[webview_flutter] Not working on some Android devices

[huuang]

Steps to Reproduce

I use below code to show a web view, it works well in one Android device, but not in another.

WebView(
          initialUrl: "https://cn.bing.com",
          javascriptMode: JavascriptMode.unrestricted,
        )

The bad device info:

Logs

flutter run -d L --target-platform android-arm
Launching lib/main.dart on PACM00 in debug mode...
Initializing gradle...                                       0.7s
Resolving dependencies...                                    2.4s
Gradle task 'assembleDebug'...
Gradle task 'assembleDebug'... Done                          2.5s
Built build/app/outputs/apk/debug/app-debug.apk.
Syncing files to device PACM00...
I/zygote  (17118): Do partial code cache collection, code=29KB, data=29KB
I/zygote  (17118): After code cache collection, code=29KB, data=29KB
I/zygote  (17118): Increasing code cache capacity to 128KB
I/zygote  (17118): Do partial code cache collection, code=62KB, data=50KB
I/zygote  (17118): After code cache collection, code=62KB, data=50KB
I/zygote  (17118): Increasing code cache capacity to 256KB
D/libc-netbsd(17118): [getaddrinfo]:  hostname=t1.xxxx.io;  servname=(null);  app_pid=17118;  app_uid=10279;  ai_flags=1024;  ai_family=0; ai_socktype=1 from prox result 0
D/libEGL  (17118): ARC_TRACE: ARCASM_eglMakeCurrent(ctx:0xcdcc7e00)
D/HWUIExtension(17118): MTKProgramCache.generateProgram: 562984313159681
D/HWUIExtension(17118): createProgram 0x0002000800000001, binary 0xf3b01cac, length 5080,format 36705 within 267ns
I/flutter (17118): ResponseFuture<SystemConfig> {:status: 200, content-type: application/grpc, code: 0, desc: , x-envoy-upstream-service-time: 1, date: Wed, 30 Jan 2019 09:46:37 GMT, server: envoy}
 2.5s

🔥  To hot reload changes while running, press "r". To hot restart (and rebuild state),
press "R".
An Observatory debugger and profiler on PACM00 is available at: http://127.0.0.1:51155/
For a more detailed help message, press "h". To detach, press "d"; to quit, press "q".
I/zygote  (17118): Do full code cache collection, code=124KB, data=93KB
I/zygote  (17118): After code cache collection, code=121KB, data=85KB
I/BufferQueue(17118): [unnamed-17118-0](this:0xcf5ce000,id:0,api:0,p:-1,c:-1) BufferQueuecore=(17118:com.biss.exchange)
W/GuiExt  (17118): Cannot find GuiExtService
E/GED     (17118): ged_gpu_timestamp: GED_ERROR_FAIL eErr = 0, 7
I/GLConsumer(17118): [SurfaceTexture-0-17118-0] detachFromContext
E/WebViewFactory(17118): No such method for getDefinedWebViewPackageName: java.lang.NoSuchMethodException: getDefinedWebViewPackageName []
I/BufferQueueProducer(17118): [SurfaceTexture-0-17118-0](this:0xcf5ce000,id:0,api:1,p:414,c:-1) connect(P): api=1 producer=(414:???) producerControlledByApp=false
D/BufferQueueProducer(17118): [SurfaceTexture-0-17118-0](this:0xcf5ce000,id:0,api:1,p:414,c:-1) cancelBuffer: slot 0
D/BufferQueueProducer(17118): [SurfaceTexture-0-17118-0](this:0xcf5ce000,id:0,api:1,p:414,c:-1) cancelBuffer: slot 0

flutter doctor -v
[✓] Flutter (Channel dev, v1.1.9, on Mac OS X 10.14.2 18C54, locale en-CN)
    • Flutter version 1.1.9 at /Users/xxxx/Development/flutter
    • Framework revision 1407091bfb (3 weeks ago), 2019-01-08 20:40:19 -0800
    • Engine revision e5ec3cf3ea
    • Dart version 2.1.1 (build 2.1.1-dev.0.1 2cb346bd0c)

[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
    • Android SDK at /Users/xxxx/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-1248-b01)
    • 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 2.0.0
    • CocoaPods version 1.5.3

[✓] Android Studio (version 3.3)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 32.0.1
    • Dart plugin version 182.5124
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1248-b01)

[✓] VS Code (version 1.30.2)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 2.22.2

[✓] Connected device (3 available)
    • PACM00                    • LR9LRGO7SOSC7D85                         • android-arm64
      • Android 8.1.0 (API 27)
    • Android SDK built for x86 • emulator-5554                            • android-x86
      • Android 9 (API 28) (emulator)
    • xxx's iPhone X          • 902918b17e72xxxx • ios
      • iOS 12.1.2

• No issues found!

[zoechi]

Not a single search result in Google for getDefinedWebViewPackageName

[huuang]

Because of this issue: #24974

[ikkyu0319]

@huuang 这个问题解决了么？自定义控件 黑屏～

[github-actions]

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.