Apps Send email without user intervention(no intent) in android

[Ali441]

Hi,

Iam getting this error in email without using intent.
Please help me

02-12 18:04:01.647: E/MailApp(11838): Could not send email
02-12 18:04:01.647: E/MailApp(11838): android.os.NetworkOnMainThreadException
02-12 18:04:01.647: E/MailApp(11838): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1128)
02-12 18:04:01.647: E/MailApp(11838): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
02-12 18:04:01.647: E/MailApp(11838): at java.net.InetAddress.getLocalHost(InetAddress.java:365)
02-12 18:04:01.647: E/MailApp(11838): at javax.mail.internet.InternetAddress.getLocalAddress(InternetAddress.java:517)
02-12 18:04:01.647: E/MailApp(11838): at javax.mail.internet.UniqueValue.getUniqueMessageIDValue(UniqueValue.java:99)
02-12 18:04:01.647: E/MailApp(11838): at javax.mail.internet.MimeMessage.updateMessageID(MimeMessage.java:2054)
02-12 18:04:01.647: E/MailApp(11838): at javax.mail.internet.MimeMessage.updateHeaders(MimeMessage.java:2076)
02-12 18:04:01.647: E/MailApp(11838): at javax.mail.internet.MimeMessage.saveChanges(MimeMessage.java:2042)
02-12 18:04:01.647: E/MailApp(11838): at javax.mail.Transport.send(Transport.java:117)
02-12 18:04:01.647: E/MailApp(11838): at com.example.mailsendauto.Mail.send(Mail.java:109)
02-12 18:04:01.647: E/MailApp(11838): at com.example.mailsendauto.MainActivity$1.onClick(MainActivity.java:33)
02-12 18:04:01.647: E/MailApp(11838): at android.view.View.performClick(View.java:4383)
02-12 18:04:01.647: E/MailApp(11838): at android.view.View$PerformClick.run(View.java:18097)
02-12 18:04:01.647: E/MailApp(11838): at android.os.Handler.handleCallback(Handler.java:725)
02-12 18:04:01.647: E/MailApp(11838): at android.os.Handler.dispatchMessage(Handler.java:92)
02-12 18:04:01.647: E/MailApp(11838): at android.os.Looper.loop(Looper.java:137)
02-12 18:04:01.647: E/MailApp(11838): at android.app.ActivityThread.main(ActivityThread.java:5279)
02-12 18:04:01.647: E/MailApp(11838): at java.lang.reflect.Method.invokeNative(Native Method)
02-12 18:04:01.647: E/MailApp(11838): at java.lang.reflect.Method.invoke(Method.java:511)
02-12 18:04:01.647: E/MailApp(11838): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102)
02-12 18:04:01.647: E/MailApp(11838): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869)
02-12 18:04:01.647: E/MailApp(11838): at dalvik.system.NativeStart.main(Native Method)

Thanks

 

[GeorgeN]

The problem is that you aren't allowed to call networking API's on your main thread. Accessing the network is slow and if you block your main thread your application will hang until the operation is complete. You need to create a background thread or AsyncTask.