[incubator-weex] branch master updated: Update WXRecyclerUpdateController.m

[mo...@apache.org]

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moshen pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-weex.git


The following commit(s) were added to refs/heads/master by this push:
     new 320979e  Update WXRecyclerUpdateController.m
     new ff7b42b  Merge pull request #1190 from AntiMoron/master
320979e is described below

commit 320979ece56e10c76ff6b7239c0fb360f76437ff
Author: AntiMoron <an...@gmail.com>
AuthorDate: Tue May 22 12:13:19 2018 +0800

    Update WXRecyclerUpdateController.m
    
    Fix one crash.
    
    ```
    *** -[__NSDictionaryM setObject:forKey:]: key cannot be nil
    ```
    
    This exception will be yelled at line 167.
---
 ios/sdk/WeexSDK/Sources/Component/Recycler/WXRecyclerUpdateController.m | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ios/sdk/WeexSDK/Sources/Component/Recycler/WXRecyclerUpdateController.m b/ios/sdk/WeexSDK/Sources/Component/Recycler/WXRecyclerUpdateController.m
index 7435c8d..5f92f29 100644
--- a/ios/sdk/WeexSDK/Sources/Component/Recycler/WXRecyclerUpdateController.m
+++ b/ios/sdk/WeexSDK/Sources/Component/Recycler/WXRecyclerUpdateController.m
@@ -146,6 +146,7 @@
         [self.delegate updateController:self willPerformUpdateWithNewData:newData];
         [UIView setAnimationsEnabled:NO];
         WXLogDebug(@"UICollectionView update:%@", diffResult);
+        if(!diffResult.hasChanges) { return ; }
         [self applyUpdate:diffResult toCollectionView:self.collectionView];
     } copy];