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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 GitHub by Barganax
, 2 years ago
Could not execute method for android:onClick
via Stack Overflow by Alex Webber
, 2 years ago
Could not execute method for android:onClick
via Stack Overflow by Waterfront
, 2 years ago
Could not execute method for android:onClick
via Stack Overflow by Hacan Champ
, 1 year ago
Could not execute method for android:onClick
via Stack Overflow by sAdnan
, 1 year ago
Could not execute method for android:onClick
via Stack Overflow by HARSHIL JAIN
, 1 year ago
Could not execute method for android:onClick
android.os.NetworkOnMainThreadException: 	at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1147)	at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:110)	at libcore.io.IoBridge.connectErrno(IoBridge.java:137)	at libcore.io.IoBridge.connect(IoBridge.java:122)	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:183)	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:456)	at java.net.Socket.connect(Socket.java:882)	at com.android.okhttp.internal.Platform.connectSocket(Platform.java:139)	at com.android.okhttp.Connection.connect(Connection.java:1171)	at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:380)	at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:289)	at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:373)	at com.android.okhttp.internal.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:106)	at com.android.okhttp.internal.http.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:208)	at net.tchouny.httppost.MainActivity.httpPost(MainActivity.java:48)	at java.lang.reflect.Method.invoke(Native Method)	at java.lang.reflect.Method.invoke(Method.java:372)	at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:288)	at android.view.View.performClick(View.java:5156)	at android.view.View$PerformClick.run(View.java:20755)	at android.os.Handler.handleCallback(Handler.java:739)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:145)	at android.app.ActivityThread.main(ActivityThread.java:5832)	at java.lang.reflect.Method.invoke(Native Method)	at java.lang.reflect.Method.invoke(Method.java:372)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)