Android Open Source - personal-android-chat Login Activity

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From Project

Back to project page personal-android-chat.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.yeho.androidchat;
/*w  ww  .  j a v  a2 s.  c  om*/
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.SocketTimeoutException;
import java.security.MessageDigest;

import org.json.JSONException;
import org.json.JSONObject;
import org.xmlpull.v1.XmlPullParserException;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.drawable.Drawable;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
import android.widget.Toast;

import com.yeho.androidchat.utility.ClientWS;


public class LoginActivity extends Activity {

  private static final String TAG = LoginActivity.class.getSimpleName();
  
  EditText userText;
  EditText passWord;
  Activity activity;
  ProgressBar progress;
  View view;
  String uri2;

  private SQLiteDatabase db;
  final Handler mHandler = new Handler();

  // private String[] wsResult = null;
    private JSONObject json;
    
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    //EOA
    Bundle bundle = getIntent().getExtras();
    uri2 = bundle.getString("splash");
    Drawable background = null;
    //Se obtiene el splash
    
    
    setContentView(R.layout.login);
    
      
    view = findViewById(android.R.id.content);
    getActionBar().show();
    getActionBar().setDisplayHomeAsUpEnabled(true);
    

    userText = (EditText) findViewById(R.id.etextusuario);
    passWord = (EditText) findViewById(R.id.etextpassword);

    
    if (!isInternet()){
      Toast.makeText(this, "No tienes una conexion activa a internet, intenta de nuevo mas tarde", Toast.LENGTH_LONG).show();
    }
    
    passWord.setOnEditorActionListener(new OnEditorActionListener() {
      public boolean onEditorAction(TextView v, int actionId,
          KeyEvent event) {
        if (actionId == EditorInfo.IME_ACTION_DONE) {
          lanzar(view);
        }
        return false;
      }
    });
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    super.onCreateOptionsMenu(menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    return menuSelecciona(item);
  }

  private boolean menuSelecciona(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      this.finish();
      return true;
    default:
      return false;
    }
  }

  @Override
  public void onResume() {
    super.onResume();

    userText.setText("");
    passWord.setText("");
    progress.setVisibility(View.INVISIBLE);
  }

  public void lanzar(View view) {

    Log.v("LOGIN_ACTIVITY", "INICIA METODO lanzar");
    if (userText.getText().toString().equals("")|| passWord.getText().toString().equals("")) {
      Toast.makeText(LoginActivity.this,"Favor de capturar el usuario y el password",Toast.LENGTH_SHORT).show();
      return;
    }

    // // CALL LOGIN WEB SERVICE //////
    Log.v("LOGIN_ACTIVITY","VERIFICAR CREDENCIALES A TRAVES DEL WEB SERVICE.");
    callWS();
    if (true) {
      Log.v("LOGIN_ACTIVITY", "LOGIN OK.");
      String displayname = userText.getText().toString();
      startHome(displayname);
    }
    /*
     * Context context = getApplicationContext(); CharSequence text =
     * "Usuario o contrasea invalido."; int duration = Toast.LENGTH_LONG;
     * Toast toast = Toast.makeText(context, text, duration); toast.show();
     * return;
     */
  }

  
  
  public boolean isInternet() {

    boolean enabled = true;

    ConnectivityManager connectivityManager = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo info = connectivityManager.getActiveNetworkInfo();

    if ((info == null || !info.isConnected() || !info.isAvailable())) {
      enabled = false;
    }
    return enabled;
  }

  public void borrar(View view) {

    userText.setText("");
    passWord.setText("");

  }

  public void startHome(String displayName) {
    Intent i = new Intent(this, Activity_Home.class);
    i.putExtra("displayName",displayName);
    startActivity(i);
  }

  protected void callWS() {
    Thread t = new Thread() {
      @Override
      public void run() {

        // wsResult = null;
        json = null;

        ClientWS client = ClientWS.getInstance();

        try {
          //wsResult = client.login(userText.getText().toString(),
          //    passWord.getText().toString());
          String usuario = userText.getText().toString();
          String password = passWord.getText().toString();
          
          json = client.login(usuario, password);

          mHandler.post(stopProgress);

