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POxcode iphone save reference to UIButtons in NSMutableArray
 

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  1. POxcode iphone save reference to UIButtons in NSMutableArray
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    <p>I have a ViewController with many .xib-Files (UIViews) and lots of UIButtons. So the idea is to save them in an Array[ViewID][ButtonID] to easy access them using counters, numbers etc.</p> <pre><code>***ViewController.h IBOutlet UIButton *button0101; IBOutlet UIButton *button0102; IBOutlet UIButton *button0103; IBOutlet UIButton *button0201; ... NSMutableArray *buttonsArray; ... @property (nonatomic, retain) IBOutlet UIButton *button0101; @property (nonatomic, retain) IBOutlet UIButton *button0102; @property (nonatomic, retain) IBOutlet UIButton *button0103; @property (nonatomic, retain) IBOutlet UIButton *button0201; ... @property (nonatomic, retain) NSMutableArray *buttonsArray; ***ViewController.m @synthesize allThoseButtons/Arrays; ... -(void)viewDidLoad { self.buttonsArray = [[NSMutableArray alloc] init]; NSMutableArray *helpArray = [[NSMutableArray alloc] init]; [helpArray addObject:self.button0101]; [helpArray addObject:self.button0102]; [helpArray addObject:self.button0103]; [self.buttonsArray addObject:helpArray]; [helpArray removeAllObjects]; [helpArray addObject:self.button0201]; ... [self.buttonsArray addObject:helpArray]; [helpArray removeAllObjects]; ... </code></pre> <p>I can access the array, I can output the correct predefined titles of the buttons etc, but I can not change the buttons (i.e. backgroundimage, titleLabel etc) while accessing them using the buttonsArray.</p> <pre><code>-(IBAction)pushButton:(id)sender { //this does work [(UIButton *)sender setTitle:@"Test" forState:UIControlStateNormal]; //this has no effect at all (even if I have chosen the correct button in the array, I can check that using the predefined tag and title) [(UIButton *)[helpButtons objectAtIndex:index2] setTitle:@"Test" forState:UIControlStateNormal]; } </code></pre> <p>It seems as if the reference saved in the NSMutableArray is not the same as in InterfaceBuilder but a new object. If I output the object with NSLog directly, I can even see another memory-ID. But what did I do wrong? How can I save the real reference in an Array to access those buttons?</p> <p>Thanks and regards, Pat</p>
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    1. PTQuestion
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    1. UScrimi
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    1. COyou should use [self.buttonsArray addObjectsFromArray:helpArray]; are you sure the count is correct after copying the Array items? and why you are using helpArray?
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      1. POxcode iphone save reference to UIButtons in NSMutableArray
      1. USAhmad Kayyali
    2. COwell but I don't like to add all buttons in one array itself, I like to add many arrays in one array. the idea is, to have access to each button and each view. at the ende I access the buttons via self.buttonsArray[viewID][buttonID] and therefore I really need to add a single array of buttons for each view.
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      1. POxcode iphone save reference to UIButtons in NSMutableArray
      1. UScrimi
 

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