Xp6xbfAP

1 private List<Contact> contacts;
2 private ContactAdapter contactAdapter;
3 private Random random;
4
5    @Override
6    protected void onCreate(Bundle savedInstanceState) {
7        super.onCreate(savedInstanceState);
8        setContentView(R.layout.activity_main);
9        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
10        setSupportActionBar(toolbar);
11
12        contacts = new ArrayList<>();
13        random = new Random();
14
15        for (int i = 0; i < 20; i++) {
16            Contact contact = new Contact();
17            contact.setPhone("085710830260");
18            contact.setEmail("dekikurnia" + i + "@gmail.com");
19            contacts.add(contact);
20        }
21
22        RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
23
24        recyclerView.setLayoutManager(new LinearLayoutManager(this));
25        contactAdapter = new ContactAdapter(recyclerView, contacts, this);
26        recyclerView.setAdapter(contactAdapter);
27
28        contactAdapter.setOnLoadMoreListener(new OnLoadMoreListener() {
29            @Override
30            public void onLoadMore() {
31                if (contacts.size() <= 20) {
32                    contacts.add(null);
33                    contactAdapter.notifyItemInserted(contacts.size() - 1);
34                    new Handler().postDelayed(new Runnable() {
35                        @Override
36                        public void run() {
37                            contacts.remove(contacts.size() - 1);
38                            contactAdapter.notifyItemRemoved(contacts.size());
39
40                            int index = contacts.size();
41                            int end = index + 10;
42                            for (int i = index; i < end; i++) {
43                                Contact contact = new Contact();
44                                contact.setPhone("085710830260");
45                                contact.setEmail("dekikurnia" + i + "@gmail.com");
46                                contacts.add(contact);
47                            }
48                            contactAdapter.notifyDataSetChanged();
49                            contactAdapter.setLoaded();
50                        }
51                    }, 5000);
52                } else {
53                    Toast.makeText(MainActivity.this, "Loading data completed", Toast.LENGTH_SHORT).show();
54                }
55            }
56        });
57    }