从 Google 我们的网站下载插件并成功运行解析器后，我已经实现了 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是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)
我看到项目中有所有的 jars 和 aars，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，请提供帮助，我们将不胜感激。 谢谢
最佳答案
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
关于android - Unity-Android-App 第一次运行时崩溃，但从第二次开始运行正常，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/56182213/