Android: Parsing large JSON file

Question

I\'m creating an android application which should parse a Json from a file or url to a jsonarray and jsonobjects. The problem is that my json is 3.3 mb and when i use a simp

Answer 1

The hybrid streaming approach with Jackson is a good option. That way, you can advance a pointer through your raw JSON input (validating it as you go) and, when you detect an input chunk that needs to be processed, you can read it into a tree-hierarchy so that you can pull out any data you want from it.

Answer 2

You should use json streaming either with gson or jackson. With Jackson you can use a hybrid approach as well. This would reduce your memory consumption significantly as only the portion of json being parsed is loaded into memory.

https://sites.google.com/site/gson/gson-user-guide http://jackson.codehaus.org/

A jackson example http://www.mkyong.com/java/jackson-streaming-api-to-read-and-write-json/