Fix odd animation when opening a document on iOS.

The background colour of the MuDocumentController's root view wasn't set,
so the MuLibraryController was showing through until it had been removed
from the screen.

Fix by setting the background colour to gray - the same colour as the
window.

1 files changed, 1 insertions, 0 deletions

diff --git a/platform/ios/Classes/MuDocumentController.m b/platform/ios/Classes/MuDocumentController.m
index 35982ba7..752eaff0 100644
--- a/platform/ios/Classes/MuDocumentController.m
+++ b/platform/ios/Classes/MuDocumentController.m
@@ -203,6 +203,7 @@ static void saveDoc(char *current_path, fz_document *doc)
 	UIView *view = [[UIView alloc] initWithFrame: CGRectZero];
 	[view setAutoresizingMask: UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight];
 	[view setAutoresizesSubviews: YES];
+	view.backgroundColor = [UIColor grayColor];
 
 	canvas = [[UIScrollView alloc] initWithFrame: CGRectMake(0,0,GAP,0)];
 	[canvas setAutoresizingMask: UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight];