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Samebug tips

  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();
    StrictMode.setThreadPolicy(policy);
    

Solutions on the web

via Stack Overflow by Lizzie
, 1 year ago
Unable to start activity ComponentInfo{com.uploadtonas_03/com.uploadtonas_03.MainActivity}: android.os.NetworkOnMainThreadException
via Stack Overflow by Unknown author, 2 years ago
Unable to start activity ComponentInfo{com.example.lo2i03/com.example.lo2i03.MainActivity}: android.os.NetworkOnMainThreadException
via Stack Overflow by Dummy1234
, 2 years ago
Unable to start activity ComponentInfo{com.android.destinationurl/com.android.destinationurl.DestinationURL}: android.os.NetworkOnMainThreadException
via Stack Overflow by imran
, 2 years ago
Unable to start activity ComponentInfo{com.regsiteration.regfi/com.regsiteration.regfi.Main}: android.os.NetworkOnMainThreadException
via Stack Overflow by NagarjunaReddy
, 2 years ago
Unable to start activity ComponentInfo{com.example.a/com.example.a.MainActivity}: android.os.NetworkOnMainThreadException
via Stack Overflow by Dite Gashi
, 2 years ago
Unable to start activity ComponentInfo{com.example.ams/com.example.ams.UserPage}: android.os.NetworkOnMainThreadException
android.os.NetworkOnMainThreadException: 	at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1133)	at java.net.InetAddress.lookupHostByName(InetAddress.java:385)	at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)	at java.net.InetAddress.getByName(InetAddress.java:289)	at org.apache.commons.net.SocketClient.connect(SocketClient.java:209)	at com.uploadtonas_03.MainActivity.onCreate(MainActivity.java:24)	at android.app.Activity.performCreate(Activity.java:5133)	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2214)