socket service onBackPressed












0















when i press the system back button my app disconnects but i want to return back in this way :




i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);




I think there is an error in my Socket Service cause gaqve me this: 



2018-11-16 11:54:45.869 6099-6099/com.app.ifarma I/SocketService: quit:

2018-11-16 11:54:45.871 6099-6099/com.app.ifarma W/System.err: java.net.SocketException: Socket is closed

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at java.net.Socket.getInputStream(Socket.java:930)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.closeConnection(SocketService.java:126)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.sendMessage(SocketService.java:115)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.Scollega$2.run(Scollega.java:71)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.handleCallback(Handler.java:789)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:98)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Looper.loop(Looper.java:164)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:6541)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at java.lang.reflect.Method.invoke(Native Method)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)

2018-11-16 11:54:45.873 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)

2018-11-16 11:54:45.886 6099-6134/com.app.ifarma W/System.err: java.net.SocketException: Socket closed

2018-11-16 11:54:45.886 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead0(Native Method)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:170)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:139)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)

2018-11-16 11:54:45.889 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)

2018-11-16 11:54:45.894 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)

2018-11-16 11:54:45.898 6099-6134/com.app.ifarma W/System.err:     at java.io.InputStreamReader.read(InputStreamReader.java:184)

2018-11-16 11:54:45.899 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.fill(BufferedReader.java:172)

2018-11-16 11:54:45.900 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:335)

2018-11-16 11:54:45.905 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:400)

2018-11-16 11:54:45.905 6099-6134/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService$ClientThread.run(SocketService.java:272)

2018-11-16 11:54:45.906 6099-6134/com.app.ifarma W/System.err:     at java.lang.Thread.run(Thread.java:764)

2018-11-16 11:54:45.907 6099-6131/com.app.ifarma W/System.err: java.net.SocketException: Socket closed

2018-11-16 11:54:45.907 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead0(Native Method)

2018-11-16 11:54:45.908 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:170)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:139)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)

2018-11-16 11:54:45.910 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)

2018-11-16 11:54:45.918 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)

2018-11-16 11:54:45.918 6099-6131/com.app.ifarma W/System.err:     at java.io.InputStreamReader.read(InputStreamReader.java:184)

2018-11-16 11:54:45.920 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.fill(BufferedReader.java:172)

2018-11-16 11:54:45.920 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:335)

2018-11-16 11:54:45.921 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:400)

2018-11-16 11:54:45.922 6099-6131/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService$ClientThread.run(SocketService.java:272)

2018-11-16 11:54:45.923 6099-6131/com.app.ifarma W/System.err:     at java.lang.Thread.run(Thread.java:764)

2018-11-16 11:54:45.977 6099-6099/com.app.ifarma I/SocketService: quit:

2018-11-16 11:54:45.978 6099-6099/com.app.ifarma W/System.err: java.lang.NullPointerException: Attempt to invoke virtual method 'java.io.OutputStream java.net.Socket.getOutputStream()' on a null object reference

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.closeConnection(SocketService.java:125)

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.sendMessage(SocketService.java:115)

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.Scollega$2.run(Scollega.java:71)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.handleCallback(Handler.java:789)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:98)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Looper.loop(Looper.java:164)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:6541)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at java.lang.reflect.Method.invoke(Native Method)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)

2018-11-16 11:54:45.981 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)


this is my socketService(the problematic part):



@Override

    public void onCreate() {

        super.onCreate();

    }



    public void sendMessage(String message) {



        line = "";



        if (out != null && !out.checkError()) {

            out.println(message);

            out.flush();

            Log.i("SocketService", "" + message.toString());

            //ci aspettiamo una risposta solo se non e' quit

            if (message.equals("quit:")) {

                closeConnection();

            }



        }

    }



    public void closeConnection() {



        try {

            connect = false;

            socket.getOutputStream().close();

            socket.getInputStream().close();

            socket.close();

        } catch (UnknownHostException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        } catch (Exception e) {

            e.printStackTrace();

