当我使用FCM原生离子时，我遇到了问题
这是我的project.propreties文件。
target=android-26
android.library.reference.1=CordovaLib
cordova.system.library.1=com.google.android.gms:play-services-auth:11.8.0
cordova.system.library.2=com.google.android.gms:play-services-identity:11.8.0
cordova.system.library.3=com.facebook.android:facebook-android-sdk:4.+
cordova.system.library.4=com.android.support:support-v4:26.+
cordova.system.library.5=com.android.support:appcompat-v7:26.+
cordova.gradle.include.1=cordova-plugin-badge/id-badge.gradle
cordova.system.library.6=com.android.support:support-v4:26.+
cordova.gradle.include.2=cordova-plugin-local-notification/id-localnotification.gradle
cordova.gradle.include.3=cordova-plugin-firebase/id-build.gradle
cordova.system.library.7=com.google.android.gms:play-services-tagmanager:11.8.0
cordova.system.library.8=com.google.firebase:firebase-core:11.8.0
cordova.system.library.9=com.google.firebase:firebase-messaging:11.8.0
cordova.system.library.10=com.google.firebase:firebase-config:11.8.0
cordova.system.library.11=com.google.firebase:firebase-perf:11.8.0
cordova.system.library.12=com.google.firebase:firebase-core:11.8.0
cordova.system.library.5=com.google.firebase:firebase-messaging:11.8.0
cordova.gradle.include.4=cordova-plugin-fcm/id-FCMPlugin.gradle