지원 중단됨
[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["필요한 정보가 없음","missingTheInformationINeed","thumb-down"],["너무 복잡함/단계 수가 너무 많음","tooComplicatedTooManySteps","thumb-down"],["오래됨","outOfDate","thumb-down"],["번역 문제","translationIssue","thumb-down"],["샘플/코드 문제","samplesCodeIssue","thumb-down"],["기타","otherDown","thumb-down"]],[],[],["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"]]