創(chuàng)建一個Observable(被觀察者),當被觀察者(Observer)/訂閱者(Subscriber)
subscribe(訂閱)的時候就會依次發(fā)出三條字符串數據("Hello","RxJava","Nice to meet you")
最終onComplete ?當被觀察者(Observer) ,確定不是當觀察者(Observer)
RxJava常用操作符創(chuàng)建unfaseCreate(create)創(chuàng)建一個Observable(被觀察者),當被觀察者(Observer)/訂閱者(Subscriber)subscribe(訂閱)...