diff --git a/res/drawable/generated_avatar_bg.xml b/res/drawable/generated_avatar_bg.xml
new file mode 100644
index 000000000..e297b5022
--- /dev/null
+++ b/res/drawable/generated_avatar_bg.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval">
+    <solid android:color="@color/colorD"/>
+    <size android:width="35dp" android:height="35dp"/>
+</shape>
diff --git a/res/layout-land/chatlist_cell.xml b/res/layout-land/chatlist_cell.xml
index 70db86209..a4c106663 100644
--- a/res/layout-land/chatlist_cell.xml
+++ b/res/layout-land/chatlist_cell.xml
@@ -31,29 +31,7 @@
 			android:layout_height="match_parent"
 			android:gravity="center">
 
-			<RelativeLayout
-				android:id="@+id/avatar_layout"
-				android:layout_width="wrap_content"
-				android:layout_height="wrap_content"
-				android:layout_centerHorizontal="true">
-
-				<ImageView
-					android:id="@+id/contact_picture"
-					android:src="@drawable/avatar"
-					android:contentDescription="@string/content_description_contact_picture"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"/>
-
-				<ImageView
-					android:id="@+id/mask"
-					android:src="@drawable/avatar_mask"
-					android:contentDescription="@string/content_description_contact_picture"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"/>
-
-			</RelativeLayout>
+			<include layout="@layout/contact_avatar"/>
 
 		</RelativeLayout>
 
diff --git a/res/layout-sw533dp-land/chatlist_cell.xml b/res/layout-sw533dp-land/chatlist_cell.xml
index 7bdf36dd4..ec24b492b 100644
--- a/res/layout-sw533dp-land/chatlist_cell.xml
+++ b/res/layout-sw533dp-land/chatlist_cell.xml
@@ -31,28 +31,7 @@
 			android:layout_height="match_parent"
 			android:gravity="center">
 
-			<RelativeLayout
-				android:id="@+id/avatar_layout"
-				android:layout_width="wrap_content"
-				android:layout_height="wrap_content"
-				android:layout_centerHorizontal="true">
-
-				<ImageView
-					android:id="@+id/contact_picture"
-					android:src="@drawable/avatar"
-					android:contentDescription="@string/content_description_contact_picture"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"/>
-
-				<ImageView
-					android:id="@+id/mask"
-					android:src="@drawable/avatar_mask"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"/>
-
-			</RelativeLayout>
+			<include layout="@layout/contact_avatar"/>
 
 			<TextView
 				android:id="@+id/date"
diff --git a/res/layout-sw533dp/chatlist_cell.xml b/res/layout-sw533dp/chatlist_cell.xml
index 49a16515c..6a3d84415 100644
--- a/res/layout-sw533dp/chatlist_cell.xml
+++ b/res/layout-sw533dp/chatlist_cell.xml
@@ -31,28 +31,7 @@
 			android:layout_height="match_parent"
 			android:gravity="center">
 
-			<RelativeLayout
-				android:id="@+id/avatar_layout"
-				android:layout_width="wrap_content"
-				android:layout_height="wrap_content"
-				android:layout_centerHorizontal="true">
-
-				<ImageView
-					android:id="@+id/contact_picture"
-					android:src="@drawable/avatar"
-					android:contentDescription="@string/content_description_contact_picture"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"/>
-
-				<ImageView
-					android:id="@+id/mask"
-					android:src="@drawable/avatar_mask"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"/>
-
-			</RelativeLayout>
+			<include layout="@layout/contact_avatar"/>
 
 			<TextView
 				android:id="@+id/date"
diff --git a/res/layout/chat_imdn_cell.xml b/res/layout/chat_imdn_cell.xml
index 758b09c81..89ad40a54 100644
--- a/res/layout/chat_imdn_cell.xml
+++ b/res/layout/chat_imdn_cell.xml
@@ -32,24 +32,7 @@
             android:layout_height="match_parent"
             android:gravity="center">
 
