From fba29ddbdd0958b953d1da82cb9e22989580e804 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Sun, 17 Oct 2021 07:02:00 +0200
Subject: [PATCH] Prevent crash

---
 .../main/java/eu/faircode/email/FragmentSetup.java    | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/eu/faircode/email/FragmentSetup.java b/app/src/main/java/eu/faircode/email/FragmentSetup.java
index 30a3f65056..2431599b49 100644
--- a/app/src/main/java/eu/faircode/email/FragmentSetup.java
+++ b/app/src/main/java/eu/faircode/email/FragmentSetup.java
@@ -55,6 +55,7 @@ import androidx.cardview.widget.CardView;
 import androidx.constraintlayout.widget.Group;
 import androidx.core.view.MenuCompat;
 import androidx.fragment.app.FragmentActivity;
+import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.Observer;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import androidx.preference.PreferenceManager;
@@ -748,7 +749,7 @@ public class FragmentSetup extends FragmentBase {
             view.post(new Runnable() {
                 @Override
                 public void run() {
-                    tvNoInternet.setVisibility(View.GONE);
+                    updateInternet(true);
                 }
             });
         }
@@ -758,10 +759,16 @@ public class FragmentSetup extends FragmentBase {
             view.post(new Runnable() {
                 @Override
                 public void run() {
-                    tvNoInternet.setVisibility(View.VISIBLE);
+                    updateInternet(false);
                 }
             });
         }
+
+        private void updateInternet(boolean available) {
+            if (!getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED))
+                return;
+            tvNoInternet.setVisibility(available ? View.GONE : View.VISIBLE);
+        }
     };
 
     public static class FragmentDialogDoze extends FragmentDialogBase {