세상을 비추는 태양

id path = @"url"; //image주소

NSURL *url = [NSURL URLWithString:path];

NSData *data = [NSData dataWithContentsOfURL:url];

UIImage *img = [[UIImage alloc] initWithData:data]; 

UIImageView *imageView = [[UIImageView alloc] initWithImage:img];

<UIActionSheetDelegate> 추가

//해당 ActionSheet를 생성하고자 하는 곳에 다음의 코드를 삽입

UIActionSheet *menu = [[UIActionSheet alloc] 

                                           initWithTitle: @"이것은 타이틀이지." 

                                           delegate:self

                                           cancelButtonTitle:@"Cancel"

                                           destructiveButtonTitle:@"Main"

                                           otherButtonTitles:@"테스트1", @"테스트2" nil];

                    [menu showInView:self.view];

{

printf("User Pressed Button %d\n", buttonIndex);

[actionSheet release];

(BOOL)connectedToNetwork  {
// Create zero addy
    struct sockaddr_in zeroAddress;
    bzero(&zeroAddress, sizeof(zeroAddress));
    zeroAddress.sin_len = sizeof(zeroAddress);
    zeroAddress.sin_family = AF_INET;
    // Recover reachability flags
    SCNetworkReachabilityRef defaultRouteReachability = SCNetworkReachabilityCreateWithAddress(NULL, (struct sockaddr*)&zeroAddress);
    SCNetworkReachabilityFlags flags;
    BOOL didRetrieveFlags = SCNetworkReachabilityGetFlags(defaultRouteReachability, &flags);
    CFRelease(defaultRouteReachability);
    if (!didRetrieveFlags)
    {
        NSLog(@"Error. Could not recover network reachability flags");
        return 0;
    }
    BOOL isReachable = flags & kSCNetworkFlagsReachable;
    BOOL needsConnection = flags & kSCNetworkFlagsConnectionRequired;

(BOOL) pingServer

{

    NSURL *url = [NSURL URLWithString:@"http://some-url-that-has-to-work/"];

    NSURLRequest *request = [NSMutableURLRequest requestWithURL:url];

    NSHTTPURLResponse *response = nil;

    [NSURLConnection sendSynchronousRequest:request

        returningResponse:&response error:NULL];

    return (response != nil);

}