-            <ImageView
-                android:id="@+id/contact_picture"
-                android:src="@drawable/avatar"
-                android:contentDescription="@string/content_description_contact_picture"
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:adjustViewBounds="true"
-                android:layout_alignParentLeft="true"
-                android:layout_marginLeft="5dp"/>
-
-            <ImageView
-                android:id="@+id/mask"
-                android:src="@drawable/avatar_mask"
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:adjustViewBounds="true"
-                android:layout_alignParentLeft="true"
-                android:layout_marginLeft="5dp"/>
+            <include layout="@layout/contact_avatar"/>
 
         </RelativeLayout>
 
diff --git a/res/layout/chat_infos_cell.xml b/res/layout/chat_infos_cell.xml
index 7e78fe64a..27f8406b1 100644
--- a/res/layout/chat_infos_cell.xml
+++ b/res/layout/chat_infos_cell.xml
@@ -19,24 +19,7 @@
             android:layout_height="match_parent"
             android:gravity="center">
 
-            <ImageView
-                android:id="@+id/contact_picture"
-                android:src="@drawable/avatar"
-                android:contentDescription="@string/content_description_contact_picture"
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:adjustViewBounds="true"
-                android:layout_alignParentLeft="true"
-                android:layout_marginLeft="5dp"/>
-
-            <ImageView
-                android:id="@+id/mask"
-                android:src="@drawable/avatar_mask"
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:adjustViewBounds="true"
-                android:layout_alignParentLeft="true"
-                android:layout_marginLeft="5dp"/>
+            <include layout="@layout/contact_avatar"/>
 
         </RelativeLayout>
 
diff --git a/res/layout/chatlist_cell.xml b/res/layout/chatlist_cell.xml
index cf9185b95..3620a7fdc 100644
--- a/res/layout/chatlist_cell.xml
+++ b/res/layout/chatlist_cell.xml
@@ -32,28 +32,7 @@
 			android:layout_height="match_parent"
 			android:gravity="center">
 
-			<RelativeLayout
-				android:id="@+id/avatar_layout"
-				android:layout_width="wrap_content"
-				android:layout_height="wrap_content"
-				android:layout_centerHorizontal="true">
-
-				<ImageView
-					android:id="@+id/contact_picture"
-					android:src="@drawable/avatar"
-					android:contentDescription="@string/content_description_contact_picture"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"/>
-
-				<ImageView
-					android:id="@+id/mask"
-					android:src="@drawable/avatar_mask"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"/>
-
-			</RelativeLayout>
+			<include layout="@layout/contact_avatar"/>
 
 			<TextView
 				android:id="@+id/date"
diff --git a/res/layout/contact_avatar.xml b/res/layout/contact_avatar.xml
new file mode 100644
index 000000000..1aa9b9c83
--- /dev/null
+++ b/res/layout/contact_avatar.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/avatar_layout"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:gravity="center"
+    android:layout_centerHorizontal="true">
+
+    <ImageView
+        android:id="@+id/contact_picture"
+        android:src="@drawable/avatar"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:adjustViewBounds="true"/>
+
+    <ImageView
+        android:id="@+id/mask"
+        android:src="@drawable/avatar_mask"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:adjustViewBounds="true"/>
+
+    <TextView
+        android:id="@+id/generated_avatar"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:background="@drawable/generated_avatar_bg"
+        style="@style/font25"
+        android:gravity="center"
+        android:maxLines="1"/>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/res/layout/contact_cell.xml b/res/layout/contact_cell.xml
index cec07d952..87f104e29 100644
--- a/res/layout/contact_cell.xml
+++ b/res/layout/contact_cell.xml
@@ -39,24 +39,7 @@
 			android:layout_height="match_parent"
 			android:gravity="center">
 
-			<ImageView
-				android:id="@+id/contact_picture"
-				android:src="@drawable/avatar"
-				android:contentDescription="@string/content_description_contact_picture"
-				android:layout_width="35dp"
-				android:layout_height="35dp"
-				android:adjustViewBounds="true"
-				android:layout_alignParentLeft="true"
-				android:layout_marginLeft="5dp"/>
-
-			<ImageView
-				android:id="@+id/mask"
-				android:src="@drawable/avatar_mask"
-				android:layout_width="35dp"
-				android:layout_height="35dp"
-				android:adjustViewBounds="true"
-				android:layout_alignParentLeft="true"
-				android:layout_marginLeft="5dp"/>
+			<include layout="@layout/contact_avatar"/>
 
