Error when adding SdkVersion="14"

Hi,

I have an activity with a widget which updates on click. When i am adding android:targetSdkVersion=14 to the existing code in the AndroidManifest.xml its giving me following error "unfortunately, has stopped" and application stops working. but some times it works fine.
below is the error in the log:


quotes4x2_hc_responsesuccess (java line: 102)
android.os.NetworkOnMainThreadException
at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1118)
at libcore.io.BlockGuardOs.recvfrom(BlockGuardOs.java:163)
at libcore.io.IoBridge.recvfrom(IoBridge.java:513)
at java.net.PlainSocketImpl.read(PlainSocketImpl.java:488)
at java.net.PlainSocketImpl.access$000(PlainSocketImpl.java:46)
at java.net.PlainSocketImpl$PlainSocketInputStream.read(PlainSocketImpl.java:240)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103)
at org.apache.http.impl.io.AbstractSessionInputBuffer.read(AbstractSessionInputBuffer.java:120)
at org.apache.http.impl.io.ChunkedInputStream.getChunkSize(ChunkedInputStream.java:211)
at org.apache.http.impl.io.ChunkedInputStream.nextChunk(ChunkedInputStream.java:183)
at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:155)
at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:175)
at org.apache.http.impl.io.ChunkedInputStream.exhaustInputStream(ChunkedInputStream.java:289)
at org.apache.http.impl.io.ChunkedInputStream.close(ChunkedInputStream.java:262)
at org.apache.http.conn.BasicManagedEntity.streamClosed(BasicManagedEntity.java:179)
at org.apache.http.conn.EofSensorInputStream.checkClose(EofSensorInputStream.java:266)
at org.apache.http.conn.EofSensorInputStream.close(EofSensorInputStream.java:213)
at java.io.InputStreamReader.close(InputStreamReader.java:145)
at org.apache.http.util.EntityUtils.toString(EntityUtils.java:139)
at anywheresoftware.b4a.http.HttpClientWrapper$HttpResponeWrapper.GetString(HttpClientWrapper.java:469)
at wid.wid.quotes4x2._hc_responsesuccess(quotes4x2.java:102)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:165)
at anywheresoftware.b4a.BA$3.run(BA.java:301)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4898)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
at dalvik.system.NativeStart.main(Native Method)
java.lang.RuntimeException: android.os.NetworkOnMainThreadException
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:191)
at anywheresoftware.b4a.BA$3.run(BA.java:301)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4898)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.os.NetworkOnMainThreadException
at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1118)
at libcore.io.BlockGuardOs.recvfrom(BlockGuardOs.java:163)
at libcore.io.IoBridge.recvfrom(IoBridge.java:513)
at java.net.PlainSocketImpl.read(PlainSocketImpl.java:488)
at java.net.PlainSocketImpl.access$000(PlainSocketImpl.java:46)
at java.net.PlainSocketImpl$PlainSocketInputStream.read(PlainSocketImpl.java:240)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103)
at org.apache.http.impl.io.AbstractSessionInputBuffer.read(AbstractSessionInputBuffer.java:120)
at org.apache.http.impl.io.ChunkedInputStream.getChunkSize(ChunkedInputStream.java:211)
at org.apache.http.impl.io.ChunkedInputStream.nextChunk(ChunkedInputStream.java:183)
at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:155)
at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:175)
at org.apache.http.impl.io.ChunkedInputStream.exhaustInputStream(ChunkedInputStream.java:289)
at org.apache.http.impl.io.ChunkedInputStream.close(ChunkedInputStream.java:262)
at org.apache.http.conn.BasicManagedEntity.streamClosed(BasicManagedEntity.java:179)
at org.apache.http.conn.EofSensorInputStream.checkClose(EofSensorInputStream.java:266)
at org.apache.http.conn.EofSensorInputStream.close(EofSensorInputStream.java:213)
at java.io.InputStreamReader.close(InputStreamReader.java:145)
at org.apache.http.util.EntityUtils.toString(EntityUtils.java:139)
at anywheresoftware.b4a.http.HttpClientWrapper$HttpResponeWrapper.GetString(HttpClientWrapper.java:469)
at wid.wid.quotes4x2._hc_responsesuccess(quotes4x2.java:102)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:165)
... 10 more


what could be the issue.

Thanks,
John