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1package nl.saxion.contactapp.Activities;
2
3import android.content.Intent;
4import android.support.annotation.Nullable;
5import android.support.v7.app.AppCompatActivity;
6import android.os.Bundle;
7import android.util.Log;
8import android.view.View;
9import android.widget.AdapterView;
10import android.widget.ListView;
11import android.widget.Toast;
12
13import java.util.ArrayList;
14import java.util.Objects;
15
16import nl.saxion.contactapp.Contact;
17import nl.saxion.contactapp.Adapters.DisplayDataAdapter;
18import nl.saxion.contactapp.R;
19
20public class MainActivity extends AppCompatActivity {
21    private ArrayList<Contact> contacts;
22    public static final String NAME_KEY = "specialKey";
23    public static final String NUMBER_KEY = "secretKey";
24    public static final int CONFIRM_KEY = 23;
25    private int place;
26    private DisplayDataAdapter adapter;
27
28    @Override
29    protected void onCreate(Bundle savedInstanceState) {
30        super.onCreate(savedInstanceState);
31        setContentView(R.layout.activity_main);
32
33        contacts = new ArrayList<>();
34        createAndAddContacts();
35
36        adapter = new DisplayDataAdapter(this, contacts);
37        final ListView listView = findViewById(R.id.listView);
38        listView.setAdapter(adapter);
39
40        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
41            @Override
42            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
43                place = position;
44                Intent intent = new Intent(MainActivity.this, DetailedActivity.class);
45                intent.putExtra(NAME_KEY, contacts.get(position).getName());
46                intent.putExtra(NUMBER_KEY, contacts.get(position).getPhoneNumber());
47                startActivityForResult(intent, CONFIRM_KEY);
48            }
49        });
50    }
51
52    private void createAndAddContacts() {
53        Contact first = new Contact("Donald Duck", "09003677378");
54        Contact second = new Contact("Chicken Ginger", "0612345678");
55        Contact third = new Contact("Bugs Bunny", "0684738223");
56        Contact fourth = new Contact("Wilie E Coyote", "02034567890");
57        Contact fifth = new Contact("Bart Simpson", "0884895173");
58        Contact sixth = new Contact("Homer Simpson", "0900657995");
59        Contact seventh = new Contact("Maggie Simpson", "068472354419");
60
61        this.contacts.add(first);
62        this.contacts.add(second);
63        this.contacts.add(third);
64        this.contacts.add(fourth);
65        this.contacts.add(fifth);
66        this.contacts.add(sixth);
67        this.contacts.add(seventh);
68    }
69
70    @Override
71    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
72        super.onActivityResult(requestCode, resultCode, data);
73        String changedName;
74        String changedPhoneNumber;
75
76        if (requestCode == CONFIRM_KEY && resultCode == RESULT_OK) {
77            try {
78                changedName = Objects.requireNonNull(data).getStringExtra(NAME_KEY);
79                changedPhoneNumber = data.getStringExtra(NUMBER_KEY);
80
81                this.contacts.get(place).setName(changedName);
82                this.contacts.get(place).setPhoneNumber(changedPhoneNumber);
83                Log.d("MainActivity", "I AM HERE");
84            }
85            catch (NullPointerException npe) {
86                Toast.makeText(this, "No changes made.", Toast.LENGTH_LONG).show();
87            }
88        }
89    }
90
91    @Override
92    protected void onResume() {
93        super.onResume();
94        adapter.notifyDataSetChanged();
95    }
96}