        }



        socket = null;

    }


Maybe also my "scollega" class has some problem 



public class Scollega extends Activity {



    public SocketService s;

    //service

    boolean mBounded;

    ServiceConnection mConnection = new ServiceConnection() {



        public void onServiceDisconnected(ComponentName name) {

            mBounded = false;

            s = null;

        }



        public void onServiceConnected(ComponentName name, IBinder service) {

            mBounded = true;

            LocalBinder mLocalBinder = (LocalBinder) service;

            s = mLocalBinder.getServerInstance();

        }

    };



    ;



    @Override

    protected void onStart() {

        super.onStart();

        Intent mIntent = new Intent(this, SocketService.class);

        bindService(mIntent, mConnection, BIND_AUTO_CREATE);

    }



    @Override

    protected void onStop() {

        super.onStop();

        if (mBounded) {

            unbindService(mConnection);

            mBounded = false;

        }

    }



    ;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.loader);

        getWindow().setWindowAnimations(0);





        TextView outputView = (TextView) findViewById(R.id.textLoader);

        outputView.setText("Scollegamento...");



        //creiamo il timeout dopo l'avvio del servizio

        Handler handler = new Handler();

        handler.postDelayed(new Runnable() {



            @Override

            public void run() {



                try {

                    s.sendMessage("quit:");

                } catch (Exception e) {

                    e.printStackTrace();

                }





                //torniamo in Home

                Intent i = new Intent(Scollega.this, Home.class);

                i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);

                startActivity(i);

                overridePendingTransition(R.anim.slide_left, R.anim.slide_right);

                finish();

            }

        }, 1000); // ritardiamo l'esecuzione di un secondo



    }


I inherited this program from a person who no longer wants to deal with it, I solved most of the problems but I do not know how to do this part...






java android sockets







share|improve this question

























  • please, post all service code.

    – Augusto
    Nov 16 '18 at 11:36











  • Using flag clear top If set, and the activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent.

    – Piyush
    Nov 16 '18 at 11:37











  • One of the exception you are getting is because you are calling try { s.sendMessage("quit:"); } catch (Exception e) { e.printStackTrace(); } in onCreate without being sure the socket really connected so the property s is null

    – MatPag
    Nov 16 '18 at 11:38













  • Another thing is that in onStop method, you need to perform your cleanup actions before calling super.onStop(), so it should be if (mBounded) { unbindService(mConnection); mBounded = false; } super.onStop();

    – MatPag
    Nov 16 '18 at 11:42


















0















when i press the system back button my app disconnects but i want to return back in this way :




i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);




I think there is an error in my Socket Service cause gaqve me this: 



2018-11-16 11:54:45.869 6099-6099/com.app.ifarma I/SocketService: quit:

2018-11-16 11:54:45.871 6099-6099/com.app.ifarma W/System.err: java.net.SocketException: Socket is closed

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at java.net.Socket.getInputStream(Socket.java:930)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.closeConnection(SocketService.java:126)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.sendMessage(SocketService.java:115)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.Scollega$2.run(Scollega.java:71)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.handleCallback(Handler.java:789)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:98)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Looper.loop(Looper.java:164)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:6541)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at java.lang.reflect.Method.invoke(Native Method)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)

2018-11-16 11:54:45.873 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)

2018-11-16 11:54:45.886 6099-6134/com.app.ifarma W/System.err: java.net.SocketException: Socket closed

2018-11-16 11:54:45.886 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead0(Native Method)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:170)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:139)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)

2018-11-16 11:54:45.889 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)

2018-11-16 11:54:45.894 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)

2018-11-16 11:54:45.898 6099-6134/com.app.ifarma W/System.err:     at java.io.InputStreamReader.read(InputStreamReader.java:184)

2018-11-16 11:54:45.899 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.fill(BufferedReader.java:172)

2018-11-16 11:54:45.900 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:335)

2018-11-16 11:54:45.905 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:400)

2018-11-16 11:54:45.905 6099-6134/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService$ClientThread.run(SocketService.java:272)

