[英]Can't build flutter apk because of File google-services.json is missing
[英]I can't build a Flutter apk because access 'FlutterEngine' class
几周以来,由于某些库版本和 Flutter 不兼容,我无法从我的项目中构建 apk。 所以我更新了所有内容,但有一些错误。
这一次,错误是:
Running Gradle task 'assembleRelease'...
Running Gradle task 'assembleRelease'... Done 28,3s
The build failed likely due to AndroidX incompatibilities in a plugin. The tool is about to try using Jetifier to solve the incompatibility.
Building plugin clipboard_manager...
Running Gradle task 'assembleAarRelease'...
Running Gradle task 'assembleAarRelease'... Done 4,1s
√ Built build\app\outputs\repo.
Building plugin connectivity...
Running Gradle task 'assembleAarRelease'...
Running Gradle task 'assembleAarRelease'... Done 3,3s
√ Built build\app\outputs\repo.
Building plugin package_info...
Running Gradle task 'assembleAarRelease'...
Running Gradle task 'assembleAarRelease'... Done 3,6s
√ Built build\app\outputs\repo.
Building plugin shared_preferences...
Running Gradle task 'assembleAarRelease'...
Running Gradle task 'assembleAarRelease'... Done 4,8s
√ Built build\app\outputs\repo.
e: C:\Trabalho\Projetos\MyProject\android\app\src\main\kotlin\com\example\MyProject\MainActivity.kt: (3, 28): Unresolved reference: NonNull
e: C:\Trabalho\Projetos\MyProject\android\app\src\main\kotlin\com\example\MyProject\MainActivity.kt: (4, 19): Unresolved reference: embedding
e: C:\Trabalho\Projetos\MyProject\android\app\src\main\kotlin\com\example\MyProject\MainActivity.kt: (5, 19): Unresolved reference: embedding
e: C:\Trabalho\Projetos\MyProject\android\app\src\main\kotlin\com\example\MyProject\MainActivity.kt: (8, 21): Unresolved reference: FlutterActivity
e: C:\Trabalho\Projetos\MyProject\android\app\src\main\kotlin\com\example\MyProject\MainActivity.kt: (9, 5): 'configureFlutterEngine' overrides nothing
e: C:\Trabalho\Projetos\MyProject\android\app\src\main\kotlin\com\example\MyProject\MainActivity.kt: (9, 42): Unresolved reference: NonNull
e: C:\Trabalho\Projetos\MyProject\android\app\src\main\kotlin\com\example\MyProject\MainActivity.kt: (9, 65): Unresolved reference: FlutterEngine
e: C:\Trabalho\Projetos\MyProject\android\app\src\main\kotlin\com\example\MyProject\MainActivity.kt: (10, 35): Cannot access class 'FlutterEngine'. Check your module classpath for missing or conflicting dependencies
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:compileReleaseKotlin'.
> Compilation error. See log for more details
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 17s
Running Gradle task 'assembleRelease'...
Running Gradle task 'assembleRelease'... Done 18,5s
Gradle task assembleRelease failed with exit code 1
上面的错误提到了 Kotlin 文件MainActivity.kt ,所以这是我的文件的副本:
package com.targetsistemas.target_mlog2
import androidx.annotation.NonNull;
import io.flutter.embedding.android.FlutterActivity
import io.flutter.embedding.engine.FlutterEngine
import io.flutter.plugins.GeneratedPluginRegistrant
class MainActivity: FlutterActivity() {
override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
GeneratedPluginRegistrant.registerWith(flutterEngine);
}
}
[√] Flutter (Channel dev, 2.1.0-12.1.pre, on Microsoft Windows [versão 10.0.19042.867], locale pt-BR)
• Flutter version 2.1.0-12.1.pre at C:\Flutter
• Framework revision 8264cb3e8a (3 weeks ago), 2021-03-10 12:37:57 -0800
• Engine revision 711ab3fda0
• Dart version 2.13.0 (build 2.13.0-116.0.dev)
[√] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
• Android SDK at C:\Users\israel.gomes\AppData\Local\Android\Sdk
• Platform android-30, build-tools 30.0.2
• ANDROID_HOME = C:\Users\israel.gomes\AppData\Local\Android\Sdk
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
• All Android licenses accepted.
[√] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
[√] Android Studio (version 4.0)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
[√] IntelliJ IDEA Community Edition (version 2020.3)
• IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2020.2.3
• Flutter plugin version 55.0.4
• Dart plugin version 203.7759
[√] VS Code (version 1.55.0)
• VS Code at C:\Users\israel.gomes\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.20.0
[√] Connected device (3 available)
• Android SDK built for x86 (mobile) • emulator-5554 • android-x86 • Android 7.1.1 (API 25) (emulator)
• Chrome (web) • chrome • web-javascript • Google Chrome 89.0.4389.114
• Edge (web) • edge • web-javascript • Microsoft Edge 87.0.664.75
• No issues found!
试试下面的。
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