mutation.kt

 fun updateTask(id: String, title: String, version: Int) {

        Log.e(TAG, "inside update task")

        val client: ApolloMutationCall<UpdateCurrentTask.Data>?
        val mutation = UpdateCurrentTask.builder().id(id).title(title).version(version).build()
//I am trying to do something like this but not able to access it as not such method available in apollostore.   
// Optimistic Update
//         Network.apolloClient
//             .apolloStore()
//             .writeOptimisticUpdatesAndPublish(GetMyTodosQuery(), GetMyTodosQuery.Data(mutableListOf(todo)), UUID.randomUUID()).execute()
//         getMyTodosQueryLocal()

        client = Utils.getApolloClient(this)?.apolloStore().mutate(mutation)

        client?.enqueue(object : ApolloCall.Callback<UpdateCurrentTask.Data>() {
            override fun onFailure(e: ApolloException) {
                Log.e("onFailure" + "updateTask", e.toString())
            }

            override fun onResponse(response: Response<UpdateCurrentTask.Data>) {
                val result = response.data()?.updateTask()
                Log.e(TAG, "onResponse-UpdateTask")

                Log.e(TAG, "${result?.id()}")
                Log.e(TAG, "${result?.title()}")
                Log.e(TAG, "${result?.description()}")
                Log.e(TAG, "${result?.version()}")

                runOnUiThread {
                    noteslist.clear()
                    getTasks()
                }
            }
        })
    }