From f397735f4ef56cc287e3345d23eac91909e3e2f3 Mon Sep 17 00:00:00 2001
From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Fri, 3 May 2019 19:07:06 +0300
Subject: [PATCH] properly detect when profile list hasn't loaded yet

---
 app/src/main/java/net/ktnx/mobileledger/model/Data.java   | 5 ++---
 .../net/ktnx/mobileledger/ui/activity/MainActivity.java   | 8 ++++++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/net/ktnx/mobileledger/model/Data.java b/app/src/main/java/net/ktnx/mobileledger/model/Data.java
index 2a6f0d5f..7687d237 100644
--- a/app/src/main/java/net/ktnx/mobileledger/model/Data.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/Data.java
@@ -50,7 +50,7 @@ public final class Data {
     public static MutableLiveData<Date> lastUpdateDate = new MutableLiveData<>();
     public static MutableLiveData<MobileLedgerProfile> profile = new MutableLiveData<>();
     public static MutableLiveData<ArrayList<MobileLedgerProfile>> profiles =
-            new MutableLiveData<>(new ArrayList<>());
+            new MutableLiveData<>(null);
     public static ObservableValue<Boolean> optShowOnlyStarred = new ObservableValue<>();
     public static MutableLiveData<String> accountFilter = new MutableLiveData<>();
     private static AtomicInteger backgroundTaskCount = new AtomicInteger(0);
@@ -117,8 +117,7 @@ public final class Data {
         MobileLedgerProfile profile;
         try (LockHolder readLock = profilesLocker.lockForReading()) {
             List<MobileLedgerProfile> prList = profiles.getValue();
-            assert prList != null;
-            if (prList.isEmpty()) {
+            if ((prList == null) || prList.isEmpty()) {
                 readLock.close();
                 try (LockHolder ignored = profilesLocker.lockForWriting()) {
                     profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java b/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
index e7e534fe..484bcb01 100644
--- a/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
@@ -342,6 +342,14 @@ public class MainActivity extends ProfileThemedActivity {
         sm.setDynamicShortcuts(shortcuts);
     }
     private void onProfileListChanged(List<MobileLedgerProfile> newList) {
+        if (newList == null) {
+            // profiles not yet loaded from DB
+            findViewById(R.id.loading_layout).setVisibility(View.VISIBLE);
+            findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
+            findViewById(R.id.pager_layout).setVisibility(View.GONE);
+            return;
+        }
+
         if (newList.isEmpty()) {
             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
             findViewById(R.id.pager_layout).setVisibility(View.GONE);
-- 
2.39.2