Firebase Runloop(3.0.0)中未捕获的异常在我的生产Android应用程序中.请报告至[e-mail] [英] Uncaught exception in Firebase runloop (3.0.0) In my production Android app. Please report to [e-mail]

问题描述

我知道StackOverflow中已经有很多问题.但是我没有发现这些问题可以解决我的问题.

I know there are already many issues in StackOverflow. But I didn't found any of these fixed my issue.

我的Android应用正在生产中，几乎每天我都会从用户那里收到此错误.

My Android app is in production and I am getting this error almost everyday from my user.

Fatal Exception: java.lang.RuntimeException: Uncaught exception in Firebase runloop (3.0.0). Please report to [e-mail]
   at com.google.android.gms.internal.zzagf$1$1.run(Unknown Source)
   at android.os.Handler.handleCallback(Handler.java:815)
   at android.os.Handler.dispatchMessage(Handler.java:104)
   at android.os.Looper.loop(Looper.java:194)
   at android.app.ActivityThread.main(ActivityThread.java:5763)
   at java.lang.reflect.Method.invoke(Method.java)
   at java.lang.reflect.Method.invoke(Method.java:372)
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:960)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by java.util.ConcurrentModificationException
   at java.util.HashMap$HashIterator.remove(HashMap.java:805)
   at bvi.l(:com.google.android.gms.DynamiteModulesC:648)
   at bvi.a(:com.google.android.gms.DynamiteModulesC:388)
   at buw.a(:com.google.android.gms.DynamiteModulesC:82)
   at buw.a(:com.google.android.gms.DynamiteModulesC:4199)
   at bvz.b(:com.google.android.gms.DynamiteModulesC:226)
   at bvz.a(:com.google.android.gms.DynamiteModulesC:271)
   at bwg.run(:com.google.android.gms.DynamiteModulesC:1020)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422)
   at java.util.concurrent.FutureTask.run(FutureTask.java:237)
   at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:152)
   at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:265)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
   at java.lang.Thread.run(Thread.java:818)

这个问题确实很烦人，也可能导致我失去用户.

This issue is really annoying and it might also cause me loosing users.

我的build.gradle:

My build.gradle:

compile 'com.google.android.gms:play-services-auth:9.2.1'
compile 'com.google.firebase:firebase-database:9.2.1'
compile 'com.google.firebase:firebase-auth:9.2.1'
compile 'com.google.firebase:firebase-invites:9.2.1'
compile 'com.firebaseui:firebase-ui-database:0.4.0'

注意:我没有使用Firebase崩溃报告，因为它正在创建不同的进程，这也可能是导致此缺陷的原因.但是不知道为什么我仍然会遇到这个缺陷.

NOTE: I am not using Firebase Crash Reporting, since it is creating a different Process which also can be the cause of this defect. But dont know why I still get this defect.

我已经问过这个闲散的社区了.似乎他们无法帮助我，因为代码被混淆了.

I have already asked the slack community about this. Seems like they are not able to help me because the code is obfuscated.

这是我的应用程序链接: 2048实时

Here is my app link: 2048 Live

推荐答案

如果您使用的是事务处理方法，则如果用户在上次事务处理之前的很短时间内反复点击按钮(创建多个事务处理请求)，则会发生错误完成.

If you're using transaction method, the error occurs if the user taps the button repeatedly (creating multiple transaction requests) and in a short time before the previous transaction finished.

我遇到了同样的问题，如果可以在短时间内完成操作，则我的解决方案是避免使用事务处理方法.

I had the same problem and my solution in my app is by avoiding transaction method if the operation can be done in a short time.

或者您可以禁用该按钮并在上一个事务完成时启用它，或者防止用户滥用该按钮.

Or you can disable the button and enable it when the previous transaction is finished or prevent the user from abusing the button.

private void onLikeButtonClicked() {
    likeButton.setEnabled(false);
    ref.runTransaction(new Transaction.Handler() {
        @Override
        public Transaction.Result doTransaction(MutableData mutableData) {
            // transaction operation 
            return Transaction.success(mutableData);
        }

        @Override
        public void onComplete(DatabaseError databaseError, boolean b,
                               DataSnapshot dataSnapshot) {
            likeButton.setEnabled(true);
        }
    });
}

希望您能理解我的解释，希望对您有所帮助:)

I hope you understand my explanation, hope this helps :)

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