From 80b71b19228c019a391f50035694f5222951d4a5 Mon Sep 17 00:00:00 2001
From: YasirYang <yingliang.yang@xiaoniangao.cn>
Date: Mon, 5 Feb 2018 21:04:07 +0800
Subject: [PATCH] fix crash bug

---
 ios/RCTVideo.m | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/ios/RCTVideo.m b/ios/RCTVideo.m
index 0f1227b1..e4548e72 100644
--- a/ios/RCTVideo.m
+++ b/ios/RCTVideo.m
@@ -732,7 +732,10 @@ static NSString *const timedMetadata = @"timedMetadata";
 - (void)removePlayerLayer
 {
     [_playerLayer removeFromSuperlayer];
-    [_playerLayer removeObserver:self forKeyPath:readyForDisplayKeyPath];
+    @try{
+        [_playerLayer removeObserver:self forKeyPath:readyForDisplayKeyPath];
+    }@catch (NSException * e) {
+    }
     _playerLayer = nil;
 }
 
@@ -823,7 +826,10 @@ static NSString *const timedMetadata = @"timedMetadata";
 {
   [_player pause];
   if (_playbackRateObserverRegistered) {
-    [_player removeObserver:self forKeyPath:playbackRate context:nil];
+    @try{
+      [_player removeObserver:self forKeyPath:playbackRate context:nil];
+    }@catch (NSException * e) {
+    }
     _playbackRateObserverRegistered = NO;
   }
   _player = nil;