erpsuiteandroid/Apex/src/com/usai/apex/LoginFragment.java

package com.usai.apex;

//import android.app.Fragment;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.usai.util.Network;

import android.R.integer;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Build;
//import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.TextView;
//import android.widget.TextView;
import android.widget.Toast;

/**
 * Activity which displays a login screen to the user, offering registration as
 * well.
 */
public class LoginFragment extends Fragment/* implements OnClickListener */
{
	private String m_sUser;
	private String m_sPassword;
	private EditText m_etName;
	private EditText m_etPassword;
	private UserLoginTask mAuthTask = null;
	private TextView mLoginStatusMessageView;
	private View mLoginFormView;
	private View mLoginStatusView;

	// SQLiteDatabase m_db;

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState)
	{
		View view = inflater.inflate(R.layout.fragment_login, null);
		// Button btn = (Button) view.findViewById(R.id.sign_in_button);
		// btn.setOnClickListener(this);

		// Set up the login form.
		// mUser = getIntent().getStringExtra(EXTRA_EMAIL);
		m_etName = (EditText) view.findViewById(R.id.user);
		// mUserView.setText(mUser);

		m_etPassword = (EditText) view.findViewById(R.id.password);

		m_etPassword
				.setOnEditorActionListener(new TextView.OnEditorActionListener()
				{
					@Override
					public boolean onEditorAction(TextView textView, int id,
							KeyEvent keyEvent)
					{
						if (id == R.id.login
								|| id == EditorInfo.IME_ACTION_DONE)
						{
							InputMethodManager inputMethodManager = (InputMethodManager) getActivity()
									.getApplicationContext().getSystemService(
											Context.INPUT_METHOD_SERVICE);

							// EditText editText =
							// (EditText)findViewById(R.id.xxxx);
							inputMethodManager.hideSoftInputFromWindow(
									m_etPassword.getWindowToken(), 0); // Òþ²Ø
							attemptLogin();
							return true;
						}
						return false;
					}
				});

		mLoginFormView = view.findViewById(R.id.login_form);
		mLoginStatusView = view.findViewById(R.id.login_status);
		mLoginStatusMessageView = (TextView) view
				.findViewById(R.id.login_status_message);

		view.findViewById(R.id.sign_in_button).setOnClickListener(
				new View.OnClickListener()
				{
					@Override
					public void onClick(View view)
					{
						InputMethodManager inputMethodManager = (InputMethodManager) getActivity()
								.getApplicationContext().getSystemService(
										Context.INPUT_METHOD_SERVICE);

						// EditText editText =
						// (EditText)findViewById(R.id.xxxx);
						inputMethodManager.hideSoftInputFromWindow(
								m_etPassword.getWindowToken(), 0);
						attemptLogin();
						// showProgress(true);
					}
				});
		return view;
		// return super.onCreateView(inflater, container, savedInstanceState);
	}

	// @Override
	// public void onClick(View v)
	// {
	// // TODO Auto-generated method stub
	// if (v.getId() == R.id.sign_in_button)
	// {
	// SharedPreferences sharedPrefrences = getActivity()
	// .getSharedPreferences("test", Context.MODE_PRIVATE);
	// Intent intent = new Intent();
	// intent.setClass(getActivity(), FunctionSelectActivity.class);
	// getActivity().startActivity(intent);
	// }
	//
	// }

	// /**
	// * A dummy authentication store containing known user names and passwords.
	// * TODO: remove after connecting to a real authentication system.
	// */
	// private static final String[] DUMMY_CREDENTIALS = new String[] {
	// "foo@example.com:hello", "bar@example.com:world" };
	//
	// /**
	// * The default email to populate the email field with.
	// */
	// public static final String EXTRA_EMAIL =
	// "com.example.android.authenticatordemo.extra.EMAIL";
	//
	// /**
	// * Keep track of the login task to ensure we can cancel it if requested.
	// */
	// private UserLoginTask mAuthTask = null;
	//
	// // Values for email and password at the time of the login attempt.
	// private String mUser;
	// private String mPassword;
	//
	// // UI references.
	// private EditText mUserView;
	// private EditText mPasswordView;

