質問編集履歴
1
コードを追加しました
title
CHANGED
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File without changes
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body
CHANGED
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@@ -13,7 +13,43 @@
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13
13
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MainActivity:
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14
14
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```Java
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15
15
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public class MainActivity extends AppCompatActivity {
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16
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+
@Override
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17
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protected void onResume() {
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super.onResume();
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16
19
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20
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selectDb();
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}
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public void selectDb() {
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_helper = new DatabaseHelper(MainActivity.this);
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SQLiteDatabase db = _helper.getWritableDatabase();
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26
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27
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String[] projection = {
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28
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DatabaseContract._ID,
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29
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DatabaseContract.COLUMN_NAME_TITLE,
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30
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};
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31
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32
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_cursor = db.query(
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33
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DatabaseContract.TABLE_NAME,
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34
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projection,
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35
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null,
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36
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null,
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37
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null,
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38
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null,
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39
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null
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40
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);
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41
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42
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AACursorAdapter _adapter = new AACursorAdapter(MainActivity.this, _cursor);
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43
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44
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ListView lvMemo = findViewById(R.id.lvMemo);
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45
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46
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lvMemo.setAdapter(_adapter);
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47
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48
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lvMemo.setOnItemClickListener(new ListItemClickListener());
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49
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50
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lvMemo.setOnItemLongClickListener(new ListItemLongClickListener());
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51
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}
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52
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17
53
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private class ListItemClickListener implements AdapterView.OnItemClickListener{
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54
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@Override
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55
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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@@ -46,6 +82,49 @@
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46
82
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}
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47
83
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```
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48
84
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85
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+
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86
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AACursorAdapter:
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87
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```Java
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88
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public class AACursorAdapter extends CursorAdapter {
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89
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90
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private LayoutInflater mInflater;
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91
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92
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public AACursorAdapter(Context context, Cursor cursor) {
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93
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super(context, cursor);
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94
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95
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mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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96
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}
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97
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static class ViewHolder {
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TextView title;
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}
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102
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@Override
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public View newView(Context context, Cursor cursor, ViewGroup viewGroup) {
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View view = mInflater.inflate(R.layout.memo_list_item, null);
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ViewHolder holder = new ViewHolder();
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holder.title = (TextView) view.findViewById(R.id.tvTitle);
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view.setTag(holder);
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110
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return view;
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}
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113
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@Override
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115
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public void bindView(View view, Context context, Cursor cursor) {
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116
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ViewHolder holder = (ViewHolder) view.getTag();
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117
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118
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int memoId = cursor.getInt(0);
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119
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String memoTitle = cursor.getString(1);
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120
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121
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holder.title.setText(memoTitle);
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122
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}
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123
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124
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}
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125
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```
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126
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+
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127
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+
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49
128
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DeleteConfirmDialogFragment:
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50
129
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```Java
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51
130
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public class DeleteConfirmDialogFragment extends DialogFragment {
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