我在android上做了一個應用程序,包含一個服務請求服務器interval_time。該服務在我的應用程序打開時運行得很清楚。當我關閉/停止我的應用程序時,我在connection.connect()中出現錯誤;我希望myService可以在我的應用程序打開或關閉時清晰地運行。服務包含Android上的HttpURLConnection android
我的代碼:
public class RequestService extends Service {
String interval_config;
private Handler mHandlerConfig = new Handler();
private Timer mTimerConfig = null;
public static long CONFIG_INTERVAL=10;
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
if(mTimerConfig != null){
mTimerConfig.cancel();
} else {
mTimerConfig = new Timer();
}
mTimerConfig.scheduleAtFixedRate(new ConfigTimerTask(), 0, CONFIG_INTERVAL);
}
class ConfigTimerTask extends TimerTask {
@Override
public void run() {
// run on another thread
mHandlerConfig.post(new Runnable() {
@Override
public void run() {
URL url = new URL(/*URL address*/);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setReadTimeout(15000);
connection.setConnectTimeout(15000);
connection.setRequestMethod("POST");
connection.setDoInput(true);
connection.setDoOutput(true);
connection.connect(); //error here
}
});
}
}
}
我如何運行我的服務:
startService(new Intent(this, RequestService.class));
錯誤:
2517-2517/com.sia.siav2 E/AndroidRuntime﹕ FATAL EXCEPTION: main
android.os.NetworkOnMainThreadException
at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1117)
at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
at libcore.net.http.HttpEngine.connect(HttpEngine.java:311)
at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
at libcore.net.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:81)
at com.sia.siav2.service.RequestService.jsonFunction(RequestService.java:277)
at com.sia.siav2.service.RequestService.memintaIntervalNotif(RequestService.java:141)
at com.sia.siav2.service.RequestService$ConfigTimerTask$1.run(RequestService.java:106)
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5041)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
at dalvik.system.NativeStart.main(Native Method)
你有什麼錯誤? –
NetworkOnMainThreadException上的錯誤@ Some1pRo –