Java/Android: java.lang.OutOfMemoryError while building a JSON object

Question

I am importing JSON data from a public database URI http://data.seattle.gov/api/views/3k2p-39jp/rows.json and the rows go as far as 445454. Using the following code I am co

Answer 1

That JSON is huge!

You definitely need to use a streaming JSON parser. There are two out there for Android: GSON and Jackson.

GSON Streaming is explained at: https://sites.google.com/site/gson/streaming

I like how GSON explains the problem you're having:

Most applications should use only the object model API. JSON streaming is useful in just a few situations:

When it is impossible or undesirable to load the entire object model into memory. This is most relevant on mobile platforms where memory is limited.

Jackson Streaming is documented at: http://wiki.fasterxml.com/JacksonInFiveMinutes#Streaming_API_Example