我创建了一个自定义的 CursorAdapter 并想要选择一个列表项,以便在 onOptionsItemSelected 中启动一个操作。
创建 ListView :
public void onCreate(Bundle savedInstanceState) {
Log.d(TAG, "onCreate called");
super.onCreate(savedInstanceState);
Log.d(TAG, "create DatabaseOpenHelper");
DatabaseOpenHandler helper = new DatabaseOpenHandler(this);
Log.d(TAG, "get writeable database access");
database = helper.getWritableDatabase();
Log.d(TAG, "create Cursor for database access");
Cursor data = database.query(DatabaseConstants.TABLE_NOTES, fields,
null, null, null, null, null);
Log.d(TAG, "set NoteCursorAdapeter");
setListAdapter(new NoteCursorAdapter(this, data));
}
onOptionItemSelected:
public boolean onOptionsItemSelected(MenuItem item) {
Log.d(TAG, "onOptionItemSelected called");
switch (item.getItemId()) {
case R.id.conference_note_menu_new:
Toast.makeText(this, "Es sind keine Einstellungen verfügbar",
Toast.LENGTH_LONG).show();
return true;
case R.id.conference_note_menu_edit:
Toast.makeText(this, "Es sind keine Einstellungen verfügbar",
Toast.LENGTH_LONG).show();
return true;
case R.id.conference_note_menu_delete:
Toast.makeText(this, "Es sind keine Einstellungen verfügbar",
Toast.LENGTH_LONG).show();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
在互联网上找不到任何有用的信息。
最佳答案
onOptionsItemSelected 用于菜单。你需要像这样为你的 ListView 设置 onItemClickListener:
getListView().setOnItemClickListener(this);
并实现:@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
// TODO Auto-generated method stub
}
关于android - CursorAdapter 的 onClick 监听器,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/9990076/