"Android Advanced Light"--event bus

NO1:

Eventbus three elements:

1) Event: Events

2) Subscriber: Event subscribers

3) Publisher: Event Publisher

No2:

Eventbus 4 Types of Threadmode (threading model):

1) POSTING (default): Which thread the event is published on, and in which thread the event handler will run

2) MAIN: Handling of events is performed in the UI thread

3) BACKGROUND: Execute in New thread or sub-thread released, disable UI update operation

4) ASYNC: Execute in New child thread, disable UI update operation

No3:

Eventbus Source Code Analysis

Eventbus.getdefault () (singleton mode)

New Eventbus ()

Eventbus (eventbusbuilder) (builder mode)

Register->

Subscribermethodfinder.findsubscribermethods->findusinginfo->getsubscriberinfo-> Findusingreflectioninsingleclass->

Subscribe->

...

No4:

Otto Use

Compile ' com.squareup:otto:1.3.8 '

 Public class busdata{    public  String message;      Public busdata (String message) {        this. Message = message;    }       Public String getMessage () {        return  message;    }      Public void setmessage (String message) {        this. Message = message;    }} 

 Public classOttobusextendsbus{Private volatile StaticOttobus Bus; PrivateOttobus () {} Public StaticOttobus getinstance () {if(Bus = =NULL){            synchronized(Ottobus.class){                if(bus==NULL) {Bus=NewOttobus (); }            }        }        returnbus; }}

Bus bus = ottobus.getinstance (); Bus.register (this), Bus.unregister (this); @ Subscribepublicvoid  setcontent (busdata data) {    Tv_message.settext (data.getmessage ( ));} Ottobus.getinstance (). Post (new busdata ("Liu Wangshu's Blog updated"));

NO5:

Functions of Otto Main class

1) Produce, Subscribe: Publisher and Subscriber note classes

2) Bus: Event Bus class, used to register and unregister, maintain publish-subscribe model, and handle event dispatch distribution

3) Handlerfinder, Annotatedhandlerfinder: Used to find publishers and Subscribers

4) Eventproducer, EventHandler: Encapsulates the data structure of the Publisher and subscriber separately

"Android Advanced Light"--event bus