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https://github.com/jmascia/KLCPopup

A simple and flexible class for presenting custom views as a popup in iOS.
https://github.com/jmascia/KLCPopup

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A simple and flexible class for presenting custom views as a popup in iOS.

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KLCPopup
========

KLCPopup is a simple and flexible iOS class for presenting any custom view as a popup. It includes a variety of options for controlling how your popup appears and behaves.

##Installation

- Drag the `KLCPopup/KLCPopup` folder into your project.
- `#import "KLCPopup.h"` where appropriate.

##Usage

(see sample Xcode project in `/KLCPopupExample`)

### Creating a Popup

Create a popup for displaying a UIView using default animations and behaviors (similar to a UIAlertView):

+ (KLCPopup*)popupWithContentView:(UIView*)contentView;

Or create a popup with custom animations and behaviors. Customizations can also be accessed via properties on the popup instance:

+ (KLCPopup*)popupWithContentView:(UIView*)contentView
showType:(KLCPopupShowType)showType
dismissType:(KLCPopupDismissType)dismissType
maskType:(KLCPopupMaskType)maskType
dismissOnBackgroundTouch:(BOOL)shouldDismissOnBackgroundTouch
dismissOnContentTouch:(BOOL)shouldDismissOnContentTouch;

Note: You may pass `nil` for `contentView` when creating the popup, but **you must assign a `contentView` to the popup before showing it!**

Also **you must give your `contentView` a size** before showing it (by setting its frame), or **it must size itself with AutoLayout**.


### Showing a Popup

Show popup in middle of screen.

- (void)show;

There are two ways to control where your popup is displayed:

1. Relative layout presets (see `KLCPopup.h` for options).

- (void)showWithLayout:(KLCPopupLayout)layout;

2. Explicit center point relative to a view's coordinate system.

- (void)showAtCenter:(CGPoint)center inView:(UIView*)view;

If you want your popup to dismiss automatically (like a toast in Android) you can set an explicit `duration`:

- (void)showWithDuration:(NSTimeInterval)duration;

### Dismissing a Popup

There are a few ways to dismiss a popup:

If you have a reference to the popup instance, you can send this message to it. If `animated`, then it will use the animation specified in `dismissType`. Otherwise it will just disappear:

- (void)dismiss:(BOOL)animated;

If you lost your reference to a popup or you want to make sure no popups are showing, this class method dismisses any and all popups in your app:

+ (void)dismissAllPopups;

Also you can call this category method from `UIView(KLCPopup)` on your contentView, or any of its subviews, to dismiss its parent popup:

- (void)dismissPresentingPopup; // UIView category

### Customization

Animation used to show your popup:

@property (nonatomic, assign) KLCPopupShowType showType;

Animation used to dismiss your popup:

@property (nonatomic, assign) KLCPopupDismissType dismissType;

Mask prevents touches to the background from passing through to views below:

@property (nonatomic, assign) KLCPopupMaskType maskType;

Popup will automatically dismiss if the background is touched:

@property (nonatomic, assign) BOOL shouldDismissOnBackgroundTouch;

Popup will automatically dismiss if the contentView is touched:

@property (nonatomic, assign) BOOL shouldDismissOnContentTouch;

Override alpha value for dimmed background mask:

@property (nonatomic, assign) CGFloat dimmedMaskAlpha;

### Blocks

Use these blocks to synchronize other actions with popup events:

@property (nonatomic, copy) void (^didFinishShowingCompletion)();

@property (nonatomic, copy) void (^willStartDismissingCompletion)();

@property (nonatomic, copy) void (^didFinishDismissingCompletion)();

### Example

UIView* contentView = [[UIView alloc] init];
contentView.backgroundColor = [UIColor orangeColor];
contentView.frame = CGRectMake(0.0, 0.0, 100.0, 100.0);

KLCPopup* popup = [KLCPopup popupWithContentView:contentView];
[popup show];

## Notes

### Interface Orientation
`KLCPopup` supports **Portrait** and **Landscape** by default.

### Deployment
`KLCPopup` requires **iOS 7**.

### Devices
`KLCPopup` supports **iPhone** and **iPad**.

### ARC
`KLCPopup` requires ARC.

### TODO
- Add support for keyboard show/hide.
- Add support for drag-to-dismiss.
- Add 'blur' option for background mask

##Credits
KLCPopup was created by Jeff Mascia and the team at Kullect, where it's used in the [Shout Photo Messenger](http://tryshout.com) app. Aspects of KLCPopup were inspired by Sam Vermette's [SVProgressHUD](https://github.com/samvermette/SVProgressHUD).