问当应用程序在iphone中处于后台10分钟时，是否可以自动注销用户？

EN

- (void)applicationDidEnterBackground:(UIApplication *)application {
    self.backgroundedDate = [NSDate date];
}

- (void)applicationWillEnterForeground:(UIApplication *)application {   
    if (self.backgroundedDate) {
        BOOL isTimedout =[self.backgroundedDate timeIntervalSinceNow] <= -(10 * 60);
        if (isTimedout) {
            [yourApiClass logou];
        }
    }
}

static dispatch_once_t once;
dispatch_once(&once, ^ {
NSLog(@"Do it once");
self.backgroundedDate = [NSDate date];
});

- (void)applicationWillEnterForeground:(UIApplication *)application {
if (self.backgroundedDate) {    
NSLog(@"Forground %@",[NSDate date]);    
BOOL isTimedout = [self.backgroundedDate timeIntervalSinceNow] <= -(5 * 60);
if (isTimedout) {
//Do your work
}
}
}