecycle:0.3.0'compile'com.trello:rxlifecycle-components:0.3.0'//RXBus工具类

public class RxBusUtils {    private static volatile RxBusUtils instance;    private SerializedSubject<Object, Object> bus;    public RxBusUtils(){        bus = new SerializedSubject<>(PublishSubject.create());    }    public static RxBusUtils getInstance(){            if(instance==null){                synchronized (RxBusUtils.class){                    if(instance==null){                        instance= new RxBusUtils();                    }                }            }            return instance;        }    public void post(Object o){        bus.onNext(o);    }    public <T> Observable<T> tObservable(Class<T> event) {        return bus.ofType(event);    }}

//activity

public class MainActivity extends RxAppCompatActivity implements View.OnClickListener {    private Button btn;    private TextView textView;    private Subscription subscribe;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        btn = (Button) findViewById(R.id.btn);        textView = (TextView) findViewById(R.id.tv);        btn.setOnClickListener(this);        //      //在没有忘记写防止内存泄漏使用接收方法 MainActivity extends AppCompatActivity//        subscribe = RxBusUtils.getInstance().tObservable(Person.class)//                .subscribeOn(Schedulers.io())//                .observeOn(AndroidSchedulers.mainThread())//                .subscribe(new Action1<Person>() {//                    @Override//                    public void call(Person person) {//                        textView.setText(person.getName());//                    }//                });        //在忘记写防止内存泄漏使用接收方法 MainActivity extends RxAppCompatActivity        Observable<Person> observable = RxBusUtils.getInstance().tObservable(Person.class);        Subscription subscribe = observable                .compose(this.bindUntilEvent(ActivityEvent.DESTROY))                .subscribe();        subscribe = observable                .subscribeOn(Schedulers.io())                .observeOn(AndroidSchedulers.mainThread())                .subscribe(new Action1<Person>() {                    @Override                    public void call(Person person) {                        textView.setText(person.getName());                    }                });    }    @Override    public void onClick(View view) {        switch (view.getId()) {            case R.id.btn:                Person person = new Person("新数据,456");                RxBusUtils.getInstance().post(person);                break;        }    }//    @Override    //     // 防止内存泄漏//    protected void onDestroy() {//        super.onDestroy();//        if (subscribe!=null) {//            if(subscribe.isUnsubscribed()){//                subscribe.unsubscribe();//            }//        }//    }}

阅读全文

0 0