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  1. ,
    via Stack Overflow by Razgriz

    Happens when you make a network call on the main UI thread of the Android application which results in a UI freeze until the network call is complete and the response is received. Instead, execute the network calls in the background: use AsyncTask.

  2. ,

    An alternative for just getting rid of the Exception is use StrictMode.ThreadPolicy to force execute on main thread.

    StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();

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via Stack Overflow by skynyrd
, 1 year ago
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, 2 years ago
via Stack Overflow by Antu
, 2 years ago
This exception has no message.
via Stack Overflow by Sa Kan
, 2 months ago
This exception has no message.
via Google Groups by Kumamoto Shingo, 10 months ago
via Stack Overflow by Rob
, 2 years ago
android.os.NetworkOnMainThreadException: 	at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(	at	at	at	at	at	at$Address.connect(	at	at	at	at	at	at	at	at org.ksoap2.transport.ServiceConnectionSE.connect(	at	at	at com.example.webserviceexample.MainActivity$1.onClick(	at android.view.View.performClick(	at android.view.View$	at android.os.Handler.handleCallback(	at android.os.Handler.dispatchMessage(	at android.os.Looper.loop(	at	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(	at$	at	at dalvik.system.NativeStart.main(Native Method)