android: Interface回调函数

------------------Interface回调函数--------------------------------------

Caller.java

interface ICallInterface

{

    public void callBack();

}

public class Caller

{

    public ICallInterface icallback;

    public void setCallBack(ICallInterface cb)

    {

       this.icallback= cb;

    }

    public void call(){

       this.icallback.callBack();

    }  

    

}    

myDemo.java

public void test(){

Caller demo = new Caller();

demo.setCallBack(new ICallInterface(){

@Override

public void callBack() {

// TODO Auto-generated method stub

xLog.d("call to what????");

}         

});

demo.call();

}