private static HttpTask sHttpTask;
public static HttpTask getInstance () {
if (sHttpTask == null) {
synchronized (HttpTask.class) {
if (sHttpTask == null) {
sHttpTask = new HttpTask();
}
}
}
return sHttpTask;
public static HttpTask getInstance () {
if (sHttpTask == null) {
synchronized (HttpTask.class) {
if (sHttpTask == null) {
sHttpTask = new HttpTask();
}
}
}
return sHttpTask;
}
留作备用