We introduce Kynoid, a real-time monitoring and enforcement framework for Android. Kynoid is based on user-defined security policies which are defined for data-items. This allows users to define temporal, spatial, and destination constraints which have to hold for single items. We introduce an innovative approach to allow for the real-time tracking and enforcement of such policies. In this way, Kynoid is the first extension of Android which enables the sharing of resources while respecting individual security policies for the data-items stored in these resources. We outline Kynoid's architecture, present its operation and discuss it in terms of applicability, performance, and usability. By providing a proof-of-concept implementation we further show the feasibility of our framework.
With rapid improvements in available bandwidth and processing power of smart phones, the presentation of interactive non-linear video became possible. Web players for these form of video already exist, they usually have a video area and one or more annotation areas. Most of them can not be used for mobile phones because of their space consuming representation. This work presents a player to display interactive nonlinear videos on Android smart phones. The small display size and the possibility to switch between portrait and landscape mode have been taken into account. The player also provides functions to manage a library of downloaded interactive videos for off line use as well as bookmarks.
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