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我创建了一个使用amplify_auth_cognito和amplify_core包进行身份验证的 Flutter 应用程序。

在调试模式下，应用程序运行良好，没有任何问题。即使从 TestFlight 安装，iOS 版本也可以正常工作。

但是，当我在物理 Android 设备上以发布模式运行创建的 apk 时，每当我单击调用Amplify.Auth.signIn(username, password)函数的按钮时，整个应用程序都会崩溃。

应用程序崩溃日志说：

time: 1604934616377
msg: java.lang.NoSuchFieldException: SUCCESS
stacktrace: java.lang.AssertionError: java.lang.NoSuchFieldException: SUCCESS
    at c.b.b.w.n.n$j0.<init>(Unknown Source:87)
    at c.b.b.w.n.n$w.a(Unknown Source:29)
    at c.b.b.e.a(Unknown Source:74)
    at c.b.b.w.n.i.a(Unknown Source:42)
    at c.b.b.w.n.i.a(Unknown Source:123)
    at c.b.b.w.n.i.a(Unknown Source:22)
    at c.b.b.e.a(Unknown Source:74)
    at c.b.b.e.a(Unknown Source:4)
    at c.b.b.e.a(Unknown Source:8)
    at c.b.b.e.a(Unknown Source:5)
    at c.b.b.e.a(Unknown Source:13)
    at com.amazonaws.amplify.amplify_auth_cognito.types.FlutterFetchCognitoAuthSessionResult.a(Unknown Source:4)
    at com.amazonaws.amplify.amplify_auth_cognito.types.FlutterFetchCognitoAuthSessionResult.a(Unknown Source:42)
    at com.amazonaws.amplify.amplify_auth_cognito.AuthCognito$prepareCognitoSessionResult$1.run(Unknown Source:8)
    at android.os.Handler.handleCallback(Handler.java:883)
    at android.os.Handler.dispatchMessage(Handler.java:100)
    at android.os.Looper.loop(Looper.java:214)
    at android.app.ActivityThread.main(ActivityThread.java:7398)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:924)
Caused by: java.lang.NoSuchFieldException: SUCCESS
    at java.lang.Class.getField(Class.java:1604)
    at c.b.b.w.n.n$j0.<init>(Unknown Source:34)
    ... 20 more

知道为什么会发生这种情况以及如何解决吗？

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