Android Open Source - KendaliPintuAndroid Admin Login Dialog

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License

The source code is released under:

GNU General Public License

Java Source Code

/*******************************************************************************
 * Copyright (c) 2014 Dimas Rullyan Danu
 * //  ww w  .  j  av  a2 s.c om
 * Kendali Pintu 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.
 * 
 * Kendali Pintu 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 Kendali Pintu. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package com.dimasdanz.kendalipintu.util;

import java.util.ArrayList;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;

import com.dimasdanz.kendalipintu.R;
import android.content.Context;
import android.os.AsyncTask;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

public class AdminLoginDialog extends DialogPreference{
  private View mView;
  
  public AdminLoginDialog(Context context, AttributeSet attrs) {
    super(context, attrs);
    if(SharedPreferencesManager.getIsAdminPrefs(context)){
      setDialogMessage(R.string.string_admin_logout);
    }else{
      setDialogLayoutResource(R.layout.dialog_admin);
    }
        setPositiveButtonText(android.R.string.ok);
        setNegativeButtonText(android.R.string.cancel);
        setPersistent(false);
        setDialogIcon(null);
  }
  
  @Override
  protected void onBindDialogView(View view) {
      super.onBindDialogView(view);
      this.mView = view;
  }
  
  @Override
  protected void onDialogClosed(boolean positiveResult) {
      if (positiveResult) {
        if(SharedPreferencesManager.getIsAdminPrefs(getContext())){
          SharedPreferencesManager.setAsAdmin(getContext(), false, null);
          Toast.makeText(getContext(), R.string.toast_admin_logout_success, Toast.LENGTH_SHORT).show();
        }else{
          EditText username = (EditText) mView.findViewById(R.id.input_username);
          EditText password = (EditText) mView.findViewById(R.id.input_password);
          new sendAdminLogin().execute(username.getText().toString(), password.getText().toString());
        }
      }
  }
  
  class sendAdminLogin extends AsyncTask<String, Void, Boolean>{
    @Override
    protected Boolean doInBackground(String... args) {
      JSONParser jsonParser = new JSONParser();
      JSONObject json = new JSONObject();
      List<NameValuePair> params = new ArrayList<NameValuePair>();
      params.add(new BasicNameValuePair("username", args[0]));
      params.add(new BasicNameValuePair("password", args[1]));
      json = jsonParser.makeHttpRequest(ServerUtilities.getAdminLoginUrl(getContext()), "POST", params);
      if(json != null){
        try {
          if(json.getInt("response") == 1){
            persistBoolean(true);
            persistString(json.getString("username"));
            SharedPreferencesManager.setAsAdmin(getContext(), true, json.getString("username"));
            return true;
          }else{
            persistBoolean(false);
            return false;
          }
        } catch (JSONException e) {
          e.printStackTrace();
          return null;
        }
      }else{
        return null;
      }
    }
    
    @Override
    protected void onPostExecute(Boolean result){
      super.onPostExecute(result);
      if(result != null){
        if(result){
          Toast.makeText(getContext(), R.string.toast_admin_login_success, Toast.LENGTH_SHORT).show();
        }else{
          Toast.makeText(getContext(), R.string.toast_admin_login_incorrect, Toast.LENGTH_SHORT).show();
        }
      }else{
        Toast.makeText(getContext(), R.string.toast_connection_error, Toast.LENGTH_SHORT).show();
      }
    }
  }
}

Java Source Code List

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