for(int i = 0 ;pseudo.size() <= i; i++){
        ContentValues values = new ContentValues();
        String contact = (String) pseudo.get(i);
        values.put("pseudo", contact);
        values.put("adresse", "test");
        values.put("image", "test");
        values.put("ID", "5");
        dbwrite.insert("Contact", null, values);
    }

String[] retour = {
        "pseudo",
        "xmppadresse",
        "image", "ID"
        };
    Cursor cursor = dbread.query("Contact", retour, null, null, null, null, "pseudo");
    Log.d("debug", "populateWithInitialContacts: "+cursor.getCount());
    while(cursor.moveToNext()) {
        String pseudo = cursor.getString(cursor.getColumnIndexOrThrow("pseudo"));
        Log.d("debug", "getcontact: "+pseudo);
        listcontact.add(new Contact(pseudo));
    }
    cursor.close();

for(int i = 0 ;pseudo.size() <= i; i++)

for(int i = 0 ;i < pseudo.size(); i++)