java.lang.IllegalStateException: Could not execute method for android:onClick

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Samebug tips

,
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.

,

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
, 1 year ago
Could not execute method for android:onClick
via Stack Overflow by Alex Webber
, 1 year ago
Could not execute method for android:onClick
via Stack Overflow by Waterfront
, 1 year 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
java.lang.IllegalStateException: Could not execute method for android:onClick
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 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.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)

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