Failed attempts to unlock my device

Alfred, Please note that this Community deals mainly with the technical queries regarding AVG Windows products. AVG Android support is provided through email only. Please click on the following link (http://avgclick.me/AVGtechnical) and fill out your details, select as Android then the name of AVG Program that you installed in your mobile and in description please completely explain about your issue and finally click on Email option. Also when filling out your details choose Yes for the Question "Are you currently using any paid/trial AVG products?" and click on Email option. The AVG mobile team will reply back to you via email with a resolution.
AVG Guru

I am getting this message:

Someone is trying to get into your samsung SAMSUNG-SM-G900A device!

AVG Anti-Theft recorded 3 failed attempts to unlock your device, so we thought you should know about it.

Attached is a photo of the intruder and here's where it happened:

But i got my phone here with me so i dont understand what is going on.
 tell me please. 

Alfred, Please note that this Community deals mainly with the technical queries regarding AVG Windows products. AVG Android support is provided through email only. Please click on the following link (http://avgclick.me/AVGtechnical) and fill out your details, select as Android then the name of AVG Program that you installed in your mobile and in description please completely explain about your issue and finally click on Email option. Also when filling out your details choose Yes for the Question "Are you currently using any paid/trial AVG products?" and click on Email option. The AVG mobile team will reply back to you via email with a resolution.
AVG Guru