Sending problem in Webservice call(SOAP_ACTION, envelope)

Question

I have a service that when accessed by the browser it shows the xml via the command "http://localhost:8080/Servicoweb1/services/Cservico? wsdl".

I made a test application to test the connection and when it arrives at the command Tranport.call(SOAP_ACTION, envelope) the error log is displaying transport-related error messages. Error Below:

01-22 19:42:39.515: W/System.err(27880): android.os.NetworkOnMainThreadException 01-22 19:42:39.515: W/System.err(27880):   
    at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1166) 01-22 19:42:39.515: W/System.err(27880):   
    at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:84) 01-22 19:42:39.515: W/System.err(27880):   
    at libcore.io.IoBridge.connectErrno(IoBridge.java:144) 01-22 19:42:39.515: W/System.err(27880):     
    at libcore.io.IoBridge.connect(IoBridge.java:112) 01-22 19:42:39.515: W/System.err(27880):  
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192) 01-22 19:42:39.515: W/System.err(27880):  
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:460) 01-22 19:42:39.515: W/System.err(27880):  
    at java.net.Socket.connect(Socket.java:833) 01-22 19:42:39.525: W/System.err(27880):    
    at com.android.okhttp.internal.Platform.connectSocket(Platform.java:131) 01-22 19:42:39.525: W/System.err(27880):   
    at com.android.okhttp.Connection.connect(Connection.java:101) 01-22 19:42:39.525: W/System.err(27880):  
    at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:294) 01-22 19:42:39.525: W/System.err(27880):    
    at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255) 01-22 19:42:39.525: W/System.err(27880):  
    at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206) 01-22 19:42:39.525: W/System.err(27880):    
    at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345) 01-22 19:42:39.525: W/System.err(27880):  
    at com.android.okhttp.internal.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:89) 01-22 19:42:39.525: W/System.err(27880):   
    at org.ksoap2.transport.ServiceConnectionSE.connect(ServiceConnectionSE.java:76) 01-22 19:42:39.525: W/System.err(27880):   
    at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:152) 01-22 19:42:39.525: W/System.err(27880):     
    at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:95) 01-22 19:42:39.525: W/System.err(27880):  
    at com.example.teste2.MainActivity.autenticausuario(MainActivity.java:164) 01-22 19:42:39.525: W/System.err(27880):     
    at com.example.teste2.MainActivity.onClick(MainActivity.java:194) 01-22 19:42:39.525: W/System.err(27880):  
    at android.view.View.performClick(View.java:4640) 01-22 19:42:39.525: W/System.err(27880):  
    at android.view.View$PerformClick.run(View.java:19425) 01-22 19:42:39.525: W/System.err(27880):     
    at android.os.Handler.handleCallback(Handler.java:733) 01-22 19:42:39.525: W/System.err(27880):     
    at android.os.Handler.dispatchMessage(Handler.java:95) 01-22 19:42:39.525: W/System.err(27880):     
    at android.os.Looper.loop(Looper.java:146) 01-22 19:42:39.525: W/System.err(27880):     
    at android.app.ActivityThread.main(ActivityThread.java:5593) 01-22 19:42:39.525: W/System.err(27880):   
    at java.lang.reflect.Method.invokeNative(Native Method) 01-22 19:42:39.525: W/System.err(27880):    
    at java.lang.reflect.Method.invoke(Method.java:515) 01-22 19:42:39.525: W/System.err(27880):    
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283) 01-22 19:42:39.525: W/System.err(27880):    
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099) 01-22 19:42:39.525: W/System.err(27880):   
    at dalvik.system.NativeStart.main(Native Method) 01-22 19:42:39.535: D/Toast(27880):  checkMirrorLinkEnabled returns : false 01-22 19:42:39.535: D/Toast(27880): showing allowed

FOLLOWS THE CODE OF THE APPLICATION:

public class MainActivity extends Activity implements OnClickListener{

    private static       String      SOAP_ACTION = null;
    private static       String      METHOD_NAME = null;
    private static final String      NAMESPACE   = "http://192.168.0.102:8080/";
    private static final String      URL         = "http://192.168.0.102:8080/ServicoWeb1/services/CServico";
    private ImageView imLogo;
    private EditText edtLogin;
    private EditText edtSenha;
    private TextView textLogin;
    private TextView textSenha;
    private String Login;
    private String Senha;
    private TableLayout tabela;
    private TableRow linha;
    private Button validar;
    private WindowManager wm;
    private int width;
    private int heigth;
    private int Retorno;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        wm = (WindowManager) this.getSystemService(this.WINDOW_SERVICE);
        Display display = wm.getDefaultDisplay();
        width = display.getHeight();
        heigth = display.getWidth();

        //setando variáveis de referencia
        imLogo = new ImageView(this);
        imLogo = (ImageView) findViewById(R.drawable.logo_fiat);        
        //imLogo.setOnClickListener(this);

        tabela = new TableLayout(this);
        tabela.setGravity(Gravity.CENTER);
        tabela.setColumnStretchable(1, true);
        tabela = (TableLayout)findViewById(R.id.tabela1);
        textLogin = new TextView(this);
        textLogin.setText("Login");
        textSenha = new TextView(this);
        textSenha.setText("Senha");
        edtLogin = new EditText(this);
        edtSenha = new EditText(this);
        edtSenha.setTransformationMethod(new PasswordTransformationMethod());
        validar = new Button(this);
        validar.setOnClickListener(this);
        validar.setText("Entrar");      

        linha = new TableRow (this);
        linha.setGravity(Gravity.CENTER);
        linha.addView(textLogin);
        tabela.addView(linha);

        linha = new TableRow (this);
        linha.setGravity(Gravity.CENTER);
        linha.addView(edtLogin);
        tabela.addView(linha);

        linha = new TableRow (this);
        linha.setGravity(Gravity.CENTER);
        linha.addView(textSenha);
        tabela.addView(linha);

        linha = new TableRow (this);
        linha.setGravity(Gravity.CENTER);
        linha.addView(edtSenha);
        tabela.addView(linha);

        linha = new TableRow (this);
        linha.setGravity(Gravity.CENTER);
        linha.addView(validar);
        tabela.addView(linha);

