Improve the upgrade screen.

// FREEBIE

Signal/src/AppDelegate.m

@@ -214,14 +214,30 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
         if (!iconView) {
             OWSFail(@"Database view registration overlay has unexpected contents.");
         } else {
-            UILabel *label = [UILabel new];
-            label.text = NSLocalizedString(
-                @"DATABASE_VIEW_OVERLAY_TITLE", @"Indicates that the app is updating its database.");
-            label.font = [UIFont ows_mediumFontWithSize:18.f];
-            label.textColor = [UIColor whiteColor];
-            [rootView addSubview:label];
-            [label autoHCenterInSuperview];
-            [label autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:iconView withOffset:25.f];
+            UILabel *bottomLabel = [UILabel new];
+            bottomLabel.text = NSLocalizedString(
+                @"DATABASE_VIEW_OVERLAY_SUBTITLE", @"Subtitle shown while the app is updating its database.");
+            bottomLabel.font = [UIFont ows_mediumFontWithSize:16.f];
+            bottomLabel.textColor = [UIColor whiteColor];
+            bottomLabel.numberOfLines = 0;
+            bottomLabel.lineBreakMode = NSLineBreakByWordWrapping;
+            bottomLabel.textAlignment = NSTextAlignmentCenter;
+            [rootView addSubview:bottomLabel];
+
+            UILabel *topLabel = [UILabel new];
+            topLabel.text = NSLocalizedString(
+                @"DATABASE_VIEW_OVERLAY_TITLE", @"Title shown while the app is updating its database.");
+            topLabel.font = [UIFont ows_mediumFontWithSize:20.f];
+            topLabel.textColor = [UIColor whiteColor];
+            topLabel.numberOfLines = 0;
+            topLabel.lineBreakMode = NSLineBreakByWordWrapping;
+            topLabel.textAlignment = NSTextAlignmentCenter;
+            [rootView addSubview:topLabel];
+
+            [bottomLabel autoPinWidthToSuperviewWithMargin:20.f];
+            [topLabel autoPinWidthToSuperviewWithMargin:20.f];
+            [bottomLabel autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:topLabel withOffset:10.f];
+            [iconView autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:bottomLabel withOffset:40.f];
         }
     }
 

Signal/translations/en.lproj/Localizable.strings

@@ -328,7 +328,10 @@
 /* Accessibility label for the create group new group button */
 "CREATE_NEW_GROUP" = "Create new group";
 
-/* Indicates that the app is updating its database. */
+/* Subtitle shown while the app is updating its database. */
+"DATABASE_VIEW_OVERLAY_SUBTITLE" = "This can take a couple of minutes. Please be patient.";
+
+/* Title shown while the app is updating its database. */
 "DATABASE_VIEW_OVERLAY_TITLE" = "Updating Database";
 
 /* {{number of days}} embedded in strings, e.g. 'Alice updated disappearing messages expiration to {{5 days}}'. See other *_TIME_AMOUNT strings */