The easiest way here is to encrypt on the device and then decrypted, the origin of the code is a related example of the U disk data encryption to protect information hiding, to prevent privacy leaks.

这里最简单的方法就是对设备加密，然后再解密，本源代码就是一个与此相关的例子，对U盘数据加密，保护信息隐蔽，防止隐私泄露。

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Your privacy is protected. Location data is stored in your device. It is not transmitted nor shared with anyone.

保护您的隐私。位置信息将储存在您的手机上，不会传送或分享给任何人。

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Google has said data recorded by the device would be bound by its current privacy policy, meaning it could be collected in an anonymous way and the company would hold data about specific individuals only if they explicitly agree to it, the same as with smartphone-related data.

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Apple recently introduced a tool that lets developers anonymously track users, phasing out use of the old device ID that some privacy advocates said could be coupled with enough data to identify people.

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