android - Android GCM 上的 registeredOnServer 状态何时过期？

Question

我从 logcat 得到了一些调试消息，如下所示:

07-20 15:38:41.007: V/GCMRegistrar(9023): Setting registeredOnServer status as true until 2012-07-27 15:38:41.014

当我打电话

GCMRegistrar.setRegisteredOnServer(context, true);

不知道是什么意思？我应该在 2012-07-27 15:38:41.014 之后再次设置注册服务器吗？有必要吗？如果我应该再次调用 setRegisteredOnServer，我可以延长过期时间吗？我该怎么做？

感谢任何帮助，谢谢。

Answer 1

它在 javadoc 中有解释。参见 here了解详情。

public static boolean isRegisteredOnServer(Context context)

Checks whether the device was successfully registered in the server side, as set by setRegisteredOnServer(Context, boolean).

To avoid the scenario where the device sends the registration to the server but the server loses it, this flag has an expiration date, which is DEFAULT_ON_SERVER_LIFESPAN_MS by default (but can be changed by setRegisterOnServerLifespan(Context, long)).