stream group conversations returns groups (#174)

Author: nplasterer

library/src/androidTest/java/org/xmtp/android/library/GroupTest.kt

@@ -232,10 +232,10 @@ class GroupTest {
         boClient.conversations.streamGroups().test {
             val group =
                 alixClient.conversations.newGroup(listOf(bo.walletAddress))
-            assertEquals(group.id.toHex(), awaitItem().topic)
+            assertEquals(group.id.toHex(), awaitItem().id.toHex())
             val group2 =
                 caroClient.conversations.newGroup(listOf(bo.walletAddress))
-            assertEquals(group2.id.toHex(), awaitItem().topic)
+            assertEquals(group2.id.toHex(), awaitItem().id.toHex())
         }
     }
 

library/src/main/java/org/xmtp/android/library/Conversations.kt

@@ -501,10 +501,10 @@ data class Conversations(
     }
 
     fun streamAll(): Flow<Conversation> {
-        return merge(streamGroups(), stream())
+        return merge(streamGroupConversations(), stream())
     }
 
-    fun streamGroups(): Flow<Conversation> = callbackFlow {
+    private fun streamGroupConversations(): Flow<Conversation> = callbackFlow {
         val groupCallback = object : FfiConversationCallback {
             override fun onConversation(conversation: FfiGroup) {
                 trySend(Conversation.Group(Group(client, conversation)))
@@ -515,6 +515,17 @@ data class Conversations(
         awaitClose { stream.end() }
     }
 
+    fun streamGroups(): Flow<Group> = callbackFlow {
+        val groupCallback = object : FfiConversationCallback {
+            override fun onConversation(conversation: FfiGroup) {
+                trySend(Group(client, conversation))
+            }
+        }
+        val stream = libXMTPConversations?.stream(groupCallback)
+            ?: throw XMTPException("Client does not support Groups")
+        awaitClose { stream.end() }
+    }
+
     /**
      * Get the stream of all messages of the current [Client]
      * @return Flow object of [DecodedMessage] that represents all the messages of the