 		</RelativeLayout>
 
diff --git a/res/layout/history_cell.xml b/res/layout/history_cell.xml
index 8cfd965a7..1caddbd88 100644
--- a/res/layout/history_cell.xml
+++ b/res/layout/history_cell.xml
@@ -70,24 +70,7 @@
 				android:layout_height="match_parent"
 				android:gravity="center">
 
-				<ImageView
-					android:id="@+id/contact_picture"
-					android:src="@drawable/avatar"
-					android:contentDescription="@string/content_description_contact_picture"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"
-					android:layout_alignParentLeft="true"
-					android:layout_marginLeft="5dp"/>
-
-				<ImageView
-					android:id="@+id/mask"
-					android:src="@drawable/avatar_mask"
-					android:layout_width="35dp"
-					android:layout_height="35dp"
-					android:adjustViewBounds="true"
-					android:layout_alignParentLeft="true"
-					android:layout_marginLeft="5dp"/>
+				<include layout="@layout/contact_avatar"/>
 
 			</RelativeLayout>
 
diff --git a/res/layout/search_contact_cell.xml b/res/layout/search_contact_cell.xml
index c58c0774e..4ea557e04 100644
--- a/res/layout/search_contact_cell.xml
+++ b/res/layout/search_contact_cell.xml
@@ -13,24 +13,7 @@
 		android:layout_height="match_parent"
 		android:gravity="center">
 
-		<ImageView
-			android:id="@+id/contact_picture"
-			android:src="@drawable/avatar"
-			android:contentDescription="@string/content_description_contact_picture"
-			android:layout_width="35dp"
-			android:layout_height="35dp"
-			android:adjustViewBounds="true"
-			android:layout_alignParentLeft="true"
-			android:layout_marginLeft="5dp"/>
-
-		<ImageView
-			android:id="@+id/mask"
-			android:src="@drawable/avatar_mask"
-			android:layout_width="35dp"
-			android:layout_height="35dp"
-			android:adjustViewBounds="true"
-			android:layout_alignParentLeft="true"
-			android:layout_marginLeft="5dp"/>
+		<include layout="@layout/contact_avatar"/>
 
 	</RelativeLayout>
 
diff --git a/src/android/org/linphone/call/CallHistoryAdapter.java b/src/android/org/linphone/call/CallHistoryAdapter.java
index 1114203c2..f8c0e3285 100644
--- a/src/android/org/linphone/call/CallHistoryAdapter.java
+++ b/src/android/org/linphone/call/CallHistoryAdapter.java
@@ -40,6 +40,7 @@ import org.linphone.contacts.LinphoneContact;
 import org.linphone.core.Address;
 import org.linphone.core.Call;
 import org.linphone.core.CallLog;
+import org.linphone.ui.ContactAvatar;
 import org.linphone.ui.SelectableAdapter;
 import org.linphone.ui.SelectableHelper;
 
@@ -55,6 +56,7 @@ public class CallHistoryAdapter extends SelectableAdapter<CallHistoryAdapter.Vie
         public CheckBox select;
         public ImageView callDirection;
         public ImageView contactPicture;
+        public TextView generatedAvatar;
         public RelativeLayout CallContact;
         public LinearLayout separator;
         public TextView separatorText;
@@ -67,6 +69,7 @@ public class CallHistoryAdapter extends SelectableAdapter<CallHistoryAdapter.Vie
             select = view.findViewById(R.id.delete);
             callDirection = view.findViewById(R.id.icon);
             contactPicture = view.findViewById(R.id.contact_picture);
+            generatedAvatar = view.findViewById(R.id.generated_avatar);
             CallContact = view.findViewById(R.id.history_click);
             separator = view.findViewById(R.id.separator);
             separatorText = view.findViewById(R.id.separator_text);
@@ -167,19 +170,22 @@ public class CallHistoryAdapter extends SelectableAdapter<CallHistoryAdapter.Vie
         LinphoneContact c = ContactsManager.getInstance().findContactFromAddress(address);
         String displayName = null;
         final String sipUri = (address != null) ? address.asString() : "";
+
         if (c != null) {
             displayName = c.getFullName();
-            LinphoneUtils.setThumbnailPictureFromUri(LinphoneActivity.instance(), holder.contactPicture, c.getThumbnailUri());
-        } else {
-            holder.contactPicture.setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
         }
-
         if (displayName == null) {
             holder.contact.setText(LinphoneUtils.getAddressDisplayName(sipUri));
         } else {
             holder.contact.setText(displayName);
         }
 
