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POTCP/Modbus for android, (Android,Jamod)
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copied!<p>I'm making a program for smartphones which attempts to connect to a PLC via TCP / Modbus and I am using the library Jamod, this same program I put in java and if connected, but no change in android .... , Someone can help me?.</p> <p>I have also given permission for the application to use the internet and do not know why not connect, please I'm desperate!</p> <pre><code> package com.JR.scada; import java.net.InetAddress; import net.wimpi.modbus.Modbus; import net.wimpi.modbus.io.ModbusTCPTransaction; import net.wimpi.modbus.msg.ReadInputDiscretesRequest; import net.wimpi.modbus.msg.ReadInputDiscretesResponse; import net.wimpi.modbus.net.TCPMasterConnection; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class Main extends Activity implements OnClickListener{ TextView text, depurar; EditText IP; Button boton; //Thread comm = new Thread(this); int i=0; /*private final int PUERTO=502; private Socket socket = null; private OutputStream output = null; private BufferedInputStream input = null; private byte buffer[] = new byte[261];*/ TCPMasterConnection con = null; //the TCP connection ModbusTCPTransaction trans = null; //the Modbus transaction InetAddress addr = null; //direccion del esclavo int port = Modbus.DEFAULT_PORT;//puerto por defecto 502 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); text = (TextView) findViewById(R.id.lblRegistro); IP = (EditText) findViewById(R.id.txtIp); depurar = (TextView) findViewById(R.id.txtdepurar); boton = (Button)findViewById(R.id.btnVerRegistro); boton.setOnClickListener(this); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override protected void onStop() { super.onStop(); //Close the TCP connection con.close(); } @Override /*public void run() {*/ protected void onResume() { super.onResume(); try { text.setText("Entro en el try"); //IP address; addr = InetAddress.getByName("212.170.50.238"); // Open the connection con = new TCPMasterConnection(addr); con.setPort(port); con.connect (); if(con.isConnected()){ depurar.setText("conecta"); } } catch (Exception e) { Log.d("MODBUS","connection error"); depurar.setText("no conecta"); } } </code></pre> <p>it gives me error:</p> <pre><code> 08-20 10:25:39.299: D/MODBUS(1238): connection error 08-20 10:25:39.299: D/MODBUS(1238): android.os.NetworkOnMainThreadException 08-20 10:25:39.299: D/MODBUS(1238): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1117) 08-20 10:25:39.299: D/MODBUS(1238): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:84) 08-20 10:25:39.299: D/MODBUS(1238): at libcore.io.IoBridge.connectErrno(IoBridge.java:127) 08-20 10:25:39.299: D/MODBUS(1238): at libcore.io.IoBridge.connect(IoBridge.java:112) 08-20 10:25:39.299: D/MODBUS(1238): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192) 08-20 10:25:39.299: D/MODBUS(1238): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) 08-20 10:25:39.299: D/MODBUS(1238): at java.net.Socket.startupSocket(Socket.java:566) 08-20 10:25:39.299: D/MODBUS(1238): at java.net.Socket.<init>(Socket.java:225) 08-20 10:25:39.299: D/MODBUS(1238): at net.wimpi.modbus.net.TCPMasterConnection.connect(TCPMasterConnection.java:65) 08-20 10:25:39.299: D/MODBUS(1238): at com.JR.scada.Main.onResume(Main.java:96) 08-20 10:25:39.299: D/MODBUS(1238): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1185) 08-20 10:25:39.299: D/MODBUS(1238): at android.app.Activity.performResume(Activity.java:5182) 08-20 10:25:39.299: D/MODBUS(1238): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2732) 08-20 10:25:39.299: D/MODBUS(1238): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2771) 08-20 10:25:39.299: D/MODBUS(1238): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2235) 08-20 10:25:39.299: D/MODBUS(1238): at android.app.ActivityThread.access$600(ActivityThread.java:141) 08-20 10:25:39.299: D/MODBUS(1238): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234) 08-20 10:25:39.299: D/MODBUS(1238): at android.os.Handler.dispatchMessage(Handler.java:99) 08-20 10:25:39.299: D/MODBUS(1238): at android.os.Looper.loop(Looper.java:137) 08-20 10:25:39.299: D/MODBUS(1238): at android.app.ActivityThread.main(ActivityThread.java:5041) 08-20 10:25:39.299: D/MODBUS(1238): at java.lang.reflect.Method.invokeNative(Native Method) 08-20 10:25:39.299: D/MODBUS(1238): at java.lang.reflect.Method.invoke(Method.java:511) 08-20 10:25:39.299: D/MODBUS(1238): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 08-20 10:25:39.299: D/MODBUS(1238): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 08-20 10:25:39.299: D/MODBUS(1238): at dalvik.system.NativeStart.main(Native Method) 08-20 10:25:40.140: D/dalvikvm(1238): GC_CONCURRENT freed 117K, 9% free 2653K/2892K, paused 15ms+23ms, total 236ms 08-20 10:25:40.449: D/gralloc_goldfish(1238): Emulator without GPU emulation detected </code></pre> <p>.</p>

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