01.public class MainActivity extends AppCompatActivity {
02.
03. private ArrayList<String> data = new ArrayList<String>();
04.
05. @Override
06. protected void onCreate(Bundle savedInstanceState) {
07. super.onCreate(savedInstanceState);
08. setContentView(R.layout.activity_main);
09. ListView lv = (ListView) findViewById(R.id.listview);
10. generateListContent();
11. lv.setAdapter(new MyListAdaper(this, R.layout.list_item, data));
12. lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
13. @Override
14. public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
15. Toast.makeText(MainActivity.this, "List item was clicked at " + position, Toast.LENGTH_SHORT).show();
16. }
17. });
18. }
19.
20. private void generateListContent() {
21. for(int i = 0; i < 55; i++) {
22. data.add("This is row number " + i);
23. }
24. }
25.
26. @Override
27. public boolean onCreateOptionsMenu(Menu menu) {
28.
29. getMenuInflater().inflate(R.menu.menu_main, menu);
30. return true;
31. }
32.
33. @Override
34. public boolean onOptionsItemSelected(MenuItem item) {
35.
36.
37.
38. int id = item.getItemId();
39.
40.
41. if (id == R.id.action_settings) {
42. return true;
43. }
44.
45. return super.onOptionsItemSelected(item);
46. }
47.
48. private class MyListAdaper extends ArrayAdapter<String> {
49. private int layout;
50. private List<String> mObjects;
51. private MyListAdaper(Context context, int resource, List<String> objects) {
52. super(context, resource, objects);
53. mObjects = objects;
54. layout = resource;
55. }
56.
57. @Override
58. public View getView(final int position, View convertView, ViewGroup parent) {
59. ViewHolder mainViewholder = null;
60. if(convertView == null) {
61. LayoutInflater inflater = LayoutInflater.from(getContext());
62. convertView = inflater.inflate(layout, parent, false);
63. ViewHolder viewHolder = new ViewHolder();
64. viewHolder.thumbnail = (ImageView) convertView.findViewById(R.id.list_item_thumbnail);
65. viewHolder.title = (TextView) convertView.findViewById(R.id.list_item_text);
66. viewHolder.button = (Button) convertView.findViewById(R.id.list_item_btn);
67. convertView.setTag(viewHolder);
68. }
69. mainViewholder = (ViewHolder) convertView.getTag();
70. final ViewHolder finalMainViewholder = mainViewholder;
71. mainViewholder.button.setOnClickListener(new View.OnClickListener() {
72. @Override
73. public void onClick(View v) {
74. Toast.makeText(getContext(), "Button was clicked for list item " + position, Toast.LENGTH_SHORT).show();
75. finalMainViewholder.button.setEnabled(false);
76. }
77. });
78. mainViewholder.title.setText(getItem(position));
79.
80. return convertView;
81. }
82. }
83. public class ViewHolder {
84.
85. ImageView thumbnail;
86. TextView title;
87. Button button;
88. }
89.}
