How to support multiple android version in your code?

Question

Take accessing contacts in android android.jar for versions 1.6 has People.CONTENT_URI for invoking contacts related info whereas in later versions we need to have api suppo

Answer 1

Quite Honestly, it's a pain.

I usually, just isolate parts of code that are different and access them using abstract classes. So technically creating different version for different OS.

But there are other ways. The best one i've seen involves using reflection.