	// @Override
	// protected void onCreate(Bundle savedInstanceState)
	// {
	// super.onCreate(savedInstanceState);
	//
	// setContentView(R.layout.activity_login);
	//
	// // Set up the login form.
	// mUser = getIntent().getStringExtra(EXTRA_EMAIL);
	// mUserView = (EditText) findViewById(R.id.email);
	// mUserView.setText(mUser);
	//
	// mPasswordView = (EditText) findViewById(R.id.password);
	// mPasswordView
	// .setOnEditorActionListener(new TextView.OnEditorActionListener()
	// {
	// @Override
	// public boolean onEditorAction(TextView textView, int id,
	// KeyEvent keyEvent)
	// {
	// if (id == R.id.login || id == EditorInfo.IME_NULL)
	// {
	// attemptLogin();
	// return true;
	// }
	// return false;
	// }
	// });
	//
	// mLoginFormView = findViewById(R.id.login_form);
	// mLoginStatusView = findViewById(R.id.login_status);
	// mLoginStatusMessageView = (TextView)
	// findViewById(R.id.login_status_message);
	//
	// findViewById(R.id.sign_in_button).setOnClickListener(
	// new View.OnClickListener()
	// {
	// @Override
	// public void onClick(View view)
	// {
	// attemptLogin();
	// }
	// });
	// }
	//
	// @Override
	// public boolean onCreateOptionsMenu(Menu menu)
	// {
	// super.onCreateOptionsMenu(menu);
	// getMenuInflater().inflate(R.menu.login, menu);
	// return true;
	// }
	//
	// /**
	// * Attempts to sign in or register the account specified by the login
	// form.
	// * If there are form errors (invalid email, missing fields, etc.), the
	// * errors are presented and no actual login attempt is made.
	// */
	public void attemptLogin()
	{
		if (mAuthTask != null)
		{
			return;
		}

		// Reset errors.
		m_etName.setError(null);
		m_etPassword.setError(null);

		// Store values at the time of the login attempt.
		m_sUser = m_etName.getText().toString();
		m_sPassword = m_etPassword.getText().toString();

		boolean cancel = false;
		View focusView = null;

		// Check for a valid password.
		if (TextUtils.isEmpty(m_sPassword))
		{
			m_etPassword.setError(getString(R.string.error_field_required));
			focusView = m_etPassword;
			cancel = true;
		}
		else
			if (m_sPassword.length() < 4)
			{
				m_etPassword
						.setError(getString(R.string.error_invalid_password));
				focusView = m_etPassword;
				cancel = true;
			}

		// Check for a valid user name.
		if (TextUtils.isEmpty(m_sUser))
		{
			m_etName.setError(getString(R.string.error_field_required));
			focusView = m_etName;
			cancel = true;
		}
		// else if (!m_sName.contains("@")) {
		// m_etName.setError(getString(R.string.error_invalid_email));
		// focusView = m_etName;
		// cancel = true;
		// }

		if (cancel)
		{
			// There was an error; don't attempt login and focus the first
			// form field with an error.
			focusView.requestFocus();
		}
		else
		{
			// Show a progress spinner, and kick off a background task to
			// perform the user login attempt.
			mLoginStatusMessageView.setText(R.string.login_progress_signing_in);
			showProgress(true);
			mAuthTask = new UserLoginTask();
			mAuthTask.execute((Void) null);
		}
	}

