How to block screenshot using JS on Mobile iOS/Android?

Question

I'm trying to stop the screenshot event on mobile using JavaScript, because on PC is easier, I used only the event keyCode == 44 to stop.

Thanks a lot.

You can't. You can't do it on PC either. There's too many different ways to take pictures of the screen, including literally taking a picture of the screen. Even if you did implement something using JS, it could just be disabled using the console. — Carcigenicate, Dec 18 '17 at 13:15
Heh. You didn't block anything on the PC. It's trivial to go around whatever blocks you try to implement. — JJJ, Dec 18 '17 at 13:15
Possible duplicate of [How do I prevent an Android device from a taking a screenshot of my webpage?](https://stackoverflow.com/questions/31099410/how-do-i-prevent-an-android-device-from-a-taking-a-screenshot-of-my-webpage) — JJJ, Dec 18 '17 at 13:21

score 1 · Answer 1 · answered Dec 18 '17 at 13:18

1

This is not possible, hence screenshot thing is iOS native features and independent to any app, you can not stop taking screenshot by coding for app.

answered Dec 18 '17 at 13:18

Abhishek Mitra

score 0 · Accepted Answer · answered Dec 18 '17 at 13:29

You can prevent user from taking screenshots with Flags in Android

getWindow().setFlags(LayoutParams.FLAG_SECURE, LayoutParams.FLAG_SECURE);

There is another solution for IOS devices where you can prevent taking screenshots programatically but I don't think there is a solution with JS.

EDIT: Those solutions for the applications not for a website!

2 Answers2