From the course: iOS Development: Security
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Overriding the file protection level programmatically - iOS Tutorial
From the course: iOS Development: Security
Overriding the file protection level programmatically
- [Narrator] Now, what if we need a different protection level for a particular file? We can do that programmatically. I am going to switch to the view controller. We're going to implement the (unintelligible) method that stores a string to a file using the data protection capabilities. So let's create a private method. I'm going to call it secure save. The first parameter is the text we want to save. It's a type string. We also need a file URL. Of type URL. And let's return a boolean to indicate the result of the execution. I start the implementation by converting the text to data. I use conditional binding since the string's data instance method may return null. Guard let data equals text dot data. And we'll use our UTF 8 coding. If the method returns null, we exit the method by returning false. The data type has a right method that lets us provide options for writing data objects. These options can also include content protection attributes. It's this second one. Now, this method…
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