What is the best server client communication protocol to use in Android and iOS?

Question

We have a server application (implemented in Java) that will provide some data for our mobile apps. The apps will be created for Android and iOS.

Which is the best proto

Answer 1

Use Jackson parser or Gson parser instead of JSON Parser.

1.Jackson is 2X faster than JSON and it is suitable for parsing complex and extremely big jsons.

2.Gson competitively faster than JSON.