Merge pull request #210 from ParsePlatform/nlutsenko.mainThread

nlutsenko · nlutsenko · commit 7db4afccbef4 · 2015-11-30T13:33:26.000-08:00
Fix potential crash when calling UI code from background thread.
diff --git a/ParseUI/Classes/QueryTableViewController/PFQueryTableViewController.m b/ParseUI/Classes/QueryTableViewController/PFQueryTableViewController.m
@@ -21,6 +21,7 @@
 
 #import "PFQueryTableViewController.h"
 
+#import <Bolts/BFExecutor.h>
 #import <Bolts/BFTask.h>
 #import <Bolts/BFTaskCompletionSource.h>
 
@@ -397,8 +398,8 @@ - (void)removeObjectsAtIndexPaths:(NSArray *)indexPaths animated:(BOOL)animated
         [allDeletionTasks addObject:[obj deleteInBackground]];
     }
 
-    [[BFTask taskForCompletionOfAllTasks:allDeletionTasks]
-     continueWithBlock:deletionHandlerBlock];
+    [[BFTask taskForCompletionOfAllTasks:allDeletionTasks] continueWithExecutor:[BFExecutor mainThreadExecutor]
+                                                                      withBlock:deletionHandlerBlock];
 }
 
 - (PFTableViewCell *)tableView:(UITableView *)otherTableView cellForNextPageAtIndexPath:(NSIndexPath *)indexPath {

Original file line number	Diff line number	Diff line change
`@@ -21,6 +21,7 @@`
`21`	`21`
`22`	`22`	`#import "PFQueryTableViewController.h"`
`23`	`23`
	`24`	`+#import <Bolts/BFExecutor.h>`
`24`	`25`	`#import <Bolts/BFTask.h>`
`25`	`26`	`#import <Bolts/BFTaskCompletionSource.h>`
`26`	`27`
`@@ -397,8 +398,8 @@ - (void)removeObjectsAtIndexPaths:(NSArray *)indexPaths animated:(BOOL)animated`
`397`	`398`	`[allDeletionTasks addObject:[obj deleteInBackground]];`
`398`	`399`	`}`
`399`	`400`
`400`		`- [[BFTask taskForCompletionOfAllTasks:allDeletionTasks]`
`401`		`- continueWithBlock:deletionHandlerBlock];`
	`401`	`+ [[BFTask taskForCompletionOfAllTasks:allDeletionTasks] continueWithExecutor:[BFExecutor mainThreadExecutor]`
	`402`	`+ withBlock:deletionHandlerBlock];`
`402`	`403`	`}`
`403`	`404`
`404`	`405`	`- (PFTableViewCell )tableView:(UITableView )otherTableView cellForNextPageAtIndexPath:(NSIndexPath *)indexPath {`