fix #216 解决iOS11以下系统预览网络视频crash的bug

longitachi · Apr 21, 2018 · 39791a3 · 39791a3
1 parent f556669
commit 39791a3
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/PhotoBrowser/ZLBigImageCell.m b/PhotoBrowser/ZLBigImageCell.m
@@ -939,8 +939,6 @@ @implementation ZLPreviewNetVideo
 - (void)dealloc
 {
     [[NSNotificationCenter defaultCenter] removeObserver:self];
-    [self.playLayer.player.currentItem removeObserver:self forKeyPath:@"playbackBufferEmpty"];
-    [self.playLayer.player.currentItem removeObserver:self forKeyPath:@"playbackLikelyToKeepUp"];
 }
 
 - (void)layoutSubviews
@@ -1010,6 +1008,9 @@ - (void)loadNetVideo:(NSURL *)url
 
 - (void)seekToZero
 {
+    [self.playLayer.player.currentItem removeObserver:self forKeyPath:@"playbackBufferEmpty"];
+    [self.playLayer.player.currentItem removeObserver:self forKeyPath:@"playbackLikelyToKeepUp"];
+
     AVPlayer *player = self.playLayer.player;
     [player.currentItem seekToTime:kCMTimeZero];
 }