How do I pass an array of objects from Android to React Native?

Question

I'm trying to pass data into React Native from native Android. The data is an array of objects which consist of actions that should be dispatched. Example

{
  "actions: [
    { 
      "authenticationType: "strong",
      "type: "AUTHENTICATION_URL",
      "url: "https://foo.bar/",
    },
  ],
}

I'm trying to use the com.facebook.react.bridge.Arguments class to do something like

val arguments = Arguments.createMap().apply {
  putString("path", "general/authentication")  
  putArray("actions",
           Arguments.fromList(listOf(
                   mapOf("authenticationType" to "strong",
                         "type" to "AUTHENTICATION_URL",
                         "url" to url
                   ))))
}

but it only results in

09-14 20:08:53.996 10437 10437 I zygote  : Thread[1,tid=10437,Native,Thread*=0xb18da000,peer=0x73d2f568,"main"] recursive attempt to load library "/data/app/com.getdreams-MO6VYrPeHVgAkBP2ori8SA==/lib/x86/libfb.so"

Unsure how to create that array of javascript objects.

Has anyone any suggestion of how to perhaps use com.facebook.react.bridge.Arguments in a better way?

Carl B · Accepted Answer · 2017-09-14 21:02:22Z

2

I did solve this only moments later by using the Arguments class, like so

val action = Arguments.makeNativeMap(
  mutableMapOf("authenticationType" to "strong",
               "type" to "AUTHENTICATION_URL",
               "url" to url) as Map<String, Any>)

val actionArray = Arguments.makeNativeArray(listOf(action))

val arguments = Arguments.createMap().apply {
    putString("path", "general/authentication")
    putArray("actions",actionArray)
}

answered Sep 14, 2017 at 21:02

Carl B

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