虽然我在PagerAdapter中覆盖了destroyItem(…),在ViewPager中滑动页面时收到错误

UnsupportedOperationException required method destroyItem was not

overridden

public class PropertyPagerAdapter extends PagerAdapter {

private Context _context;

private int layoutId;

private List dataList;

public PropertyPagerAdapter(Context context,int resourceId,List objects) {

// TODO Auto-generated constructor stub

_context = context;

layoutId = resourceId;

dataList = objects;

}

@Override

public int getCount() {

// TODO Auto-generated method stub

return dataList.size();

}

@Override

public boolean isViewFromObject(View v,Object obj) {

// TODO Auto-generated method stub

return v == ((View) obj);

}

@Override

public void destroyItem(ViewGroup container,int position,Object object) {

// TODO Auto-generated method stub

super.destroyItem(container,position,object);

((ViewPager) container).removeView((View) object);

}

@SuppressLint("DefaultLocale")

@Override

public Object instantiateItem(ViewGroup container,int position) {

// TODO Auto-generated method stub

LayoutInflater inflater = (LayoutInflater) _context.getSystemService(

Context.LAYOUT_INFLATER_SERVICE);

View pagerView = inflater.inflate(layoutId,container,false);

TextView propertyNameTxtView = (TextView) pagerView.

findViewById(R.id.propertyNameTxtView);

TextView netIncomeTxtView = (TextView) pagerView.

findViewById(R.id.netIncomeTxtView);

TextView netIncomeValueTxtView = (TextView) pagerView.

findViewById(R.id.netIncomeValueTxtView);

TextView netExpTxtView = (TextView) pagerView.

findViewById(R.id.netExpTxtView);

TextView netExpValueTxtView = (TextView) pagerView.

findViewById(R.id.netExpValueTxtView);

TextView netProfitTxtView = (TextView) pagerView.

findViewById(R.id.netProfitTxtView);

TextView netProfitValueTxtView = (TextView) pagerView.

findViewById(R.id.netProfitValueTxtView);

propertyNameTxtView.setTypeface(Utils.getRegularTypeface(_context));

netIncomeTxtView.setTypeface(Utils.getRegularTypeface(_context));

netIncomeValueTxtView.setTypeface(Utils.getRegularTypeface(_context));

netExpTxtView.setTypeface(Utils.getRegularTypeface(_context));

netExpValueTxtView.setTypeface(Utils.getRegularTypeface(_context));

netProfitTxtView.setTypeface(Utils.getRegularTypeface(_context));

netProfitValueTxtView.setTypeface(Utils.getRegularTypeface(_context));

String propertyName = "";

double netIncomeVal;

double netExpVal;

double netProfitVal;

AddPropertyInfo addPropertyInfo = dataList.get(position);

netIncomeVal = addPropertyInfo.getIncomeAmnt();

netExpVal = addPropertyInfo.getExpAmnt();

netProfitVal = netIncomeVal - netExpVal;

propertyName = addPropertyInfo.getPropertyName();

String netIncomeValStr = String.format("%.2f",netIncomeVal);

String netExpValStr = String.format("%.2f",netExpVal);

String netProfitValStr = String.format("%.2f",netProfitVal);

propertyNameTxtView.setText(propertyName);

netIncomeValueTxtView.setText(_context.getResources().

getString(R.string.doller) + netIncomeValStr);

netExpValueTxtView.setText(_context.getResources().

getString(R.string.doller) + netExpValStr);

netProfitValueTxtView.setText(_context.getResources().

getString(R.string.doller) + netProfitValStr);

((ViewPager) container).addView(pagerView);

return pagerView;

}

}

错误日志

10-30 18:59:11.711: E/AndroidRuntime(27093): FATAL EXCEPTION: main

10-30 18:59:11.711: E/AndroidRuntime(27093): Process: com.teklabs.portfoliomanagenent,PID: 27093

10-30 18:59:11.711: E/AndroidRuntime(27093): java.lang.UnsupportedOperationException: required method destroyItem was not overridden

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.support.v4.view.PagerAdapter.destroyItem(PagerAdapter.java:192)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.support.v4.view.PagerAdapter.destroyItem(PagerAdapter.java:124)

10-30 18:59:11.711: E/AndroidRuntime(27093): at com.teklabs.portfoliomanagenent.adapter.PropertyPagerAdapter.destroyItem(PropertyPagerAdapter.java:47)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.support.v4.view.ViewPager.populate(ViewPager.java:1002)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.support.v4.view.ViewPager.populate(ViewPager.java:914)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.support.v4.view.ViewPager$3.run(ViewPager.java:244)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:803)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.view.Choreographer.doCallbacks(Choreographer.java:603)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.view.Choreographer.doFrame(Choreographer.java:572)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:789)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.os.Handler.handleCallback(Handler.java:733)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.os.Handler.dispatchMessage(Handler.java:95)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.os.Looper.loop(Looper.java:157)

10-30 18:59:11.711: E/AndroidRuntime(27093): at android.app.ActivityThread.main(ActivityThread.java:5356)

10-30 18:59:11.711: E/AndroidRuntime(27093): at java.lang.reflect.Method.invokeNative(Native Method)

10-30 18:59:11.711: E/AndroidRuntime(27093): at java.lang.reflect.Method.invoke(Method.java:515)

10-30 18:59:11.711: E/AndroidRuntime(27093): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1265)

10-30 18:59:11.711: E/AndroidRuntime(27093): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1081)

10-30 18:59:11.711: E/AndroidRuntime(27093): at dalvik.system.NativeStart.main(Native Method)

如何解决？