java arraylist if you don 27t want to use add 28 29

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Erica
19 Sep 2017
1public class MainActivity extends AppCompatActivity {
2
3    @Override
4    protected void onCreate(Bundle savedInstanceState) {
5        super.onCreate(savedInstanceState);
6        setContentView(R.layout.activity_main);
7
8
9        ListView myListView = (ListView) findViewById(R.id.myListView);
10
11        final ArrayList<String> myFriendsList = new ArrayList<String>(asList("Friend1", "Friend2", "Friend3", "Friend4", "Friend5"));
12
13        // set the layout of the list
14        ArrayAdapter<String> friendsArrayAdapter = new ArrayAdapter<String>(this,
15                                                android.R.layout.simple_list_item_1, myFriendsList);
16
17        // connect adapter to myFriendsList
18        myListView.setAdapter(friendsArrayAdapter);
19
20        // set onClickListener
21        myListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
22            @Override
23            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
24
25                Toast.makeText(MainActivity.this, myFriendsList.get(position), Toast.LENGTH_SHORT).show();
26            }
27        });
28
29
30
31
32    }
33}
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