Leoºdxw的个人资料

求助毕业设计做的是一款足球新闻app 用的是android studio 语言是java，数据库用的是bmob，遇到点问题，主页的数据正常的显示了，但是显示显示球队排名的这一页数据不显示了，先贴几张图片，如果不行的话我可以贴源码，求大神帮我看看。 liga public class LigaCategoryFragment extends Fragment{ private MainActivity mainActivity; private ListView listView2_category_liga; private LinearLayout load_layout; private ArrayList<ClubInfo>clubInfos=new ArrayList<>(); private ClubListItemAdapter clubListItemAdapter; @Override public void onAttach(Context context) { super.onAttach(context); mainActivity= (MainActivity) getActivity(); } @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view=inflater.inflate(R.layout.fragment_category,null); listView2_category_liga=view.findViewById(R.id.listView2_category); load_layout=view.findViewById(R.id.load_layout); clubListItemAdapter=new ClubListItemAdapter(mainActivity,clubInfos); listView2_category_liga.setAdapter(clubListItemAdapter); loadData(); return view; } //初始化数据 private void loadData() { if (clubInfos.size()==0){ load_layout.setVisibility(View.VISIBLE); listView2_category_liga.setVisibility(View.GONE); BmobQuery<ClubInfo>query=new BmobQuery<>(); query.setCachePolicy(BmobQuery.CachePolicy.CACHE_ELSE_NETWORK); query.addWhereEqualTo("categoryId ","5yVY444B"); query.findObjects(mainActivity, new FindListener<ClubInfo>() { @Override public void onSuccess(List<ClubInfo> list) { load_layout.setVisibility(View.GONE); listView2_category_liga.setVisibility(View.VISIBLE); clubListItemAdapter.setClubInfos((ArrayList<ClubInfo>) list); clubListItemAdapter.notifyDataSetChanged(); } @Override public void onError(int i, String s) { load_layout.setVisibility(View.GONE); listView2_category_liga.setVisibility(View.VISIBLE); } }); } } } viewholder public class ViewHolder { public static <T extends View>T getView(View view, int id){ SparseArray<View> viewHolder=(SparseArray<View>)view.getTag(); if(viewHolder==null){ viewHolder=new SparseArray<>(); view.setTag(viewHolder); } View v = viewHolder.get(id); if(v==null){ v=view.findViewById(id); viewHolder.put(id,v); } return (T) v; } } clubItemadapter public class ClubListItemAdapter extends BaseAdapter{ private String path =Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)+"/FootballnewStore"; private Context context; private ArrayList<ClubInfo>clubInfos; private BitmapUtils bitmapUtils; public ClubListItemAdapter(Context context, ArrayList<ClubInfo>clubInfos){ this.context=context; this.clubInfos=clubInfos; bitmapUtils= new BitmapUtils(context,path); bitmapUtils.configDefaultBitmapMaxSize(100,100); } @Override public int getCount() { return clubInfos.size(); } @Override public Object getItem(int position) { return clubInfos.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView==null){ convertView= LayoutInflater.from(context).inflate(R.layout.data_list_item,null); } TextView tv_pm=ViewHolder.getView(convertView,R.id.textView_pm); TextView tv_name=ViewHolder.getView(convertView,R.id.textView1_name); TextView tv_cc=ViewHolder.getView(convertView,R.id.textView2_cc); TextView tv_win=ViewHolder.getView(convertView,R.id.textView3_win); TextView tv_lose=ViewHolder.getView(convertView,R.id.textView6_lose); TextView tv_pg=ViewHolder.getView(convertView,R.id.textView4_pg); TextView tv_jf=ViewHolder.getView(convertView,R.id.textView5_jf); ImageView imageView_cm=ViewHolder.getView(convertView,R.id.imageView_club); ClubInfo clubInfo=clubInfos.get(position); tv_pm.setText(clubInfo.getRanking()); tv_name.setText(clubInfo.getClubname()); tv_cc.setText(clubInfo.getChangci()); tv_win.setText(clubInfo.getWin()); tv_lose.setText(clubInfo.getLose()); tv_pg.setText(clubInfo.getPing()); tv_jf.setText(clubInfo.getJifen()); //显示图片 bitmapUtils.display(imageView_cm,clubInfo.getClubimage().getFileUrl(context)); return convertView; } public ArrayList<ClubInfo>getClubInfos(){ return clubInfos; } public void setClubInfos(ArrayList<ClubInfo> clubInfos) { this.clubInfos = clubInfos; } }