2018-11-16 11:54:45.906 6099-6134/com.app.ifarma W/System.err:     at java.lang.Thread.run(Thread.java:764)

2018-11-16 11:54:45.907 6099-6131/com.app.ifarma W/System.err: java.net.SocketException: Socket closed

2018-11-16 11:54:45.907 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead0(Native Method)

2018-11-16 11:54:45.908 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:170)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:139)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)

2018-11-16 11:54:45.910 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)

2018-11-16 11:54:45.918 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)

2018-11-16 11:54:45.918 6099-6131/com.app.ifarma W/System.err:     at java.io.InputStreamReader.read(InputStreamReader.java:184)

2018-11-16 11:54:45.920 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.fill(BufferedReader.java:172)

2018-11-16 11:54:45.920 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:335)

2018-11-16 11:54:45.921 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:400)

2018-11-16 11:54:45.922 6099-6131/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService$ClientThread.run(SocketService.java:272)

2018-11-16 11:54:45.923 6099-6131/com.app.ifarma W/System.err:     at java.lang.Thread.run(Thread.java:764)

2018-11-16 11:54:45.977 6099-6099/com.app.ifarma I/SocketService: quit:

2018-11-16 11:54:45.978 6099-6099/com.app.ifarma W/System.err: java.lang.NullPointerException: Attempt to invoke virtual method 'java.io.OutputStream java.net.Socket.getOutputStream()' on a null object reference

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.closeConnection(SocketService.java:125)

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.sendMessage(SocketService.java:115)

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.Scollega$2.run(Scollega.java:71)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.handleCallback(Handler.java:789)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:98)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Looper.loop(Looper.java:164)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:6541)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at java.lang.reflect.Method.invoke(Native Method)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)

2018-11-16 11:54:45.981 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)


this is my socketService(the problematic part):



@Override

    public void onCreate() {

        super.onCreate();

    }



    public void sendMessage(String message) {



        line = "";



        if (out != null && !out.checkError()) {

            out.println(message);

            out.flush();

            Log.i("SocketService", "" + message.toString());

            //ci aspettiamo una risposta solo se non e' quit

            if (message.equals("quit:")) {

                closeConnection();

            }



        }

    }



    public void closeConnection() {



        try {

            connect = false;

            socket.getOutputStream().close();

            socket.getInputStream().close();

            socket.close();

        } catch (UnknownHostException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        } catch (Exception e) {

            e.printStackTrace();

        }



        socket = null;

    }


Maybe also my "scollega" class has some problem 



public class Scollega extends Activity {



    public SocketService s;

    //service

    boolean mBounded;

    ServiceConnection mConnection = new ServiceConnection() {



        public void onServiceDisconnected(ComponentName name) {

            mBounded = false;

            s = null;

        }



        public void onServiceConnected(ComponentName name, IBinder service) {

            mBounded = true;

            LocalBinder mLocalBinder = (LocalBinder) service;

            s = mLocalBinder.getServerInstance();

        }

    };



    ;



    @Override

    protected void onStart() {

        super.onStart();

        Intent mIntent = new Intent(this, SocketService.class);

        bindService(mIntent, mConnection, BIND_AUTO_CREATE);

    }



    @Override

    protected void onStop() {

        super.onStop();

        if (mBounded) {

            unbindService(mConnection);

            mBounded = false;

        }

    }



    ;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.loader);

        getWindow().setWindowAnimations(0);





        TextView outputView = (TextView) findViewById(R.id.textLoader);

        outputView.setText("Scollegamento...");



        //creiamo il timeout dopo l'avvio del servizio

        Handler handler = new Handler();

        handler.postDelayed(new Runnable() {



            @Override

            public void run() {



                try {

                    s.sendMessage("quit:");

                } catch (Exception e) {

                    e.printStackTrace();

                }





                //torniamo in Home

                Intent i = new Intent(Scollega.this, Home.class);

                i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);

                startActivity(i);

                overridePendingTransition(R.anim.slide_left, R.anim.slide_right);

                finish();

            }

        }, 1000); // ritardiamo l'esecuzione di un secondo



    }


I inherited this program from a person who no longer wants to deal with it, I solved most of the problems but I do not know how to do this part...






java android sockets







share|improve this question

























  • please, post all service code.

