commit 85473d0941929a16c7693274ce9b9c43e49a5a62
author Yegor <yjbanov@google.com> Thu Apr 19 18:29:49 2018 -0700
committer Todd Volkert <tvolkert@users.noreply.github.com> Thu Apr 19 18:29:49 2018 -0700
tree 2b1b5f479cefdb4e51c943549a9eb05c9519fc51
parent e7cd5d3867a943d7ccc5a1ad7ebb4628f4f4ef54

retry VMService connection; expect missing PRODUCT_BUNDLE_IDENTIFIER (#16770)

Fixes #13655

packages/flutter_tools/lib/src/ios/mac.dart

diff --git a/packages/flutter_tools/lib/src/ios/mac.dart b/packages/flutter_tools/lib/src/ios/mac.dart
index 619c082..3be658d 100644
--- a/packages/flutter_tools/lib/src/ios/mac.dart
+++ b/packages/flutter_tools/lib/src/ios/mac.dart
@@ -516,7 +516,7 @@
   }
   if (result.xcodeBuildExecution != null &&
       result.xcodeBuildExecution.buildForPhysicalDevice &&
-      result.xcodeBuildExecution.buildSettings['PRODUCT_BUNDLE_IDENTIFIER'].contains('com.example')) {
+      result.xcodeBuildExecution.buildSettings['PRODUCT_BUNDLE_IDENTIFIER']?.contains('com.example') == true) {
     printError('');
     printError('It appears that your application still contains the default signing identifier.');
     printError("Try replacing 'com.example' with your signing id in Xcode:");