Unity-Android-App 在第一次运行时崩溃，但从第二次开始运行正常

【问题标题】：Unity-Android-App Crashes when Run First Time but From Second Time it Works FineUnity-Android-App 在第一次运行时崩溃，但从第二次开始运行正常
【发布时间】：2019-05-17 08:07:49
【问题描述】：

在从 Google 我们的网站下载插件并成功运行解析程序后，我已经实施了 Firebase Analytics 和 Firebase Messaging。 问题是在应用程序第一次运行时构建后它崩溃并出现以下错误但从第二次开始应用程序不会崩溃 这是日志

FATAL EXCEPTION: main
    Process: com.lemontart.flying.robot.car.transformation, PID: 27861
    java.lang.RuntimeException: Unable to instantiate service com.google.firebase.messaging.cpp.ListenerService: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.messaging.cpp.ListenerService" on path: DexPathList[[zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/base.apk"],nativeLibraryDirectories=[/data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/lib/arm, /data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/base.apk!/lib/armeabi-v7a, /system/lib]]
        at android.app.ActivityThread.handleCreateService(ActivityThread.java:3654)
        at android.app.ActivityThread.access$1500(ActivityThread.java:207)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1764)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6863)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:537)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
     Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.messaging.cpp.ListenerService" on path: DexPathList[[zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/base.apk"],nativeLibraryDirectories=[/data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/lib/arm, /data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/base.apk!/lib/armeabi-v7a, /system/lib]]
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:169)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
        at android.app.AppComponentFactory.instantiateService(AppComponentFactory.java:103)
        at android.app.ActivityThread.handleCreateService(ActivityThread.java:3649)
        at android.app.ActivityThread.access$1500(ActivityThread.java:207) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1764) 
        at android.os.Handler.dispatchMessage(Handler.java:106) 
        at android.os.Looper.loop(Looper.java:193) 
        at android.app.ActivityThread.main(ActivityThread.java:6863) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:537) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) 
        Suppressed: java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/firebase/messaging/FirebaseMessagingService;
        at java.lang.VMClassLoader.findLoadedClass(Native Method)
        at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:738)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:363)
                ... 11 more
     Caused by: java.lang.ClassNotFoundException: com.google.firebase.messaging.FirebaseMessagingService
        at java.lang.VMClassLoader.findLoadedClass(Native Method)
        at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:738)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:363)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
                ... 14 more
     Caused by: java.lang.IllegalAccessError: Class com.google.firebase.iid.zzb extended by class com.google.firebase.messaging.FirebaseMessagingService is inaccessible (declaration of 'com.google.firebase.messaging.FirebaseMessagingService' appears in base.apk)
                ... 14 more
2019-05-17 12:55:18.960 27861-27861/? E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.lemontart.flying.robot.car.transformation, PID: 27861
    java.lang.Error: FATAL EXCEPTION [main]
    Unity version     : 2018.3.14f1
    Device model      : OnePlus ONEPLUS A5000
    Device fingerprint: OnePlus/OnePlus5/OnePlus5:9/PKQ1.180716.001/1904191514:user/release-keys

    Caused by: java.lang.RuntimeException: Unable to instantiate service com.google.firebase.messaging.cpp.ListenerService: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.messaging.cpp.ListenerService" on path: DexPathList[[zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/base.apk"],nativeLibraryDirectories=[/data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/lib/arm, /data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/base.apk!/lib/armeabi-v7a, /system/lib]]
        at android.app.ActivityThread.handleCreateService(ActivityThread.java:3654)
        at android.app.ActivityThread.access$1500(ActivityThread.java:207)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1764)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6863)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:537)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
     Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.messaging.cpp.ListenerService" on path: DexPathList[[zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/base.apk"],nativeLibraryDirectories=[/data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/lib/arm, /data/app/com.lemontart.flying.robot.car.transformation-EVwlnR7Mxf4TO-7_HvK44w==/base.apk!/lib/armeabi-v7a, /system/lib]]
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:169)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
        at android.app.AppComponentFactory.instantiateService(AppComponentFactory.java:103)
        at android.app.ActivityThread.handleCreateService(ActivityThread.java:3649)
        at android.app.ActivityThread.access$1500(ActivityThread.java:207) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1764) 
        at android.os.Handler.dispatchMessage(Handler.java:106) 
        at android.os.Looper.loop(Looper.java:193) 
        at android.app.ActivityThread.main(ActivityThread.java:6863) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:537) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) 
        Suppressed: java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/firebase/messaging/FirebaseMessagingService;
        at java.lang.VMClassLoader.findLoadedClass(Native Method)
        at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:738)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:363)

