我希望在ListActivity中实现一个Loader,但 Activity 无法识别getLoaderManager。
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
dbHelper = new DBHelper(this,DBNAME,FindPackageName(), TABLE_NAME);
sql = dbHelper.getReadableDataBase();
//Log.d("Gaurav","Database Open");
String[] from = new String[]{"word","_id","MyList"};
int[] to = new int[]{R.id.listrow };
simpleCursorLoader = new SimpleCursorLoader(this, TABLE_NAME, from, null, null, null, null, null, null, sql);
//query result will be whole database
//cursor = sql.query(TABLE_NAME, from, null, null, null, null, null);
//startManagingCursor(cursor); //this method is deprecated
//Log.d(TAG,"Cursor Set");
completerOrMyListAdapter = new CompleteOrMyListAdapter(this,
R.layout.completeormylist_adapter, cursor, from, to, dbHelper);
setListAdapter(completerOrMyListAdapter);
// Prepare the loader. Either re-connect with an existing one,
// or start a new one.
LoaderManager lm = getLoaderManager();
//if (lm.getLoader(0) != null) {
// lm.initLoader(0, null, this);
//}
//getLoaderManager().initLoader(0, null, this);
}
最佳答案
如果您的应用只能在API级别11或更高级别上运行,请适当设置构建目标,该方法将可用。
但是,如果您使用的是Android兼容性库来支持API级别11之前的加载器,则不能使用ListActivity
。您必须从FragmentActivity
继承。可以使用ListFragment
,也可以只使用您自己管理的简单ListView
。
关于android - ListActivity中的getLoaderManager,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/7622913/