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iOS intermitent black screen on startup #24688

@binoypatel

Description

@binoypatel

Hi

With referenced to #10099, I am still having this issue on 0.11.9, I changed the code from:

- (BOOL)application:(UIApplication *)application
    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  [GeneratedPluginRegistrant registerWithRegistry:self];
  // Override point for customization after application launch.
  return [super application:application didFinishLaunchingWithOptions:launchOptions];
}

to

- (BOOL)application:(UIApplication *)application
    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  [GeneratedPluginRegistrant registerWithRegistry:self];
  // Override point for customization after application launch.
    FlutterViewController *controller = (FlutterViewController*)self.window.rootViewController;
    controller.view.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    return YES;
}

and it started working, here is sample video to demonstrate the problem:

out

this application was created using flutter create with all defaults. Can you please let me know if I need to apply the fix or is it something I am doing wrong?

NOTE: Android works fine (no black screen etc.)

flutter doctor -v
✓] Flutter (Channel beta, v0.11.9, on Mac OS X 10.14.1 18B75, locale en-CA)
    • Flutter version 0.11.9 at /Users/xxx/flutter
    • Framework revision d48e6e433c (3 days ago), 2018-11-20 22:05:23 -0500
    • Engine revision 5c8147450d
    • Dart version 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)

[✓] Android toolchain - develop for Android devices (Android SDK 28.0.3)
    • Android SDK at /Users/xxx/Library/Android/sdk
    • Android NDK location not configured (optional; useful for native profiling
      support)
    • Platform android-28, build-tools 28.0.3
    • Java binary at: /Applications/Android
      Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build
      1.8.0_152-release-1136-b06)
    • All Android licenses accepted.

[✓] iOS toolchain - develop for iOS devices (Xcode 10.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 10.1, Build version 10B61
    • ios-deploy 1.9.4
    • CocoaPods version 1.5.3

[✓] Android Studio (version 3.2)
    • Android Studio at /Applications/Android Studio.app/Contents
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
    • Java version OpenJDK Runtime Environment (build
      1.8.0_152-release-1136-b06)

[✓] VS Code (version 1.29.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 2.20.0

[✓] Connected device (2 available)

Thanks,
Binoy

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