TestObServernotice.java
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package com.huaheng.wms.facedete;
import android.graphics.Bitmap;
import java.util.ArrayList;
import java.util.List;
/**
* 作者:created by meixi
* 邮箱:13164716840@163.com
* 日期:2018/8/29 16
*/
public class TestObServernotice implements Subject {
private static Subject subject;
private List<Observer> observers = new ArrayList<>();
private TestObServernotice() {
// TODO Auto-generated constructor stub
}
public static Subject getInstance() {
if (null == subject) {
synchronized (TestObServernotice.class) {
if (null == subject)
subject = new TestObServernotice();
}
}
return subject;
}
@Override
public void addObserver(Observer observer) {
// TODO Auto-generated method stub
observers.add(observer);
}
@Override
public boolean removeObserver(Observer observer) {
// TODO Auto-generated method stub
return observers.remove(observer);
}
@Override
public void notifyObserver(int id,Bitmap param) {
// TODO Auto-generated method stub
for (Observer observer : observers) {
observer.update(id,param);
}
}
}