Fixed thread pool simple task

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -209,6 +209,8 @@ public class FragmentMessages extends FragmentEx {
         });
 
         rvMessage.setHasFixedSize(false);
+        //rvMessage.setItemViewCacheSize(10);
+        //rvMessage.getRecycledViewPool().setMaxRecycledViews(0, 10);
         LinearLayoutManager llm = new LinearLayoutManager(getContext());
         rvMessage.setLayoutManager(llm);
 

app/src/main/java/eu/faircode/email/SimpleTask.java

@@ -47,7 +47,7 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
     private Bundle args;
     private Result stored;
 
-    private ExecutorService executor = Executors.newCachedThreadPool(Helper.backgroundThreadFactory);
+    private static ExecutorService executor = Executors.newCachedThreadPool(Helper.backgroundThreadFactory);
 
     public void load(Context context, LifecycleOwner owner, Bundle args) {
         run(context, owner, args);