[webview_flutter] LateInitializationError: Field '_currentNavigationDelegate' has not been initialized. #119332
Description
Steps to Reproduce
- Execute
flutter runon the code sample withwebview_flutter: ^4.0.2.
Expected results:
The WebView loads correctly and without any exceptions.
Actual results:
The WebView loads, but throws numerous LateInitializationErrors, leading to failures in tests.
Code sample
import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) => MaterialApp(
home: Scaffold(
body: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
VideoPlayer(
url: Uri.https('youtube.com', 'embed'),
)
],
),
),
);
}
class VideoPlayer extends StatelessWidget {
final Uri url;
late final controller = WebViewController()
..setJavaScriptMode(JavaScriptMode.unrestricted)
..loadRequest(url);
VideoPlayer({
super.key,
required this.url,
});
@override
Widget build(BuildContext context) => AspectRatio(
aspectRatio: 16 / 9,
child: WebViewWidget(controller: controller),
);
}Logs
[ +29 ms]
══╡ EXCEPTION CAUGHT BY SERVICES LIBRARY ╞══════════════════════════════════════════════════════════
The following LateError was thrown during a platform message callback:
LateInitializationError: Field '_currentNavigationDelegate@68193571' has not been initialized.
When the exception was thrown, this was the stack:
#0 AndroidWebViewController._currentNavigationDelegate (package:webview_flutter_android/src/android_webview_controller.dart)
#1 AndroidWebViewController._webChromeClient.<anonymous closure>.<anonymous closure> (package:webview_flutter_android/src/android_webview_controller.dart:104:35)
#2 WebChromeClientFlutterApiImpl.onProgressChanged (package:webview_flutter_android/src/android_webview_api_impls.dart:830:34)
#3 WebChromeClientFlutterApi.setup.<anonymous closure> (package:webview_flutter_android/src/android_webview.pigeon.dart:1830:15)
#4 BasicMessageChannel.setMessageHandler.<anonymous closure> (package:flutter/src/services/platform_channel.dart:214:49)
#5 _DefaultBinaryMessenger.setMessageHandler.<anonymous closure> (package:flutter/src/services/binding.dart:393:35)
#6 _invoke2 (dart:ui/hooks.dart:183:13)
#7 _ChannelCallbackRecord.invoke (dart:ui/channel_buffers.dart:40:5)
#8 _Channel.push (dart:ui/channel_buffers.dart:130:31)
#9 ChannelBuffers.push (dart:ui/channel_buffers.dart:326:17)
#10 PlatformDispatcher._dispatchPlatformMessage (dart:ui/platform_dispatcher.dart:664:22)
#11 _dispatchPlatformMessage (dart:ui/hooks.dart:86:31)
════════════════════════════════════════════════════════════════════════════════════════════════════
[ +7 ms] The Flutter DevTools debugger and profiler on moto g 20 is available at: http://127.0.0.1:9102?uri=http://127.0.0.1:40599/Zs6U2RsJhD0=/
[ ]
Another exception was thrown: LateInitializationError: Field '_currentNavigationDelegate@68193571' has not been initialized.
[ ]
Another exception was thrown: LateInitializationError: Field '_currentNavigationDelegate@68193571' has not been initialized.
[ +7 ms] E/FrameEvents(16511): updateAcquireFence: Did not find frame.
[ +3 ms] I/gralloc4(16511): register: id=21700003b9a
[ +1 ms] I/gralloc4(16511): register: id=21700003b9b
[ +29 ms] I/gralloc4(16511): register: id=21700003b9c
[ +1 ms] E/FrameEvents(16511): updateAcquireFence: Did not find frame.
[ +3 ms] I/gralloc4(16511): register: id=21700003b9d
[ +72 ms]
Another exception was thrown: LateInitializationError: Field '_currentNavigationDelegate@68193571' has not been initialized.
[ +372 ms] I/GraphicsJNI(16511): GraphicsJNI::isHardwareConfig qemu gles is 1.
[ +9 ms] D/SensorManager(16511): registerListenerImpl sensor = {Sensor name="Game Rotation Vector", vendor="Sprd Group Ltd.", version=1, type=15, maxRange=1.0, resolution=1.0E-6, power=11.27, minDelay=10000}, delayUs = 16666, latencyUs = 0, listener =
org.chromium.device.sensors.PlatformSensor@741408f
[ +236 ms] E/FrameEvents(16511): updateAcquireFence: Did not find frame.
[ +4 ms] D/SensorManager(16511): unregisterListenerImpl sensor = {Sensor name="Game Rotation Vector", vendor="Sprd Group Ltd.", version=1, type=15, maxRange=1.0, resolution=1.0E-6, power=11.27, minDelay=10000}, listener =
org.chromium.device.sensors.PlatformSensor@741408f
[ +7 ms] I/gralloc4(16511): register: id=21700003b9e
[ +7 ms] E/FrameEvents(16511): updateAcquireFence: Did not find frame.
[ +10 ms] E/FrameEvents(16511): updateAcquireFence: Did not find frame.
[ ] I/gralloc4(16511): register: id=21700003b9f
[ +5 ms] E/FrameEvents(16511): updateAcquireFence: Did not find frame.
[ +10 ms] E/FrameEvents(16511): updateAcquireFence: Did not find frame.
[ +2 ms]
Another exception was thrown: LateInitializationError: Field '_currentNavigationDelegate@68193571' has not been initialized.
[ +8 ms]
Another exception was thrown: LateInitializationError: Field '_currentNavigationDelegate@68193571' has not been initialized.
No issues found! (ran in 0.8s)
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