FromJustRxJava

package com.example.demorxjava;

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

import rx.Observable;
import rx.Subscriber;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;

public class FromJustActivity 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.just("hello","RxJava","this","is","a","demo");//-->6 onNext()  1 onCompelete    String infos[]={"hello","RxJava","this","is","a","demo"};    mObservable=Observable.from(infos);    //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) {            printThread("Subscriber-onNext");            ToastUtil.showShort(getApplicationContext(),"接收onNext事件 "+data);        }    };}public void start(View view){    //subscribeOn()设置可观察对象的调度器    //observeOn设置一个安卓专用的更新界面的主线程调度器    //调度器用来给call分配线程    mObservable.subscribeOn(Schedulers.io())            .observeOn(AndroidSchedulers.mainThread())            .subscribe(mSubScriber);//-->数据改变}private  void printThread(String method){    System.out.println("method:"+method+" curr Thread:"+Thread.currentThread().getName());}

}