+        if (c != null) {
+            ContactAvatar.displayAvatar(c, holder.contactPicture, holder.generatedAvatar);
+        } else {
+            ContactAvatar.displayAvatar(displayName, holder.generatedAvatar);
+        }
+
         holder.detail.setVisibility(isEditionEnabled() ? View.INVISIBLE : View.VISIBLE);
         holder.detail.setOnClickListener(!isEditionEnabled() ?
                 new View.OnClickListener() {
diff --git a/src/android/org/linphone/chat/ChatRoomViewHolder.java b/src/android/org/linphone/chat/ChatRoomViewHolder.java
index f6f2608c7..6902fad56 100644
--- a/src/android/org/linphone/chat/ChatRoomViewHolder.java
+++ b/src/android/org/linphone/chat/ChatRoomViewHolder.java
@@ -39,6 +39,7 @@ import org.linphone.core.ChatMessage;
 import org.linphone.core.ChatRoom;
 import org.linphone.core.ChatRoomCapabilities;
 import org.linphone.core.Content;
+import org.linphone.ui.ContactAvatar;
 
 public class ChatRoomViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
     private Bitmap mDefaultBitmap;
@@ -51,6 +52,7 @@ public class ChatRoomViewHolder extends RecyclerView.ViewHolder implements View.
     public TextView unreadMessages;
     public CheckBox delete;
     public ImageView contactPicture;
+    public TextView generatedAvatar;
     public ImageView lastMessageFileTransfer;
     public Context mContext;
     public ChatRoom mRoom;
@@ -70,6 +72,7 @@ public class ChatRoomViewHolder extends RecyclerView.ViewHolder implements View.
         unreadMessages = itemView.findViewById(R.id.unreadMessages);
         delete = itemView.findViewById(R.id.delete_chatroom);
         contactPicture = itemView.findViewById(R.id.contact_picture);
+        generatedAvatar = itemView.findViewById(R.id.generated_avatar);
         lastMessageFileTransfer = itemView.findViewById(R.id.lastMessageFileTransfer);
         mListener = listener;
 
@@ -153,14 +156,20 @@ public class ChatRoomViewHolder extends RecyclerView.ViewHolder implements View.
     }
 
     public void getAvatar(ChatRoom mRoom) {
-        LinphoneContact contact = ContactsManager.getInstance().findContactFromAddress(mRoom.getPeerAddress());
-        if (contact != null) {
-            LinphoneUtils.setThumbnailPictureFromUri(LinphoneActivity.instance(), contactPicture, ContactsManager.getInstance().findContactFromAddress(mRoom.getPeerAddress()).getThumbnailUri());
+        if (mRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
+            LinphoneContact contact = ContactsManager.getInstance().findContactFromAddress(mRoom.getPeerAddress());
+            if (contact != null) {
+                ContactAvatar.displayAvatar(contact, contactPicture, generatedAvatar);
+            } else {
+                String username = mRoom.getPeerAddress().getDisplayName();
+                if (username == null) {
+                    username = mRoom.getPeerAddress().getUsername();
+                }
+                ContactAvatar.displayAvatar(username, generatedAvatar);
+            }
         } else {
-            if (mRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt()))
-                contactPicture.setImageBitmap(mDefaultBitmap);
-            else
-                contactPicture.setImageBitmap(mDefaultGroupBitmap);
+            contactPicture.setImageBitmap(mDefaultGroupBitmap);
+            generatedAvatar.setVisibility(View.GONE);
         }
     }
 
