If you’re displaying images from the main iOS bundle, things are fairly straightforward: self.imageView.image = [UIImage imageNamed:@”Amy.png”]; But if you have an NSURL to your image then it’s not as easy. It took me some digging to find out that you have to convert the URL into NSData first, and then display the data: NSData […]
The UIImagePickerController can help us do this with ease. In this example we’ll instantiate it, then we tell it what kind of image we want returned (we’re using an edited version here, but we could just as well return the original, or start using a camera). Next we present a modal view controller where the […]
// first we get the path to our image NSString *imagePath = [NSHomeDirectory() stringByAppendingPathComponent:@”Documents/myImage.jpg”]; // now we can load and display the file like this self.myPicture.image = [UIImage imageWithContentsOfFile:imagePath];
// let’s save our image as a JPG NSData *imageData = UIImageJPEGRepresentation(chosenImage, 1); // get our home directory and add the save path and file name NSString *imagePath = [NSHomeDirectory() stringByAppendingPathComponent:@”Documents/myImage.jpg”]; // then write the file to disk [imageData writeToFile:imagePath atomically:YES];
