Another interesting way you can work with iOS is the photo editing extensions. Basically, you can add your functionality to the iOS standard photo editing. photo editing extensions let people modify photos and videos within the Photos app by applying filters or making other changes. It is always saved in the Photos app as new files. Save the preserving the original versions. To access a photo editing extension, a photo must be in an edit mode while in edit mode.

Tapping the extension icon in the toolbar displays an action sheet menu of available editing extensions. Selecting one displays the extension interface in a modal view containing and navigation bar. dismissing these view confirms and save the Edit, cancels it and returns to the quarters app. Let's go over a few guidelines for this Confirm the constellation of edits. editing a photo or video can be time consuming. If someone taps the Cancel button, don't immediately discard their changes.

Ask them to confirm that they really want to cancel and inform them that any edits will be lost after cancellation. There is no need to show these confirmation if no edits have been made yet. don't provide a custom navigation bar. Your extension loads within the modal view that already includes a navigation bar. Providing the second navigation bar is confusing and take space away from the content being edited. Let people preview edits.

It's hard to approve an idiot if you can see what it looks like. let people see the result of the work before closing your extension and returning to the Photos app. Use your app Consider your photo editing extension icon. This instills confidence that the extension is in fact provided by your app.