    – Augusto
    Nov 16 '18 at 11:36











  • Using flag clear top If set, and the activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent.

    – Piyush
    Nov 16 '18 at 11:37











  • One of the exception you are getting is because you are calling try { s.sendMessage("quit:"); } catch (Exception e) { e.printStackTrace(); } in onCreate without being sure the socket really connected so the property s is null

    – MatPag
    Nov 16 '18 at 11:38













  • Another thing is that in onStop method, you need to perform your cleanup actions before calling super.onStop(), so it should be if (mBounded) { unbindService(mConnection); mBounded = false; } super.onStop();

    – MatPag
    Nov 16 '18 at 11:42
















0












0








0








when i press the system back button my app disconnects but i want to return back in this way :




i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);




I think there is an error in my Socket Service cause gaqve me this: 



2018-11-16 11:54:45.869 6099-6099/com.app.ifarma I/SocketService: quit:

2018-11-16 11:54:45.871 6099-6099/com.app.ifarma W/System.err: java.net.SocketException: Socket is closed

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at java.net.Socket.getInputStream(Socket.java:930)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.closeConnection(SocketService.java:126)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.sendMessage(SocketService.java:115)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.Scollega$2.run(Scollega.java:71)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.handleCallback(Handler.java:789)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:98)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Looper.loop(Looper.java:164)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:6541)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at java.lang.reflect.Method.invoke(Native Method)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)

2018-11-16 11:54:45.873 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)

2018-11-16 11:54:45.886 6099-6134/com.app.ifarma W/System.err: java.net.SocketException: Socket closed

2018-11-16 11:54:45.886 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead0(Native Method)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:170)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:139)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)

2018-11-16 11:54:45.889 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)

2018-11-16 11:54:45.894 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)

2018-11-16 11:54:45.898 6099-6134/com.app.ifarma W/System.err:     at java.io.InputStreamReader.read(InputStreamReader.java:184)

2018-11-16 11:54:45.899 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.fill(BufferedReader.java:172)

2018-11-16 11:54:45.900 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:335)

2018-11-16 11:54:45.905 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:400)

2018-11-16 11:54:45.905 6099-6134/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService$ClientThread.run(SocketService.java:272)

2018-11-16 11:54:45.906 6099-6134/com.app.ifarma W/System.err:     at java.lang.Thread.run(Thread.java:764)

2018-11-16 11:54:45.907 6099-6131/com.app.ifarma W/System.err: java.net.SocketException: Socket closed

2018-11-16 11:54:45.907 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead0(Native Method)

2018-11-16 11:54:45.908 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:170)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:139)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)

2018-11-16 11:54:45.910 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)

2018-11-16 11:54:45.918 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)

2018-11-16 11:54:45.918 6099-6131/com.app.ifarma W/System.err:     at java.io.InputStreamReader.read(InputStreamReader.java:184)

2018-11-16 11:54:45.920 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.fill(BufferedReader.java:172)

2018-11-16 11:54:45.920 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:335)

2018-11-16 11:54:45.921 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:400)

2018-11-16 11:54:45.922 6099-6131/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService$ClientThread.run(SocketService.java:272)

2018-11-16 11:54:45.923 6099-6131/com.app.ifarma W/System.err:     at java.lang.Thread.run(Thread.java:764)

2018-11-16 11:54:45.977 6099-6099/com.app.ifarma I/SocketService: quit:

2018-11-16 11:54:45.978 6099-6099/com.app.ifarma W/System.err: java.lang.NullPointerException: Attempt to invoke virtual method 'java.io.OutputStream java.net.Socket.getOutputStream()' on a null object reference

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.closeConnection(SocketService.java:125)

