Not working with latest flutter 1.12.13

[Faiyyaz]

Compiler message:
../../Flutter/SDK/flutter/.pub-cache/hosted/pub.dartlang.org/zefyr-0.8.0/lib/src/widgets/input.dart:11:7: Error: The non-abstract class 'InputConnectionController' is missing implementations for these members:
 - TextInputClient.connectionClosed
Try to either
 - provide an implementation,
 - inherit an implementation from a superclass or mixin,
 - mark the class as abstract, or
 - provide a 'noSuchMethod' implementation.

class InputConnectionController implements TextInputClient {
      ^^^^^^^^^^^^^^^^^^^^^^^^^
../../Flutter/SDK/flutter/packages/flutter/lib/src/services/text_input.dart:661:8: Context: 'TextInputClient.connectionClosed' is defined here.
  void connectionClosed();
       ^^^^^^^^^^^^^^^^
Target kernel_snapshot failed: Exception: Errors during snapshot creation: null
Failed to build bundle.
Error launching application on iPhone X.

[✓] Flutter (Channel stable, v1.12.13+hotfix.5, on Mac OS X 10.14.6 18G103, locale en-GB)
    • Flutter version 1.12.13+hotfix.5 at /Users/faiyyazkhatri/StudioProjects/Flutter/SDK/flutter
    • Framework revision 27321ebbad (2 weeks ago), 2019-12-10 18:15:01 -0800
    • Engine revision 2994f7e1e6
    • Dart version 2.7.0

 
[!] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    • Android SDK at /Users/faiyyazkhatri/Library/Android/sdk/
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-29, build-tools 29.0.2
    • ANDROID_HOME = /Users/faiyyazkhatri/Library/Android/sdk/
    • ANDROID_SDK_ROOT = /Users/faiyyazkhatri/Library/Android/sdk/
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
    ! Some Android licenses not accepted.  To resolve this, run: flutter doctor --android-licenses

[✓] Xcode - develop for iOS and macOS (Xcode 11.2)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 11.2, Build version 11B52
    • CocoaPods version 1.7.4

[✓] Android Studio (version 3.5)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 42.1.1
    • Dart plugin version 191.8593
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)

[✓] Connected device (1 available)
    • iPhone X • BF647BBF-DCD1-4D3B-B6D8-165EE98D8403 • ios • com.apple.CoreSimulator.SimRuntime.iOS-13-2 (simulator)

[JEuler]

Duplicate for #214

[JEuler]

Here is the workaround : #222

[Faiyyaz]

Ok thanks for the solution. Will try and open this issue if it doesn't work for me