Using Startactivityforresult Across Android Applications
Solution 1:
You could use a library like Jackson to serialize your object to a JSON string which you then you deserialize on the other end.
It's much more flexible and will eliminate the problem of inconsistent versions of your data being passed around if you decide to add for instance an extra field.
Also, the two apps no longer need to maintain a class in the same namespace or even call them by the same name.
And as a final note, you no longer need to publish a jar, only your documentation will suffice.
Solution 2:
how does it know the name of the intent extra to receive
By reading the API documentation published by the author of the first application.
how would I create the object received and cast it back into a MyObject that is not part of of this application?
The authors of the first application would also have to publish a JAR containing an implementation of MyObject
, that the authors of the second application add to their project. And, the authors of the first application would either never have to change MyObject
or at least make sure the serialization versioning stuff works.
Would I just mimic the MyObject class in the second application and cast it to that?
If by "mimic" you mean "have a class with the exact same class name, exact same package name, and exact same serialization logic", then yes, though I'm then concerned about your use of the term "just"... :-)
If MyObject
has the structure you describe, consider just putting the String
and String[]
as individual extras, or put them in a Bundle
and use that as an extra, to avoid trying to use custom Parcelable
objects between apps.
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