我想設置遊標上的條件,如果在數據庫中找不到某些數據,則返回String NOT FOUND。如何設置光標上的條件
static class NoteHolder {
private TextView noteText = null;
NoteHolder(View row) {
noteText = (TextView) row.findViewById(R.id.notecontent);
}
void populateFrom(Cursor c, NoteHelper helper) {
noteText.setText(helper.getAnswer(c));
}
}
我的數據庫助手代碼是
public Cursor getAll() {
return (getReadableDatabase().rawQuery(
"SELECT _id,Answer From Q_A Where Answer like '%"
+ searchcontent + "%'", null));
}
public String getAnswer(Cursor c) {
return (c.getString(1));
}