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POswitching ViewController in AppDelegate - doesn´t show up
 

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  1. POswitching ViewController in AppDelegate - doesn´t show up
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    <p>stuck at this, seeking advice.</p> <p>What i did and my Project: i make a book for children. Every page is a custom ViewController. On every Page i have a button for next and previous Page. I use the AppDelegate to load the ViewControllers. My AppDelgate starts with the ViewController1 and when i Press the Button/swipe in ViewController1 it should Load the ViewController2 but nothing happens. </p> <p>My Code in AppDelegate: </p> <pre><code>self.view1 = [ViewController1 alloc]; [window addSubview:view1.view]; [window makeKeyAndVisible]; - (void)goToNextPage { view2 = [ViewController2 alloc]; UIView *current = self.window; [self.window addSubview:view2.view]; CATransition *animationT = [CATransition animation]; [animationT setDuration:0.5]; [animationT setType:kCATransitionMoveIn]; [animationT setSubtype:kCATransitionFromRight]; [animationT setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]]; [[current layer] addAnimation:animationT forKey:@"SwitchToView1"]; NSLog(@"works2"); } </code></pre> <p>Here my <strong>ViewController1</strong>:</p> <pre><code>- (void)addButtonNext { UISwipeGestureRecognizer *swipeGesture = [[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector (buttonClicked:)] autorelease]; swipeGesture.numberOfTouchesRequired = 1; swipeGesture.direction = (UISwipeGestureRecognizerDirectionLeft); [self.view addGestureRecognizer:swipeGesture]; NSLog(@"works0"); } - (void)buttonClicked:(id)sender { NSLog(@"works1"); AppDelegate* next = [AppDelegate alloc]; [next goToNextPage]; } </code></pre> <p>My Console says <code>works0 works1 works2</code>. Any idea?</p> <p>Thanks in advance</p>
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    1. COI think you should take a look in the allocation/initialisation chapter in Apple's Objective-C guide first. It seems, like you haven't understood well these very fundamental concepts. You always never call alloc without a related init method.
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    2. COwith solution of farajnew it works. thanks for you time. i will read it now.
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