android登录模块

packagecom.action.userAction;
importjava.io.OutputStream;
importjavax.servlet.http.HttpServletRequest;
importjavax.servlet.http.HttpServletResponse;
importorg.apache.struts2.ServletActionContext;
importcom.opensymphony.xwork2.Action;
publicclassLoginCheckActionimplementsAction{
privateStringuserName;
privateStringpassword;
publicStringexecute()throwsException{
//TODOAuto-generatedmethodstub
HttpServletRequestrequest=ServletActionContext.getRequest();
userName=request.getParameter("userName");
password=request.getParameter("password");
HttpServletResponseresponse=ServletActionContext.getResponse();
OutputStreamos=response.getOutputStream();
if(!"lovehui".equals(userName)||!"1989".equals(password))
{
os.write(newInteger(-1));
}
else
{
os.write(newInteger(1));
}
response.setStatus(HttpServletResponse.SC_OK);
returnnull;
}
publicStringgetUserName(){
returnuserName;
}
publicvoidsetUserName(StringuserName){
this.userName=userName;
}
publicStringgetPassword(){
returnpassword;
}
publicvoidsetPassword(Stringpassword){
this.password=password;
}
}

接下来是Client端,就贴最主要的一个Activity,有一点要注意下,就是本地回路地址不是常用的127.0.0.1,要换成10.0.2.2,原因也无法赘述,也是借鉴了网上别人的经验:

Java代码

packagesrc.siwi.map.android;
importjava.io.DataInputStream;
importjava.NET.HttpURLConnection;
importjava.net.URL;
importandroid.app.Activity;
importandroid.app.AlertDialog;
importandroid.app.ProgressDialog;
importandroid.content.DialogInterface;
importandroid.content.Intent;
importandroid.content.SharedPreferences;
importandroid.os.Bundle;
importandroid.os.Handler;
importandroid.os.Message;
importandroid.util.Log;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.view.View.OnClickListener;
importandroid.widget.Button;
importandroid.widget.CheckBox;
importandroid.widget.CompoundButton;
importandroid.widget.EditText;
importandroid.widget.Toast;
importandroid.widget.CompoundButton.OnCheckedChangeListener;
publicclassLoginextendsActivity{
privateStringuserName;
privateStringpassword;
privateEditTextview_userName;
privateEditTextview_password;
privateCheckBoxview_rememberMe;
privateButtonview_loginSubmit;
privatestaticfinalintMENU_EXIT=Menu.FIRST-1;
privatestaticfinalintMENU_ABOUT=Menu.FIRST;
privatefinalStringSHARE_LOGIN_TAG="MAP_SHARE_LOGIN_TAG";
privateStringSHARE_LOGIN_USERNAME="MAP_LOGIN_USERNAME";
privateStringSHARE_LOGIN_PASSWORD="MAP_LOGIN_PASSWORD";
privatebooleanisNetError;
privateProgressDialogproDialog;
HandlerloginHandler=newHandler(){
publicvoidhandleMessage(Messagemsg)
{
isNetError=msg.getData().getBoolean("isNetError");
if(proDialog!=null)
{
proDialog.dismiss();
}
if(isNetError)
{
Toast.makeText(Login.this,"当前网络不可用",
Toast.LENGTH_SHORT).show();
}
else
{
Toast.makeText(Login.this,"错误的用户名或密码",
Toast.LENGTH_SHORT).show();
clearSharePassword();
}
}
};
publicvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.login);
findViewsById();
initView(false);
setListener();
}
privatevoidfindViewsById(){
view_userName=(EditText)findViewById(R.id.loginUserNameEdit);
view_password=(EditText)findViewById(R.id.loginPasswordEdit);
view_rememberMe=(CheckBox)findViewById(R.id.loginRememberMeCheckBox);
view_loginSubmit=(Button)findViewById(R.id.loginSubmit);
}
privatevoidinitView(booleanisRememberMe){
SharedPreferencesshare=getSharedPreferences(SHARE_LOGIN_TAG,0);
StringuserName=share.getString(SHARE_LOGIN_USERNAME,"");
Stringpassword=share.getString(SHARE_LOGIN_PASSWORD,"");
Log.d(this.toString(),"userName="+userName+"password="+password);
if(!"".equals(userName)){
view_userName.setText(userName);
}
if(!"".equals(password)){
view_password.setText(password);
view_rememberMe.setChecked(true);
}
if(view_password.getText().toString().length()>0){
//view_loginSubmit.requestFocus();
//view_password.requestFocus();
}
share=null;
}
privatebooleanvalidateLocalLogin(StringuserName,Stringpassword,StringvalidateUrl){
booleanloginState=false;
HttpURLConnectionconn=null;
DataInputStreamdis=null;
try
{
URLurl=newURL(validateUrl);
conn=(HttpURLConnection)url.openConnection();
conn.setConnectTimeout(5000);
conn.setRequestMethod("GET");
conn.connect();
dis=newDataInputStream(conn.getInputStream());
if(conn.getResponseCode()!=HttpURLConnection.HTTP_OK)
{
Log.d(this.toString(),"HTTPERROR");
isNetError=true;
returnfalse;
}
intloginStateInt=dis.read();
Log.v("loginState",String.valueOf(loginStateInt));
if(loginStateInt==1)
{
loginState=true;
}
}
catch(Exceptione)
{
e.printStackTrace();
isNetError=true;
Log.d(this.toString(),e.getMessage()+"127line");
}
finally
{
if(conn!=null)
{
conn.disconnect();
}
}
if(loginState)
{
if(isRememberMe())
{
saveSharePreferences(true,true);
}
else
{
saveSharePreferences(true,false);
}
}
else
{
if(!isNetError)
{
clearSharePassword();
}
}
if(!view_rememberMe.isChecked())
{
clearSharePassword();
}
Log.v("loginState",String.valueOf(loginState));
returnloginState;
}
privatevoidsaveSharePreferences(booleansaveUserName,booleansavePassword){
SharedPreferencesshare=getSharedPreferences(SHARE_LOGIN_TAG,0);
if(saveUserName){
Log.d(this.toString(),"saveUserName="
+view_userName.getText().toString());
share.edit().putString(SHARE_LOGIN_USERNAME,
view_userName.getText().toString()).commit();
}
if(savePassword){
share.edit().putString(SHARE_LOGIN_PASSWORD,
view_password.getText().toString()).commit();
}
share=null;
}
privatebooleanisRememberMe(){
if(view_rememberMe.isChecked()){
returntrue;
}
returnfalse;
}
privateOnClickListenersubmitListener=newOnClickListener(){
publicvoidonClick(Viewv){
proDialog=ProgressDialog.show(Login.this,"请稍候",
"",true,true);
ThreadloginThread=newThread(newLoginFailureHandler());
loginThread.start();
}
};
//.start();
//}
//};
privateOnCheckedChangeListenerrememberMeListener=newOnCheckedChangeListener(){
publicvoidonCheckedChanged(CompoundButtonbuttonView,
booleanisChecked){
if(view_rememberMe.isChecked()){
Toast.makeText(Login.this,"ischecked",
Toast.LENGTH_SHORT).show();
}
}
};
privatevoidsetListener(){
view_loginSubmit.setOnClickListener(submitListener);
view_rememberMe.setOnCheckedChangeListener(rememberMeListener);
}
publicbooleanonCreateOptionsMenu(Menumenu){
super.onCreateOptionsMenu(menu);
menu.add(0,MENU_EXIT,0,getResources().getText(R.string.MENU_EXIT));
menu.add(0,MENU_ABOUT,0,getResources().getText(R.string.MENU_ABOUT));
returntrue;
}
publicbooleanonMenuItemSelected(intfeatureId,MenuItemitem){
super.onMenuItemSelected(featureId,item);
switch(item.getItemId()){
caseMENU_EXIT:
finish();
break;
caseMENU_ABOUT:
alertAbout();
break;
}
returntrue;
}
privatevoidalertAbout(){
newAlertDialog.Builder(Login.this).setTitle(R.string.MENU_ABOUT)
.setMessage(R.string.aboutInfo).setPositiveButton(
R.string.ok_label,
newDialogInterface.OnClickListener(){
publicvoidonClick(
DialogInterfacedialoginterface,inti){
}
}).show();
}
privatevoidclearSharePassword(){
SharedPreferencesshare=getSharedPreferences(SHARE_LOGIN_TAG,0);
share.edit().putString(SHARE_LOGIN_PASSWORD,"").commit();
share=null;
}
classLoginFailureHandlerimplementsRunnable{
publicvoidrun(){
userName=view_userName.getText().toString();
password=view_password.getText().toString();
StringvalidateURL="http://10.0.2.2:8080/androidShopServer/loginCheck.action?userName="
+userName+"&password="+password;
booleanloginState=validateLocalLogin(userName,password,
validateURL);
Log.d(this.toString(),"validateLogin");
if(loginState)
{
Intentintent=newIntent();
intent.setClass(Login.this,IndexPage.class);
Bundlebundle=newBundle();
bundle.putString("MAP_USERNAME",userName);
intent.putExtras(bundle);
startActivity(intent);
proDialog.dismiss();
}else{
Messagemessage=newMessage();
Bundlebundle=newBundle();
bundle.putBoolean("isNetError",isNetError);
message.setData(bundle);
loginHandler.sendMessage(message);
}
}
}
}

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