diff --git a/src/android/org/linphone/chat/GroupInfoAdapter.java b/src/android/org/linphone/chat/GroupInfoAdapter.java
index 396fb2f93..90643fa77 100644
--- a/src/android/org/linphone/chat/GroupInfoAdapter.java
+++ b/src/android/org/linphone/chat/GroupInfoAdapter.java
@@ -35,6 +35,7 @@ import org.linphone.contacts.ContactAddress;
 import org.linphone.contacts.LinphoneContact;
 import org.linphone.core.ChatRoom;
 import org.linphone.core.Participant;
+import org.linphone.ui.ContactAvatar;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -44,6 +45,7 @@ public class GroupInfoAdapter extends RecyclerView.Adapter<GroupInfoAdapter.View
     public static class ViewHolder extends RecyclerView.ViewHolder {
         public TextView name;
         public ImageView avatar;
+        public TextView generatedAvatar;
         public ImageView delete;
         public LinearLayout isAdmin;
         public LinearLayout isNotAdmin;
@@ -52,6 +54,7 @@ public class GroupInfoAdapter extends RecyclerView.Adapter<GroupInfoAdapter.View
             super(view);
             name = view.findViewById(R.id.name);
             avatar = view.findViewById(R.id.contact_picture);
+            generatedAvatar = view.findViewById(R.id.generated_avatar);
             delete = view.findViewById(R.id.delete);
             isAdmin = view.findViewById(R.id.isAdminLayout);
             isNotAdmin = view.findViewById(R.id.isNotAdminLayout);
@@ -79,11 +82,14 @@ public class GroupInfoAdapter extends RecyclerView.Adapter<GroupInfoAdapter.View
     public void onBindViewHolder(@NonNull final ViewHolder holder, int position) {
         final ContactAddress ca = (ContactAddress) getItem(position);
         LinphoneContact c = ca.getContact();
-        ImageView avatar = holder.avatar;
+
         holder.name.setText((c.getFullName() != null) ? c.getFullName() :
                 (ca.getDisplayName() != null) ? ca.getDisplayName() : ca.getUsername());
-        if (c.hasPhoto()) {
-            LinphoneUtils.setThumbnailPictureFromUri(LinphoneActivity.instance(), avatar, c.getThumbnailUri());
+
+        if (c != null) {
+            ContactAvatar.displayAvatar(c, holder.avatar, holder.generatedAvatar);
+        } else {
+            ContactAvatar.displayAvatar(holder.name.getText().toString(), holder.generatedAvatar);
         }
 
         holder.delete.setOnClickListener(new View.OnClickListener() {
diff --git a/src/android/org/linphone/chat/ImdnFragment.java b/src/android/org/linphone/chat/ImdnFragment.java
index 0246a2c65..c509aecd9 100644
--- a/src/android/org/linphone/chat/ImdnFragment.java
+++ b/src/android/org/linphone/chat/ImdnFragment.java
@@ -45,6 +45,7 @@ import org.linphone.core.ChatMessageListenerStub;
 import org.linphone.core.ChatRoom;
 import org.linphone.core.Core;
 import org.linphone.core.ParticipantImdnState;
+import org.linphone.ui.ContactAvatar;
 
 public class ImdnFragment extends Fragment {
     private LayoutInflater mInflater;
@@ -205,13 +206,15 @@ public class ImdnFragment extends Fragment {
             String participantDisplayName = participantContact != null ? participantContact.getFullName() : LinphoneUtils.getAddressDisplayName(address);
 
