Android Open Source - atb-mobile Login Activity

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Omar BELKHODJA/*w w w .  j  ava  2s  .co  m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.androidinahurry.tunisiabanking.ui;

import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.androidinahurry.atb.R;
import com.androidinahurry.network.utils.Response;
import com.androidinahurry.tunisiabanking.bank.atb.AtbService;
import com.androidinahurry.tunisiabanking.service.ErrorCode;
import com.androidinahurry.tunisiabanking.service.LoginLoader;
import com.androidinahurry.utils.DialogUtils;
import com.androidinahurry.utils.DialogUtils.LoginFailureDialogFragment;

public class LoginActivity extends FragmentActivity implements LoaderManager.LoaderCallbacks<Response<Boolean, ErrorCode>>, OnClickListener {
  
  final static String LOADER_ARG_USER = "user";
  final static String LOADER_ARG_PASSWORD = "password";
  
  final static String PREFS_NAME = "creadentials";
  final static String PREFS_ARG_USERNAME = "user";
  final static String PREFS_ARG_PASSWORD = "password";
  
  private ProgressDialog progressDialog;
  private Button loginButton;
  private EditText userEditText;
  private EditText passwordEditText;
  private LoginFailureDialogFragment loginFailureDialog;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);
    
    userEditText = (EditText) findViewById(R.id.userEditText);
    passwordEditText = (EditText) findViewById(R.id.passwordEditText);
    loginButton = (Button) findViewById(R.id.loginButton);
    loginButton.setOnClickListener(this);
    
    // Restore preferences
    SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
    String username = settings.getString(PREFS_ARG_USERNAME, "");
    String password = settings.getString(PREFS_ARG_PASSWORD, "");
    userEditText.setText(username);
    passwordEditText.setText(password);
    
    // Init the loader
    if(getSupportLoaderManager().getLoader(LoaderId.LOGIN) != null) {
      showProgressDialog();
      getSupportLoaderManager().initLoader(LoaderId.LOGIN, null, this);
    }
  }

  void showProgressDialog() {
    String loggingMessage = getResources().getString(R.string.logging);
    progressDialog = ProgressDialog.show(this, "", loggingMessage);
  }
  
  void hideProgressDialog() {
    if(progressDialog != null) {
      progressDialog.dismiss();
    }
  }

  @Override
  public void onClick(View loginButton) {
    showProgressDialog();
    
    Bundle bundle = new Bundle();
    bundle.putString(LOADER_ARG_USER, userEditText.getText().toString());
    bundle.putString(LOADER_ARG_PASSWORD, passwordEditText.getText().toString());
    
    getSupportLoaderManager().restartLoader(LoaderId.LOGIN, bundle , this);
  }

  @Override
  public Loader<Response<Boolean, ErrorCode>> onCreateLoader(int id, Bundle bundle) {
    return new LoginLoader(this, new AtbService(), bundle.getString(LOADER_ARG_USER), bundle.getString(LOADER_ARG_PASSWORD));
  }

  @Override
  public void onLoadFinished(Loader<Response<Boolean, ErrorCode>> loader, Response<Boolean, ErrorCode> response) {
    hideProgressDialog();
    
    if(response.errorCode == ErrorCode.NO_ERROR) {
      if(response.data.booleanValue()) {
        // Login success
        
        // Save credentials
        SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
          SharedPreferences.Editor editor = settings.edit();
          editor.putString(PREFS_ARG_USERNAME, userEditText.getText().toString());
          editor.putString(PREFS_ARG_PASSWORD, passwordEditText.getText().toString());
          editor.commit();
        
        // Start Account activity
        Intent intent = new Intent(this, AccountActivity.class);
        intent.putExtra(AccountActivity.ARG_USER, userEditText.getText().toString());
        intent.putExtra(AccountActivity.ARG_PASSWORD, passwordEditText.getText().toString());
        
        startActivity(intent);
        finish();
      }
      else {
        // Show error message
        Toast.makeText(this,R.string.logging_failure, Toast.LENGTH_SHORT).show();
        
        // Save empty credentials
        SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
          SharedPreferences.Editor editor = settings.edit();
          editor.putString(PREFS_ARG_USERNAME, "");
          editor.putString(PREFS_ARG_PASSWORD, "");
          editor.commit();
        
        //  Set focus and show erroneous password
        String passwordErrorMsg = getResources().getString(R.string.password_error);
        
        passwordEditText.setText("");
        passwordEditText.requestFocus();
        passwordEditText.setError(passwordErrorMsg);
      }
    }
    else {
      // TODO
    }
    getSupportLoaderManager().destroyLoader(LoaderId.LOGIN);
    

  }

  @Override
  public void onLoaderReset(Loader<Response<Boolean, ErrorCode>> loader) {
  }
  
  @Override
  protected void onStop() {
    hideProgressDialog();
    
    super.onStop();
  }
  

}

Java Source Code List

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