Android Open Source - myglob Account Preferences Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*
 * MyGlob Android Application//from   ww w . j  ava  2s  .c  om
 * 
 * Copyright (C) 2010 Petar Petrov
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package net.vexelon.myglob.configuration;

import net.vexelon.myglob.R;
import net.vexelon.myglob.users.AccountType;
import net.vexelon.myglob.users.User;
import net.vexelon.myglob.users.UsersManager;
import net.vexelon.myglob.utils.Utils;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnDismissListener;
import android.content.DialogInterface.OnKeyListener;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.Preference.OnPreferenceClickListener;
import android.text.TextUtils;
import android.view.KeyEvent;

public class AccountPreferencesActivity extends PreferenceActivity {
  
  PreferenceActivity _activity;
  EditTextPreference _accountNamePref;
  EditTextPreference _accountNumberPref;
  ListPreference _accountOperatorPref;
  EditTextPreference _accountPasswordPref;
  CheckBoxPreference _accountSavePasswordPref;
  Preference _accountDeletePref;
  
  User _editUser = null;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    setResult(RESULT_CANCELED);
    addPreferencesFromResource(R.xml.prefs);
    
    _activity = this;
    
    // get components refs
    _accountNamePref = (EditTextPreference) findPreference(getResString(R.string.pref_account_name));
    _accountOperatorPref = (ListPreference) findPreference(getResString(R.string.pref_account_operator));
    _accountNumberPref = (EditTextPreference) findPreference(getResString(R.string.pref_account_phonenumber));
    _accountPasswordPref = (EditTextPreference) findPreference(getResString(R.string.pref_account_password));
//    _accountSavePasswordPref = (CheckBoxPreference) findPreference(getResString(R.string.pref_account_save_password)); 
    _accountDeletePref = (Preference) findPreference(getResString(R.string.pref_account_delete));
    
    Intent intent = getIntent();
    if (intent.getBooleanExtra(Defs.INTENT_ACCOUNT_ADD, false)) {
      _accountNamePref.setText("");
      _accountNumberPref.setText("089");
      _accountOperatorPref.setValueIndex(0);
      _accountPasswordPref.setText("");
//      _accountSavePasswordPref.setChecked(false);
      _accountDeletePref.setEnabled(false);
    }
    else if (intent.getBooleanExtra(Defs.INTENT_ACCOUNT_EDIT, false)) {
      // edit account
      String phone = intent.getStringExtra(Defs.INTENT_ACCOUNT_PHONENUMBER);
      User user = UsersManager.getInstance().getUserByPhoneNumber(phone);
      _editUser = user;
      _accountNamePref.setText(user.getAccountName());
      _accountNumberPref.setText(user.getPhoneNumber());
      _accountNumberPref.setEnabled(false); // NO NUMBER EDITING ALLOWED !
      _accountPasswordPref.setText(Defs.DUMMY_PASSWORD); // PASSWORD FILED IS 'EMPTY'
      _accountOperatorPref.setValueIndex(0);
      
      _accountDeletePref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
        public boolean onPreferenceClick(Preference preference) {
          
          AlertDialog.Builder alertBuilder = new AlertDialog.Builder(_activity);
          alertBuilder.setTitle(R.string.dlg_account_delete_title)
            .setMessage(R.string.dlg_account_delete_msg)
            .setIcon(R.drawable.ic_dialog_alert)
            .setPositiveButton(getResString(R.string.dlg_msg_yes), new OnClickListener() {
              
              @Override
              public void onClick(DialogInterface dialog, int which) {
                User removedUser = UsersManager.getInstance().removeUser(_accountNumberPref.getText());
                
                // save all users
                SharedPreferences prefs = _activity.getSharedPreferences(Defs.PREFS_USER_PREFS, 0);
                UsersManager.getInstance().save(prefs);
                _activity.setResult(Defs.INTENT_RESULT_ACCOUT_DELETED);
                _activity.finish();
                
                // set new default selection
                if (GlobalSettings.getInstance().getLastSelectedPhoneNumber().equals(removedUser
                    .getPhoneNumber()) && UsersManager.getInstance().getUsersCount() > 0) {
                  String[] users = UsersManager.getInstance().getUsersPhoneNumbersList();
                  GlobalSettings.getInstance().setLastSelectedPhoneNumber(users[0]);
                }
                
                dialog.dismiss();
              }
            })
            .setNegativeButton(getResString(R.string.dlg_msg_no), new OnClickListener() {
              
