Coordinating activity views across operating system domains

A device and its operations are described herein. In some examples, the operations can include executing a first application within a first operating system domain of a device, the first application associated with at least a first activity view. The operations can further include detecting user input associated with the first application. The user input is associated with activating a second activity view of a second application. The operations can further include determining that the second application corresponds to a second operating system domain of the device. The operations can further include establishing a first proxy link within the first operating system domain that corresponds with a second proxy link within the second operating system domain. The first proxy link is associated with causing the second proxy link to invoke the second activity view of the second application within the second operating system domain.