After adding some firebase library in flutter android app crashing 
在flutter android app崩溃后添加一些firebase库
minSdkVersion 21
targetSdkVersion 28
dependencies {
classpath 'com.android.tools.build:gradle:3.2.1'
classpath 'com.google.gms:google-services:4.2.0'
}
cloud_firestore: ^0.8.2
firebase_core: ^0.2.5
firebase_messaging: ^5.0.1
2019-05-08 12:41:40.484 16013-16013/? 2019-05-08 12：41：40.484 16013-16013 /？ E/AndroidRuntime: FATAL EXCEPTION: main Process: myapp.com.myapp, PID: 16013 java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/firebase/internal/InternalTokenProvider; E / AndroidRuntime：FATAL EXCEPTION：main进程：myapp.com.myapp，PID：16013 java.lang.NoClassDefFoundError：失败的解析：Lcom / google / firebase / internal / InternalTokenProvider; at java.lang.Class.classForName(Native Method) at java.lang.Class.forName(Class.java:453) at java.lang.Class.forName(Class.java:378) at com.google.firebase.components.ComponentDiscovery.instantiate(com.google.firebase:firebase-common@@17.0.0:78) at com.google.firebase.components.ComponentDiscovery.discover(com.google.firebase:firebase-common@@17.0.0:71) at com.google.firebase.FirebaseApp.(com.google.firebase:firebase-common@@17.0.0:468) at com.google.firebase.FirebaseApp.initializeApp(com.google.firebase:firebase-common@@17.0.0:354) at com.google.firebase.FirebaseApp.initializeApp(com.google.firebase:firebase-common@@17.0.0:321) at com.google.firebase.FirebaseApp.initializeApp(com.google.firebase:firebase-common@@17.0.0:305) at com.google.firebase.provider.FirebaseInitProvider.onCreate(com.google.firebase:firebase-common@@17.0.0:53) at android.content.ContentProvider.attachInfo(ContentProvider.java:1919) at android.content.ContentProvider.attachInfo(ContentProvider.java:1894) at com.go at java.lang.Class.classForName（Native Method），位于java.lang.Class.forName（Class.java:453），位于com.google.firebase.components的java.lang.Class.forName（Class.java:378） 。comonentDiscovery.instantiate（com.google.firebase：firebase-common @@ 17.0.0:78）位于com.google.firebase.components.ComponentDiscovery.discover（com.google.firebase：firebase-common @@ 17.0.0： 71）在com.google.firebase.FirebaseApp。（com.google.firebase：firebase-common @@ 17.0.0：468）com.google.firebase.FirebaseApp.initializeApp（com.google.firebase：firebase-common @） @ 17.0.0：354）在com.google.firebase.FirebaseApp.initializeApp（com.google.firebase：firebase-common @@ 17.0.0：321）com.google.firebase.FirebaseApp.initializeApp（com.google。 firebase：firebase-common @@ 17.0.0：305）位于android.content.ContentProvider的com.google.firebase.provider.FirebaseInitProvider.onCreate（com.google.firebase：firebase-common @@ 17.0.0:53）。 attachInfo（ContentProvider.java:1919）位于com.go的android.content.ContentProvider.attachInfo（ContentProvider.java:1894） ogle.firebase.provider.FirebaseInitProvider.attachInfo(com.google.firebase:firebase-common@@17.0.0:47) at android.app.ActivityThread.installProvider(ActivityThread.java:6263) at android.app.ActivityThread.installContentProviders(ActivityThread.java:5829) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5737) at android.app.ActivityThread.-wrap1(Unknown Source:0) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1659) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:164) at android.app.ActivityThread.main(ActivityThread.java:6518) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807) 2019-05-08 12:41:40.488 16013-16013/? android.app.ActivityThread.installContentProviders上的android.app.ActivityThread.installProvider（ActivityThread.java:6263）上的ogle.firebase.provider.FirebaseInitProvider.attachInfo（com.google.firebase：firebase-common @@ 17.0.0:47） （ActivityThread.java:5829）android.app.ActivityThread.handleBindApplication（ActivityThread.java:5737）在android.app.ActivityThread.-wrap1（未知来源：0）android.app.ActivityThread $ H.handleMessage（ActivityThread。 java：1659）在android.os.Handler.dispatchMessage（Handler.java:106）的android.app.Looper.loop（Looper.java:164）在android.app.ActivityThread.main（ActivityThread.java:6518）at java.lang.reflect.Method.invoke（Native Method）在com.android.internal.os.RuntimeInit $ MethodAndArgsCaller.run（RuntimeInit.java:438）com.android.internal.os.ZygoteInit.main（ZygoteInit.java） ：807）2019-05-08 12：41：40.488 16013-16013 /？ E/AndroidRuntime: Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.internal.InternalTokenProvider" on path: DexPathList[[zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/base.