How to pass complex data structures (example: a vector with many elements) between service and the remote binder?

The object passing between an Android service and the remote binder is happening thr开发者_如何学运维ough serialization of the object. If the service needs to return a very large collection, it seems very inefficient to use this. What is the recommended way to deal with this?

Thanks.

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In Android you should implement Parcelable rather than Serializable on your objects, as the performance is much better. Your AIDL method can then specifiy a Parcel as an argument.

Here's the SDK documentation about passing Parcelable objects to a Service which has some sample code.