WebPImageView *imgView = [[WebPImageView alloc] initWithFrame:CGRectMake(0, 30, 300, 300)];
[self.view addSubview:imgView];
imgView.url = [NSURL URLWithString:@"https://yourUrl/[email protected]"];

//load from disk
//NSString *path = [[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent:@"randomImage.webp"];
//imgView.url = [NSURL fileURLWithPath:path];

//add the loading View.
WebPLoadingView *loadingView = [[WebPLoadingView alloc] init];
loadingView.lineColor = [UIColor orangeColor];
loadingView.lineWidth = 8;
//add the loading view to the imageView.
imgView.loadingView = loadingView;
//if you want to add some inset on the image.
CGFloat pad = 20;
imgView.loadingInset = UIEdgeInsetsMake(pad, pad, pad*2, pad*2);