public interface LogObserver {
void printLog(LogBean log);
}public interface LogObserverable {
void registerObserver(LogObserver o);
void removeObserver(LogObserver o);
void notifyObserver(LogBean obj);
}public class Plog implements LogObserverable{
private static Plog plog;
public synchronized static Plog getInstance(Context context) {
if (plog == null) {
synchronized (Plog.class){
if(plog==null){
plog = new Plog(context);
}
}
}
return plog;
}
private Context context;
public Plog(Context context) {
this.context=context.getApplicationContext();
}
public void print(String TAG, String log){
Log.v(TAG,log);
LogBean bean=new LogBean();
bean.log=log;
notifyObserver(bean);
}
private List<LogObserver> observerList=new ArrayList<>();
@Override
public void registerObserver(LogObserver o) {
observerList.add(o);
}
@Override
public void removeObserver(LogObserver o) {
observerList.remove(o);
}
@Override
public void notifyObserver(LogBean log) {
for(int i=0;i<observerList.size();i++){
LogObserver logObserver=observerList.get(i);
logObserver.printLog(log);
}
}
}public class LogBean {
String log;
public String getLog() {
return log;
}
public void setLog(String log) {
this.log = log;
}
}
转载于:https://my.oschina.net/wfy94/blog/3028479
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