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.sendMessage(SocketService.java:115)

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.Scollega$2.run(Scollega.java:71)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.handleCallback(Handler.java:789)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:98)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Looper.loop(Looper.java:164)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:6541)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at java.lang.reflect.Method.invoke(Native Method)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)

2018-11-16 11:54:45.981 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)


this is my socketService(the problematic part):



@Override

    public void onCreate() {

        super.onCreate();

    }



    public void sendMessage(String message) {



        line = "";



        if (out != null && !out.checkError()) {

            out.println(message);

            out.flush();

            Log.i("SocketService", "" + message.toString());

            //ci aspettiamo una risposta solo se non e' quit

            if (message.equals("quit:")) {

                closeConnection();

            }



        }

    }



    public void closeConnection() {



        try {

            connect = false;

            socket.getOutputStream().close();

            socket.getInputStream().close();

            socket.close();

        } catch (UnknownHostException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        } catch (Exception e) {

            e.printStackTrace();

        }



        socket = null;

    }


Maybe also my "scollega" class has some problem 



public class Scollega extends Activity {



    public SocketService s;

    //service

    boolean mBounded;

    ServiceConnection mConnection = new ServiceConnection() {



        public void onServiceDisconnected(ComponentName name) {

            mBounded = false;

            s = null;

        }



        public void onServiceConnected(ComponentName name, IBinder service) {

            mBounded = true;

            LocalBinder mLocalBinder = (LocalBinder) service;

            s = mLocalBinder.getServerInstance();

        }

    };



    ;



    @Override

    protected void onStart() {

        super.onStart();

        Intent mIntent = new Intent(this, SocketService.class);

        bindService(mIntent, mConnection, BIND_AUTO_CREATE);

    }



    @Override

    protected void onStop() {

        super.onStop();

        if (mBounded) {

            unbindService(mConnection);

            mBounded = false;

        }

    }



    ;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.loader);

        getWindow().setWindowAnimations(0);





        TextView outputView = (TextView) findViewById(R.id.textLoader);

        outputView.setText("Scollegamento...");



        //creiamo il timeout dopo l'avvio del servizio

        Handler handler = new Handler();

        handler.postDelayed(new Runnable() {



            @Override

            public void run() {



                try {

                    s.sendMessage("quit:");

                } catch (Exception e) {

                    e.printStackTrace();

                }





                //torniamo in Home

                Intent i = new Intent(Scollega.this, Home.class);

                i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);

                startActivity(i);

                overridePendingTransition(R.anim.slide_left, R.anim.slide_right);

                finish();

            }

        }, 1000); // ritardiamo l'esecuzione di un secondo



    }


I inherited this program from a person who no longer wants to deal with it, I solved most of the problems but I do not know how to do this part...






java android sockets







share|improve this question
















when i press the system back button my app disconnects but i want to return back in this way :




i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);




I think there is an error in my Socket Service cause gaqve me this: 



2018-11-16 11:54:45.869 6099-6099/com.app.ifarma I/SocketService: quit:

2018-11-16 11:54:45.871 6099-6099/com.app.ifarma W/System.err: java.net.SocketException: Socket is closed

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at java.net.Socket.getInputStream(Socket.java:930)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.closeConnection(SocketService.java:126)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.sendMessage(SocketService.java:115)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.Scollega$2.run(Scollega.java:71)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.handleCallback(Handler.java:789)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:98)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.os.Looper.loop(Looper.java:164)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:6541)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at java.lang.reflect.Method.invoke(Native Method)

2018-11-16 11:54:45.872 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)

2018-11-16 11:54:45.873 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)

2018-11-16 11:54:45.886 6099-6134/com.app.ifarma W/System.err: java.net.SocketException: Socket closed

2018-11-16 11:54:45.886 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead0(Native Method)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:170)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:139)

2018-11-16 11:54:45.887 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)

2018-11-16 11:54:45.889 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)

2018-11-16 11:54:45.894 6099-6134/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)

