Android Open Source - HarvestAndroid Login Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
    This file is part of Harvest Android Client.
/* ww w  .  j  a v  a 2s .c  om*/
    Harvest Android Client is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Harvest Android Client is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Harvest Android Client.  If not, see <http://www.gnu.org/licenses/>.
    
    Copyright (c) 2010 Mark Jackson <mdj at educomgov.org>
*/
package com.getharvest.mobile.android.client;

import com.getharvest.mobile.android.client.api.APIBase;
import com.getharvest.mobile.android.client.api.APIFactory;
import com.getharvest.mobile.android.client.api.APIListener;
import com.getharvest.mobile.android.database.DBKeyValueStore;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.app.AlertDialog.Builder;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class LoginActivity extends Activity implements OnClickListener, APIListener {
  
  private Button loginButton;
  private TextView urlView;
  private TextView emailView;
  private TextView passwordView;
  
  public static String url;
  public static String email;
  public static String password;
  
  private ProgressDialog pd;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.login);
    
    urlView = (TextView) findViewById(R.id.URL);
    emailView = (TextView) findViewById(R.id.Email);
    passwordView = (TextView) findViewById(R.id.Password);
    
    DBKeyValueStore db = new DBKeyValueStore(getApplicationContext());
    url = db.get("loginurl");
    email = db.get("loginemail");
    password = db.get("loginpassword");
    
    if (url != null) urlView.setText(url);
    if (email != null) emailView.setText(email);
    if (password != null) passwordView.setText(password);
    
    loginButton = (Button) findViewById(R.id.LoginButton);
    loginButton.setOnClickListener(this);
  }

  @Override
  public void onClick(View v) {
    url = urlView.getText().toString();
    email = emailView.getText().toString();
    password = passwordView.getText().toString();
    
    urlView.setEnabled(false);
    emailView.setEnabled(false);
    passwordView.setEnabled(false);
    loginButton.setEnabled(false);
    
    pd = ProgressDialog.show(this, "", "Authenticating. Please wait ... ", 
        true);
    
    APIFactory.createAPILogin(this);
  }

  @Override
  public void connectFailure() {
    pd.dismiss();
    
    Builder alert = new AlertDialog.Builder(this);
    alert.setMessage(getString(R.string.login_failed));
    alert.setNeutralButton("Ok", null);
    alert.show();
    
    urlView.setEnabled(true);
    emailView.setEnabled(true);
    passwordView.setEnabled(true);
    loginButton.setEnabled(true);
  }

  @Override
  public void connectSuccess(APIBase base) {
    pd.dismiss();
    
    DBKeyValueStore db = new DBKeyValueStore(getApplicationContext());
    db.put("loginurl", url);
    db.put("loginemail", email);
    db.put("loginpassword", password);
    
    finish();
    startActivity(new Intent(this, DayActivity.class));
  }

}

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