{"blog_title":"\u30ab\u30eb\u30dc\u30ca\u30fc\u30e9\u8857\u9053","image_url":null,"provider_name":"Hatena Blog","author_name":"tokizuoh","title":"HealthKit\u3067cycling\u306e\u6642\u901f\u306f\u76f4\u63a5\u53d6\u5f97\u3067\u304d\u306a\u3044\u305e\uff01","author_url":"https://blog.hatena.ne.jp/tokizuoh/","categories":["Swift","iOS"],"url":"https://tokizuoh.hatenablog.com/entry/2022/05/18/004705","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftokizuoh.hatenablog.com%2Fentry%2F2022%2F05%2F18%2F004705\" title=\"HealthKit\u3067cycling\u306e\u6642\u901f\u306f\u76f4\u63a5\u53d6\u5f97\u3067\u304d\u306a\u3044\u305e\uff01 - \u30ab\u30eb\u30dc\u30ca\u30fc\u30e9\u8857\u9053\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","width":"100%","published":"2022-05-18 00:47:05","version":"1.0","height":"190","type":"rich","blog_url":"https://tokizuoh.hatenablog.com/","description":"\u7d50\u8ad6 HealthKit\u7d4c\u7531\u3067\u53d6\u5f97\u3057\u305f\u30ef\u30fc\u30af\u30a2\u30a6\u30c8\uff08HKWorkout\uff09 \u304b\u3089\u6642\u901f\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001 totalDistance(HKQuantity) \u3068 duration(TimeInterval) \u3092\u4f7f\u3063\u3066\u7b97\u51fa\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002 let distance = workout.totalDistance!.kilometers() let averageSpeed = distance / ((Double)(Int(timeInterval)) / 3600) extension HKQuantity { func kilometers() -> Double { return self.d\u2026"}