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PODynamically Add a UIView to another
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  1. PODynamically Add a UIView to another
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    copied!<p>I am new to IOS, Xcode and MVC. I am on a steep learning curve and am failing with what I assume is a most basic task.</p> <p>I have a tabbed application with two tabs. Both tab views communicate with a web service and I want to add an image to each tab view, changing the image to indicate the connection state. </p> <p>So, I created a third .xib file with a controller class (IconViewController). I am hoping to add and remove an instance of this icon view in each of the tab views. </p> <p>Here is the pseudo code for my icon view:</p> <pre><code>@interface IconViewController : UIViewController { UIImageView *_icon; } @property (nonatomic) IBOutlet UIImageView *icon; - (void)setForBusy; - (void)setForOk; - (void)setForFail; </code></pre> <p>And implementation:</p> <pre><code>@implementation IconViewController @synthesize icon = _icon; -(void)setForBusy { // Set Busy Icon Image } -(void)setForOk { // Set Ok Icon Image } -(void)setForFail { // Set Fail Icon Image } </code></pre> <p>The icon IBOutlet is connected to an UIImageView on the accompanying xib file.</p> <p>Here is one of the root tab controllers:</p> <pre><code>#import "IconViewController.h" @interface TaboneViewController : UIViewController { IconViewController *_iconViewController; } @property (nonatomic) IBOutlet IconViewController *iconViewController; </code></pre> <p>and implementation:</p> <pre><code>@synthesize iconViewController = _iconViewController; - (void)viewDidLoad { [super viewDidLoad]; self.iconViewController = [[IconViewController alloc] initWithNibName:@"iconViewController" bundle:nil]; [self.view addSubview:self.iconViewController.view]; } </code></pre> <p>In the tabView xib Interface Builder I added an Object and made it a class type <em>IconViewController</em>. I connected the <strong>Icon View Controller Object->Reference Outlet</strong> to the <strong>File Owner->iconViewController Outlet</strong>.</p> <p>Running the project I get the error:<br> <strong>loaded the "iconViewController" nib but the view outlet was not set.</strong></p> <p>I have experimented with other connections but with no luck. It seems to me that my first connection should work but it doesn't. </p> <p>Any idea what I am misunderstanding? Is the principle good (loading an instance of third view into two root views)? If so, what outlet needs connecting?</p> <p>Many thanks, Polly</p>
 

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