NetworkOnMainThreadException error

[WARN] W/System.err: android.os.NetworkOnMainThreadException
[WARN] W/System.err: at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1147)
[WARN] W/System.err: at com.android.org.conscrypt.OpenSSLSocketImpl$SSLOutputStream.write(OpenSSLSocketImpl.java:855)
[WARN] W/System.err: at com.android.okio.Okio$1.write(Okio.java:73)
[WARN] W/System.err: at com.android.okio.RealBufferedSink.flush(RealBufferedSink.java:154)
[WARN] W/System.err: at com.android.okhttp.internal.http.HttpConnection.flush(HttpConnection.java:130)
[WARN] W/System.err: at com.android.okhttp.internal.http.HttpTransport.flushRequest(HttpTransport.java:80)
[WARN] W/System.err: at com.android.okhttp.internal.http.HttpEngine.readResponse(HttpEngine.java:796)
[WARN] W/System.err: at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:405)
[WARN] W/System.err: at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:349)
[WARN] W/System.err: at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:203)
[WARN] W/System.err: at com.android.okhttp.internal.http.DelegatingHttpsURLConnection.getInputStream(DelegatingHttpsURLConnection.java:210)
[WARN] W/System.err: at com.android.okhttp.internal.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:25)
[WARN] W/System.err: at java.net.URL.openStream(URL.java:470)
[WARN] W/System.err: at com.miga.imagesize.TiImagesizeModule.getSize(TiImagesizeModule.java:69)
[WARN] W/System.err: at org.appcelerator.kroll.runtime.v8.V8Object.nativeCallProperty(Native Method)
[WARN] W/System.err: at org.appcelerator.kroll.runtime.v8.V8Object.callProperty(V8Object.java:73)
[WARN] W/System.err: at org.appcelerator.kroll.KrollProxy.handleMessage(KrollProxy.java:1109)
[WARN] W/System.err: at android.os.Handler.dispatchMessage(Handler.java:98)
[WARN] W/System.err: at android.os.Looper.loop(Looper.java:145)
[WARN] W/System.err: at android.app.ActivityThread.main(ActivityThread.java:6938)
[WARN] W/System.err: at java.lang.reflect.Method.invoke(Native Method)
[WARN] W/System.err: at java.lang.reflect.Method.invoke(Method.java:372)
[WARN] W/System.err: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
[WARN] W/System.err: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)