2018-11-16 11:54:45.898 6099-6134/com.app.ifarma W/System.err:     at java.io.InputStreamReader.read(InputStreamReader.java:184)

2018-11-16 11:54:45.899 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.fill(BufferedReader.java:172)

2018-11-16 11:54:45.900 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:335)

2018-11-16 11:54:45.905 6099-6134/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:400)

2018-11-16 11:54:45.905 6099-6134/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService$ClientThread.run(SocketService.java:272)

2018-11-16 11:54:45.906 6099-6134/com.app.ifarma W/System.err:     at java.lang.Thread.run(Thread.java:764)

2018-11-16 11:54:45.907 6099-6131/com.app.ifarma W/System.err: java.net.SocketException: Socket closed

2018-11-16 11:54:45.907 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead0(Native Method)

2018-11-16 11:54:45.908 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.socketRead(SocketInputStream.java:114)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:170)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at java.net.SocketInputStream.read(SocketInputStream.java:139)

2018-11-16 11:54:45.909 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)

2018-11-16 11:54:45.910 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)

2018-11-16 11:54:45.918 6099-6131/com.app.ifarma W/System.err:     at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)

2018-11-16 11:54:45.918 6099-6131/com.app.ifarma W/System.err:     at java.io.InputStreamReader.read(InputStreamReader.java:184)

2018-11-16 11:54:45.920 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.fill(BufferedReader.java:172)

2018-11-16 11:54:45.920 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:335)

2018-11-16 11:54:45.921 6099-6131/com.app.ifarma W/System.err:     at java.io.BufferedReader.readLine(BufferedReader.java:400)

2018-11-16 11:54:45.922 6099-6131/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService$ClientThread.run(SocketService.java:272)

2018-11-16 11:54:45.923 6099-6131/com.app.ifarma W/System.err:     at java.lang.Thread.run(Thread.java:764)

2018-11-16 11:54:45.977 6099-6099/com.app.ifarma I/SocketService: quit:

2018-11-16 11:54:45.978 6099-6099/com.app.ifarma W/System.err: java.lang.NullPointerException: Attempt to invoke virtual method 'java.io.OutputStream java.net.Socket.getOutputStream()' on a null object reference

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.closeConnection(SocketService.java:125)

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.SocketService.sendMessage(SocketService.java:115)

2018-11-16 11:54:45.979 6099-6099/com.app.ifarma W/System.err:     at com.app.ifarma.Scollega$2.run(Scollega.java:71)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.handleCallback(Handler.java:789)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:98)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.os.Looper.loop(Looper.java:164)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:6541)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at java.lang.reflect.Method.invoke(Native Method)

2018-11-16 11:54:45.980 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)

2018-11-16 11:54:45.981 6099-6099/com.app.ifarma W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)


this is my socketService(the problematic part):



@Override

    public void onCreate() {

        super.onCreate();

    }



    public void sendMessage(String message) {



        line = "";



        if (out != null && !out.checkError()) {

            out.println(message);

            out.flush();

            Log.i("SocketService", "" + message.toString());

            //ci aspettiamo una risposta solo se non e' quit

            if (message.equals("quit:")) {

                closeConnection();

            }



        }

    }



    public void closeConnection() {



        try {

            connect = false;

            socket.getOutputStream().close();

            socket.getInputStream().close();

            socket.close();

        } catch (UnknownHostException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        } catch (Exception e) {

            e.printStackTrace();

        }



        socket = null;

    }


Maybe also my "scollega" class has some problem 



public class Scollega extends Activity {



    public SocketService s;

    //service

    boolean mBounded;

    ServiceConnection mConnection = new ServiceConnection() {



        public void onServiceDisconnected(ComponentName name) {

            mBounded = false;

            s = null;

        }



        public void onServiceConnected(ComponentName name, IBinder service) {

            mBounded = true;

            LocalBinder mLocalBinder = (LocalBinder) service;

            s = mLocalBinder.getServerInstance();

        }

    };



    ;



    @Override

    protected void onStart() {

        super.onStart();