             View v = mInflater.inflate(R.layout.chat_imdn_cell, mContainer, false);
+            ImageView contactPicture = v.findViewById(R.id.contact_picture);
+            TextView generatedAvatar = v.findViewById(R.id.generated_avatar);
             v.findViewById(R.id.separator).setVisibility(first ? View.GONE : View.VISIBLE);
             ((TextView) v.findViewById(R.id.time)).setText(LinphoneUtils.timestampToHumanDate(getActivity(), participant.getStateChangeTime(), R.string.messages_date_format));
             ((TextView) v.findViewById(R.id.name)).setText(participantDisplayName);
-            if (participantContact != null && participantContact.hasPhoto()) {
-                LinphoneUtils.setThumbnailPictureFromUri(getActivity(), ((ImageView) v.findViewById(R.id.contact_picture)), participantContact.getThumbnailUri());
+            if (participantContact != null) {
+                ContactAvatar.displayAvatar(participantContact, contactPicture, generatedAvatar);
             } else {
-                ((ImageView) v.findViewById(R.id.contact_picture)).setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
+                ContactAvatar.displayAvatar(participantDisplayName, generatedAvatar);
             }
 
             mRead.addView(v);
@@ -228,13 +231,15 @@ public class ImdnFragment extends Fragment {
             String participantDisplayName = participantContact != null ? participantContact.getFullName() : LinphoneUtils.getAddressDisplayName(address);
 
             View v = mInflater.inflate(R.layout.chat_imdn_cell, mContainer, false);
+            ImageView contactPicture = v.findViewById(R.id.contact_picture);
+            TextView generatedAvatar = v.findViewById(R.id.generated_avatar);
             v.findViewById(R.id.separator).setVisibility(first ? View.GONE : View.VISIBLE);
             ((TextView) v.findViewById(R.id.time)).setText(LinphoneUtils.timestampToHumanDate(getActivity(), participant.getStateChangeTime(), R.string.messages_date_format));
             ((TextView) v.findViewById(R.id.name)).setText(participantDisplayName);
-            if (participantContact != null && participantContact.hasPhoto()) {
-                LinphoneUtils.setThumbnailPictureFromUri(getActivity(), ((ImageView) v.findViewById(R.id.contact_picture)), participantContact.getThumbnailUri());
+            if (participantContact != null) {
+                ContactAvatar.displayAvatar(participantContact, contactPicture, generatedAvatar);
             } else {
-                ((ImageView) v.findViewById(R.id.contact_picture)).setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
+                ContactAvatar.displayAvatar(participantDisplayName, generatedAvatar);
             }
 
             mDelivered.addView(v);
@@ -251,13 +256,15 @@ public class ImdnFragment extends Fragment {
             String participantDisplayName = participantContact != null ? participantContact.getFullName() : LinphoneUtils.getAddressDisplayName(address);
 
             View v = mInflater.inflate(R.layout.chat_imdn_cell, mContainer, false);
+            ImageView contactPicture = v.findViewById(R.id.contact_picture);
+            TextView generatedAvatar = v.findViewById(R.id.generated_avatar);
             v.findViewById(R.id.separator).setVisibility(first ? View.GONE : View.VISIBLE);
             ((TextView) v.findViewById(R.id.time)).setText(LinphoneUtils.timestampToHumanDate(getActivity(), participant.getStateChangeTime(), R.string.messages_date_format));
             ((TextView) v.findViewById(R.id.name)).setText(participantDisplayName);
-            if (participantContact != null && participantContact.hasPhoto()) {
-                LinphoneUtils.setThumbnailPictureFromUri(getActivity(), ((ImageView) v.findViewById(R.id.contact_picture)), participantContact.getThumbnailUri());
+            if (participantContact != null) {
+                ContactAvatar.displayAvatar(participantContact, contactPicture, generatedAvatar);
             } else {
-                ((ImageView) v.findViewById(R.id.contact_picture)).setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
+                ContactAvatar.displayAvatar(participantDisplayName, generatedAvatar);
             }
 
             mSent.addView(v);
@@ -274,12 +281,14 @@ public class ImdnFragment extends Fragment {
             String participantDisplayName = participantContact != null ? participantContact.getFullName() : LinphoneUtils.getAddressDisplayName(address);
 
