suppress redundant rendering of RocketChatMessageUrlsLayout#setUrls,...

suppress redundant rendering of RocketChatMessageUrlsLayout#setUrls, RocketChatMessageAttachmentsLayout#setAttachments

rocket-chat-android-widgets/src/main/java/chat/rocket/android/widget/message/RocketChatMessageAttachmentsLayout.java

@@ -30,6 +30,7 @@ import org.json.JSONObject;
 public class RocketChatMessageAttachmentsLayout extends LinearLayout {
   private LayoutInflater inflater;
   private String hostname;
+  private String attachmentsString;
 
   private String userId;
   private String token;
@@ -93,6 +94,10 @@ public class RocketChatMessageAttachmentsLayout extends LinearLayout {
   }
 
   public void setAttachments(String attachmentsString) {
+    if (this.attachmentsString != null && this.attachmentsString.equals(attachmentsString)) {
+      return;
+    }
+    this.attachmentsString = attachmentsString;
     removeAllViews();
 
     try {

rocket-chat-android-widgets/src/main/java/chat/rocket/android/widget/message/RocketChatMessageUrlsLayout.java

@@ -23,6 +23,7 @@ import org.json.JSONObject;
  */
 public class RocketChatMessageUrlsLayout extends LinearLayout {
   private LayoutInflater inflater;
+  private String urlsString;
 
   public RocketChatMessageUrlsLayout(Context context) {
     super(context);
@@ -52,6 +53,10 @@ public class RocketChatMessageUrlsLayout extends LinearLayout {
   }
 
   public void setUrls(String urlsString) {
+    if (this.urlsString != null && this.urlsString.equals(urlsString)) {
+      return;
+    }
+    this.urlsString = urlsString;
     removeAllViews();
 
     try {