电子邮件程序工作，我不知道为什么

Question

我在网站上使用的电子邮件程序：Sending emails without User intervention。

该程序运行没有问题，并没有崩溃，但电子邮件不会发送，我确实得到了我的日志猫的错误列表，我不知道为什么。

我唯一的权限是互联网，我不确定是否有任何其他我需要这个程序。

任何帮助将不胜感激，谢谢你的时间。

这里是日志的猫：

06-22 15:41:52.216: E/MailApp(675): Could not send email 
06-22 15:41:52.216: E/MailApp(675): android.os.NetworkOnMainThreadException 
06-22 15:41:52.216: E/MailApp(675):  at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1099) 
06-22 15:41:52.216: E/MailApp(675):  at java.net.InetAddress.lookupHostByName(InetAddress.java:391) 
06-22 15:41:52.216: E/MailApp(675):  at java.net.InetAddress.getLocalHost(InetAddress.java:371) 
06-22 15:41:52.216: E/MailApp(675):  at javax.mail.internet.InternetAddress.getLocalAddress(InternetAddress.java:517) 
06-22 15:41:52.216: E/MailApp(675):  at javax.mail.internet.UniqueValue.getUniqueMessageIDValue(UniqueValue.java:99) 
06-22 15:41:52.216: E/MailApp(675):  at javax.mail.internet.MimeMessage.updateMessageID(MimeMessage.java:2054) 
06-22 15:41:52.216: E/MailApp(675):  at javax.mail.internet.MimeMessage.updateHeaders(MimeMessage.java:2076) 
06-22 15:41:52.216: E/MailApp(675):  at javax.mail.internet.MimeMessage.saveChanges(MimeMessage.java:2042) 
06-22 15:41:52.216: E/MailApp(675):  at javax.mail.Transport.send(Transport.java:117) 
06-22 15:41:52.216: E/MailApp(675):  at com.dummies.android.SuperMailTest3.Mail.send(Mail.java:106) 
06-22 15:41:52.216: E/MailApp(675):  at com.dummies.android.SuperMailTest3.SuperMailTest3Activity$1.onClick(SuperMailTest3Activity.java:41) 
06-22 15:41:52.216: E/MailApp(675):  at android.view.View.performClick(View.java:3511) 
06-22 15:41:52.216: E/MailApp(675):  at android.view.View$PerformClick.run(View.java:14105) 
06-22 15:41:52.216: E/MailApp(675):  at android.os.Handler.handleCallback(Handler.java:605) 
06-22 15:41:52.216: E/MailApp(675):  at android.os.Handler.dispatchMessage(Handler.java:92) 
06-22 15:41:52.216: E/MailApp(675):  at android.os.Looper.loop(Looper.java:137) 
06-22 15:41:52.216: E/MailApp(675):  at android.app.ActivityThread.main(ActivityThread.java:4424) 
06-22 15:41:52.216: E/MailApp(675):  at java.lang.reflect.Method.invokeNative(Native Method) 
06-22 15:41:52.216: E/MailApp(675):  at java.lang.reflect.Method.invoke(Method.java:511) 
06-22 15:41:52.216: E/MailApp(675):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 
06-22 15:41:52.216: E/MailApp(675):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 
06-22 15:41:52.216: E/MailApp(675):  at dalvik.system.NativeStart.main(Native Method) 

Answer 1

你正在做的UI线程的网络连接，另外你有你的设备上启用了严格模式。

在后台线程中建立连接或在开发人员设置中关闭严格模式。第一个建议。