krishnaveni

Hi Good Afternoon,

am new to android ....i need login page using session concepts,..how is creating session variable in android..plz reply me...send me what is the best link for learning above concepts...

jonathanrz

The best way to init in android dev is the google tutorials: The Developer's Guide | Android Developers

krishnaveni

Hi Good Afternoon,

am developed one login page..here i like to managing session concepts..but i dono...plz help me..i know ly the managing session concepts coding part is
HttpSession session = request.getSession (true);
if (session.isNew() == false) {
session.invalidate();
session = request.getSession(true);
}
session.setAttribute("username", firstname);
firstname username = (firstname)
session.getAttribute('username');
if (username == null) {
response.sendRedirect
("LoginLayoutActivity.java");
return;
}.
dis coding am inserting my project..but here that pink color username having error..the error is invalid character constant..how it is cleared?....help me..

jonathanrz

You are using ', in Java, this is used for char, to strings is used ", same way you do in the SetAtribute.

Ex:
char c = 'A';
String s = "A";