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滑块菜单视图问题

  •  1
  • Vivek Warde  · 技术社区  · 12 年前

    我已经实施了 ListView 在一个单独的项目中使用sqlite的头,如下所示:

    enter image description here

    当我实施时 onClick() 在滑块菜单的位置,它显示在滑块菜单中而不是背景中 View

    enter image description here

    onCreate() 代码段

    if(position == 3)
    {
        mAdapter = new MyCustomAdapter();
        mAdapter.addSeparatorItem(q.get(0).getA_name());
        mAdapter.addItem(q.get(0).getAS_name());
        for (int i = 1; i < 460; i++) { 
            if (!(q.get(i).getA_name().trim().equals(q.get(i-1).getA_name().trim()))) {
                mAdapter.addSeparatorItem(q.get(i).getA_name());
                c++;
            }
            mAdapter.addItem(q.get(i).getAS_name());
        }
        setListAdapter(mAdapter);
        toggleMenu(arg1);  
    }
    

    适配器类

     //Adapter Class
     private class MyCustomAdapter extends BaseAdapter {
    
            private static final int TYPE_ITEM = 0;
            private static final int TYPE_SEPARATOR = 1;
            private static final int TYPE_MAX_COUNT = TYPE_SEPARATOR + 1;
    
            private ArrayList<String> mData = new ArrayList<String>();
            private LayoutInflater mInflater;
    
            private TreeSet<Integer> mSeparatorsSet = new TreeSet<Integer>();
    
            public MyCustomAdapter() {
                mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            }
    
            public void addItem(final String item) {
                mData.add(item);
                notifyDataSetChanged();
            }
    
            public void addSeparatorItem(final String item) {
                mData.add(item);
                // save separator position
                mSeparatorsSet.add(mData.size() - 1);
                notifyDataSetChanged();
            }
    
            @Override
            public int getItemViewType(int position) {
                return mSeparatorsSet.contains(position) ? TYPE_SEPARATOR : TYPE_ITEM;
            }
    
            @Override
            public int getViewTypeCount() {
                return TYPE_MAX_COUNT;
            }
    
            public int getCount() {
                return mData.size();
            }
    
            public String getItem(int position) {
                return mData.get(position);
            }
    
            public long getItemId(int position) {
                return position;
            }
    
            public View getView(final int position, View convertView, ViewGroup parent) {
                ViewHolder holder = null;
                int type = getItemViewType(position);
                System.out.println("getView " + position + " " + convertView + " type = " + type);
                if (convertView == null) {
                    holder = new ViewHolder();
                    switch (type) {
                        case TYPE_ITEM:
                            convertView = mInflater.inflate(R.layout.activity_main1, null);
                            holder.textView = (TextView)convertView.findViewById(R.id.text);
                            holder.textView.setOnClickListener(new View.OnClickListener() {
                                @Override
                                public void onClick(View v) {
                                    AlertDialog.Builder nointernetconnection = new AlertDialog.Builder(
                                            temp);
                                    nointernetconnection
                                            .setIcon(R.drawable.ic_launcher)
                                            .setTitle(q.get(position-1).getAS_name())
                                            .setMessage(q.get(position-1).getDesc_art())
                                            .setCancelable(true)
                                            .setPositiveButton("OK",
                                                    new DialogInterface.OnClickListener() {
                                                        @Override
                                                        public void onClick(DialogInterface arg,
                                                                int arg1) {
    
                                                        }
                                                    });
                                    AlertDialog a = nointernetconnection.create();
                                    a.show();
                                }
                          });
                            break;
                        case TYPE_SEPARATOR:
                            convertView = mInflater.inflate(R.layout.activity_main2, null);
                            holder.textView = (TextView)convertView.findViewById(R.id.textSeparator);
                            break;
                    }
                    convertView.setTag(holder);
                } else {
                    holder = (ViewHolder)convertView.getTag();
                }
                holder.textView.setText(mData.get(position));
                return convertView;
            }
    
        }
    
        public static class ViewHolder {
            public TextView textView;
        }
    

    因此,MyCustomAdapter类在滑块菜单中显示列表。但该列表不应显示在滑块菜单中,而应显示在滑动菜单后面。我希望问题是清楚的。请告诉我的错误。

    1 回复  |  直到 12 年前
        1
  •  0
  •   UDB    12 年前

    您正在调用的setlistadapter方法是为滑块调用的,而不是为后台活动/片段的列表视图调用的。 做一个 ListView list = (ListView) getactivity().findViewById(R.id.yourListViewName) 或者类似的东西,然后设置列表适配器。

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