Method getAccessToken throws NetworkOnMainThreadException

[witoldgraca]

03-08 12:04:39.355: WARN/System.err(8045): android.os.NetworkOnMainThreadException
03-08 12:04:39.360: WARN/System.err(8045): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1099)
03-08 12:04:39.360: WARN/System.err(8045): at java.net.InetAddress.lookupHostByName(InetAddress.java:391)
03-08 12:04:39.365: WARN/System.err(8045): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:242)
03-08 12:04:39.365: WARN/System.err(8045): at java.net.InetAddress.getAllByName(InetAddress.java:220)
03-08 12:04:39.370: WARN/System.err(8045): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:71)
03-08 12:04:39.370: WARN/System.err(8045): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
03-08 12:04:39.375: WARN/System.err(8045): at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:351)
03-08 12:04:39.375: WARN/System.err(8045): at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:86)
03-08 12:04:39.380: WARN/System.err(8045): at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
03-08 12:04:39.380: WARN/System.err(8045): at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:308)
03-08 12:04:39.380: WARN/System.err(8045): at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:460)
03-08 12:04:39.385: WARN/System.err(8045): at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:432)
03-08 12:04:39.385: WARN/System.err(8045): at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:282)
03-08 12:04:39.390: WARN/System.err(8045): at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:232)
03-08 12:04:39.390: WARN/System.err(8045): at libcore.net.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:80)
03-08 12:04:39.395: WARN/System.err(8045): at libcore.net.http.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:188)
03-08 12:04:39.395: WARN/System.err(8045): at libcore.net.http.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:280)
03-08 12:04:39.400: WARN/System.err(8045): at org.scribe.model.Request.addBody(Request.java:120)
03-08 12:04:39.400: WARN/System.err(8045): at org.scribe.model.Request.doSend(Request.java:99)
03-08 12:04:39.405: WARN/System.err(8045): at org.scribe.model.Request.send(Request.java:63)
03-08 12:04:39.405: WARN/System.err(8045): at org.scribe.model.OAuthRequest.send(OAuthRequest.java:12)
03-08 12:04:39.405: WARN/System.err(8045): at org.scribe.oauth.NKOAuthServiceImpl.getAccessToken(NKOAuthServiceImpl.java:43)
03-08 12:04:39.410: WARN/System.err(8045): at pl.nk.android.NKExample.getAccessToken(NKExample.java:150)
03-08 12:04:39.410: WARN/System.err(8045): at pl.nk.android.NKExample.showAccessToken(NKExample.java:173)
03-08 12:04:39.415: WARN/System.err(8045): at pl.nk.android.NKExample$3.onClick(NKExample.java:76)
03-08 12:04:39.415: WARN/System.err(8045): at android.view.View.performClick(View.java:3627)
03-08 12:04:39.420: WARN/System.err(8045): at android.view.View$PerformClick.run(View.java:14329)
03-08 12:04:39.420: WARN/System.err(8045): at android.os.Handler.handleCallback(Handler.java:605)
03-08 12:04:39.420: WARN/System.err(8045): at android.os.Handler.dispatchMessage(Handler.java:92)
03-08 12:04:39.425: WARN/System.err(8045): at android.os.Looper.loop(Looper.java:137)
03-08 12:04:39.425: WARN/System.err(8045): at android.app.ActivityThread.main(ActivityThread.java:4511)
03-08 12:04:39.425: WARN/System.err(8045): at java.lang.reflect.Method.invokeNative(Native Method)
03-08 12:04:39.430: WARN/System.err(8045): at java.lang.reflect.Method.invoke(Method.java:511)
03-08 12:04:39.430: WARN/System.err(8045): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:980)
03-08 12:04:39.430: WARN/System.err(8045): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:747)
03-08 12:04:39.435: WARN/System.err(8045): at dalvik.system.NativeStart.main(Native Method)
03-08 12:04:39.435: WARN/System.err(8045): java.lang.NullPointerException
03-08 12:04:39.440: WARN/System.err(8045): at pl.nk.android.NKExample.showAccessToken(NKExample.java:173)
03-08 12:04:39.440: WARN/System.err(8045): at pl.nk.android.NKExample$3.onClick(NKExample.java:76)
03-08 12:04:39.440: WARN/System.err(8045): at android.view.View.performClick(View.java:3627)
03-08 12:04:39.440: WARN/System.err(8045): at android.view.View$PerformClick.run(View.java:14329)
03-08 12:04:39.445: WARN/System.err(8045): at android.os.Handler.handleCallback(Handler.java:605)
03-08 12:04:39.445: WARN/System.err(8045): at android.os.Handler.dispatchMessage(Handler.java:92)
03-08 12:04:39.445: WARN/System.err(8045): at android.os.Looper.loop(Looper.java:137)
03-08 12:04:39.450: WARN/System.err(8045): at android.app.ActivityThread.main(ActivityThread.java:4511)
03-08 12:04:39.460: WARN/System.err(8045): at java.lang.reflect.Method.invokeNative(Native Method)
03-08 12:04:39.460: WARN/System.err(8045): at java.lang.reflect.Method.invoke(Method.java:511)
03-08 12:04:39.465: WARN/System.err(8045): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:980)
03-08 12:04:39.465: WARN/System.err(8045): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:747)
03-08 12:04:39.465: WARN/System.err(8045): at dalvik.system.NativeStart.main(Native Method)

This makes impossible to get required access token. The same applies to makeDataRequest methods. This exception happens on API levels 11+ as described in Android documentation (http://developer.android.com/reference/android/os/NetworkOnMainThreadException.html)