忽略Apple Health应用程序中的手动条目作为数据源

问题描述

限时删除！！

您好我正在编写一个健身应用程序，它可以从Apples Health应用程序中获取数据。

Hi I'm writing a Fitness App which gets its Data from Apples Health app.

到目前为止一切顺利。

问题：在Health应用程序中，可以手动创建可以作弊的数据条目。

Problem: in Health app it is possible to make manually data entries which makes it possible to cheat.

问题：如何排除或忽略此特定内容数据条目。

Question: how can i exclude or ignore this specific Data Entries.

推荐答案

样本中由用户手动输入的HealthKit将具有 HKMetadataKeyWasUserEntered 元数据键的YES值。要创建仅匹配非用户输入的样本的谓词，您可以使用以下内容：

Samples in HealthKit that were manually entered by the user will have have a YES value for the HKMetadataKeyWasUserEntered metadata key. To create a predicate that matches only samples that were not user-entered, you could do use the following:

[NSPredicate predicateWithFormat:@"metadata.%K != YES", HKMetadataKeyWasUserEntered];

请注意，这必须表示为 value！= YES 因为键的值可以是YES，NO或nil，nil表示NO。

Note that this must be formulated as value != YES because the value for the key could be YES, NO, or nil and nil implies NO.

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