Android Open Source - smartcar Settings Activity

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From Project

Back to project page smartcar.

License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * This class handles what happens in the setting page
 * @author(simeon & dimi)// w w  w .  jav a2  s  .co  m
 */

package se.chalmers.balmung.smartcar;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

import android.app.Activity;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;

public class SettingsActivity extends Activity {
  SharedPreferences settings;
  String serverIp;
  String serverPort;
  EditText serverIpField;
  EditText serverPortField;
//  TextView connectedDeviceIpField;

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

    settings = getSharedPreferences("DefaultPrefs", 0);
    serverIp = settings.getString("serverIp", connectedDeviceIp());
  //  serverIp = settings.getString("serverIp", "10.0.2.2");
    serverPort = settings.getString("serverPort", "8787");
    serverIpField = (EditText) findViewById(R.id.serverIpField);
    serverPortField = (EditText) findViewById(R.id.serverPortField);
  //  connectedDeviceIpField =(TextView)findViewById(R.id.connectedDeviceIpField);
  //  connectedDeviceIpField.setText(connectedDeviceIp());




    //    Toast.makeText(this, serverIp, Toast.LENGTH_LONG).show();
    serverIpField.setText(serverIp);
    serverPortField.setText(serverPort);
  }

  public void saveAction(View v) {
    Editor settingsEditor = settings.edit();
    settingsEditor.putString("serverIp", serverIpField.getText().toString());
    settingsEditor.putString("serverPort", serverPortField.getText().toString());
    settingsEditor.apply();
    this.finish();
  }

  public String connectedDeviceIp(){
    BufferedReader br = null;
    try {
      br = new BufferedReader(new FileReader("/proc/net/arp"));
      String inputLine;
      while ((inputLine = br.readLine()) != null) {
        String[] tokens = inputLine.split(" +");
        if (tokens != null && tokens[0].length() > 7 && tokens[3].equalsIgnoreCase("e8:4e:06:19:c1:1f")){
          //if it's an ip and then the mac address of our car, use it
          return tokens[0];
        }
      }
    }
    catch (Exception e) {
      e.printStackTrace();
    }
    finally {
      try {
        br.close();
      }
      catch (IOException e) {
        e.printStackTrace();
      }
    }

    return "192.168.";
  }
}

Java Source Code List

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