需要帮助调试电子邮件code [英] Need Help Debugging Email Code

问题描述

我想知道，如果有人可以帮助我调试。我目前使用code的：

I was wondering if someone could help me with debugging. I am currently using the code in:

<一个href=\"http://stackoverflow.com/questions/2020088/sending-email-in-android-using-javamail-api-without-using-the-default-built-in-a\">Sending使用JavaMail API，而无需使用电子邮件中的Andr​​oid默认/内置应用

和已使用所有code的指示。输入我的电子邮件字段后，我无法获得电子邮件发送。我注意到GMailSender.java，它似乎有code的缺失一块一块code的。

and have used all of the code as directed. After inputting my email fields, I was unable to get email to be sent. I noticed a piece of code in GMailSender.java, where it seemed that there was a missing piece of code.

}catch(Exception e){

}

知道我已经调试了code的每一个方面，我加了一个Log.e，像这样。

Knowing that I had debugged every other part of the code, I added a Log.e, as so.

}catch(Exception e){
    Log.e("GmailDebug", e.getMessage(), e); 
}

其结果是，我注意到，我得到了以下日志。

As a result, I noticed that I got the following logs.

01-16 22:22:38.933: E/GmailDebug(4487): null
01-16 22:22:38.933: E/GmailDebug(4487): android.os.NetworkOnMainThreadException

先注释掉线，系统地取消注释在他们之后，我终于能够确定，我没有得到任何日志，直到我注释掉行

After commenting out the lines beforehand and systematically uncommenting them, I finally was able to determine that I didn't get any logs until I uncommented the line

Transport.send(message);

有人能帮助我，并告诉我，我该怎么prevent这些错误？谢谢！

Can someone help me out, and tell me how I can prevent these errors? Thanks!

推荐答案

这是因为你在主线程中进行网络操作，这是不允许在Android 3.0及以上。即使是在服务，服务是在UI线程上运行，除非您特别推出他们在另一个线程或创建里面的线程。

This happens because you are doing a network operation on the main thread, and this is not allowed on Android 3.0 and above. Even though it is in a service, services are run on the UI thread unless you specifically launch them in another thread or create a thread inside it.

您可以通过运行在后台任务线程关闭主UI线程，使用的发或 AsyncTask的。

You can fix this by running the task in a background thread off the main UI thread, by using a Thread or an AsyncTask.

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