drop iOS6 support

1 files changed, 3 insertions, 16 deletions

diff --git a/Juick/ViewControllers/MessagesViewController.m b/Juick/ViewControllers/MessagesViewController.m
index 28e7613..3a420e1 100644
--- a/Juick/ViewControllers/MessagesViewController.m
+++ b/Juick/ViewControllers/MessagesViewController.m
@@ -95,22 +95,18 @@ static NSString *CellIdentifier = @"MessageCell";
 - (void)viewDidAppear:(BOOL)animated
 {
     [super viewDidAppear:animated];
-    if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
-        [[NSNotificationCenter defaultCenter] addObserver:self
+    [[NSNotificationCenter defaultCenter] addObserver:self
                                                  selector:@selector(contentSizeCategoryChanged:)
                                                  name:UIContentSizeCategoryDidChangeNotification
                                                    object:nil];
-    }
 }
 
 - (void)viewDidDisappear:(BOOL)animated
 {
     [super viewDidDisappear:animated];
-    if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
-        [[NSNotificationCenter defaultCenter] removeObserver:self
+    [[NSNotificationCenter defaultCenter] removeObserver:self
                                                         name:UIContentSizeCategoryDidChangeNotification
-                                                        object:nil];
-    }
+                                                        object:nil];    
 }
 
 - (void)contentSizeCategoryChanged:(NSNotification *)notification
@@ -131,7 +127,6 @@ static NSString *CellIdentifier = @"MessageCell";
     Message *msg = [_messages objectAtIndex:indexPath.row];
     [cell setMessage:msg];
     if ([msg.attach length] > 0) {
-        __weak MessagesViewController * weakSelf = self;
         [cell.attach yy_setImageWithURL:[NSURL URLWithString:msg.attach] placeholder:[UIImage imageNamed:@"AttachPlaceholder"] options:YYWebImageOptionProgressiveBlur | YYWebImageOptionSetImageWithFadeAnimation completion:^(UIImage * _Nullable image, NSURL * _Nonnull url, YYWebImageFromType from, YYWebImageStage stage, NSError * _Nullable error) {
             dispatch_async(dispatch_get_main_queue(), ^{
                 [cell setNeedsUpdateConstraints];
@@ -157,14 +152,6 @@ static NSString *CellIdentifier = @"MessageCell";
     [self.navigationController pushViewController:threadViewController animated:NO];
 }
 
--(void)splitViewController:(UISplitViewController *)svc willShowViewController:(UIViewController *)aViewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem {
-    self.navigationItem.leftBarButtonItem = nil;
-}
-
--(void)splitViewController:(UISplitViewController *)svc willHideViewController:(UIViewController *)aViewController withBarButtonItem:(UIBarButtonItem *)barButtonItem forPopoverController:(UIPopoverController *)pc {
-    self.navigationItem.leftBarButtonItem = barButtonItem;
-}
-
 -(void)scrollViewDidScroll:(UIScrollView *)scrollView_ {
     CGFloat actualPosition = scrollView_.contentOffset.y;
     CGFloat contentHeight = scrollView_.contentSize.height - scrollView_.contentSize.height / 2;