CupertinoAlertDialog and CupertinoActionSheet working with error in IOS

[AkioAlex0817]

Hi.
Thanks for your awesome package.
If the widget contains a rating bar, CupertinoAlert Dialog, and CupertinoActionSheet working with the error in IOS. Android works well.
This is an issue screen.

Sorry for my screen image.
This is a screenshot for the ios showCupertinoAlertDialog method.
CupertinoActionSheet as the same as this.

This is my flutter doctor -v
[✓] Flutter (Channel stable, v1.17.4, on Mac OS X 10.15.5 19F101, locale en-CN)
• Flutter version 1.17.4 at /Volumes/Work/Tools/5.Flutter/flutter-stable
• Framework revision 1ad9baa8b9 (5 days ago), 2020-06-17 14:41:16 -0700
• Engine revision ee76268252
• Dart version 2.8.4

[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
• Android SDK at /Users/alex/Library/Android/sdk
• Platform android-29, build-tools 29.0.3
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6222593)
• All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 11.5)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 11.5, Build version 11E608c
• CocoaPods version 1.9.3

[✓] Android Studio (version 4.0)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin version 46.0.2
• Dart plugin version 193.7361
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6222593)

[✓] Connected device (1 available)
• iPhone SE (2nd generation) • E7FBB639-E762-4501-BB3E-7F7E2233F79C • ios • com.apple.CoreSimulator.SimRuntime.iOS-13-5 (simulator)

• No issues found!

[sarbagyastha]

Seems to be working fine with the latest update. Please reopen if the issue persists.