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

package com.usai.apex;

//import android.app.Fragment;

import com.usai.util.Crypto;
import com.usai.util.Network;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
//import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.AsyncTask;
import android.os.Build;
//import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.Fragment;
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.CheckBox;
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;

	private CheckBox m_cbSave;

	// SQLiteDatabase m_db;

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		View view = inflater.inflate(R.layout.fragment_login, null);
		TextView tv_ver = (TextView) view.findViewById(R.id.tv_ver);
		try {
			tv_ver.setText("ver:"+ApexTrackingApplication.get_instance().getPackageManager().getPackageInfo(
						"com.usai.apex", 0).versionName);
		} catch (NameNotFoundException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		// Button btn = (Button) view.findViewById(R.id.sign_in_button);
		// btn.setOnClickListener(this);

		// m_cbSave.setOnCheckedChangeListener(new OnCheckedChangeListener()
		// {
		//
		// @Override
		// public void onCheckedChanged(CompoundButton buttonView,
		// boolean isChecked)
		// {
		// if (isChecked)
		// {
		// String user,password;
		// SharedPreferences RunOnce = ApexTrackingApplication
		// .get_instance().getSharedPreferences("Apex", 0);
		// SharedPreferences.Editor editor = RunOnce.edit();
		// editor.putString("user", user);
		// editor.putString("password", user);
		// }
		// String vername;
		// try
		// {
		// vername = ApexTrackingApplication.get_instance()
		// .getPackageManager()
		// .getPackageInfo("com.usai.apex", 0).versionName;
		// boolean bFirstRun = RunOnce.getBoolean("FirstRun" + vername
		// + "_result", true);
		// if (bFirstRun)
		// {
		// SharedPreferences.Editor editor = RunOnce.edit();
		// editor.putBoolean("FirstRun" + vername + "_result",
		// false);
		// // Don't forget to commit your edits!!!
		// editor.commit();
		// Intent intent = new Intent();
		// intent.setClass(this, HelpActivity.class);
		// intent.putExtra("caller", "result");
		// startActivity(intent);
		//
		// }
		// }
		// catch (NameNotFoundException e)
		// {
		// // TODO Auto-generated catch block
		// e.printStackTrace();
		// }
		//
		// }
		//
		// });
		// 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_cbSave = (CheckBox) view.findViewById(R.id.cb_save);
		SharedPreferences pref = ApexTrackingApplication.get_instance()
				.getSharedPreferences("Apex", 0);
		String u = pref.getString("user", null);
		String p = pref.getString("password", null);
		if (u != null && p != null) {
			try {
				m_etName.setText(Crypto.decrypt("apexu", u));
				m_etPassword.setText(Crypto.decrypt("apexp", p));
				m_cbSave.setChecked(true);
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}

		}
		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); // ����
							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);
					}
				});
		
		view.findViewById(R.id.tv_retrieve_pass).setOnClickListener(
				new View.OnClickListener() {
					@Override
					public void onClick(View view) {
						Intent intent = new Intent();
						intent.setClass(getActivity(), RetrievePasswordActivity.class);
						startActivity(intent);
						// showProgress(true);
					}
				});
		return view;
		// return super.onCreateView(inflater, container, savedInstanceState);
	}

	// /**
	// * 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 == )
			// {
			//
			// }

			if (success) {

				// SharedPreferences.Editor editor = RunOnce.edit();
				// editor.putBoolean("FirstRun"+globalUtil.getVerName(this),
				// false);
				// // Don't forget to commit your edits!!!
				// editor.commit();
				SharedPreferences pref = ApexTrackingApplication.get_instance()
						.getSharedPreferences("Apex", 0);
				SharedPreferences.Editor editor = pref.edit();

				try {
					if (m_cbSave.isChecked()) {
						editor.putString("user",
								Crypto.encrypt("apexu", m_sUser));
						editor.putString("password",
								Crypto.encrypt("apexp", m_sPassword));
					} else {
						editor.putString("user", null);
						editor.putString("password", null);
					}
				} catch (Exception e) {
					editor.putString("user", null);
					editor.putString("password", null);
					e.printStackTrace();
				}
				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 {
				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_VER_LOW:
				{
					Toast toast = Toast.makeText(getActivity()
							.getApplicationContext(),
							getText(R.string.msg_ver_low), 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;
				}

				case Network.RESULT_FALSE: {
					m_etPassword
							.setError(getString(R.string.error_incorrect_password));
					m_etPassword.requestFocus();
					
				}
				default: {
					Toast toast = Toast.makeText(getActivity()
							.getApplicationContext(),
							"An error occur on server code:" + errorcode,
							Toast.LENGTH_LONG);
					toast.setGravity(Gravity.CENTER, 0, 0);
					toast.show();
					break;
				}
				}
			}
		}

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