observer leak bug fix

fix a observer leak if the developer set the show status to YES before add the handler.
bestwnh · Sep 28, 2014 · afe760c · afe760c · dennisreimann · Oct 5, 2014
1 parent a5f9dfe
commit afe760c
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diff --git a/SVPullToRefresh/UIScrollView+SVInfiniteScrolling.m b/SVPullToRefresh/UIScrollView+SVInfiniteScrolling.m
@@ -83,6 +83,10 @@ - (SVInfiniteScrollingView *)infiniteScrollingView {
 }
 
 - (void)setShowsInfiniteScrolling:(BOOL)showsInfiniteScrolling {
+
+    if (!self.infiniteScrollingView)
+        return;
+
     self.infiniteScrollingView.hidden = !showsInfiniteScrolling;
 
     if(!showsInfiniteScrolling) {

diff --git a/SVPullToRefresh/UIScrollView+SVPullToRefresh.m b/SVPullToRefresh/UIScrollView+SVPullToRefresh.m
@@ -115,6 +115,10 @@ - (SVPullToRefreshView *)pullToRefreshView {
 }
 
 - (void)setShowsPullToRefresh:(BOOL)showsPullToRefresh {
+
+    if (!self.pullToRefreshView)
+        return;
+
     self.pullToRefreshView.hidden = !showsPullToRefresh;
 
     if(!showsPullToRefresh) {