SimpleRxjavaActivity

package com.example.demorxjava;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

import rx.Observable;
import rx.Subscriber;

public class SimpleRxjavaActivity extends AppCompatActivity {

private Observable<String> mObservable;private Subscriber<String> mSubScriber;@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    //一。可观察对象产生数据     //call当产生订阅关系    //-->只机注册的观察者    //结束    mObservable = Observable.create(new Observable.OnSubscribe<String>() {        //call当产生订阅关系        @Override        public void call(Subscriber<? super String> subscriber) {            subscriber.onNext("this is message");//-->只机注册的观察者            int value=1/0;//-->异常事件  交给onError            subscriber.onCompleted();//结束        }    });    //二。观察者 接收数据事件 一定订阅    /*接收完成事件*//*处理出错*//*接收更新数据*/    mSubScriber = new Subscriber<String>() {        /*接收完成事件*/        @Override        public void onCompleted() {            ToastUtil.showShort(getApplicationContext(),"接收完成事件onCompleted");        }        /*处理出错*/        @Override        public void onError(Throwable e) {            ToastUtil.showShort(getApplicationContext(),"接收异常处理e"+e.getMessage());        }        /*接收更新数据*/        @Override        public void onNext(String data) {            ToastUtil.showShort(getApplicationContext(),"接收onNext事件 "+data);        }    };}public void start(View view){    mObservable.subscribe(mSubScriber);//-->数据改变}

}