/*
* Copyright (C) 2010 mAPPn.Inc
*
* 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.mappn.gfan.ui;
import java.util.HashMap;
import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.style.UnderlineSpan;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnFocusChangeListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import com.mappn.gfan.Constants;
import com.mappn.gfan.R;
import com.mappn.gfan.common.ApiAsyncTask.ApiRequestListener;
import com.mappn.gfan.common.MarketAPI;
import com.mappn.gfan.common.util.TopBar;
import com.mappn.gfan.common.util.Utils;
import com.mappn.gfan.common.widget.BaseActivity;
/**
* 登录页
* @author Andrew
* @date 2011-5-25
*
*/
public class LoginActivity extends BaseActivity
implements OnClickListener, OnFocusChangeListener, ApiRequestListener {
// private static final String TAG = "LoginActivity";
private static final int DIALOG_PROGRESS = 0;
// 用户不存在（用户名错误）
private static final int ERROR_CODE_USERNAME_NOT_EXIST = 211;
// 用户密码错误
private static final int ERROR_CODE_PASSWORD_INVALID = 212;
private EditText etUsername;
private EditText etPassword;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login_layout);
initView();
}
@Override
protected void onDestroy() {
super.onDestroy();
etUsername = null;
etPassword = null;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
setResult(Activity.RESULT_CANCELED);
finish();
return true;
}
return super.onKeyDown(keyCode, event);
}
private void initView() {
// top bar
TopBar.createTopBar(this,
new View[] { findViewById(R.id.top_bar_title) },
new int[] { View.VISIBLE },
getString(R.string.login));
etUsername = (EditText) findViewById(R.id.et_username);
String userName = TextUtils.isEmpty(mSession.getUserName()) ? "" : mSession.getUserName();
etUsername.setText(userName);
etUsername.setOnFocusChangeListener(this);
etUsername.requestFocus();
etPassword = (EditText) findViewById(R.id.et_password);
etPassword.setOnFocusChangeListener(this);
if (!TextUtils.isEmpty(userName)) {
etPassword.requestFocus();
}
Button btnLogin = (Button) findViewById(R.id.btn_login);
btnLogin.setOnClickListener(this);
TextView btnRegister = (TextView) findViewById(R.id.btn_register);
CharSequence text = btnRegister.getText();
SpannableString spanable = new SpannableString(text);
spanable.setSpan(new UnderlineSpan(), text.length() - 4, text.length(), 0);
btnRegister.setText(spanable);
btnRegister.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_login:
login();
break;
case R.id.btn_register:
onClickRegister();
break;
}
}
/*
* Do login process
*/
private void login() {
// 检查用户输入
if (!checkUserName() || !checkPassword(etPassword)) {
return;
}
if (!isFinishing()) {
showDialog(DIALOG_PROGRESS);
} else {
// 如果当前页面已经关闭，不进行登录操作
return;
}
String userName = etUsername.getText().toString();
String password = etPassword.getText().toString();
MarketAPI.login(getApplicationContext(), this, userName, password);
Utils.trackEvent(getApplicationContext(), Constants.GROUP_9,
Constants.LOGIN);
}
/*
* Goto the sign up page
*/
private void onClickRegister() {
Intent intent = new Intent(this, RegisterActivity.class);
finish();
startActivity(intent);
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
super.onPrepareDialog(id, dialog);
if (dialog.isShowing()) {
dialog.dismiss();
}
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_PROGRESS:
ProgressDialog mProgressDialog = new ProgressDialog(this);
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
mProgressDialog.setMessage(getString(R.string.singin));
return mProgressDialog;
default:
return super.onCreateDialog(id);
}
}
@SuppressWarnings("unchecked")
@Override
public void onSuccess(int method, Object obj) {
switch (method) {
case MarketAPI.ACTION_LOGIN:
Utils.trackEvent(getApplicationContext(), Constants.GROUP_9,
Constants.LOGIN_SUCCESS);
HashMap<String, String> result = (HashMap<String, String>) obj;
mSession.setUid(result.get(Constants.KEY_USER_UID));
mSession.setUserName(result.get(Constants.KEY_USER_NAME));
// 同步用户购买记录
MarketAPI.syncBuyLog(getApplicationContext(), this);
break;
case MarketAPI.ACTION_SYNC_BUYLOG:
syncBuyLogOver(true);
break;
default:
break;
}
}
@Override
public void onError(int method, int statusCode) {
switch (method) {
case MarketAPI.ACTION_LOGIN:
// 隐藏登录框
try{
dismissDialog(DIALOG_PROGRESS);
}catch (IllegalArgumentException e) {
}
String msg = null;
if(statusCode == ERROR_CODE_USERNAME_NOT_EXIST) {
msg = getString(R.string.error_login_username);
} else if(statusCode == ERROR_CODE_PASSWORD_INVALID) {
msg = getString(R.string.error_login_password);
} else {
msg = getString(R.string.error_login_other);
}
Utils.makeEventToast(getApplicationContext(), msg, false);
break;
case MarketAPI.ACTION_SYNC_BUYLOG:
// 同步购买记录失败
syncBuyLogOver(false);
break;
default:
break;
}
}
/*
* 同步购买记录完成，无论成功或者失败，登录操作都结束。
* 登录状态中，下次开启应用的时候同步购买记录。
*/
private void syncBuyLogOver(boolean isSuccess) {
mSession.setLogin(true);
Utils.makeEventToast(getApplicationContext(), getString(R.string.login_success), false);
setResult(Activity.RESULT_OK);
try{
dismissDialog(DIALOG_PROGRESS);
}catch (IllegalArgumentException e) {
}
finish();
}
@Override
public void onFocusChange(View v, boolean flag) {
switch (v.getId()) {
case R.id.et_username:
if (!flag) {
checkUserName();
}
break;
case R.id.et_password:
if (!flag) {
checkPassword(etPassword);
}
break;
default:
break;
}
}
/*
* 检查用户名合法性
* 1 不能为空
* 2 长度在 3 - 16 个字符之间
*/
private boolean checkUserName() {
String input = etUsername.getText().toString();
if (TextUtils.isEmpty(input)) {
etUsername.setError(getString(R.string.error_username_empty));
return false;
} else {
etUsername.setError(null);
}
int length = input.length();
if (length < 3 || length > 16) {
etUsername.setError(getString(R.string.error_username_length_invalid));
return false;
} else {
etUsername.setError(null);
}
return true;
}
/*
* 检查用户密码合法性
* 1 不能为空
* 2 长度在1 - 32 个字符之间
*/
private boolean checkPassword(EditText input) {
String passwod = input.getText().toString();
if (TextUtils.isEmpty(passwod)) {
input.setError(getString(R.string.error_password_empty));
return false;
} else {
input.setError(null);
}
int length = passwod.length();
if (length > 32) {
input.setError(getString(R.string.error_password_length_invalid));
return false;
} else {
input.setError(null);
}
return true;
}
}