I am newbie to android Application. I made a login page where only already registered user from website can login. When user enters his username and password I want authenticate the registered user. How can I Authenticate username and password. I am using the following code please look at this and help me. when login button is clicked, it shows some errors.
Main.java
public class Main extends Activity implements OnClickListener {
Button ok,back,exit;
TextView result;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Login button clicked
ok = (Button)findViewById(R.id.btn_login);
ok.setOnClickListener(this);
result = (TextView)findViewById(R.id.lbl_result);
}
public void postLoginData() {
// Create a new HttpClient and Post Header
HttpClient httpclient = new DefaultHttpClient();
/* login.php returns true if username and password is equal to saranga */
HttpPost httppost = new HttpPost("http://yoursite.com/wp-login.php");
try {
// Add user name and password
EditText uname = (EditText)findViewById(R.id.txt_username);
String username = uname.getText().toString();
EditText pword = (EditText)findViewById(R.id.txt_password);
String password = pword.getText().toString();
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("username", username));
nameValuePairs.add(new BasicNameValuePair("password", password));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
// Execute HTTP Post Request
Log.w("", "Execute HTTP Post Request");
HttpResponse response = httpclient.execute(httppost);
String str = inputStreamToString(response.getEntity().getContent()).toString();
Log.w("", str);
if(str.toString().equalsIgnoreCase("true"))
{
Log.w("", "TRUE");
result.setText("Login successful");
}else
{
Log.w("", "FALSE");
result.setText(str);
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
private StringBuilder inputStreamToString(InputStream is) {
String line = "";
StringBuilder total = new StringBuilder();
// Wrap a BufferedReader around the InputStream
BufferedReader rd = new BufferedReader(new InputStreamReader(is));
// Read response until the end
try {
while ((line = rd.readLine()) != null) {
total.append(line);
}
} catch (IOException e) {
e.printStackTrace();
}
// Return full string
return total;
}
public void onClick(View view) {
if(view == ok){
postLoginData();
}
}
}
errors
Execute HTTP Post Request
Default buffer size used in BufferedReader constructor. It would be better to be explicit if an 8k-char buffer is required.
<html><head> <title>yoursite.com: The Leading Website Site on the Net</title> <script type="text/javascript">; if(self != top) top.location.href = 'http://'+location.hostname+'/?redir=frame& uid=yoursite50a47fe3380989.09080642'; </script> <script type="text/javascript" src="http://return.bs.domainnamesales.com /return_js.php?d=yoursite.com&s=1352957923"></script> </head> <frameset cols="1,*,1" border=0> <frame name="top" src="tg.php?uid=yoursite50a47fe3380989.09080642" scrolling=no frameborder=0 noresize framespacing=0 marginwidth=0 marginheight=0> <frame src="search.php?uid=yoursite50a47fe3380989.09080642" scrolling="auto" framespacing=0 marginwidth=0 marginheight=0 noresize> <frame src="page.php?yoursite50a47fe3380989.09080642"></frame> </frameset> <noframes> yoursite.com has been connecting our visitors with providers of Computer Networking, Dedicated Web Servers, Email Domain Hosting and many other related services for nearly 10 years. Join thousands of satisfied visitors who found Ftp Hosts, Ftp Servers, Host, Internet Servers, and Linux Servers.<br/> </noframes></html>
FALSE
