Set background Image for a Custom UIView

I am developing a paint application using OpenGL.

I am using "CUSTOM UIView" for drawing on a screen and another UIImageView to set background image to it. Have a look at screenshot to understand it clearly.. My problem is I am not able to set background image on either of the view.. I have to use different textures as a drawing board on which I have to Paint. Can anyone suggest what is incorrect in this approach??

I have used this code for custom UIView but not getting success.. but it shows white default background only..

- (id)initWithCoder:(NSCoder*)coder {
    UIColor *background = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"Rough_White_Paper_with_tape.png"]];
    self.backgroundColor = background;
    [background release]; 开发者_JAVA技巧    
}

---

NSURL *imgUrl=[[NSURL alloc] initWithString:@"http://img835.imageshack.us/img835/9794/screenshot20110802at345.png"];
NSData *imgData = [NSData dataWithContentsOfURL:imgUrl];
UIImage *img = [UIImage imageWithData:imgData];

imageView = [[UIImageView alloc] initWithImage:img];

[self addSubview:imageView ];
[self sendSubviewToBack:imageView ];

[imageView release]; [imgUrl release];

---

use this

self.view.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"Default"]];

---

- (id)initWithCoder:(NSCoder *)coder {
    self = [super initWithCoder:coder];
    if (self) {
        UIColor *background = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"Rough_White_Paper_with_tape.png"]];
        self.backgroundColor = background;
        [background release];
    }
    return self;
}

You just had to add return self; It works perfectly fine for me...

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Try this:

UIImageView *background = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Rough_White_Paper_with_tape.png"]];
[self addSubview:background];
[self sendSubviewToBack:background];
[background release];

---

Try this:

 UIImageView *myImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed :@“abc.png"]];
 UIView *myUIView = [[UIImageView alloc] initWithFrame :CGRectMake(10,10,250,250)];
 myUIView = myImageView;

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set background with UIImageView is not graceful。 should use following API:

self.view.backgroundColor = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"whiteBackground.png"]];

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this is in swift 2

var background = UIImageView(image: UIImage(named: "image.jpg"))
self.addSubview(background)
self.sendSubviewToBack(background)

---

Use this

self.view.backgroundColor = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"image.png"]];