	//
	// /**
	// * Shows the progress UI and hides the login form.
	// */
	// @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
	private void showProgress(final boolean show)
	{
		// On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
		// for very easy animations. If available, use these APIs to fade-in
		// the progress spinner.
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2)
		{
			int shortAnimTime = getResources().getInteger(
					android.R.integer.config_shortAnimTime);

			mLoginStatusView.setVisibility(View.VISIBLE);
			mLoginStatusView.animate().setDuration(shortAnimTime)
					.alpha(show ? 1 : 0)
					.setListener(new AnimatorListenerAdapter()
					{
						@Override
						public void onAnimationEnd(Animator animation)
						{
							mLoginStatusView.setVisibility(show ? View.VISIBLE
									: View.INVISIBLE);
						}
					});

			mLoginFormView.setVisibility(View.VISIBLE);
			mLoginFormView.animate().setDuration(shortAnimTime)
					.alpha(show ? 0 : 1)
					.setListener(new AnimatorListenerAdapter()
					{
						@Override
						public void onAnimationEnd(Animator animation)
						{
							mLoginFormView.setVisibility(show ? View.INVISIBLE
									: View.VISIBLE);
						}
					});
		}
		else
		{
			// The ViewPropertyAnimator APIs are not available, so simply show
			// and hide the relevant UI components.
			mLoginStatusView
					.setVisibility(show ? View.VISIBLE : View.INVISIBLE);
			mLoginFormView.setVisibility(show ? View.INVISIBLE : View.VISIBLE);
		}
	}

	//
	// /**
	// * Represents an asynchronous login/registration task used to authenticate
	// * the user.
	// */
	public class UserLoginTask extends AsyncTask<Void, Void, Boolean>
	{
		// int err_code = ERR_CODE_NONE;
		int errorcode;

		@Override
		protected Boolean doInBackground(Void... params)
		{
			errorcode = Network.get_Auth(m_sUser, m_sPassword);
			if (errorcode == Network.RESULT_TRUE)
				return true;
			else
			{
				return false;
			}
	
		}



		@Override
		protected void onPostExecute(final Boolean success)
		{
			Log.i("onPostExecute", "entry");
			mAuthTask = null;
			showProgress(false);
			// if (netconnect == )
			// {
			//
			// }
			switch (errorcode)
			{
			case Network.RESULT_NET_NOTAVAILABLE:
			{
				Toast toast = Toast.makeText(getActivity()
						.getApplicationContext(),
						getText(R.string.msg_connection_none),
						Toast.LENGTH_LONG);
				toast.setGravity(Gravity.CENTER, 0, 0);
				toast.show();
				return;
			}
			case Network.RESULT_NET_ERROR:
			{
				Toast toast = Toast.makeText(getActivity()
						.getApplicationContext(),
						getText(R.string.msg_net_error), Toast.LENGTH_LONG);
				toast.setGravity(Gravity.CENTER, 0, 0);
				toast.show();
				return;
			}
			case Network.RESULT_ERROR:
			// case Network.RESULT_RESPONSE_NULL:
			{
				Toast toast = Toast.makeText(getActivity()
						.getApplicationContext(),
						getText(R.string.msg_net_resulterror),
						Toast.LENGTH_LONG);
				toast.setGravity(Gravity.CENTER, 0, 0);
				toast.show();
				return;
			}

			default:
				break;
			}

			if (success)
			{

				// SharedPreferences.Editor editor = RunOnce.edit();
				// editor.putBoolean("FirstRun"+globalUtil.getVerName(this),
				// false);
				// // Don't forget to commit your edits!!!
				// editor.commit();

				Intent intent = new Intent();
				intent.setClass(getActivity(), FunctionSelectActivity.class);
				intent.putExtra("user", m_sUser);
				intent.putExtra("password", m_sPassword);
				startActivity(intent);
				getActivity().finish();
			}
			else
			{
				m_etPassword
						.setError(getString(R.string.error_incorrect_password));
				m_etPassword.requestFocus();
			}
		}

		@Override
		protected void onCancelled()
		{
			mAuthTask = null;
			showProgress(false);
		}
	}
}