블로가 되어 날아보자

//Create file for the source File input = new File("c:\\30999398h.gif"); //Read the file to a BufferedImage BufferedImage image = ImageIO.read(input); try { //BufferedImage bi = getMyImage(); // retrieve image File outputfile = new File("c:\\saved.jpg"); ImageIO.write(image, "jpg", outputfile); } catch (IOException e) { }

//파일 다운로드 - (IBAction) downloadZipFile { NSURLRequest *theRequest=[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://api.do"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0]; // create the connection with the request // and start loading the data NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; if (theConnection) { //..

라이브러리. http://code.google.com/p/objective-zip/ //압축하는 법. - (IBAction) doZip { NSArray *pa = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *filepath2 = [pa objectAtIndex:0]; NSString *filePath = [filepath2 stringByAppendingPathComponent:@"write.zip"]; ZipFile *zipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeCreate]; ZipWriteStream *s..

> @interface CustomObject : NSObject { id target; SEL selector; } - (void)setDelegate:(id)aTarget selector:(SEL)aSelector; - (void)setDelegate:(id)aTarget selector:(SEL)aSelector { self.target = aTarget; self.selector = aSelector; } // 콜백 메소드를 호출함 if(target) { [target performSelector:selector withObject:result_obj]; } ... > [custom_obj setDelegate:self Selector:@selector(CallBackMethod:)]; - (vo..

UIInterfaceOrientation orientation = [[UIDevice currentDevice] orientation]; if(!UIDeviceOrientationIsLandscape(orientation)) { //가로모드. }else { //세로모드. }

CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:0.5]; [self.reply_arrow layer].transform = CATransform3DMakeRotation(3.14 * 1, 0, 0, 1);//화살표 그림이 돌아갑니다. [UIView commitAnimations];

UISwipeGestureRecognizer *swipeLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeLeftAction:)]; swipeLeft.direction = UISwipeGestureRecognizerDirectionLeft; swipeLeft.numberOfTouchesRequired = 1; swipeLeft.delegate = self; [self.view addGestureRecognizer:swipeLeft];

CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:1.0]; UIView *whiteBackdrop = self.pageView; NSArray *array = [self.pageView subviews]; // Choose up or down curl [UIView setAnimationTransition: UIViewAnimationTransitionCurlUp forView:whiteBackdrop cache:YES];..

ViewController *vc; vc = (ViewController*)[btn.superview nextResponder]; vc = (ViewController*)[view.superview nextResponder]; nextResponderReturns the receiver'€™s next responder, or nil if it has none. - (UIResponder *)nextResponder Return ValueThe next object in the responder chain to be presented with an event for handling. DiscussionThe UIResponder class does not store or set the next respo..

if([activity isKindOfClass:[classA class]]) { NSLog(@"class A입니다."); } else if([activity isKindOfClass:[classB class]]) { NSLog(@"classB입니다."); }