             View v = mInflater.inflate(R.layout.chat_imdn_cell, mContainer, false);
+            ImageView contactPicture = v.findViewById(R.id.contact_picture);
+            TextView generatedAvatar = v.findViewById(R.id.generated_avatar);
             v.findViewById(R.id.separator).setVisibility(first ? View.GONE : View.VISIBLE);
             ((TextView) v.findViewById(R.id.name)).setText(participantDisplayName);
-            if (participantContact != null && participantContact.hasPhoto()) {
-                LinphoneUtils.setThumbnailPictureFromUri(getActivity(), ((ImageView) v.findViewById(R.id.contact_picture)), participantContact.getThumbnailUri());
+            if (participantContact != null) {
+                ContactAvatar.displayAvatar(participantContact, contactPicture, generatedAvatar);
             } else {
-                ((ImageView) v.findViewById(R.id.contact_picture)).setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
+                ContactAvatar.displayAvatar(participantDisplayName, generatedAvatar);
             }
 
             mUndelivered.addView(v);
diff --git a/src/android/org/linphone/contacts/ContactsListAdapter.java b/src/android/org/linphone/contacts/ContactsListAdapter.java
index 6d6cb624f..983c44968 100644
--- a/src/android/org/linphone/contacts/ContactsListAdapter.java
+++ b/src/android/org/linphone/contacts/ContactsListAdapter.java
@@ -35,6 +35,7 @@ import org.linphone.LinphoneUtils;
 import org.linphone.R;
 import org.linphone.activities.LinphoneActivity;
 import org.linphone.mediastream.Log;
+import org.linphone.ui.ContactAvatar;
 import org.linphone.ui.SelectableAdapter;
 import org.linphone.ui.SelectableHelper;
 
@@ -52,6 +53,7 @@ public class ContactsListAdapter extends SelectableAdapter<ContactsListAdapter.V
         public LinearLayout separator;
         public TextView separatorText;
         public ImageView contactPicture;
+        public TextView generatedAvatar;
         public TextView organization;
         //public ImageView friendStatus;
         private ClickListener mListener;
@@ -65,6 +67,7 @@ public class ContactsListAdapter extends SelectableAdapter<ContactsListAdapter.V
             separator = view.findViewById(R.id.separator);
             separatorText = view.findViewById(R.id.separator_text);
             contactPicture = view.findViewById(R.id.contact_picture);
+            generatedAvatar = view.findViewById(R.id.generated_avatar);
             organization = view.findViewById(R.id.contactOrganization);
             //friendStatus = view.findViewById(R.id.friendStatus);
             mListener = listener;
@@ -130,10 +133,7 @@ public class ContactsListAdapter extends SelectableAdapter<ContactsListAdapter.V
         holder.separator.setVisibility(mIsSearchMode || (!mIsSearchMode && getPositionForSection(getSectionForPosition(position)) != position) ? View.GONE : View.VISIBLE);
         holder.linphoneFriend.setVisibility(contact.isInFriendList() ? View.VISIBLE : View.GONE);
 
-        holder.contactPicture.setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
-        if (contact.hasPhoto()) {
-            LinphoneUtils.setThumbnailPictureFromUri(LinphoneActivity.instance(), holder.contactPicture, contact.getThumbnailUri());
-        }
+        ContactAvatar.displayAvatar(contact, holder.contactPicture, holder.generatedAvatar);
 
         boolean isOrgVisible = mContext.getResources().getBoolean(R.bool.display_contact_organization);
         String org = contact.getOrganization();
diff --git a/src/android/org/linphone/contacts/SearchContactsListAdapter.java b/src/android/org/linphone/contacts/SearchContactsListAdapter.java
index 406a75b62..15e3a576f 100644
--- a/src/android/org/linphone/contacts/SearchContactsListAdapter.java
+++ b/src/android/org/linphone/contacts/SearchContactsListAdapter.java
@@ -39,6 +39,7 @@ import org.linphone.core.PresenceModel;
 import org.linphone.core.ProxyConfig;
 import org.linphone.core.SearchResult;
 import org.linphone.mediastream.Log;
+import org.linphone.ui.ContactAvatar;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -53,6 +54,7 @@ public class SearchContactsListAdapter extends RecyclerView.Adapter<SearchContac
         public ImageView linphoneContact;
         public ImageView isSelect;
         public ImageView avatar;
+        public TextView generatedAvatar;
 
         private ClickListener mListener;
 
