请解读 Google Play 发布前崩溃和 ANR 报告详细信息

Question

我使用 VSCode 来编写我的 Flutter 应用程序。我将其部署到 Google Play 商店，但预发布报告显示它在特殊设备上崩溃：Google Pixel 2（虚拟）、1080x1920、Android 9 (SDK 28)、armeabi、en_US 我配置了该设备并对其进行了测试，并且它没有崩溃。我不明白这个报告。我需要帮助将报告与 Dart/Flutter 代码联系起来。这是报告。请帮忙！！

FATAL EXCEPTION: main
Process: com.outafire.myevents, PID: 6669
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.outafire.myevents/com.outafire.myevents.MainActivity}: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/system/framework/android.test.mock.jar", zip file "/data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/base.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/base.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.en.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.x86.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.xxhdpi.apk"],nativeLibraryDirectories=[/data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/lib/x86, /data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/base.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/base.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.en.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.x86.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.xxhdpi.apk!/lib/x86, /system/lib, /system/vendor/lib]]] couldn't find "libflutter.so"
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
    at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
    at android.os.Handler.dispatchMessage(Handler.java:106)
    at android.os.Looper.loop(Looper.java:193)
    at android.app.ActivityThread.main(ActivityThread.java:6669)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/system/framework/android.test.mock.jar", zip file "/data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/base.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/base.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.en.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.x86.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.xxhdpi.apk"],nativeLibraryDirectories=[/data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/lib/x86, /data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/base.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/base.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.en.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.x86.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.xxhdpi.apk!/lib/x86, /system/lib, /system/vendor/lib]]] couldn't find "libflutter.so"
    at x6.f.g(Unknown Source:457)
    at io.flutter.embedding.engine.a.<init>(Unknown Source:184)
    at io.flutter.embedding.engine.a.<init>(Unknown Source:12)
    at io.flutter.embedding.android.e.G(Unknown Source:106)
    at io.flutter.embedding.android.e.p(Unknown Source:7)
    at io.flutter.embedding.android.d.onCreate(Unknown Source:13)
    at android.app.Activity.performCreate(Activity.java:7136)
    at android.app.Activity.performCreate(Activity.java:7127)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
    at androidx.test.runner.MonitoringInstrumentation.callActivityOnCreate(MonitoringInstrumentation.java:2)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
    ... 11 more
Caused by: java.util.concurrent.ExecutionException: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/system/framework/android.test.mock.jar", zip file "/data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/base.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/base.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.en.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.x86.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.xxhdpi.apk"],nativeLibraryDirectories=[/data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/lib/x86, /data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/base.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/base.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.en.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.x86.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.xxhdpi.apk!/lib/x86, /system/lib, /system/vendor/lib]]] couldn't find "libflutter.so"
    at java.util.concurrent.FutureTask.report(FutureTask.java:123)
    at java.util.concurrent.FutureTask.get(FutureTask.java:193)
    at x6.f.g(Unknown Source:28)
    ... 21 more
Caused by: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/system/framework/android.test.mock.jar", zip file "/data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/base.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/base.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.en.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.x86.apk", zip file "/data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.xxhdpi.apk"],nativeLibraryDirectories=[/data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/lib/x86, /data/app/androidx.test.tools.crawler-xZ2vnr4Jb8_kw2Er9oP3ag==/base.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/base.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.en.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.x86.apk!/lib/x86, /data/app/com.outafire.myevents-dsiaYFQFA3lGhBlIANSrDQ==/split_config.xxhdpi.apk!/lib/x86, /system/lib, /system/vendor/lib]]] couldn't find "libflutter.so"
    at java.lang.Runtime.loadLibrary0(Runtime.java:1012)
    at java.lang.System.loadLibrary(System.java:1669)
    at io.flutter.embedding.engine.FlutterJNI.loadLibrary(Unknown Source:13)
    at x6.f$a.b(Unknown Source:18)
    at x6.f$a.call(Unknown Source:0)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
    at java.lang.Thread.run(Thread.java:764)

Answer 1

Google Pixel 2 (virtual)我认为您对 Playstore 使用的设备的描述中有一个拼写错误，因为您dalvik.system.PathClassLoader显示了各种x86，因为您在路径列表中x86apk/lib，而且我自己也在 Play 商店中看到了这一点，但它显示了所使用的 ABI通过虚拟 Pixel 2。

基本上问题是 Flutter 不支持 x86（32 位）架构：https://docs.flutter.dev/deployment/android#what-are-the-supported-target-architectures，这部分源于 Dart 编译器限制（https://github.com/flutter/flutter/issues/9253）。即使设备尝试进行某种 NDK 转换以在 32 位设备上运行 64 位应用程序，也可能会崩溃。调试构建可能会起作用，因为 Flutter“支持在此架构上运行即时编译的应用程序”，这可能就是您所经历的。您可以忽略此特定报告并仍然发布您的应用程序。但是，如果预启动崩溃报告困扰人们，您还可以尝试显式添加abiFilters到应用程序的 build.gradle 中，按照各种或多或少重复的问题（例如此问题）中的建议，限制某些内容，因此 Play 商店测试不会尝试在旧拱门：

android {
    defaultConfig {
        ndk {
           abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86_64'
        }
    }
}

有关更多信息，请参阅https://github.com/flutter/flutter/issues/37396#issuecomment-1207203921：

Flutter 确实支持 x86 64 位发布版本提前编译 (AOT)。

Flutter 不支持提前编译的 x86 32 位发布版本，仅支持在此架构上运行即时编译 (JIT) 的应用程序。这意味着，您无法生成针对 x86 32 位设备的 Flutter 发布版本，但您仍然可以在它们上运行调试版本。

值得一提的是，这个问题是针对 x86 32 位的。x86 64 位完全没问题。

值得庆幸的是，运行 x86 32 位 CPU 的 Android 设备几乎不存在。但是，Google Play 使用 x86 32 位架构的模拟器映像来执行预发布报告。

Android 操作系统尝试通过执行本机级转换在 x86 32 位设备中运行 x86 64 位，但最终崩溃。

此问题不会阻止您发布应用程序，您可以忽略预发布报告并将应用程序发布到生产环境。

不过，我不认为 Google Play 100% 都有错。相反，问题在于 Android 操作系统及其在 32 位设备上运行 64 位应用程序的 NDK 翻译机制，这是问题的根源。

Answer 2

@NdegwaJulius 谢谢。这解决了我的问题！您甚至不必添加 ndk 过滤器。按顺序执行以下操作：

1. 颤振通道测试版
2. 颤动升级3.1.0
3. 扑干净
4. flutter 构建 appbundle --release

注意：默认配置{

applicationId“com.company.name”

minSdkVersion 21

目标SDK版本31

versionCode flutterVersionCode.toInteger()

版本名称 flutterVersionName

multiDexEnabled true

}