ECSlidingViewController problems with topview animation - ios

Question

I'm using ECSliding and I have this problem!
In my project there are this files:
InitViewController (ECSlidingController)
FirstViewController (UIViewController)
SecondViewController (UIViewController)
LeftMenuViewController (UIViewController)
I use InitView to instatiate my FirstView as the topview.
In my FirstView there is a button, when pressed sets SecondView as topview.
Is it possible to animate the changing topview like I'm opening a new view?
or how can I open a new view that uses ECSliding like the first one?
I'm using this code to change topview:
self.slidingViewController.topViewController = second;
[self.slidingViewController resetTopView];
The animation that I want could just be the default one, like:
[self presentViewController:(*UIViewController) animated:YES completion:nil];

Answer 1

Subclass ECSlidingViewController. I call my subclass DeckController:
In DeckController.h:
- (void)setTopViewController:(UIViewController *)topViewController withTransition:(CATransition*)transition;
In DeckController.m:
- (void)setTopViewController:(UIViewController *)topViewController withTransition:(CATransition*)transition {
self.topViewController = topViewController;
[UIView animateWithDuration:0.25f animations:^() {
[[self.view layer] addAnimation:transition forKey:#"topViewTransition"];
}];
}
Then in the view controller that wants to switch to the new top view, do something like this:
CATransition *animation = [CATransition animation];
[animation setType:kCATransitionPush];
[animation setSubtype:kCATransitionFromRight];
[animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
[animation setFillMode:kCAFillModeBoth];
[animation setDuration:.25];
DeckController *deck = (DeckController*)self.slidingViewController;
[deck setTopViewController:newTopViewController withTransition:animation];

Answer 2

Probably your best option is to use the animation methods of the sliding view controller. Animate the top view off screen, in the completion block change the top view controller (to second) then start a new animation to animate the top view back onto screen.
[self.slidingViewController anchorTopViewOffScreenTo:...
animations:...
onComplete:^{
self.slidingViewController.topViewController = second;
[self.slidingViewController resetTopView];
}];

Answer 3

I just use same operation as when Im clicking on a menuitem in my left menu.
[self.anchorTopViewOffScreenTo:ECRight animations:nil onComplete:^{
CGRect frame = self.topViewController.view.frame;
self.topViewController = [self.storyboard instantiateViewControllerWithIdentifier:#"secondVC"];
self.topViewController.view.frame = frame;
[self resetTopView];
}];
Just generalize this, and you can call it everywhere. It does the animation by itself.
You can do as #Alex, but if you don't have to do some custom animation, this is all you need.
NB. in my example Im using this in the initViewController (for which is the ECSlidingViewController, therefore i'm sending to self), for forcing user to a specific viewController. If you need to change view in any subViewControllers you just sending to self.slidingViewController like the example below:
[self.slidingViewController anchorTopViewOffScreenTo:ECRight animations:nil onComplete:^{
CGRect frame = self.slidingViewController.topViewController.view.frame;
self.slidingViewController.topViewController = [self.storyboard instantiateViewControllerWithIdentifier:#"secondVC"];
self.slidingViewController.topViewController.view.frame = frame;
[self.slidingViewController resetTopView];
}];

Answer 4

You can manually create the animation then set the topViewController at the end so that the sliding view controller is in the state that you expect.
SecondTopViewController *secondTopViewController = [self.storyboard instantiateViewControllerWithIdentifier:#"SecondTop"];
secondTopViewController.view.frame = self.slidingViewController.view.bounds;
secondTopViewController.view.alpha = 0;
// temporarily add the second top view so that we can animate it in.
[self.slidingViewController.view addSubview:secondTopViewController.view];
[UIView animateWithDuration:0.5 animations:^{
secondTopViewController.view.alpha = 1;
} completion:^(BOOL finished) {
// remove the second top view.
[secondTopViewController.view removeFromSuperview];
// let sliding view controlller take over from here
self.slidingViewController.topViewController = secondTopViewController;
}];
See my working example here: https://github.com/enriquez/ECSlidingViewController/tree/so-16658539

Answer 5

#Michael-Enriquez's answer converted to swift.
let viewController = (self.storyboard?.instantiateViewControllerWithIdentifier("ViewController"))! as? ViewController
let navController = UINavigationController(rootViewController: viewController!)
navController.view.frame = self.slidingViewController().view.bounds
navController.view.alpha = 0
self.slidingViewController().view.addSubview(navController.view)
UIView.animateWithDuration(0.25, animations: {
navController.view.alpha = 1
}, completion: {(finished:Bool) -> Void in
navController.view.removeFromSuperview()
self.slidingViewController().topViewController = navController
})