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Is it possible to attach file to JSONObject in Java (and to JSON at all)?
For example, can I attach bitmap to ‘image’ field?
{'user_id':'5', 'auth_token':'abc', 'image': ???}
You can convert the bitmap (or any binary data) to text using base64 (which makes it a String) I wouldn’t use one of the Base64 classes in the JVM unless you are fully aware that they are for internal use. (may not be available on all JDKs and could change in future versions)
You could copy java.util.prefs.Base64 if you don’t have one in a library already.