iOS ImageView by file or url

ImageViewExample.m

// imgV1 is a UIImageView

-(IBAction)addImageView:(id)sender
{
	NSLog(@"add image from repo");
	if(imgV1==nil)
	{
	  //just @"name" for png , other: @"name.extension" 
	  
		UIImage* img = [UIImage imageNamed:@"image.jpg"];
		imgV1 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width,self.view.frame.size.height)];

		
		//imgV1.contentMode = UIViewContentModeScaleAspectFill;
		//imgV1.contentMode = UIViewContentModeScaleToFill;
		//imgV1.contentMode = UIViewContentModeScaleAspectFill;
		imgV1.contentMode = UIViewContentModeScaleAspectFit;
		imgV1.image = img;
		[self.view addSubview:imgV1];

	}

}

-(IBAction)addUrlImageView:(id)sender
{
	NSLog(@"add image from repo");
	if(imgV1!=nil)
	{
		NSURL* imgUrl = [NSURL URLWithString:@"http://www.rockers.es/Portals/12/img/6136_1280x1024.jpg"];
		NSData* data = [[NSData alloc] initWithContentsOfURL:imgUrl];
		UIImage* img = [UIImage imageWithData:data];
		
		imgV1.image=img;

		
	}
}