Check full access for custom keyboard extension

Question

I need to check full access for custom keyboard extension. I found this link.

How to check the "Allow Full Access" is enabled in iOS 8?

It say we c

Answer 1

+(bool)fullAccessAccessible{
    NSUserDefaults *myDefaults = [[NSUserDefaults alloc]
                              initWithSuiteName:APP_GROUP_NAME];
    NSString* test_key = @"extension test full access";
    [myDefaults setBool:TRUE forKey:test_key];
    BOOL res = [myDefaults boolForKey:test_key];
    return res == TRUE;//set and get compare
}