How to access class and its member in other activity?

Question

i made a class User with properties in user.java file and want to access that class in other activity. i made the object of that class in main activity but its not working

public class User{

    public static int id;
    public static String name;
    public static String desg;


    public int getId() {
        return id;
    }
    public void setId(int id) {
        User.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        User.name = name;
    }
    public String getDesg() {
        return desg;
    }
    public void setDesg(String desg) {
        User.desg = desg;
    }

}

public class MainActivity extends Activity {

        User user = new User();
        EditText name = (EditText)findViewById(R.id.name);
        EditText desg= (EditText)findViewById(R.id.desg);
        EditText id = (EditText)findViewById(R.id.id);

    ArrayList<user> userlist = new ArrayList<user>();
    Button btn;

http://stackoverflow.com/questions/7181526/how-can-i-make-my-custom-objects-be-parcelable — Raghunandan, Aug 10 '16 at 10:56
Make the class Parcelable and pass it in bundle to next activity — MRX, Aug 10 '16 at 10:57
the `.(dot)` operator is used to access the properties of an object. use it like `user.setId(id);` — M.Waqas Pervez, Aug 10 '16 at 10:58
i should use the dot operator in main activity to access its properties?? — hira, Aug 10 '16 at 11:02
i think you need to go over the basic of java and oop one more time to fully understand whats going on.. just a opinion though. — M.Waqas Pervez, Aug 10 '16 at 11:07

score 4 · Answer 1 · answered Aug 10 '16 at 11:03

4

Write Capital "U" instead of small "u" like below

ArrayList<User> userlist = new ArrayList<User>();

and you will be able to access User class in Arraylist

answered Aug 10 '16 at 11:03

Akshay Panchal

695
5
15

not sure if it's complete answer, but anyway.. nice catch! – Jordi Castilla Aug 10 '16 at 11:05
Thanks @JordiCastilla – Akshay Panchal Aug 10 '16 at 11:06

score 0 · Accepted Answer · edited May 23 '17 at 12:22

I guess you wanna get edittext's content to the User class object and add this object to arraylist. If so, you can do this part like that.

public class MainActivity extends Activity {
    ...

    User user = new User();
    EditText name = (EditText)findViewById(R.id.name);
    EditText desg= (EditText)findViewById(R.id.desg);
    EditText id = (EditText)findViewById(R.id.id);

    user.setName(name.getText().toString());
    user.setDesg(desg.getText().toString());
    user.setId(Integer.parseInt(id.getText().toString()));

    ArrayList<User> userlist = new ArrayList<User>();
    userlist.add(user);
}

And if you send this userlist to another activity, you have to use parcelable. So you can check Raghunandan's answer

score -1 · Answer 3 · answered Aug 10 '16 at 11:09

-1

Write ('u' is capital here)

ArrayList<User>userlist = new ArrayList<User>();

instead of

ArrayList<user>userlist = new ArrayList<user>();

answered Aug 10 '16 at 11:09

Akhilesh Pathak

1
1

am i correctly assigning the text values to the members of class user? – hira Aug 10 '16 at 11:16
why do you repeat an answer? – Jordi Castilla Aug 10 '16 at 11:29

How to access class and its member in other activity?

3 Answers3