How to make an application?

Question

Database

I'm going to make a convenient schedule for my faculty.
what is generally needed:
-site + mobile version of the application
-applications on android / ios / windows phone
And I can not decide how to do it.
The schedule is given in excel, parse it into JSON, for example, and from it already to the site and mobile applications.
Can anyone help with a useful link or how to organize the application in general?

Answer 1

No need to parse, any excel table is exported to csv. This is a simple delimited text format. Then you can turn it into json or whatever you want.
During the launch, the application crawls onto the hosting and asks for an up-to-date version of the schedule. If there is one, it updates the cache. If there is no Internet or the request does not reach, then it shows what is in the cache. Again, you can store it even in a text file. You can use SQLite on clients if you want to further increase the functionality and need more data.

Answer 2

offtopic
is already ready here habrahabr.ru/company/robotpashka/blog/213967 and direct link robotpashka.ru