Android_RxBus传值

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一：使用RxJava模仿EventBus传值，快速方便

依赖：

compile 'io.reactivex:rxjava:1.3.4'compile 'io.reactivex:rxandroid:1.2.1'

二：工具类

public class RxBus {    private static volatile RxBus instance;    private SerializedSubject<Object, Object> bus;    public RxBus() {        bus = new SerializedSubject<Object,Object>(PublishSubject.create());    }    public static RxBus getInstance() {        if (instance == null) {            synchronized (RxBus.class) {                if (null == instance) {                    instance = new RxBus();                }            }        }        return instance;    }    //传入数据    public void post(Object o){        bus.onNext(o);    }    //返回类型--被观察者    public <T> Observable<T> tObservable(Class<T> event) {        return bus.ofType(event);    }}

三：使用

import rx.Observable;import rx.android.schedulers.AndroidSchedulers;import rx.functions.Action1;import rx.schedulers.Schedulers;public class RxbusActivity extends AppCompatActivity {    private TextView tv;    private Button btn;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_rxbus);        tv = (TextView)findViewById(R.id.tv);        btn = (Button)findViewById(R.id.btn);        //点击发送值        btn.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                RxBus.getInstance().post("Android Stuio");            }        });        //得到被观察者        Observable<String> observable = RxBus.getInstance().tObservable(String.class);        //观察者查看        observable                .subscribeOn(Schedulers.io())                .observeOn(AndroidSchedulers.mainThread())                .subscribe(new Action1<String>() {                    @Override                    public void call(String s) {                        //改变TextView值                        tv.setText(s);                    }                });    }}

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