Teams Winter 2011/team1/Android/Adding Functionality to Main Screen Elements

3. Adding Functionality to Main Screen Elements

3.1. Create class Student. It is holder for contacts:

3.2. Inside the ContractList class create a Vector of objects Student:

     private Vector<Student> studentList;
 

3.3. Populate the Vector:

     public Vector<Student> getList(){
        studentList = new Vector<Student>();
       
        studentList.addElement(new Student("Anastasia", "Semionova", "asemionova1@learn.senecac.on.ca"));
        studentList.addElement(new Student("Minoo", "Ziaei", "minoo.ziaei@senecac.on.ca"));
        studentList.addElement(new Student("Ladan", "Zadeh", "lzahiroleslamzadeh@learn.senecac.on.ca"));
        studentList.addElement(new Student("Sergiu", "Ecob", "secob@learn.senecac.on.ca"));
        return studentList;
      }
 

3.4. Create the method that generates list on the screen:

    public void displayData(){        
       
        ListAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, studentList);
        contactsList = (ListView) findViewById(R.id.listView1);
        contactsList.setAdapter(adapter);
    }
 

3.5. Populate the listView on the main screen:

   ListAdapter adapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1, studentList);
        ListView contactsList = (ListView) findViewById(R.id.listView1);
        contactsList.setAdapter(adapter);
 

3.6. Add list to the main screen on create:

  @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        studentList = getList();       
        displayData();
       
    }
 

3.5. run the application: