没有找到类“com.google.firebase.provider.FirebaseInitProvider"? [英] Didn't find class "com.google.firebase.provider.FirebaseInitProvider"?
问题描述
我在应用启动时遇到以下异常.
I am getting the below exception on app launch.
java.lang.RuntimeException: Unable to get provider com.google.firebase.provider.FirebaseInitProvider: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.provider.FirebaseInitProvider" on path: DexPathList[[zip file "/data/app/com.vfirst.ifbagro-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.vfirst.ifbagro-1, /vendor/lib, /system/lib]]
at android.app.ActivityThread.installProvider(ActivityThread.java:4993)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:4596)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4536)
at android.app.ActivityThread.access$1300(ActivityThread.java:149)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1353)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5214)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:555)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.provider.FirebaseInitProvider" on path: DexPathList[[zip file "/data/app/com.vfirst.ifbagro-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.vfirst.ifbagro-1, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:53)
at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
at android.app.ActivityThread.installProvider(ActivityThread.java:4978)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:4596)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4536)
at android.app.ActivityThread.access$1300(ActivityThread.java:149)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1353)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5214)
at java.lang.reflect.Method.invokeNative(Native Method)
这里是应用级别的 build.gradle
Here is the the app level build.gradle
apply plugin: 'com.android.application'
apply plugin: 'android-apt'
android {
compileSdkVersion 24
buildToolsVersion "24.0.1"
defaultConfig {
applicationId "com.vfirst.ifbagro"
minSdkVersion 17
targetSdkVersion 24
versionCode 1
versionName "1.0"
multiDexEnabled true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:24.2.1'
compile 'com.android.support:design:24.2.1'
compile 'com.android.support:support-v4:24.2.1'
compile 'com.google.android.gms:play-services-gcm:9.4.0'
compile 'com.google.android.gms:play-services-location:9.4.0'
compile 'com.android.support:multidex:1.0.1'
compile 'com.google.firebase:firebase-messaging:9.4.0'
compile 'com.google.android.gms:play-services:9.4.0'
testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
这是我的应用级 build.gradle
This is my application level build.gradle
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.0'
classpath 'com.google.gms:google-services:3.0.0'
classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
classpath 'com.google.gms:google-services:3.0.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
如何解决问题?
推荐答案
我遇到了同样的错误,我用 MultiDex 解决了它,就像这个链接中描述的那样:https://developer.android.com/studio/build/multidex.html
I had the same error and I solved it with MultiDex, like described on this link : https://developer.android.com/studio/build/multidex.html
有时仅启用 MultiDex 是不够的.
Sometimes it is not enough just to enable MultiDex.
如果启动期间所需的任何类未在主 DEX 文件中提供,那么您的应用程序将崩溃并显示错误 java.lang.NoClassDefFoundError.https://developer.android.com/studio/build/multidex#keep
If any class that's required during startup is not provided in the primary DEX file, then your app crashes with the error java.lang.NoClassDefFoundError. https://developer.android.com/studio/build/multidex#keep
FirebaseInitProvider 在启动期间是必需的.
FirebaseInitProvider is required during startup.
因此您必须根据主 DEX 文件的要求手动指定 FirebaseInitProvider.
So you must manually specify FirebaseInitProvider as required in the primary DEX file.
build.gradle 文件
build.gradle file
android {
buildTypes {
release {
multiDexKeepFile file('multidex-config.txt')
...
}
}
}
multidex-config.txt(与build.gradle文件在同一个目录下)
multidex-config.txt (in the same directory as the build.gradle file)
com/google/firebase/provider/FirebaseInitProvider.class
这篇关于没有找到类“com.google.firebase.provider.FirebaseInitProvider"?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!