com.androidinahurry.tunisiabanking.ui.LoginActivity.java Source code

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Here is the source code for com.androidinahurry.tunisiabanking.ui.LoginActivity.java

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/*
 * Copyright (C) 2013 Omar BELKHODJA
 *
 * 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();
    }

}