title: [UITapGestureRecognizer tag]: unrecognized selector sent to instance
body: <p>I am having a series of <code>imageview</code> arranged, and assigning a <code>TapView</code> recognizer to it</p>
  
  <pre><code>UITapGestureRecognizer *tapRecognizer = [[UITapGestureRecognizer alloc]
                                           initWithTarget:self action:@selector(action:)];
  [tapRecognizer setNumberOfTouchesRequired:1];
  [tapRecognizer setDelegate:self];
  imageView.userInteractionEnabled = YES;
  [imageView addGestureRecognizer:tapRecognizer];
  </code></pre>
  
  <p>and I have defined the selector as:</p>
  
  <pre><code>-(void) action:(id)sender
    {
      NSLog(@"TESTING TAP");
      NSLog (@"%d",[sender tag]);
    }
  </code></pre>
  
  <p>This is getting Crashed and i am getting Error message as:-</p>
  
  <p><code>[UITapGestureRecognizer tag]: unrecognized selector sent to instance 0x145d0210</code></p>