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Gallery Banner

Version Carthage Compatible License Platform Swift

Description

Gallery Icon

We all love image pickers, don't we? You may already know of ImagePicker, the all in one solution for capturing pictures and selecting images. Well, it has a sibling too, called Gallery. Based on the same engine that powers ImagePicker, Gallery has a clearer flow based on albums and focuses on the use case of selecting video. If this suits your need, give it a try 😉

Gallery has 3 tabs with easy navigation through swipe gesture

  • Images: select albums and images. Handle selection with hightlighted numbers so your users don't forget the order
  • Camera: your photographer skill goes here
  • Videos: display all videos and select. For now the use case is to select one video at a time

And, it has zero dependencies 😎

Usage

Presenting

GalleryController is the main entry point, just instantiate and give it the delegate

let gallery = GalleryController()
gallery.delegate = self
present(gallery, animated: true, completion: nil)

The content controller is not loaded until the users navigate to, which offers a much faster experience.

Delegate

The GalleryControllerDelegate requires you to implement some delegate methods in order to interact with the picker

func galleryController(_ controller: GalleryController, didSelectImages images: [Image])
func galleryController(_ controller: GalleryController, didSelectVideo video: Video)
func galleryController(_ controller: GalleryController, requestLightbox images: [Image])
func galleryControllerDidCancel(_ controller: GalleryController)

The lightbox delegate method is your chance to display selected images. If you're looking for a nice solution, here is the Lightbox that we use and love

Resolving

The delegate methods give you Image and Video, which are just wrappers around PHAsset. To get the actual asset informations, we offer many convenient methods. See example

Image

  • Use instance method resolve to get the actual UIImage
  • Use static method Image.resolve to resolve a list of images

Video

  • Use instance method fetchDuration, fetchPlayerItem, fetchAVAsset, fetchThumbnail to get more information about the selected video.

Permission

Gallery handles permissions for you. It checks and askes for photo and camera usage permissions at first launch. As of iOS 10, we need to explicitly declare usage descriptions in plist files

<key>NSCameraUsageDescription</key>
<string>This app requires access to camera</string>
<key>NSPhotoLibraryUsageDescription</key>
<string>This app requires access to photo library</string>

Configuration

There are lots of customization points in Config structs. For example

Config.Permission.image = UIImage(named: ImageList.Gallery.cameraIcon)
Config.Font.Text.bold = UIFont(name: FontList.OpenSans.bold, size: 14)!
Config.Camera.recordLocation = true
Config.tabsToShow = [.imageTab, .cameraTab]

Video Editor

Gallery cares more about video with its editing functionalities. We have VideoEditor and AdvancedVideoEditor to trim, resize, scale and define quality of the selected video

func galleryController(_ controller: GalleryController, didSelectVideo video: Video) {
  controller.dismiss(animated: true, completion: nil)

  let editor = VideoEditor()
  editor.edit(video: video) { (editedVideo: Video?, tempPath: URL?) in
    DispatchQueue.main.async {
      if let tempPath = tempPath {
        let controller = AVPlayerViewController()
        controller.player = AVPlayer(url: tempPath)

        self.present(controller, animated: true, completion: nil)
      }
    }
  }
}

With the Video object, you can fetchPlayerItem, fetchAVAsset and fetchThumbnail as well

And, of course, you have the ability to customize it

Config.VideoEditor.maximumDuration = 30
Config.VideoEditor.savesEditedVideoToLibrary = true

Installation

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

pod 'Gallery'

Gallery is also available through Carthage. To install just write into your Cartfile:

github "hyperoslo/Gallery"

Gallery can also be installed manually. Just download and drop Sources folders in your project.

Author

Hyper Interaktiv AS, ios@hyper.no

Contributing

We would love you to contribute to Gallery, check the CONTRIBUTING file for more info.

License

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