已弃用
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[[["C2DM is officially deprecated and was shut down completely as of July 30, 2015."],["Existing C2DM developers should migrate to Firebase Cloud Messaging (FCM)."]]],["C2DM was deprecated on June 26, 2012, and shut down on July 30, 2015. Developers who were using C2DM should migrate their applications to Firebase Cloud Messaging (FCM). The shutdown of C2DM marked the end of its service, while FCM is the current suggested replacement for developers to use.\n"]]