        Intent mIntent = new Intent(this, SocketService.class);

        bindService(mIntent, mConnection, BIND_AUTO_CREATE);

    }



    @Override

    protected void onStop() {

        super.onStop();

        if (mBounded) {

            unbindService(mConnection);

            mBounded = false;

        }

    }



    ;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.loader);

        getWindow().setWindowAnimations(0);





        TextView outputView = (TextView) findViewById(R.id.textLoader);

        outputView.setText("Scollegamento...");



        //creiamo il timeout dopo l'avvio del servizio

        Handler handler = new Handler();

        handler.postDelayed(new Runnable() {



            @Override

            public void run() {



                try {

                    s.sendMessage("quit:");

                } catch (Exception e) {

                    e.printStackTrace();

                }





                //torniamo in Home

                Intent i = new Intent(Scollega.this, Home.class);

                i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);

                startActivity(i);

                overridePendingTransition(R.anim.slide_left, R.anim.slide_right);

                finish();

            }

        }, 1000); // ritardiamo l'esecuzione di un secondo



    }


I inherited this program from a person who no longer wants to deal with it, I solved most of the problems but I do not know how to do this part...






java android sockets




java android sockets






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 16 '18 at 11:37









Michael

21.5k83572




21.5k83572










asked Nov 16 '18 at 11:31









ioana chiperiioana chiperi

12




12













  • please, post all service code.

    – Augusto
    Nov 16 '18 at 11:36











  • Using flag clear top If set, and the activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent.

    – Piyush
    Nov 16 '18 at 11:37











  • One of the exception you are getting is because you are calling try { s.sendMessage("quit:"); } catch (Exception e) { e.printStackTrace(); } in onCreate without being sure the socket really connected so the property s is null

    – MatPag
    Nov 16 '18 at 11:38













  • Another thing is that in onStop method, you need to perform your cleanup actions before calling super.onStop(), so it should be if (mBounded) { unbindService(mConnection); mBounded = false; } super.onStop();

    – MatPag
    Nov 16 '18 at 11:42





















  • please, post all service code.

    – Augusto
    Nov 16 '18 at 11:36











  • Using flag clear top If set, and the activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent.

    – Piyush
    Nov 16 '18 at 11:37











  • One of the exception you are getting is because you are calling try { s.sendMessage("quit:"); } catch (Exception e) { e.printStackTrace(); } in onCreate without being sure the socket really connected so the property s is null

    – MatPag
    Nov 16 '18 at 11:38













  • Another thing is that in onStop method, you need to perform your cleanup actions before calling super.onStop(), so it should be if (mBounded) { unbindService(mConnection); mBounded = false; } super.onStop();

    – MatPag
    Nov 16 '18 at 11:42



















please, post all service code.

– Augusto
Nov 16 '18 at 11:36





please, post all service code.

– Augusto
Nov 16 '18 at 11:36













Using flag clear top If set, and the activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent.

– Piyush
Nov 16 '18 at 11:37





Using flag clear top If set, and the activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent.

– Piyush
Nov 16 '18 at 11:37













One of the exception you are getting is because you are calling try { s.sendMessage("quit:"); } catch (Exception e) { e.printStackTrace(); } in onCreate without being sure the socket really connected so the property s is null

– MatPag
Nov 16 '18 at 11:38







One of the exception you are getting is because you are calling try { s.sendMessage("quit:"); } catch (Exception e) { e.printStackTrace(); } in onCreate without being sure the socket really connected so the property s is null

– MatPag
Nov 16 '18 at 11:38















Another thing is that in onStop method, you need to perform your cleanup actions before calling super.onStop(), so it should be if (mBounded) { unbindService(mConnection); mBounded = false; } super.onStop();

– MatPag
Nov 16 '18 at 11:42







Another thing is that in onStop method, you need to perform your cleanup actions before calling super.onStop(), so it should be if (mBounded) { unbindService(mConnection); mBounded = false; } super.onStop();

– MatPag
Nov 16 '18 at 11:42














0






active

oldest

votes












Your Answer






StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");

StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});

function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});


}
});














draft saved

draft discarded


















StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53337008%2fsocket-service-onbackpressed%23new-answer', 'question_page');
}
);

Post as a guest















Required, but never shown

























0






active

oldest

votes








0






active

oldest

votes









active

oldest

votes






active

oldest

votes
















draft saved

draft discarded




















































Thanks for contributing an answer to Stack Overflow!