        } catch (SocketTimeoutException socketTimeoutException) {
          mHandler.post(stopProgress);
          Log.e(TAG, "ERROR: SocketTimeoutException::::::");
          // e.printStackTrace();
        } catch (IOException ioException) {

          mHandler.post(stopProgress);
          Log.e(TAG, "ERROR:IOException::[" + ioException.getMessage() + "::");

        } catch (XmlPullParserException xmlPullParserException) {
          mHandler.post(stopProgress);
          Log.e(TAG, "ERROR: XmlPullParserException::::::");
          // e.printStackTrace();
        } catch (NumberFormatException numberFormatException) {
          mHandler.post(stopProgress);
          Log.e(TAG, "ERROR: NumberFormatException::[" + numberFormatException.getMessage() + "::]");
          // e.printStackTrace();
        } catch (JSONException jsonException) {
          Log.e(TAG, "ERROR: JSONException::[" + jsonException.getMessage() + "]::");
          // e.printStackTrace();
        } catch (Exception exception) {
          mHandler.post(stopProgress);
          Log.e(TAG, "ERROR: Exception::[" + exception.getMessage() + "]::");
          // e.printStackTrace();
        }

      }
    };
    t.start();
  }

  final Runnable stopProgress = new Runnable() {

    // @Override
    public void run() {

      progress.setVisibility(4);

      // if (wsResult == null || wsResult.length < 1) {
            if (json == null) {
              Context context = getApplicationContext();
              CharSequence text = "No se pudo validar su usuario con el servidor.";
              int duration = Toast.LENGTH_SHORT;

              Toast toast = Toast.makeText(context, text, duration);
              toast.show();
              return;
            }

            try { 
              String status;
              if(json.getString("success") != null) 
                status = json.getString("success");
              else 
                status = "0";
              Log.v(TAG, "STATUS LOGIN ["+status+"]");
              
              if (Integer.parseInt(status) == 1) {
                Log.v(TAG, "LOGIN SUCCESSFUL");
                Util u = new Util();

                   JSONObject user = json.getJSONObject("user");
                   
                   String pass = user.getString("password");
                   String passwmd5 = u.md5(pass);
                   Log.v(TAG, "GUARDA MD5_PWD["+passwmd5+"]");
//                   usuario.setId(Integer.valueOf(json.getString("uid")));
  //                 usuario.setUsuario(user.getString("username"));
    //               usuario.setPassword(passwmd5); // GUARDAR PWD CON MD5.
                   String displayName = user.getString("name");
      //             usuario.setDisplayName(displayName);
              
             
          Log.v("YEHO", "EL DIsPLAYNAME Q MANDO AL HOME 1: " + displayName);
          startHome(displayName);
        } else {
          Context context = getApplicationContext();
          CharSequence text = "Usuario o contrasena invalido.";
          int duration = Toast.LENGTH_LONG;

          Toast toast = Toast.makeText(context, text, duration);
          toast.show();
          return;
        }
      } catch (Exception exception) {
        Log.e("LOGIN_ACTIVITY", "ERROR: Exception::[" + exception.getMessage() + "]");
        Context context = getApplicationContext();
        CharSequence text = "No se pudo validar su usuario con el servidor.";
        int duration = Toast.LENGTH_SHORT;

        Toast toast = Toast.makeText(context, text, duration);
        toast.show();

        return;
      }
    }
  };
}

class Util {
  public String md5(String string) {
    if (string == null || string.trim().length() < 1) {
      return null;
    }
    try {
      return getMD5(string.getBytes("UTF-8"));
    } catch (UnsupportedEncodingException e) {
      throw new RuntimeException(e.getMessage(), e);
    }
  }

  private String getMD5(byte[] source) {
    try {
      MessageDigest md5 = MessageDigest.getInstance("MD5");
      StringBuffer result = new StringBuffer();
      for (byte b : md5.digest(source)) {
        result.append(Integer.toHexString((b & 0xf0) >>> 4));
        result.append(Integer.toHexString(b & 0x0f));
      }
      return result.toString();
    } catch (Exception e) {
      throw new RuntimeException(e.getMessage(), e);
    }
  }

}

Java Source Code List

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