4月13日，颤音在北京举办媒体开放日，来自颤音安全中心、直播、青少年模式、打工跳跃企业社会责任部的负责人，分别介绍了当前颤音平台青少年保护的现状。在活动现场，颤音发表了新的升级版青少年模式，介绍了《2020年
I know that I can forward message开发者_JAVA百科s to instances of a class using -forwardInvocation:. Can I do the same for messages sent to a class object (as in +forwardInvocation:)?Looks like I can.
I am running into an issue with the way my asynctasks are executed. Here\'s the problem code: firstTask = new background().new FirstTask(context);
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