  • Please be sure to answer the question. Provide details and share your research!

But avoid …



  • Asking for help, clarification, or responding to other answers.

  • Making statements based on opinion; back them up with references or personal experience.


To learn more, see our tips on writing great answers.




draft saved


draft discarded














StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53337008%2fsocket-service-onbackpressed%23new-answer', 'question_page');
}
);

Post as a guest















Required, but never shown





















































Required, but never shown














Required, but never shown












Required, but never shown







Required, but never shown

































Required, but never shown














Required, but never shown












Required, but never shown







Required, but never shown







-

Popular posts from this blog

Bressuire

Image
Subprefecture and commune in Nouvelle-Aquitaine, France Bressuire Subprefecture and commune Chateau de Bressuire and the Eglise Notre-Dame Coat of arms Location of Bressuire Bressuire Show map of France Bressuire Show map of Nouvelle-Aquitaine Coordinates: 46°50′27″N 0°29′14″W  /  46.8408°N 0.4872°W  / 46.8408; -0.4872 Coordinates: 46°50′27″N 0°29′14″W  /  46.8408°N 0.4872°W  / 46.8408; -0.4872 Country France Region Nouvelle-Aquitaine Department Deux-Sèvres Arrondissement Bressuire Canton Bressuire Government  • Mayor .mw-parser-output .nobold{font-weight:normal} (2014–20) Jean Michel Bernier Area 1 180.59 km 2 (69.73 sq mi) Population (2014) 2 19,300  • Density 110/km 2 (280/sq mi) Time zone UTC+01:00 (CET)  • Summer (DST) UTC+02:00 (CEST) INSEE/Postal code 79049 /79300 Elevation 98–236 m (322–774 ft) (avg. 173 m or 568 ft) 1 French Land Register data, which exclude...
Read more

Vorschmack

Image
Vorschmack Ukrainian Jewish-style vorschmack served on rye bread Course Hors d'oeuvre Region or state Eastern Europe Associated national cuisine Ashkenazi Jewish, Finnish, German, Ukrainian, Polish, Russian Main ingredients Ground meat and/or fish Cookbook: Vorschmack   Media: Vorschmack Vorschmack or forshmak (Yiddish: פֿאָרשמאַק ‎, from archaic German Vorschmack , "foretaste" [1] or "appetizer" [2] ) is an originally East European dish made of salty minced fish or meat. Different variants of this dish are especially common in Ashkenazi Jewish and Finnish cuisine. Some varieties are also known in Russian and Polish cuisine. Contents 1 In Jewish cuisine 2 In Russian cuisine 3 In Polish cuisine 4 In Finnish cuisine 5 See also 6 References In Jewish cuisine According to Gil Marks, the German name points to the possible Germanic origin of this dish. [1] William Pokhlyobkin descr...
Read more

Quarantine

Image
For other uses, see Quarantine (disambiguation). Signal flag "Lima" called the "Yellow Jack" which when flown in harbor means ship is under quarantine. A simple yellow flag (also called the "Yellow Jack") had historically been used to signal quarantine (it stands for Q among signal flags), but now indicates the opposite, as a signal of a ship free of disease that requests boarding and inspection. A quarantine is used to separate and restrict the movement of people; it is 'a restraint upon the activities or communication of persons or the transport of goods designed to prevent the spread of disease or pests', for a certain period of time. [1] This is often used in connection to disease and illness, such as those who may possibly have been exposed to a communicable disease. [2] The term is often erroneously used to mean medical isolation, which is "to separate ill persons who have a communicable disease from those who are healthy...
Read more