              @Override
              public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
              }
            }).show();          

          return false;
        }
      });
    }
    else {
      // no proper operation type passed
      setResult(RESULT_CANCELED);
      finish();
    }
  }
  
  private void saveSettings() throws Exception {
    // save all account data
    
    User user = null;
    String phoneNumber = _accountNumberPref.getText().trim();
    
    if (getIntent().getBooleanExtra(Defs.INTENT_ACCOUNT_ADD, false)) {
//    if (_editUser == null) {
      user = new User().setAccountName(_accountNamePref.getText())
        .setPhoneNumber(phoneNumber)
        .setAccountType(getAccountTypeFromListPrefs());
//      UsersManager.getInstance().addUser(user);
      if (UsersManager.getInstance().isUserExists(phoneNumber)) 
        throw new Exception(getResString(R.string.err_msg_user_already_exists));
      
    } else {
      user = _editUser; // get instance of user being edited
      user.setAccountName(_accountNamePref.getText());
      user.setAccountType(getAccountTypeFromListPrefs());
    }
      
    //Log.v(Defs.LOG_TAG, "Saved raw pass: " + _accountPasswordPref.getText() + " Enc pass: " + user.getEncodedPassword());
    
    if (!TextUtils.equals(_accountPasswordPref.getText(), Defs.DUMMY_PASSWORD)) {
      UsersManager.getInstance().setUserPassword(user, _accountPasswordPref.getText());
    }
    
    if (getIntent().getBooleanExtra(Defs.INTENT_ACCOUNT_ADD, false)) {
      UsersManager.getInstance().addUser(user);
    }

    // save all users
    SharedPreferences prefs = this.getSharedPreferences(Defs.PREFS_USER_PREFS, 0);
    UsersManager.getInstance().save(prefs);
    
    // set default selected
    GlobalSettings.getInstance().setLastSelectedPhoneNumber(phoneNumber);
  }
  
  
  private boolean isSettingsValid() {
    return !TextUtils.isEmpty(_accountNamePref.getText()) &&
      !TextUtils.isEmpty(_accountNumberPref.getText()) &&
      !TextUtils.isEmpty(_accountOperatorPref.getValue()) &&
      !TextUtils.isEmpty(_accountPasswordPref.getText());
  }
  
  private AccountType getAccountTypeFromListPrefs() {
    String[] operators = getResStringArray(R.array.array_available_operators);
    String userOperator = _accountOperatorPref.getValue();
    if (userOperator.equals(operators[0]) || userOperator.equals("Globul")) {
      return AccountType.Telenor;
    }
//    else if (_accountOperatorPref.getValue().equals(operators[1])) {
//      return AccountType.M_Tel;
//    }
    
    return null;
  }
  
  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    
    if (keyCode == KeyEvent.KEYCODE_BACK) {
      
      if (isSettingsValid()) {
        try {
          saveSettings();
          setResult(RESULT_OK);
          finish();          
        } catch(Exception e) {
          // show error msg & exit
          
          AlertDialog dialog = Utils.createAlertDialog(this, e.getMessage(), getResString(R.string.dlg_error_msg_title));
          dialog.setOnDismissListener(new OnDismissListener() {
            
            @Override
            public void onDismiss(DialogInterface dialog) {
              _activity.finish();
            }
          });
          dialog.setOnKeyListener(new OnKeyListener() {
            
            @Override
            public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
              // cancel key-down events
              return false;
            }
          });
          dialog.show();
        }
      } else {
        // One or more obligatory settings is missing. Show continue yes/no dialog.
        
        AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this);
        alertBuilder.setTitle(R.string.dlg_account_validate_title)
          .setMessage(R.string.dlg_account_validate_msg)
          .setIcon(R.drawable.ic_dialog_alert)
          .setPositiveButton(getResString(R.string.dlg_msg_yes), new OnClickListener() {
            
            @Override
            public void onClick(DialogInterface dialog, int which) {
              //Log.i(Defs.LOG_TAG, "Nothing was saved!");
              dialog.dismiss();
              _activity.setResult(RESULT_CANCELED);
              finish();
            }
          })
          .setNegativeButton(getResString(R.string.dlg_msg_no), new OnClickListener() {
            
            @Override
            public void onClick(DialogInterface dialog, int which) {
              dialog.dismiss();
            }
          }).show();
      }
      
      return true;
    }
    
    return super.onKeyDown(keyCode, event);
  }

  private String getResString(int id) {
    return this.getResources().getString(id);
  }  
  
  private String[] getResStringArray(int id) {
    return this.getResources().getStringArray(id);
  }  
  
}
Java Source Code List
