not working after FilePicker.Default.PickAsync

[vahidsoufi]

hi, i have an issue

ScreenSecurity.Default.ActivateScreenSecurityProtection();
var result = await FilePicker.Default.PickAsync(options);

this code works for me.

but

var result = await FilePicker.Default.PickAsync(options);
ScreenSecurity.Default.ActivateScreenSecurityProtection();

screen security will not activate after await FilePicker.Default.PickAsync.

can u help me? everything is ok on windows. my problem is on android

i want to activate screen security on some file types not for all of them.