From a6f2899b758b689b6a5b018803bb7abe166a57a2 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Fri, 16 Oct 2020 11:12:22 +0800
Subject: [PATCH] Fix crash in anonymous mode in MainActivity.

---
 .../infinityforreddit/Activity/MainActivity.java           | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
index 4d42621e..79481f1e 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
@@ -31,7 +31,6 @@ import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -64,7 +63,6 @@ import javax.inject.Named;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
-import ml.docilealligator.infinityforreddit.Account.Account;
 import ml.docilealligator.infinityforreddit.Account.AccountViewModel;
 import ml.docilealligator.infinityforreddit.ActivityToolbarInterface;
 import ml.docilealligator.infinityforreddit.Adapter.NavigationDrawerRecyclerViewAdapter;
@@ -835,9 +833,8 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
         accountViewModel = new ViewModelProvider(this,
                 new AccountViewModel.Factory(getApplication(), mRedditDataRoomDatabase, mAccountName)).get(AccountViewModel.class);
         accountViewModel.getAccountsExceptCurrentAccountLiveData().observe(this, adapter::changeAccountsDataset);
-        accountViewModel.getCurrentAccountLiveData().observe(this, new Observer<Account>() {
-            @Override
-            public void onChanged(Account account) {
+        accountViewModel.getCurrentAccountLiveData().observe(this, account -> {
+            if (account != null) {
                 adapter.updateKarma(account.getKarma());
             }
         });