我看到所有的 jars 和 aars 都向它展示了这个项目，但我仍然无法弄清楚我们的问题。 这是我的 gradle 文件

// GENERATED BY UNITY. REMOVE THIS COMMENT TO PREVENT OVERWRITING WHEN EXPORTING AGAIN

buildscript {
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.0'
**BUILD_SCRIPT_DEPS**}
}

allprojects {
    repositories {
        google()
        jcenter()
        flatDir {
            dirs 'libs'
        }
    }
}

// Android Resolver Repos Start
allprojects {
    repositories {
        maven {
            url "https://maven.google.com"
        }
        maven {
            url "https://maven.google.com/" // Assets/Consoliads/Editor/ConsoliAdsDependencies.xml:7
        }
        maven {
            url "file:////Volumes/JawadData/Unity%20Projects/Consoli%204.6.2%20Unity%202018/Assets/Firebase/m2repository" // Assets/Firebase/Editor/AnalyticsDependencies.xml:22, Assets/Firebase/Editor/AppDependencies.xml:22
        }
        mavenLocal()
        jcenter()
        mavenCentral()
    }
}
// Android Resolver Repos End
apply plugin: 'com.android.application'
**APPLY_PLUGINS**

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.android.support:multidex:1.0.1'

**DEPS**}

android {
    compileSdkVersion **APIVERSION**
    buildToolsVersion '**BUILDTOOLS**'

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    defaultConfig {
        multiDexEnabled true
        minSdkVersion **MINSDKVERSION**
        targetSdkVersion **TARGETSDKVERSION**
        applicationId '**APPLICATIONID**'
        ndk {
            abiFilters **ABIFILTERS**
        }
        versionCode **VERSIONCODE**
        versionName '**VERSIONNAME**'
    }

    lintOptions {
        abortOnError false
    }

    aaptOptions {
        noCompress = ['.unity3d', '.ress', '.resource', '.obb'**STREAMING_ASSETS**]
    }**SIGN**

    buildTypes {
        debug {
            minifyEnabled **MINIFY_DEBUG**
            useProguard **PROGUARD_DEBUG**
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-unity.txt'**USER_PROGUARD**
            jniDebuggable true
        }
        release {
            minifyEnabled **MINIFY_RELEASE**
            useProguard **PROGUARD_RELEASE**
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-unity.txt'**USER_PROGUARD****SIGNCONFIG**
        }
    }**PACKAGING_OPTIONS****SPLITS**
**BUILT_APK_LOCATION**
    bundle {
        language {
            enableSplit = false
        }
        density {
            enableSplit = false
        }
        abi {
            enableSplit = true
        }
    }
}**SPLITS_VERSION_CODE****REPOSITORIES****SOURCE_BUILD_SETUP**

我需要解决这个问题，请帮助我们将不胜感激。 谢谢

【问题讨论】：

  • 您能否提供一些有关以下方面的信息：您的 Unity 版本、您正在构建的平台、您正在使用的运行时，以及它是否是开发版本（如果您尝试了两者，有什么不同吗）？
  • Unity 2018.3.14F for Android。我不得不去以前版本的 Firebase，它解决了这个问题。这是一个发布版本，带有 ARMv7 和 64 位的拆分 APK 选项

标签： android firebase unity3d exception crash


【解决方案1】：

几天前我遇到了同样的问题，只需将所有 firebase 库更新到最新版本即可解决。似乎它们可能是依赖项之间的版本冲突。 您可以找到 Firebase 库的最新版本列表here

【讨论】：

  • 在我的情况下，问题是通过恢复到以前版本的 Firebase 来解决的 最新版本的 Firebase 导致了问题
【解决方案2】：

尝试将此行添加到您的 gradle：

implementation 'com.google.firebase:firebase-messaging:+'

我认为应该到文档的末尾，如果不是这样在其他地方尝试：

    dependencies {
        implementation 'com.google.firebase:firebase-messaging:+'
        implementation fileTree(dir: 'libs', include: ['*.jar'])
        compile 'com.android.support:multidex:1.0.1'

**DEPS**}

或者这里：

    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.0'
        implementation 'com.google.firebase:firebase-messaging:+'
**BUILD_SCRIPT_DEPS**}
}

【讨论】：

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