我创建了一个android库来实现fcm,以便在我的内部项目中使用,其中我实现了一个类来扩展firebasemessagingservice(.services.MyFirebaseMessagingService
)和另一个类来扩展firebaseinstanceidservice(.services.MyFirebaseInstanceIDService
)。
我在库中的androidmanifest.xml中定义如下:
<!-- [START firebase_service] -->
<service
android:name=".services.MyFirebaseMessagingService"
android:exported="true">
<intent-filter>
<action android:name="com.google.firebase.MESSAGING_EVENT" />
</intent-filter>
</service>
<!-- [END firebase_service] -->
<!-- [START firebase_iid_service] -->
<service android:name=".services.MyFirebaseInstanceIDService">
<intent-filter>
<action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
</intent-filter>
</service>
<!-- [END firebase_iid_service] -->
当我将所有库源代码作为模块包含在我的应用程序中时,一切正常,但当我仅包含生成的aar时,我在运行应用程序时收到以下错误:
java.lang.RuntimeException: Unable to instantiate service com.example.lib.services.MyFirebaseMessagingService: java.lang.ClassNotFoundException: com.example.lib.services.MyFirebaseMessagingService
at android.app.ActivityThread.handleCreateService(ActivityThread.java:2380)
at android.app.ActivityThread.access$1600(ActivityThread.java:138)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1286)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4905)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: com.example.lib.services.MyFirebaseMessagingService
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
at android.app.ActivityThread.handleCreateService(ActivityThread.java:2377)
at android.app.ActivityThread.access$1600(ActivityThread.java:138)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1286)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4905)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
at dalvik.system.NativeStart.main(Native Method)
服务com.example.lib.services.myFireBaseInstanceIdService工作正常。
我需要用aar生成的库来做什么?
最佳答案
对于FCM,请执行以下步骤:
1-在main build.gradle(不在app文件夹中)中添加此行:
buildscript {
// ...
dependencies {
// ...
classpath 'com.google.gms:google-services:3.0.0'
}
2-在app/build.gradle中添加此行:
apply plugin: 'com.android.application'
android {
// ...
}
dependencies {
// ...
compile 'com.google.firebase:firebase-core:9.8.0'
compile 'com.google.firebase:firebase-messaging:9.8.0'
// Getting a "Could not find" error? Make sure you have
// the latest Google Repository in the Android SDK manager
}
// ADD THIS AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'
注意:你的sdk中“android支持库”最新。
希望能帮上忙