我如何从互联网上保存照片？

Question

嗨我在那个应用程序创建了1个应用程序我从flickr使用json获取照片并查看这些照片作为缩略图和幻灯片，如果假设用户想要保存一些照片flickr那些如何做我只是通过NSDefaultManager BT这么想的工作，

- (IBAction)saveImage 
    { 
     NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,  NSUserDomainMask, YES); 
     NSString *documentsDirectory = [paths objectAtIndex:0]; 
     NSString *savedImagePath = [documentsDirectory  stringByAppendingPathComponent: @"savedImage.png"]; 
     [imageData writeToFile:savedImagePath atomically:NO]; 
    } 

Answer 1

 try this code for the same//. 


NSString *videoDocPath1 = [[NSString alloc] initWithString:[[[[NSBundle mainBundle] resourcePath] stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"Documents"]]; 
NSString *videofilePath1; 
videofilePath1 = [videoDocPath1 stringByAppendingPathComponent:[NSString stringWithFormat:@"screensever.mp4"]]; 
[ScreenseverVideo writeToFile:videofilePath1 atomically:YES];