Unregistered users should have 0 badge count

// FREEBIE

Signal/src/AppDelegate.m

@@ -169,6 +169,9 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
         ifRegistered:NO
             runAsync:^{
                 dispatch_async(dispatch_get_main_queue(), ^{
+                    // Unregistered user should have no unread messages. e.g. if you delete your account.
+                    [[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];
+
                     DDLogInfo(@"%@ running post launch block for unregistered user.", self.tag);
                     [TSSocketManager requestSocketOpen];
 

Signal/src/environment/Environment.m

@@ -242,6 +242,8 @@ static Environment *environment = nil;
 
     [[TSStorageManager sharedManager] resetSignalStorage];
     [Environment.preferences clear];
+    [[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];
+
     [DebugLogger.sharedLogger wipeLogs];
     exit(0);
 }