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POadding a button in an UIView
 

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  1. POadding a button in an UIView
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    <p>I'm trying to add a button to a UIview, to cover the whole area of the view.. like this:</p> <pre><code>-(MBNHomeScreenButton*) initWithImage:(UIImage*)image andHighlightedImage:(UIImage*)highlightedImage andTitle:(NSString*)aTitle withSelector:(SEL)actionButton forDelegate:(UIViewController*)viewController{ self = [super init]; if (self) { self.frame = CGRectMake(0, 0, 100, 120); self.imageView = [[UIImageView alloc] initWithImage:image highlightedImage:highlightedImage]; self.imageView.center = self.center; self.imageView.frame = CGRectMake(10, 0, HS_BUTTON_IMAGE_WIDTH, HS_BUTTON_IMAGE_HEIGHT); self.imageView.contentMode = UIViewContentModeScaleAspectFit; self.imageView.highlighted = NO; [self addSubview:self.imageView]; self.title = [[UILabel alloc] initWithFrame:CGRectMake(0, HS_BUTTON_IMAGE_HEIGHT, HS_BUTTON_IMAGE_WIDTH + 20, 30)]; self.title.text = aTitle; self.title.textAlignment = UITextAlignmentCenter; self.title.textColor = [UIColor whiteColor]; self.title.backgroundColor = [UIColor clearColor]; [self addSubview:self.title]; // This creates a transparent button over the view UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom]; //button.backgroundColor = [UIColor redColor]; [button setFrame:self.frame]; [button addTarget:viewController action:actionButton forControlEvents:UIControlEventTouchUpInside]; [self addSubview: button]; } return self;} </code></pre> <p>In the ViewController I create the View like this:</p> <pre><code>m_newsHSButton = [[MBNHomeScreenButton alloc] initWithImage:[UIImage imageNamed:NEWS_SHADED_IMAGE] andHighlightedImage:[UIImage imageNamed:NEWS_HIGHLIGHTED_IMAGE] andTitle:@"News" withSelector:@selector(newsButtonPressed) forDelegate:self]; m_newsHSButton.center = CGPointMake(m_backgroundView.frame.size.width / 4, m_backgroundView.frame.size.height / 4); [backgroundImgView addSubview:m_newsHSButton]; </code></pre> <p>Still... the newsButtonPressed doesn't get called.</p> <p>Can you help? Thanks!</p> <p>==================== [edit] Ok... figured it out.. Thanks guys. It was the fact that I was trying to add the view as a subview to a UIImageView with the last line:</p> <pre><code>[backgroundImgView addSubview:m_newsHSButton]; </code></pre> <p>Apparently, it won't get touches anymore.</p> <p>Thanks for the effort guys!</p>
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    1. COCan you show your method newsButtonPressed? I just tried your code with simple ViewController project and it is working fine. Can you confirm that it has the correct signature: - (void) newsButtonPressed.
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    2. COThere are lots of possibilities, check out [this question/answer](http://stackoverflow.com/q/1731377/154803). Also I seem to recall that anything transparent (<0.1 alpha) does not get touches passed to it, so instead of clear try `[UIColor colorWithWhite:0.5 alpha:0.11]`
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    3. COWhat's the value of `viewController` when you do `addTarget`? Could it be you need to use `self.viewController`?
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