Hi all, I am working for designing of UIs for applications across wide range of Mobile devices and all major platforms - iOS, Blackberry, Android, Microsoft. In most cases, there is a need to deliver an application Interface design across all devices and platforms, in such scenario - can anybody suggest how to maintain the consistency of interaction, visual design and interface usability across all devices and platforms?
I am currently working on a proof of concept and I would like to be able to identify users without the need for the user to generate account and such. The proof of concept consists of a console installation where the user inputs POIs and then the user can refer a personalized leaflet/guide based on his earlier entered data on his mobile device. Now I would like to identify the user in some manner when he uses his mobile device (currently iPhone atm).
Are there any best practices if you want to do such things? I am currently