Agent mode of Android design mode

Proxy mode:

Provides a proxy for other objects to control access to this object

The subject class defines the common interface of the realsubject and proxy, so that you can use the proxy in any place where you use Realsubject

Interface subject{    void  request ();

The Realsubject class, which defines the real entity represented by the proxy

class Implements subject{    @Override    publicvoid  request () {        System.out.println ( "Real Request");}    }

proxy class, saving a reference so that the agent can access the entity

class Implements subject{    realsubject realsubject;    @Override    publicvoid  request () {        ifnull) {             New Realsubject ();        }        Realsubject.request ();    }}

Main function code

 Public Static void Main (string[] args) {    new  Proxy ();    Proxy.request ();}

Agent mode of Android design mode