[feature request] block screenshots

[revuwa]

Hy there, and thanks a lot for your app and your enthusiasm.

My first test on trying your great app was, what happens if I view a password and simply leave the app. The result was, that I could read my password over the screenshot (inside the recent apps screen), even after a device reboot. So I though it would be great, if you could add the same functionality as the open source SMS/MMS app Silence already has: the menu-point is called "screen security" and blocks screenshots in the recents list and inside the app itself.

Thanks in advance for any response and have a great time!

[SpongeBobSun]

Oh, didn't notice that . I'll fix that soon. Thanks for your advise!