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_dependencies_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_resources_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_0_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_1_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_2_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_3_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_4_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_5_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw E / AndroidRuntime：引起：java.lang.ClassNotFoundException：在路径上找不到类“com.google.firebase.internal.InternalTokenProvider”：DexPathList [[zip file“/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ == / base.apk“，zip文件”/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_dependencies_apk.apk“，zip文件”/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_resources_apk .apk“，zip文件”/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_0_apk.apk“，zip文件”/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_1_apk.apk“， zip文件“/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_2_apk.apk”，zip文件“/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_3_apk.apk”，zip文件“/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ == / split_lib_slice_4_apk.apk“，zip文件”/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_5_apk.apk“，zip文件”/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw 2wCXQ==/split_lib_slice_6_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_7_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_8_apk.apk", zip file "/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/lib/arm, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/base.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_dependencies_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_resources_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_0_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_1_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_2_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/ 2wCXQ == / split_lib_slice_6_apk.apk“，zip文件”/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_7_apk.apk“，zip文件”/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/ split_lib_slice_8_apk.apk“，zip文件”/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/lib/arm ，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== / base.apk！/ lib / arababi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== /split_lib_dependencies_apk.apk！/ lib / armeabi -v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== /split_lib_resources_apk.apk！/ lib / arababi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== /split_lib_slice_0_apk.apk！/ lib / armeabi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== /split_lib_slice_1_apk.apk！/ lib / arababi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== /split_lib_slice_2_apk.apk！ / lib / armeabi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== / split_lib_slice_3_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_4_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_5_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_6_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_7_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_8_apk.apk!/lib/armeabi-v7a, /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_9_apk.apk!/lib/armeabi-v7a, /system/lib, /vendor/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:125) at java.lang.ClassLoader.loadClass(ClassLoader.java:379) at java.lang.ClassLoader.loadClass(ClassLoader.java:312) ... 24 more Suppressed: java.io.IOException: No original dex files found for dex location /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_resources_apk.apk a split_lib_slice_3_apk.apk！/ lib / armeabi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== /split_lib_slice_4_apk.apk！/ lib / armeabi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ = = / split_lib_slice_5_apk.apk！/ lib / armeabi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== /split_lib_slice_6_apk.apk！/ lib / armeabi-v7a，/ data / app / myapp.com.myapp- EPX9OHQHpG7_cpLXw2wCXQ == / split_lib_slice_7_apk.apk！/ lib / armeabi-v7a，/ data / app / myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ== /split_lib_slice_8_apk.apk！/ lib / armaabi-v7a，/ data / app / myapp.com。 myapp-EPX9OHQHpG7_cpLXw2wCXQ == / split_lib_slice_9_apk.apk！/ lib / armeabi-v7a，/ system / lib，/ vendor / lib]]，位于java.lang.ClassLoader的dalvik.system.BaseDexClassLoader.findClass（BaseDexClassLoader.java:125）。 loadClass（ClassLoader.java:379）at java.lang.ClassLoader.loadClass（ClassLoader.java:312）... 24 more抑制：java.io.IOException：找不到dex location / data / app / myapp的原始dex文件.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ == / split_lib_resources_apk.apk a t dalvik.system.DexFile.openDexFileNative(Native Method) at dalvik.system.DexFile.openDexFile(DexFile.java:353) at dalvik.system.DexFile.(DexFile.java:100) at dalvik.system.DexFile.(DexFile.java:74) at dalvik.system.DexPathList.loadDexFile(DexPathList.java:374) at dalvik.system.DexPathList.makeDexElements(DexPathList.java:337) at dalvik.system.DexPathList.