How to insert the reader into the application?

Question

Electronic books

Please, tell me the options for solving the following question.
It is necessary to insert a normal reader into the application.
That is, an application is being developed for iOS, Android and can be under Windows Phone, among other functionality, through it you can read certain text in a convenient way, with the ability to page through, bookmark and change the font size.
The file of the book itself is loaded from the server, or it is immediately sewn up in the application, that is, the user does not need the ability to download and upload book files.
Essentially like an electronic version of the magazine, but with additional features.
What are the services that allow you to embed such functionality in the application?
Or maybe there are suitable libraries that can be used for this?

Answer 1

You can call up a dialog for choosing an application suitable for opening a text (or whatever format) file and the user himself will choose how it is convenient for him to read it, but in this case there is a risk of "leaking" the document, if this is not critical for this particular case, then it is better to do just that , because there is no "perfect" reader, someone likes one thing, another another