Custom animation transition for present modal view controller
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README.md

ZFDragableModalTransition

Version License Platform

Usage

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    TaskDetailViewController *detailViewController = segue.destinationViewController;
    detailViewController.task = sender;

    // create animator object with instance of modal view controller
    // we need to keep it in property with strong reference so it will not get release
    self.animator = [[ZFModalTransitionAnimator alloc] initWithModalViewController:detailViewController];
    self.animator.dragable = YES;
    self.animator.direction = ZFModalTransitonDirectionBottom;
    [self.animator setContentScrollView:detailViewController.scrollview];

    // set transition delegate of modal view controller to our object
    detailViewController.transitioningDelegate = self.animator;

    // if you modal cover all behind view controller, use UIModalPresentationFullScreen
    detailViewController.modalPresentationStyle = UIModalPresentationCustom;
}

###ScrollView If you have scrollview in the modal and you want to dismiss modal by drag it, you need to set scrollview to ZFModalTransitionAnimator instance.

[self.animator setContentScrollView:detailViewController.scrollview];

###Direction You can set that which direction will our modal present. (default is ZFModalTransitonDirectionBottom)

self.animator.direction = ZFModalTransitonDirectionBottom;

P.S. Now you can set content scrollview only with ZFModalTransitonDirectionBottom

Requirements

  • iOS >= 7.1
  • ARC

Installation

ZFDragableModalTransition is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "ZFDragableModalTransition"

FAQ

How can I show modal only part of view ?

The current ViewController's view still visible behind the modal, so you just set transparent color to background view.

Author

Amornchai Kanokpullwad, @zoonref

Swift Version

by @dimohamdy ZFDragableModalTransitionSwift

License

ZFDragableModalTransition is available under the MIT license. See the LICENSE file for more info.