Android Open Source - GroupSmart-Android Change Password

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License

The source code is released under:
Copyright (C) <2014> <Derek Argueta - Hunter Kehoe> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), ...
If you think the Android project GroupSmart-Android listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.dargueta.groupsmart;
/*from   w  w  w  .  j  ava 2s .  c o  m*/
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnKeyListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.google.analytics.tracking.android.EasyTracker;

/**
 * 
 * @author Hunter Kehoe
 * 
 * Provides the activity where the user can change his or her password.
 *
 */
public class ChangePassword extends Activity {
  
  ProgressDialog pDialog;
  
  EditText etCurrentPassword, etNewPassword, etNewPasswordCheck;
  Button btnChangePassword;
  
  String newPassword = "";
  String updatePasswordURL = "";
  
  public void onCreate(Bundle savedInstanceState) {
    
    super.onCreate(savedInstanceState);
    setContentView(R.layout.change_password);
    
    etCurrentPassword = (EditText) findViewById(R.id.etCurrentPassword);
    etNewPassword = (EditText) findViewById(R.id.etNewPassword);
    etNewPasswordCheck = (EditText) findViewById(R.id.etNewPasswordCheck);
    btnChangePassword = (Button) findViewById(R.id.btnChangePassword);
    
    etNewPasswordCheck.setOnKeyListener(new OnKeyListener() {
      
        public boolean onKey(View v, int keyCode, KeyEvent event) {
          
            if(keyCode == KeyEvent.KEYCODE_ENTER && event.getAction() == KeyEvent.ACTION_UP) {
              
                btnChangePassword.performClick();
                return true;
            }
            return false;
        }
    });
    
    btnChangePassword.setOnClickListener(new OnClickListener() {
      
      public void onClick(View v) {
        
        String currentPassword = etCurrentPassword.getText().toString();
        newPassword = etNewPassword.getText().toString();
        String newPasswordCheck = etNewPasswordCheck.getText().toString();
        
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
        
        String correctPassword = prefs.getString(Constants.PASSWORD_KEY,
                             Constants.EMPTY_STRING);
        
        if(!correctPassword.equals("")) {
          
          if (!currentPassword.equals(correctPassword)) {
            
            Toast.makeText(getApplicationContext(),
                     "Incorrect current password",
                     Toast.LENGTH_SHORT).show();
            return;
            
          } else {
            
            if (newPassword.length() == 0) {
              
              Toast.makeText(getApplicationContext(),
                       R.string.enterPassword,
                       Toast.LENGTH_SHORT).show();
              return;
            }
            
            if (!newPassword.equals(newPasswordCheck)) {
              
              Toast.makeText(getApplicationContext(),
                       R.string.passwordMismatch,
                       Toast.LENGTH_SHORT).show();
              return;
              
            } else {
              
              String email = prefs.getString(Constants.EMAIL_KEY,
                               Constants.EMPTY_STRING);
              
              if (email.equals("")) {
                
                Toast.makeText(getApplicationContext(),
                         R.string.somethingWrong,
                         Toast.LENGTH_SHORT).show();
                finish();
              }
              
              updatePasswordURL = Constants.BASE_URL + "mode=uup&e=" + email + "&p=" + correctPassword + "&np=" + newPassword;
              new UpdatePassword().execute();
            }
          }
        }
      }
    });
  }
  
  /**
   * 
   * @author Hunter Kehoe
   * 
   * Asynchronously send the new password to the remote database.
   *
   */
  private class UpdatePassword extends AsyncTask<Void, Void, Void> {  
    
    boolean successful = false;
    
    protected void onPreExecute() {
      
      super.onPreExecute();
      pDialog = new ProgressDialog(ChangePassword.this);
      pDialog.setMessage(getString(R.string.pleaseWait));
      pDialog.setCancelable(false);
      pDialog.show();
    }
    
    protected Void doInBackground(Void... arg0) {
      
      ServiceHandler sh = new ServiceHandler();
      String jsonStr = sh.makeServiceCall(updatePasswordURL, ServiceHandler.GET);
      
      if (jsonStr.contains("Successfully")) {
        
        successful = true;
      }
          
      return null;
    }
    
    protected void onPostExecute(Void result) {
      
      super.onPostExecute(result);
      
      if(pDialog.isShowing()) {
        
        pDialog.dismiss();
      }
      
      if (successful) {
        
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
        SharedPreferences.Editor editor = prefs.edit();
        editor.putString(Constants.PASSWORD_KEY, newPassword);
        editor.apply();
        Toast.makeText(getApplicationContext(),
                 R.string.goodUpdate,
                 Toast.LENGTH_SHORT).show();
        finish();
        
      } else {
        
        Toast.makeText(getApplicationContext(),
                 R.string.somethingWrong,
                 Toast.LENGTH_SHORT).show();
        finish();
      }
    }
  }
  
  // Google Analytics
  public void onStart() {
    
    super.onStart();
    EasyTracker.getInstance(this).activityStart(this);
  }
  
  public void onStop() {
    
    super.onStop();
    EasyTracker.getInstance(this).activityStop(this);
  }
}
Java Source Code List
