While iOS 8 allows Apple users to transfer content from one app to another, Dropbox does not use used this feature to date. A release update makes this possible now without opening the app, thanks to the new extension in Dropbox 3.7 for iOS, photos, etc… can be loaded directly into the cloud storage.
It is now possible, for example directly from the Photos app and select an image with the known parts function to pass to the Dropbox app. Now, only one target folder should still be selected and you can start the upload into your own Dropbox. Also notes or files from Safari can be stored.
To use Dropbox for iOS is * necessary in version 3.7. Furthermore, the extension must in the action menu can be activated manually as usual.
Download Dropbox for iOS from the App Store