For example Netflix doesn’t allow to take screenshots, and in discord if you try to screen share the window is black.
I’m sure that other sites do it as well.
In: Technology
When you develop and app whatever tools you decide to use to develop it you’re bounded to use the provided features an OS provides. One of the features you get access when you develop an app is “events” which occur while an user is using your app. These are “Oh, user clicked <this button>”, or “User just <typed this>”. One of those events is “User just took screenshot”. When that happens you as a coder/developer can decide in your code what to do. You can leave the default behavior which would be taking the screenshot, or decide to do something else. Many apps, especially apps that manage important data such as banking apps (also intellectual property apps such as Netflix) disable screenshots in order to secure the data they use within their apps.
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