[英]Pull data from HealthKit for a specific time of day
I want to pull blood sugar data from lunchtime only (or just a specific time period from each day). 我只想从午餐时间(或每天的特定时间段)提取血糖数据。 I know how to query data from only the past 30 days etc. But is there a way to query only from a certain time period each day?
我知道如何仅查询过去30天内的数据。但是,有没有一种方法只能每天查询特定时间段的数据呢?
尝试这个
HKQuery.predicateForSamplesWithStartDate(past, endDate:pastAnotherdate, options: .None)
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