小编Mee*_*shi的帖子

在使用Fragment用法调用我的活动时,我遇到了一个奇怪的问题.我得到的错误就像,

java.lang.IllegalStateException:Fragment ScoreFragment {ee2b833 id = 0x7f0e0198}未附加到Activity

在第146行.我的片段代码有错误如下所示

if(mPageFlag.equalsIgnoreCase(getString(R.string.winners))){

我的完整代码如下,

 @Override
public void onCreate(Bundle savedInstanceState) { 
super.onCreate(savedInstanceState); 
  if (getArguments() != null) {
    mPageFlag = getArguments().getString(ARG_PAGE_FLAG); 
  } 
}

@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
    super.setUserVisibleHint(isVisibleToUser);
    if(isVisibleToUser && !mIsPageLoaded){
        mContext = getActivity();
        mIsPageLoaded = true;
        if(mPageFlag.equalsIgnoreCase(getString(R.string.winners))){
            new getcontestscorewinners(mContext).execute();
        }else{ //

            new getcontestscorewinnersNew(mContext).execute();
        }
    }
}


public class getcontestscorewinners extends AsyncTask<String, Void, String> {
    boolean response = false;

    private Context mContext;

    public getcontestscorewinners(Context context) {
        mContext = context;
    }

    @Override
    protected void onPreExecute() …