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POproperty implementation must have its declaration in interface error
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  1. POproperty implementation must have its declaration in interface error
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    copied!<p>"property implementation must have its declaration in interface" error</p> <p>I have this error coming up and I am new to xcode so I am unsure what to do. </p> <p>I had lots of code in a class, then i moved it to a different class and now I have numerous errors. Which dont make sense, as everything looks as it should.</p> <pre><code>#import "ViewController.h" @interface ViewController () @end @implementation ViewController @synthesize MenuScreenButton; @synthesize HowToPlayButton; - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } -(IBAction)HowToPlayButtonPressed:(id)sender { HowToPlayViewController *HowToPlayView=[[HowToPlayViewController alloc]initWithNibName:nil bundle:nil]; HowToPlayView.modalTransitionStyle=UIModalTransitionStyleFlipHorizontal; [self presentViewController:HowToPlayView animated:YES completion:NULL]; } -(IBAction)MenuScreenButtonPressed:(id)sender { MenuScreen *MenuScreenView=[[MenuScreen alloc]initWithNibName:nil bundle:nil]; MenuScreenView.modalTransitionStyle=UIModalTransitionStyleFlipHorizontal; [self presentViewController:MenuScreenView animated:YES completion:NULL]; } @end </code></pre> <p>Below is the .h file:</p> <pre><code>#import &lt;UIKit/UIKit.h&gt; #import "HowToPlayViewController.h" #import "MenuScreen.h" @interface ViewController : UIViewController { IBOutlet UIButton *HowToPlayButton; IBOutlet UIButton *MenuScreenButton; } @property(retain,nonatomic) IBOutlet UIButton *MenuScreenButton; @property(retain,nonatomic) IBOutlet UIButton *HowToPlayButton; -(IBAction)HowToPlayButtonPressed:(id)sender; -(IBAction)MenuScreenButtonPressed:(id)sender; @end </code></pre>
 

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