@@ -63,6 +65,7 @@ public class SearchContactsListAdapter extends RecyclerView.Adapter<SearchContac
             linphoneContact = view.findViewById(R.id.contact_linphone);
             isSelect = view.findViewById(R.id.contact_is_select);
             avatar = view.findViewById(R.id.contact_picture);
+            generatedAvatar = view.findViewById(R.id.generated_avatar);
             mListener = listener;
             view.setOnClickListener(this);
         }
@@ -120,11 +123,6 @@ public class SearchContactsListAdapter extends RecyclerView.Adapter<SearchContac
         final String a = (contact.getAddressAsDisplayableString().isEmpty()) ? contact.getPhoneNumber() : contact.getAddressAsDisplayableString();
         LinphoneContact c = contact.getContact();
 
-        holder.avatar.setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
-        if (c != null && c.hasPhoto()) {
-            LinphoneUtils.setThumbnailPictureFromUri(LinphoneActivity.instance(), holder.avatar, c.getThumbnailUri());
-        }
-
         String address = contact.getAddressAsDisplayableString();
         if (c != null && c.getFullName() != null) {
             if (address == null)
@@ -146,6 +144,13 @@ public class SearchContactsListAdapter extends RecyclerView.Adapter<SearchContac
         } else {
             holder.name.setVisibility(View.GONE);
         }
+
+        if (c != null) {
+            ContactAvatar.displayAvatar(c, holder.avatar, holder.generatedAvatar);
+        } else {
+            ContactAvatar.displayAvatar(holder.name.getText().toString(), holder.generatedAvatar);
+        }
+
         holder.address.setText(a);
         if (holder.linphoneContact != null) {
             if (contact.isLinphoneContact() && c != null && c.isInFriendList() && address != null) {
diff --git a/src/android/org/linphone/ui/ContactAvatar.java b/src/android/org/linphone/ui/ContactAvatar.java
new file mode 100644
index 000000000..f2beeec60
--- /dev/null
+++ b/src/android/org/linphone/ui/ContactAvatar.java
@@ -0,0 +1,76 @@
+package org.linphone.ui;
+
+/*
+ContactAvatar.java
+Copyright (C) 2010-2018  Belledonne Communications, Grenoble, France
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+import android.graphics.Bitmap;
+import android.provider.MediaStore;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import org.linphone.LinphoneService;
+import org.linphone.LinphoneUtils;
+import org.linphone.contacts.LinphoneContact;
+import org.linphone.mediastream.Log;
+
+import java.io.IOException;
+
+public class ContactAvatar {
+
+    private static String generateAvatar(String displayName) {
+        String[] names = displayName.split(" ");
+        String generatedAvatarText = "";
+        for (String name : names) {
+            generatedAvatarText += name.charAt(0);
+        }
+        return generatedAvatarText.toUpperCase();
+    }
+
+
+    public static void displayAvatar(String displayName, TextView generatedAvatarView) {
+        generatedAvatarView.setText(generateAvatar(displayName));
+        generatedAvatarView.setVisibility(View.VISIBLE);
+    }
+
+    public static void displayAvatar(LinphoneContact contact, ImageView contactPictureView, TextView generatedAvatarView) {
+        Bitmap bm = null;
+
+        if (contact.getThumbnailUri() != null && contact.getThumbnailUri().getScheme().startsWith("http")) {
+            bm = LinphoneUtils.downloadBitmap(contact.getThumbnailUri());
+        } else {
+            if (contact.getThumbnailUri() != null) {
+                try {
+                    bm = MediaStore.Images.Media.getBitmap(LinphoneService.instance().getContentResolver(), contact.getThumbnailUri());
+                } catch (IOException e) {
+                    Log.e(e);
+                }
+            }
+        }
+
+        if (bm != null) {
+            contactPictureView.setImageBitmap(bm);
+            contactPictureView.setVisibility(View.VISIBLE);
+            generatedAvatarView.setVisibility(View.GONE);
+        } else {
+            generatedAvatarView.setText(generateAvatar(contact.getFullName()));
+            generatedAvatarView.setVisibility(View.VISIBLE);
+        }
+    }
+}