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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 Humty
, 1 year ago
Unable to start activity ComponentInfo{com.example.awais.fine/com.example.awais.fine.FineMain}: android.os.NetworkOnMainThreadException
via Stack Overflow by user3926081
, 2 years ago
Unable to start activity ComponentInfo{com.example.gpschat/com.example.gpschat.MainActivity}: android.os.NetworkOnMainThreadException
via Stack Overflow by WescoT
, 2 years ago
Unable to start activity ComponentInfo{com.wescot.xxxx/com.wescot.xxx.MainActivity}: android.os.NetworkOnMainThreadException
via Stack Overflow by stiw47
, 2 years ago
Unable to start activity ComponentInfo{stiw47.logos/stiw47.logos.AndroidRssReader}: android.os.NetworkOnMainThreadException
via Stack Overflow by user3243651
, 1 year ago
Unable to start activity ComponentInfo{com.example.stomp/com.example.stomp.MainActivity}: android.os.NetworkOnMainThreadException
via myonestopforum.com by Unknown author, 2 years ago
Unable to start activity ComponentInfo{com.example.androiddownloader/com.example.androiddownloader.MainActivity}: android.os.NetworkOnMainThreadException
android.os.NetworkOnMainThreadException: 	at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1145)	at java.net.InetAddress.lookupHostByName(InetAddress.java:385)	at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)	at java.net.InetAddress.getAllByName(InetAddress.java:214)	at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)	at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)	at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)	at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)	at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)	at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)	at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)	at com.android.okhttp.internal.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:89)	at org.jsoup.helper.HttpConnection$Response.execute(HttpConnection.java:563)	at org.jsoup.helper.HttpConnection$Response.execute(HttpConnection.java:540)	at org.jsoup.helper.HttpConnection.execute(HttpConnection.java:227)	at org.jsoup.helper.HttpConnection.get(HttpConnection.java:216)	at com.example.awais.fine.FineMain.test(FineMain.java:31)	at com.example.awais.fine.FineMain.onCreate(FineMain.java:25)	at android.app.Activity.performCreate(Activity.java:5318)	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1090)	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)