Refactor array of RttChatMessage to List.

Bug: 67596257
Test: RttChatMessageTest
PiperOrigin-RevId: 188373256
Change-Id: I0f0798a5310225456619757dcca5bbd5df372b91
diff --git a/java/com/android/incallui/rtt/impl/RttChatAdapter.java b/java/com/android/incallui/rtt/impl/RttChatAdapter.java
index 6983718..42bd2c6 100644
--- a/java/com/android/incallui/rtt/impl/RttChatAdapter.java
+++ b/java/com/android/incallui/rtt/impl/RttChatAdapter.java
@@ -24,7 +24,6 @@
 import android.view.ViewGroup;
 import com.android.dialer.common.LogUtil;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 
 /** Adapter class for holding RTT chat data. */
@@ -76,21 +75,22 @@
     if (lastIndexOfRemoteMessage >= 0) {
       rttChatMessage = rttMessages.get(lastIndexOfRemoteMessage);
     }
-    RttChatMessage[] newMessages = RttChatMessage.getRemoteRttChatMessage(rttChatMessage, newText);
+    List<RttChatMessage> newMessages =
+        RttChatMessage.getRemoteRttChatMessage(rttChatMessage, newText);
 
     if (rttChatMessage == null) {
       lastIndexOfRemoteMessage = rttMessages.size();
-      rttMessages.add(lastIndexOfRemoteMessage, newMessages[0]);
-      rttMessages.addAll(Arrays.asList(newMessages).subList(1, newMessages.length));
-      notifyItemRangeInserted(lastIndexOfRemoteMessage, newMessages.length);
+      rttMessages.add(lastIndexOfRemoteMessage, newMessages.get(0));
+      rttMessages.addAll(newMessages.subList(1, newMessages.size()));
+      notifyItemRangeInserted(lastIndexOfRemoteMessage, newMessages.size());
       lastIndexOfRemoteMessage = rttMessages.size() - 1;
     } else {
-      rttMessages.set(lastIndexOfRemoteMessage, newMessages[0]);
+      rttMessages.set(lastIndexOfRemoteMessage, newMessages.get(0));
       int lastIndex = rttMessages.size();
-      rttMessages.addAll(Arrays.asList(newMessages).subList(1, newMessages.length));
+      rttMessages.addAll(newMessages.subList(1, newMessages.size()));
 
       notifyItemChanged(lastIndexOfRemoteMessage);
-      notifyItemRangeInserted(lastIndex, newMessages.length);
+      notifyItemRangeInserted(lastIndex, newMessages.size());
     }
     if (rttMessages.get(lastIndexOfRemoteMessage).isFinished()) {
       lastIndexOfRemoteMessage = -1;
diff --git a/java/com/android/incallui/rtt/impl/RttChatMessage.java b/java/com/android/incallui/rtt/impl/RttChatMessage.java
index b2974ef..fe30364 100644
--- a/java/com/android/incallui/rtt/impl/RttChatMessage.java
+++ b/java/com/android/incallui/rtt/impl/RttChatMessage.java
@@ -87,7 +87,7 @@
   }
 
   /** Convert remote input text into an array of {@code RttChatMessage}. */
-  static RttChatMessage[] getRemoteRttChatMessage(
+  static List<RttChatMessage> getRemoteRttChatMessage(
       @Nullable RttChatMessage currentMessage, @NonNull String text) {
     Iterator<String> splitText = SPLITTER.split(text).iterator();
     List<RttChatMessage> messageList = new ArrayList<>();
@@ -118,6 +118,6 @@
       messageList.add(message);
     }
 
-    return messageList.toArray(new RttChatMessage[0]);
+    return messageList;
   }
 }