(DexPathList.java:157) at dalvik.system.BaseDexClassLoader.(BaseDexClassLoader.java:65) at dalvik.system.PathClassLoader.(PathClassLoader.java:64) at com.android.internal.os.ClassLoaderFactory.createClassLoader(ClassLoaderFactory.java:73) at com.android.internal.os.ClassLoaderFactory.createClassLoader(ClassLoaderFactory.java:88) 2019-05-08 12:41:40.491 16013-16013/? dalvik.system.DexFile.openDexFileNative（本地方法），位于dalvik.system.DexFile的dalvik.system.DexFile.openDexFile（DexFile.java:353）。（dexFile.java：100）dalvik.system.DexFile。（DexFile） .dava：74）在dalvik.system.DexPathList.loadDexFile（DexPathList.java：374）dalvik.system.DexPathList.makeDexElements（DexPathList.java:337）dalvik.system.DexPathList。（DexPathList.java:157）at dalvik.system.BaseDexClassLoader。（BaseDexClassLoader.java:65）位于com.android的com.android.internal.os.ClassLoaderFactory.createClassLoader（ClassLoaderFactory.java:73）的dalvik.system.PathClassLoader。（PathClassLoader.java:64） .internal.os.ClassLoaderFactory.createClassLoader（ClassLoaderFactory.java:88)2019-05-08 12:41:40.491 16013-16013 /？ E/AndroidRuntime: at android.app.ApplicationLoaders.getClassLoader(ApplicationLoaders.java:69) at android.app.ApplicationLoaders.getClassLoader(ApplicationLoaders.java:35) at android.app.LoadedApk.createOrUpdateClassLoaderLocked(LoadedApk.java:693) at android.app.LoadedApk.getClassLoader(LoadedApk.java:727) at android.app.LoadedApk.getResources(LoadedApk.java:954) at android.app.ContextImpl.createAppContext(ContextImpl.java:2270) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5654) ... 8 more Suppressed: java.io.IOException: No original dex files found for dex location /data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_7_apk.apk at dalvik.system.DexFile.openDexFileNative(Native Method) at dalvik.system.DexFile.openDexFile(DexFile.java:353) at dalvik.system.DexFile.(DexFile.java:100) at dalvik.system.DexFile.(DexFile.java:74) at dalvik.system.DexPathList.loadDexFile(DexPathList.java:374) at dalvik.system.DexPathList.makeDexElements(DexPathList.ja E / AndroidRuntime：在android.app.ApplicationLoaders.getClassLoader（ApplicationLoaders.java:69）的android.app.ApplicationLoaders.getClassLoader（ApplicationLoaders.java：69），在android.app.LoadedApk.createOrUpdateClassLoaderLocked（LoadedApk.java:693）在Android.app.ActivityThread的android.app.LoadedApk.getResources（LoadedApk.java:954）android.app.ContextImpl.createAppContext（ContextImpl.java:2270）的android.app.LoadedApk.getClassLoader（LoadedApk.java:727） .handleBindApplication（ActivityThread.java:5654）... 8更多抑制：java.io.IOException：找不到dex位置的原始dex文件/data/app/myapp.com.myapp-EPX9OHQHpG7_cpLXw2wCXQ==/split_lib_slice_7_apk.apk在dalvik dalvik.system.DexFile上的dalvik.system.DexFile.openDexFile（DexFile.java:353）的.system.DexFile.openDexFileNative（本地方法）。在dalvik.system.DexFile上的（dexFile.java:100）。（DexFile.java） ：74）在dalvik.system.DexPathList.loadDexFile（DexPathList.java：374）dalvik.system.DexPathList.makeDexElements（DexPathList.ja） va:337) at dalvik.system.DexPathList.(DexPathList.java:157) at dalvik.system.BaseDexClassLoader.(BaseDexClassLoader.java:65) at dalvik.system.PathClassLoader.(PathClassLoader.java:64) at com.android.internal.os.ClassLoaderFactory.createClassLoader(ClassLoaderFactory.java:73) at com.android.internal.os.ClassLoaderFactory.createClassLoader(ClassLoaderFactory.java:88) at android.app.ApplicationLoaders.getClassLoader(ApplicationLoaders.java:69) at android.app.ApplicationLoaders.getClassLoader(ApplicationLoaders.java:35) at android.app.LoadedApk.createOrUpdateClassLoaderLocked(LoadedApk.java:693) at android.app.LoadedApk.getClassLoader(LoadedApk.java:727) at android.app.LoadedApk.getResources(LoadedApk.java:954) at android.app.ContextImpl.createAppContext(ContextImpl.java:2270) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5654) ... 8 more va：337）at dalvik.system.DexPathList。（DexPathList.java:157）dalvik.system.BaseDexClassLoader。（BaseDexClassLoader.java:65）at dalvik.system.PathClassLoader。（PathClassLoader.java:64）at com.android .internal.os.ClassLoaderFactory.createClassLoader（ClassLoaderFactory.java:73）位于android.app.ApplicationLoaders.getClassLoader（ApplicationLoaders.java:69）的com.android.internal.os.ClassLoaderFactory.createClassLoader（ClassLoaderFactory.java:88） android.app.LoadedApk上的android.app.LoadedApk.createOrUpdateClassLoaderLocked（LoadedApk.java:693）的android.app.ApplicationLoaders.getClassLoader（ApplicationLoaders.java:35）位于android.app.LoadedApk的android.app.LoadedApk.getClassLoader（LoadedApk.java:727） .getResources（LoadedApk.java:954）在android.app.ActivityThread.handleBindApplication（ActivityThread.java:5654）的android.app.ContextImpl.createAppContext（ContextImpl.java:2270）... 8更多
