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  1. PO
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    <p>Since you have custom button, the best solution is to change image of the button depending on the state of a checkbox you have (you mentioned that the idea is to create something like checkbox button).</p> <p>There is a method in UIButton class named "setImage:forState:". You can change the image inside the button using mentioned method. See more info <a href="http://developer.apple.com/library/ios/#DOCUMENTATION/UIKit/Reference/UIButton_Class/UIButton/UIButton.html" rel="nofollow">here</a></p> <p>Example how I see the code (you can see it another way):</p> <pre><code>// bool property @property (assign) BOOL isChecked; .... // custom button UIButton *theCheckboxButton = ; [theCheckboxButton setImage:[UIImage imageNamed:@"Unchecked"] forState:UIControlStateNormal]; [theCheckboxButton setImage:[UIImage imageNamed:@"Checked"] forState:UIControlStateSelected]; [theCheckboxButton addTarget:self action:@selector(checkBoxButtonAction:) forControlEvents: UIControlEventTouchUpInside]; ... // handler - (void)checkBoxButtonAction:(UIButton *)aCheckBox { self.isChecked = !self.isChecked; [aCheckBox setImage:[UIImage imageNamed:(self.isChecked ? @"Checked" : @"Unchecked")] forState:UIControlStateNormal]; [theCheckboxButton setImage:[UIImage imageNamed:(self.isChecked ? @"Unchecked" : @"Checked")] forState:UIControlStateSelected]; } </code></pre> <p><strong>EDIT:</strong></p> <pre><code>// images from not external resources @property (strong) UIImage *checkedImage; @property (strong) UIImage *uncheckedImage; // bool property @property (assign) BOOL isChecked; ... // custom button UIButton *theCheckboxButton = ; [theCheckboxButton setImage:self.uncheckedImage forState:UIControlStateNormal]; [theCheckboxButton setImage:self.checkedImage forState:UIControlStateSelected]; [theCheckboxButton addTarget:self action:@selector(checkBoxButtonAction:) forControlEvents: UIControlEventTouchUpInside]; ... // handler - (void)checkBoxButtonAction:(UIButton *)aCheckBox { self.isChecked = !self.isChecked; [aCheckBox setImage:self.isChecked ? self.checkedImage : self.uncheckedImage] forState:UIControlStateNormal]; [theCheckboxButton setImage:(self.isChecked ? self.uncheckedImage : self.checkedImage) forState:UIControlStateSelected]; } </code></pre>
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    1. POAdding an image over UIButton?
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    1. USDmitry Vodianyk
    1. USDmitry Vodianyk
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    1. COYour handler is not optimal.. There is no need again to set image for selected state.Only change the button state - selected | not selected.
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      1. USpbibergal
    2. COThanks but its not my case, as i have mentioned , see my edit on that ..
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      1. USbilanbila
    3. COSee edit version for not not external images.
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      1. USDmitry Vodianyk
 

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