Update some classes.

app/src/main/java/chat/rocket/android/fragment/chatroom/RoomFragment.java

@@ -21,14 +21,6 @@ import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.view.ViewGroup;
-
-import com.fernandocejas.arrow.optional.Optional;
-import com.jakewharton.rxbinding2.support.v4.widget.RxDrawerLayout;
-
-import java.lang.reflect.Field;
-import java.util.ArrayList;
-import java.util.List;
-
 import chat.rocket.android.BackgroundLooper;
 import chat.rocket.android.R;
 import chat.rocket.android.api.MethodCallHelper;
@@ -78,10 +70,15 @@ import chat.rocket.persistence.realm.repositories.RealmSessionRepository;
 import chat.rocket.persistence.realm.repositories.RealmSpotlightRoomRepository;
 import chat.rocket.persistence.realm.repositories.RealmSpotlightUserRepository;
 import chat.rocket.persistence.realm.repositories.RealmUserRepository;
+import com.fernandocejas.arrow.optional.Optional;
+import com.jakewharton.rxbinding2.support.v4.widget.RxDrawerLayout;
 import io.reactivex.Single;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
 import permissions.dispatcher.NeedsPermission;
 import permissions.dispatcher.RuntimePermissions;
 
@@ -104,6 +101,7 @@ public class RoomFragment extends AbstractChatRoomFragment implements
   private String roomId;
   private LoadMoreScrollListener scrollListener;
   private MessageFormManager messageFormManager;
+  private RecyclerView messageRecyclerView;
   private RecyclerViewAutoScrollManager recyclerViewAutoScrollManager;
   protected AbstractNewMessageIndicatorManager newMessageIndicatorManager;
   protected Snackbar unreadIndicator;
@@ -188,7 +186,7 @@ public class RoomFragment extends AbstractChatRoomFragment implements
 
   @Override
   protected void onSetupView() {
-    RecyclerView messageRecyclerView = (RecyclerView) rootView.findViewById(R.id.messageRecyclerView);
+    messageRecyclerView = rootView.findViewById(R.id.messageRecyclerView);
 
     messageListAdapter = new MessageListAdapter(getContext());
     messageRecyclerView.setAdapter(messageListAdapter);
@@ -247,10 +245,8 @@ public class RoomFragment extends AbstractChatRoomFragment implements
   }
 
   private void scrollToLatestMessage() {
-    RecyclerView listView = (RecyclerView) rootView.findViewById(R.id.messageRecyclerView);
-    if (listView != null) {
-      listView.scrollToPosition(0);
-    }
+    if (messageRecyclerView != null)
+      messageRecyclerView.scrollToPosition(0);
   }
 
   protected Snackbar getUnreadCountIndicatorView(int count) {
@@ -264,13 +260,9 @@ public class RoomFragment extends AbstractChatRoomFragment implements
 
   @Override
   public void onDestroyView() {
-    RecyclerView listView = (RecyclerView) rootView.findViewById(R.id.messageRecyclerView);
-    if (listView != null) {
-      RecyclerView.Adapter adapter = listView.getAdapter();
-      if (adapter != null) {
+    RecyclerView.Adapter adapter = messageRecyclerView.getAdapter();
+      if (adapter != null)
         adapter.unregisterAdapterDataObserver(recyclerViewAutoScrollManager);
-      }
-    }
 
     compositeDisposable.clear();
 
@@ -551,12 +543,11 @@ public class RoomFragment extends AbstractChatRoomFragment implements
 
   @Override
   public void updateHistoryState(boolean hasNext, boolean isLoaded) {
-    RecyclerView listView = (RecyclerView) rootView.findViewById(R.id.messageRecyclerView);
-    if (listView == null || !(listView.getAdapter() instanceof MessageListAdapter)) {
+    if (messageRecyclerView == null || !(messageRecyclerView.getAdapter() instanceof MessageListAdapter)) {
       return;
     }
 
