У меня есть проблема с Android, используя класс HttpURLConnection моего метода заключается в следующем:HttpURLConnection фатальная ошибка
public InputStream test() {
URL url = null;
try {
url = new URL("http://www.android.com/");
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
HttpURLConnection urlConnection = null;
try {
urlConnection = (HttpURLConnection) url.openConnection();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
InputStream in= null;
try {
in = new BufferedInputStream(urlConnection.getInputStream());
}catch(IOException e){
e.printStackTrace();
}
finally {
urlConnection.disconnect();
}
return in;
}
Когда я исполняю этот метод андроид генерирует это исключение:
05-03 15:15: 19.116: W/System.err (1085): android.os.NetworkOnMainThreadException 05-03 15: 15: 19.116: W/System.err (1085): at android.os.StrictMode $ AndroidBlockGuardPolicy.onNetwork (StrictMode.java: 1099) 05-03 15: 15: 19.116: W/System.err (1085): at java.net.InetAddress.lookupHostByName (InetAddress.java:391) 05-03 15: 15: 19.116: W/System.err (1085): at java.net.InetAddress.getAllByNameImpl (InetAddress.java:242) 05-03 15: 15: 19.116: W/System.err (1085): at java.net.InetAddress.getAllByName (InetAddress.java:220) 05-03 15: 15: 19.126: W/System.err (1085): на libcore.net.http. HttpConnection. (HttpConnection.java:71) 05-03 15: 15: 19.126: W/System.err (1085): at libcore.net.http.HttpConnection. (HttpConnection.java:50) 05-03 15: 15: 19.126: W/System.err (1085): на libcore.net.http.HttpConnection $ Address.connect (HttpConnection.java:351) 05-03 15: 15: 19.126: W/System.err (1085) : at libcore.net.http.HttpConnectionPool.get (HttpConnectionPool.java:86) 05-03 15: 15: 19.126: W/System.err (1085): на libcore.net.http.HttpConnection.connect (HttpConnection. java: 128) 05-03 15: 15: 19.126: W/System.err (1085): at libcore.net.http.HttpEngine.openSocketConnection (HttpEngine.java:308) 05-03 15: 15: 19.126: W/System. err (1085): на libcore.net.http.HttpEngine.connect (HttpEngine.java:303) 05-03 15: 15: 19.126: W/System.err (1085): на libcore.net.http.HttpEngine. sendSocketRequest (HttpEngine.java:282) 05-03 15: 15: 19.126: W/System.err (1085): на libcore.net.http.HttpEngine.sendRequest (HttpEngine.java:232) 05-03 15: 15: 19.126: W/System.err (1085): на libcore.net.http.HttpURLConnectionImpl.getResponse (HttpURLConnectionImpl.java:273) 05-03 15: 15: 19.136: W/System.err (1085): at libcore.net.http.HttpURLConnectionImpl.getInputStream (HttpURLConnectionImpl.java:168) 05-03 15: 15: 19.136: W/System.err (1085): at com.BertacchiMazzoni.HTTPClient.HttpClientTutorial.tes t (HttpClientTutorial.java:35) 05-03 15: 15: 19.136: W/System.err (1085): at com.BertacchiMazzoni.HTTPClient.HTTPClientActivity.onCreate (HTTPClientActivity.java:18) 05-03 15: 15: 19.136: W/System.err (1085): at android.app.Activity.performCreate (Activity.java:4465) 05-03 15: 15: 19.136: W/System.err (1085): у android. app.Instrumentation.callActivityOnCreate (Instrumentation.java:1049) 05-03 15: 15: 19.136: W/System.err (1085): at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:1920) 05-03 15: 15: 19.136: W/System.err (1085): at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:1981) 05-03 15: 15: 19.136: W/System.err (1085): at android.app.ActivityThread.access $ 600 (ActivityThread.java:123) 05-03 15: 15: 19.136: W/System.err (1085): у android .app.ActivityThread $ H.handleMessage (ActivityThread.java:1147) 05-03 15: 15: 19.146: W/System.err (1085): at android.os.Handler.dispatchMessage (Handler.java:99) 05-03 15: 15: 19.146: W/System.err (1085): at android.os.Looper.loop (Looper.java:137) 05-03 15: 15: 19.146: W/System.err (1085)): at android.app.ActivityThread.main (ActivityThread.java:4424) 05-03 15: 15: 19.146: W/System.err (1085): at java.lang.reflect.Method.invokeNative (собственный метод) 05-03 15: 15: 19.146: W/System.err (1085): at java.lang.reflect.Method.invoke (Method.java:511) 05-03 15: 15: 19.146: W/System. err (1085): at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run (ZygoteInit.java:784) 05-03 15: 15: 19.146: W/System.err (1085): at com.android. internal.os.ZygoteInit.main (ZygoteInit.Java: 551) 05-03 15: 15: 19,146: W/System.err (1085): в dalvik.system.NativeStart.main (Native Method)
Могу ли я разрешить эту проблему? Где ошибка?
Большое спасибо! С уважением!
У вас предоставлено разрешение ИНТЕРНЕТ в файле manifeast ... – MAC