How to suppress Charset being automatically added to Content-Type in okhttp

Question

Consider the following code:

    OkHttpClient client = new OkHttpClient();

    MediaType mediaType = MediaType.parse(\"text/plain; charset=utf-8\"); // [A]
         


        

Answer 1

I found the solution:

The following line is the culprit:

RequestBody body = RequestBody.create(mediaType, media);

create has 3 signatures for media:

• String
• byte[]
• File

When I pass a String, it disregards the supplied mediaType and adds the charset to it. Even for image/jpeg it would send

image/jpeg; charset=utf-8

to the server.

Using byte[] or File suppresses that behavior.

I hope this helps you!

[Stupid me - for simplicity I gave it a String during testing, as I didn't care about the body ;-( ]