From 5e8cbd13cf91ce0096b2c94d26bea8e8f292c5aa Mon Sep 17 00:00:00 2001
From: Jason Simmons <jsimmons@google.com>
Date: Sun, 27 Feb 2022 18:08:16 -0800
Subject: [PATCH] Revert "Change FlutterViewController default opaque value to
 NO (#30664)"

This reverts commit df562b8e2b7eb90b16876d4c50d7480c9294eb93.

See https://github.com/flutter/flutter/issues/99249
---
 .../ios/framework/Source/FlutterViewController.mm      |  4 ++--
 .../ios/framework/Source/FlutterViewControllerTest.mm  | 10 ----------
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/shell/platform/darwin/ios/framework/Source/FlutterViewController.mm b/shell/platform/darwin/ios/framework/Source/FlutterViewController.mm
index e1399d4cd9d9c..08f44786fb04e 100644
--- a/shell/platform/darwin/ios/framework/Source/FlutterViewController.mm
+++ b/shell/platform/darwin/ios/framework/Source/FlutterViewController.mm
@@ -120,7 +120,7 @@ - (instancetype)initWithEngine:(FlutterEngine*)engine
   NSAssert(engine != nil, @"Engine is required");
   self = [super initWithNibName:nibName bundle:nibBundle];
   if (self) {
-    _viewOpaque = NO;
+    _viewOpaque = YES;
     if (engine.viewController) {
       FML_LOG(ERROR) << "The supplied FlutterEngine " << [[engine description] UTF8String]
                      << " is already used with FlutterViewController instance "
@@ -203,7 +203,7 @@ - (void)sharedSetupWithProject:(nullable FlutterDartProject*)project
     return;
   }
 
-  _viewOpaque = NO;
+  _viewOpaque = YES;
   _weakFactory = std::make_unique<fml::WeakPtrFactory<FlutterViewController>>(self);
   _engine = std::move(engine);
   _flutterView.reset([[FlutterView alloc] initWithDelegate:_engine opaque:self.isViewOpaque]);
diff --git a/shell/platform/darwin/ios/framework/Source/FlutterViewControllerTest.mm b/shell/platform/darwin/ios/framework/Source/FlutterViewControllerTest.mm
index e9527d72c16db..a91101c36807b 100644
--- a/shell/platform/darwin/ios/framework/Source/FlutterViewControllerTest.mm
+++ b/shell/platform/darwin/ios/framework/Source/FlutterViewControllerTest.mm
@@ -168,16 +168,6 @@ - (void)tearDown {
   self.messageSent = nil;
 }
 
-- (void)testFlutterViewControllerViewOpaue {
-  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
-  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
-  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
-                                                                                nibName:nil
-                                                                                 bundle:nil];
-  // The FlutterViewController's FlutterViewLayer Opaque default is NO
-  XCTAssertFalse(viewController.isViewOpaque);
-}
-
 - (void)testkeyboardWillChangeFrameWillStartKeyboardAnimation {
   FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
   [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];