다음 사용자 지정 어댑터를 사용하여 DB 커서에서 내 목록 컨트롤을 채 웁니다. super가 호출 될 때 특별히이 코드가 생성자에서 충돌하는 이유를 이해할 수 없습니다.DB 커서가있는 사용자 지정 어댑터의 쿼리
public class ListAdaptor extends SimpleCursorAdapter {
private Cursor dataCursor;
private LayoutInflater mInflater;
class ViewHolder {
public TextView label = null;
public CheckBox chkBx = null;
public TextView price = null;
public TextView weight = null;
}
//constructor
public ListAdaptor(Context context, int layout, Cursor dataCursor, String[] from, int[] to) {
super(context, layout, dataCursor, from, to);
this.dataCursor = dataCursor;
mInflater = LayoutInflater.from(context);
}
public View getView(int position, View convertView, ViewGroup parent) {
// A ViewHolder keeps references to children views to avoid unneccessary calls
// to findViewById() on each row.
ViewHolder holder;
// When convertView is not null, we can reuse it directly, there is no need
// to reinflate it. We only inflate a new View when the convertView supplied
// by ListView is null.
if (convertView == null) {
// Inflate the view
convertView = mInflater.inflate(R.layout.listviewlyt, null);
// Get the ID's of the views
TextView tmpLbl = (TextView)convertView.findViewById(R.id.label);
CheckBox tmpChkBx = (CheckBox)convertView.findViewById(R.id.chkbox);
TextView tmpPrc = (TextView)convertView.findViewById(R.id.labelPrice);
TextView tmpWt = (TextView)convertView.findViewById(R.id.labelWt);
// Creates a ViewHolder and store references to the two children views
// we want to bind data to.
holder = new ViewHolder();
holder.label = tmpLbl;
holder.chkBx = tmpChkBx;
holder.price = tmpPrc;
holder.weight = tmpWt;
// Set the Tag
convertView.setTag(holder);
}
else {
// Get the ViewHolder back to get fast access to the TextView
// and the ImageView.
holder = (ViewHolder) convertView.getTag();
}
// Bind the data efficiently with the holder.
// Cursor to current item
dataCursor.moveToPosition(position);
String keyWrd = dataCursor.getString(2);
String price = dataCursor.getString(3);
TextView labelRef = holder.label;
CheckBox chbxRef = holder.chkBx;
TextView labelPrc = holder.price;
TextView labelWt = holder.weight;
labelRef.setText(keyWrd);
labelPrc.setText(price);
//chbxRef.setChecked(refObj.flag);
//labelWt.setText(refObj.wt);
return convertView;
}
}
누군가가 이유를 찾도록 도와 줄 수 있습니까?
후 오류 로그주세요. – hovanessyan
스레드 [<3> 본체 (일시 중지) \t \t \t \t ActivityThread.performLaunchActivity (ActivityThread $ ActivityRecord 의도) 라인 : 2,494 \t \t \t \t ActivityThread.handleLaunchActivity (ActivityThread $ ActivityRecord 의도) 라인 : 2,512 \t \t \t \t ActivityThread.access $ 2200 (ActivityThread, ActivityThread $ ActivityRecord, Intent) 줄 : 119 \t \t \t \t ActivityThread $ H.handleMessage (메시지) 줄 : 1863,210 \t \t \t ActivityThread $ H (핸들러) .dispatchMessage (메시지) 라인 99 \t \t \t \t Looper.loop() 선 123 \t \t \t \t ActivityThread.main (문자열 []) 라인 : 4363 – Phoenix
무엇 예외는 무엇입니까? –