on pause, checking if the last segment exists

Author: maxs15

ios/RNRecorderManager.m

@@ -52,12 +52,14 @@ - (UIView *)view
 
         SCRecordSessionSegment* ls = [_recorderView lastSegment];
 
-        NSString *thumbnail = [_recorderView saveImage:ls.thumbnail];
-        NSString *url = [ls.url relativeString];
-        float duration = CMTimeGetSeconds(ls.duration);
-        
-        NSDictionary *props = @{@"url": url, @"thumbnail":thumbnail, @"duration":@(duration)};
-        callback(@[props]);
+        if (ls != nil) {
+            NSString *thumbnail = [_recorderView saveImage:ls.thumbnail];
+            NSString *url = [ls.url relativeString];
+            float duration = CMTimeGetSeconds(ls.duration);
+
+            NSDictionary *props = @{@"url": url, @"thumbnail":thumbnail, @"duration":@(duration)};
+            callback(@[props]);
+        }
 
     }];
 }