Xamarin.iOS - ImageInverter
This sample code shows how to use an Action extension with a view
controller. The app shares an image through a
UIActivityViewController while the extension can be used to flip
vertically the shared image and return it to the host app. The host
app and extension are communicating using
NSItemProvider. The extension shows the basic interaction with the
Launch the app and tap the share icon at the bottom left corner, the iOS sharing view should appear
Scroll through the 3rd row of icons and look for one marked ImageInverterExt. If you do not find it, click “More” (with the “…” icon) in that list, and enable ImageInverterExt it from the settings screen that appears.
Tap on ImageInverterExt and a window will appear displaying the original image from the app vertically inverted.
Tap “Done” in the top right corner of the window to return to the app’s main view.
The app should now display the vertically inverted image ImageInverterExt.
Building this sample required Xcode 6.0 and iOS 8.0 SDK.
Xamarin port changes are released under the MIT license
Ported to Xamatin.iOS by Rustam Zaitov.