我正在将 Flutter 与为 Android 启用的 MultiDex 构建器一起使用，但遇到了一个非常棘手的问题。我的应用程序运行时没有任何异常，但是当video_player添加包时，它在启动时崩溃了：
FATAL EXCEPTION: main
Process: com.rsg.anygoal, PID: 5883
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.rsg.anygoal/com.rsg.anygoal.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.rsg.anygoal.MainActivity" on path: DexPathList[[zip file "/data/app/com.rsg.anygoal-tCKWlQXJD-iwdHtVRl0qqA==/base.apk"],nativeLibraryDirectories=[/data/app/com.rsg.anygoal-tCKWlQXJD-iwdHtVRl0qqA==/lib/x86, /data/app/com.rsg.anygoal-tCKWlQXJD-iwdHtVRl0qqA==/base.apk!/lib/x86, /system/lib, /vendor/lib]]
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2679)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.rsg.anygoal.MainActivity" on path: DexPathList[[zip file "/data/app/com.rsg.anygoal-tCKWlQXJD-iwdHtVRl0qqA==/base.apk"],nativeLibraryDirectories=[/data/app/com.rsg.anygoal-tCKWlQXJD-iwdHtVRl0qqA==/lib/x86, /data/app/com.rsg.anygoal-tCKWlQXJD-iwdHtVRl0qqA==/base.apk!/lib/x86, /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)
at android.app.Instrumentation.newActivity(Instrumentation.java:1174) …