-    MessageListAdapter adapter = (MessageListAdapter) listView.getAdapter();
+    MessageListAdapter adapter = (MessageListAdapter) messageRecyclerView.getAdapter();
     if (isLoaded) {
       scrollListener.setLoadingDone();
     }
@@ -608,4 +599,4 @@ public class RoomFragment extends AbstractChatRoomFragment implements
     edittingMessage = message;
     messageFormManager.setEditMessage(message.getMessage());
   }
-}
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/helper/Avatar.java

@@ -6,6 +6,8 @@ import android.graphics.Canvas;
 import android.graphics.Typeface;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
+import android.support.graphics.drawable.VectorDrawableCompat;
+import chat.rocket.android.R;
 import com.amulyakhare.textdrawable.TextDrawable;
 
 import java.io.UnsupportedEncodingException;
@@ -91,6 +93,14 @@ public class Avatar {
     rocketChatAvatar.loadImage(getImageUrl(), getTextDrawable(context));
   }
 
+  /**
+   * render error avatar into RocketChatAvatar.
+   */
+  public void errorInto(final RocketChatAvatar rocketChatAvatar) {
+    final Context context = rocketChatAvatar.getContext();
+    rocketChatAvatar.loadImage(VectorDrawableCompat.create(context.getResources(), R.drawable.ic_error_outline_black_24dp, null));
+  }
+
   public Drawable getTextDrawable(Context context) {
     if (username == null) {
       return null;

app/src/main/java/chat/rocket/android/renderer/MessageRenderer.java

@@ -44,7 +44,8 @@ public class MessageRenderer extends AbstractRenderer<Message> {
     }
 
     if (object.getSyncState() == SyncState.FAILED)
-      rocketChatAvatar.loadImage(VectorDrawableCompat.create(context.getResources(), R.drawable.ic_error_outline_black_24dp, null));
+//      rocketChatAvatar.loadImage(VectorDrawableCompat.create(context.getResources(), R.drawable.ic_error_outline_black_24dp, null));
+      userRenderer.errorAvatarInto(rocketChatAvatar);
     else if (TextUtils.isEmpty(object.getAvatar()))
       userRenderer.avatarInto(rocketChatAvatar, absoluteUrl);
     else {

app/src/main/java/chat/rocket/android/renderer/UserRenderer.java

@@ -32,6 +32,20 @@ public class UserRenderer extends AbstractRenderer<User> {
     return this;
   }
 
+  /**
+   * show Avatar error image
+   */
+  public UserRenderer errorAvatarInto(RocketChatAvatar rocketChatAvatar) {
+    if (!shouldHandle(rocketChatAvatar)) {
+      return this;
+    }
+
+    if (!TextUtils.isEmpty(object.getUsername())) {
+      new Avatar(null, object.getUsername()).errorInto(rocketChatAvatar);
+    }
+    return this;
+  }
+
   /**
    * show Username in textView
    */

rocket-chat-android-widgets/src/main/java/chat/rocket/android/widget/RocketChatAvatar.java

@@ -11,6 +11,7 @@ import android.widget.FrameLayout;
 
 import com.facebook.drawee.backends.pipeline.Fresco;
 import com.facebook.drawee.generic.GenericDraweeHierarchy;
+import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
 import com.facebook.drawee.interfaces.DraweeController;
 import com.facebook.drawee.view.SimpleDraweeView;
 
@@ -49,8 +50,18 @@ public class RocketChatAvatar extends FrameLayout {
   }
 
   public void loadImage(Drawable drawable) {
+//    final GenericDraweeHierarchy hierarchy = draweeView.getHierarchy();
+//    hierarchy.setImage(drawable, 100, true); // Is there a better way?
+
     final GenericDraweeHierarchy hierarchy = draweeView.getHierarchy();
-    hierarchy.setImage(drawable, 100, true); // Is there a better way?
+    hierarchy.setPlaceholderImage(drawable);
+    hierarchy.setFailureImage(drawable);
+
+    final DraweeController controller = Fresco.newDraweeControllerBuilder()
+        .setAutoPlayAnimations(true)
+        .build();
+    draweeView.setController(controller);
+
   }
 
   public void loadImage(String url, Drawable placeholder) {