Register application in iOS as default pdf opener [duplicate]

Question

This question already has answers here:

How do I associate file types with an iPhone application? (4 answers)

Closed 8 years ago.

Hi I am developing an application which could share pdf files, I need to register my app to default pdf opener/distributor(sender) But I am not able to do that and I can not find that. I have read the movieStream example from apple, but I can not find the solution.

the question is similar as I questioned for android here

Answer 1

Read: How do I associate file types with an iPhone application?

Tutorial: Associate a File Type with your App