        //Iniciando tratativas para webservices
//      if(isOnline()==false)
//      {
//          AlertDialog.Builder alerta =  
//                  new AlertDialog.Builder(this).setTitle("Atenção!").setMessage("Falha ao tentar conectar a internet ou servidor indisponível." );                       
//          alerta.setNeutralButton("Continuar", null);    
//          alerta.show();                      
//          return;                 
//      }               
    }


    /*************************************************    
     *METODO QUE VERIFICA SE HÁ CONEXÃO COM A INTERNET    
     *************************************************/
    public static boolean isOnline() {
        try {
            InetAddress.getByName("google.ca").isReachable(3);
            return true;
        } catch (UnknownHostException e){           
            return false;
        } catch (IOException e){
            return false;
        }
    }

    /*********************************************************************************
     *              METODO PARA CARREGAR A INTERFACE DE CONTATO
     * *******************************************************************************/ 
    private SoapPrimitive autenticausuario(String prNome, String prsenha){

        System.out.println("AUTENTICANDO");
        SoapPrimitive sp = null;
        SOAP_ACTION = "autenticaReturn";
        METHOD_NAME = "autentica";      
        System.out.println("PREPARAR");
        try {           
            SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);    
            SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);             

            PropertyInfo pi = new PropertyInfo();
            String a = ""+prNome+"/"+prsenha;
            pi.setName("dados");
            pi.setValue(a);
            pi.setType(String.class);       

            request.addProperty(pi);    
            HttpTransportSE Transport = new HttpTransportSE(URL);
            Transport.debug = true;
            envelope.setOutputSoapObject(request);          
            Transport.call(SOAP_ACTION, envelope);
            System.out.println("Aqui");
            SoapObject body = (SoapObject)envelope.bodyIn;                          
            SoapObject result= (SoapObject)envelope.getResponse();//Instancia um vetor de objetos do tipo soapObject            

            String valida = result.toString();
            System.out.println("PARTE 5"+valida);
            if(valida.equals("ok")){
            System.out.println(valida);
            Retorno = 1;
            }else Retorno = 0;

        } catch (Exception e) {
            e.printStackTrace();
        }
        return sp;
    }


    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub

        //valida password. esta informação pode ser buscada no banco de dados.

        Login = edtLogin.getText().toString();
        System.out.println(Login);
        Senha = edtSenha.getText().toString();
        System.out.println(Senha);

        this.autenticausuario(Login, Senha);

        if(Retorno==1)
        {
            System.out.println("largura:"+width);
            System.out.println("largura:"+heigth);
            //mensagem de confirmação
            Toast.makeText(this, "Usuário autencitado", Toast.LENGTH_SHORT).show();
            //chama a próxima activity/tela
            Intent prox_tela = new Intent(this, tela_opcao.class);
            startActivity(prox_tela);
        }else
            Toast.makeText(this, "Login ou senha incorreto!", Toast.LENGTH_SHORT).show();       
    }

}

Answer 1

as pointed out by @Feedproject, you cannot call Webservice at Thread Leading.

But if for some reason you don’t want to use AsyncTask, such as having a greater control over the Threads, you can use HandlerThread and emulate a AsyncTask.

The code below assumes that type X will be the data input and type Y the output.

public abstract class AsyncRunnable<X, Z> implements Runnable {

    private static HandlerThread handlerThread;
    private Handler handler;
    protected X[] parametros;
    protected CountDownLatch latch;
    protected Z retorno;

    public void run() {

    }

    protected AsyncRunnable() {
        if (AsyncRunnable.handlerThread == null) {
            AsyncRunnable.handlerThread =  new HandlerThread("WebServiceThread", android.os.Process.THREAD_PRIORITY_BACKGROUND);
            AsyncRunnable.handlerThread.start();
        }
        this.handler = new Handler(AsyncRunnable.handlerThread.getLooper());
    }

    public AsyncRunnable execute(X... parametros) {
        this.parametros = parametros;
        this.latch = new CountDownLatch(1);

        this.handler.post(this);
        return this;
    }

    public Z get() {
        try {
            latch.await();
        } catch (Exception ignore) {

        }
        return this.retorno;
    }
}

In case you need to call the same:

AsyncRunnable<Object, Object> asyncRunnable = new AsyncRunnable<Object, Object>() {
    @Override
    public void run() {
        super.run();
        this.retorno = webServiceClient.CallMethod(this.parametros[0], this.parametros[1]);
    }
};

Object[] input = new Object[] { new Object(), new Object() };
Object output = asyncRunnable.execute(input).get();

The only difference from the above code to the AsyncTask is that all calls to Webservice will be made by the same Thread.

Remembering that this is only an alternative to AsyncTask.

Answer 2

Best practices recommend using a class you inherit from an Asynctask for network tasks. In doing so the requests will be made in a separate Thread which then updates your Thread UI (Canvas/Activity).

According to your first line of error: android.os.Networkonmainthreadexception.

It may be noted that it is an android system error due to network usage in the main thread.

That one video explains well the functioning of an Asynctask.

If you don’t resolve, also review the composition of your SOAP request by noting that everything is in accordance with your WSDL.