Animate updates to notifications (and other) lists

app/src/main/java/app/insti/adapter/CardAdapter.java

@@ -38,6 +38,7 @@ public abstract class CardAdapter<T extends CardInterface> extends RecyclerView.
     public CardAdapter(List<T> tList, Fragment fragment) {
         this.tList = tList;
         mFragment = fragment;
+        this.setHasStableIds(true);
     }
 
     @Override
@@ -114,6 +115,11 @@ public abstract class CardAdapter<T extends CardInterface> extends RecyclerView.
         else return 2;
     }
 
+    @Override
+    public long getItemId(int position) {
+        return tList.get(position).getId();
+    }
+
     @Override
     public int getItemCount() {
         return tList.size();

app/src/main/java/app/insti/api/model/Body.java

@@ -184,6 +184,10 @@ public class Body implements CardInterface {
         this.bodyRoles = bodyRoles;
     }
 
+    public long getId() {
+        return getBodyID().hashCode();
+    }
+
     public String getTitle() {
         return getBodyName();
     }

app/src/main/java/app/insti/api/model/Event.java

@@ -243,6 +243,10 @@ public class Event implements CardInterface {
         return Objects.hash(eventID);
     }
 
+    public long getId() {
+        return hashCode();
+    }
+
     public String getTitle() {
         return getEventName();
     }

app/src/main/java/app/insti/api/model/Notification.java

@@ -79,6 +79,10 @@ public class Notification implements CardInterface {
         this.notificationActor = notificationActor;
     }
 
+    public long getId() {
+        return getNotificationId().hashCode();
+    }
+
     public String getTitle() {
         if (isEvent()) {
             return getEvent().getEventName();

app/src/main/java/app/insti/api/model/Role.java

@@ -121,6 +121,10 @@ public class Role implements CardInterface {
         this.roleUsersDetail = roleUsersDetail;
     }
 
+    public long getId() {
+        return getRoleID().hashCode();
+    }
+
     public String getTitle() {
         return getRoleBodyDetails().getBodyName();
     }

app/src/main/java/app/insti/api/model/User.java

@@ -238,6 +238,10 @@ public class User implements CardInterface {
         return new Gson().toJson(this);
     }
 
+    public long getId() {
+        return getUserID().hashCode();
+    }
+
     public String getTitle() {
         return getUserName();
     }

app/src/main/java/app/insti/interfaces/CardInterface.java

 package app.insti.interfaces;
 
 public interface CardInterface {
+    long getId();
     String getTitle();
     String getSubtitle();
     String getAvatarUrl();