Android ListView で区切り行をつくる

Q. ListView の 区切り行 * はどうやってつくるんですか？

A. isEnabled を Override して、 getView で 区切り行のときと、そうでないときで返す View を変えます

* 区切り行とは、Android Market アプリの 緑の区切りのようなやつのことです。ListView の1行ですが、タップしても反応しません。

view plainprint?

1. public class ExtendsArrayAdapterSample2 extends ListActivity {  
2.   
3.     public void onCreate(Bundle savedInstanceState) {  
4.         super.onCreate(savedInstanceState);  
5.   
6.         List<bindData> data = new ArrayList<bindData>();  
7.         data.add(new bindData("Clock", R.drawable.alermclock));  
8.         data.add(new bindData("-", 0));  
9.         data.add(new bindData("Camera", R.drawable.camera));  
10.         data.add(new bindData("-", 0));  
11.         data.add(new bindData("Book", R.drawable.bookopen));  
12.         data.add(new bindData("-", 0));  
13.         data.add(new bindData("Calculator", R.drawable.calculator));  
14.         data.add(new bindData("-", 0));  
15.   
16.         MyAdapter adapter = new MyAdapter(this, R.layout.list_item5, data);  
17.         setListAdapter(adapter);  
18.     }  
19.   
20.     class bindData {  
21.         String text;  
22.         int imageResourceId;  
23.   
24.         public bindData(String text, int imageResourceId) {  
25.             this.text = text;  
26.             this.imageResourceId = imageResourceId;  
27.         }  
28.     }  
29.   
30.     static class ViewHolder {  
31.         TextView textView;  
32.         ImageView imageView;  
33.     }  
34.   
35.     public class MyAdapter extends ArrayAdapter<bindData> {  
36.         private LayoutInflater inflater;  
37.         private int layoutId;  
38.   
39.         public MyAdapter(Context context, int layoutId, List<bindData> objects) {  
40.             super(context, 0, objects);  
41.             this.inflater = (LayoutInflater) context  
42.                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);  
43.             this.layoutId = layoutId;  
44.         }  
45.   
46.         @Override  
47.         public View getView(int position, View convertView, ViewGroup parent) {  
48.             ViewHolder holder;  
49.   
50.             if (convertView == null) {  
51.                 convertView = inflater.inflate(layoutId, parent, false);  
52.                 holder = new ViewHolder();  
53.                 holder.textView = (TextView) convertView  
54.                                         .findViewById(R.id.textview);  
55.                 holder.imageView = (ImageView) convertView  
56.                                         .findViewById(R.id.imageview);  
57.                 convertView.setTag(holder);  
58.             } else {  
59.                 holder = (ViewHolder) convertView.getTag();  
60.             }  
61.      
62.             if(!isEnabled(position))  
63.                 convertView.setBackgroundColor(Color.BLACK);  
64.             else {  
65.                 bindData data = getItem(position);  
66.                 holder.textView.setText(data.text);  
67.                 holder.imageView.setImageResource(data.imageResourceId);      
68.             }  
69.   
70.             return convertView;  
71.         }  
72.     
73.         @Override  
74.         public boolean isEnabled(int position) {  
75.             return !(getItem(position).text.startsWith("-"));  
76.         }  
77.     }  
78. }  

public class ExtendsArrayAdapterSample2 extends ListActivity {

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        List<bindData> data = new ArrayList<bindData>();
        data.add(new bindData("Clock", R.drawable.alermclock));
        data.add(new bindData("-", 0));
        data.add(new bindData("Camera", R.drawable.camera));
        data.add(new bindData("-", 0));
        data.add(new bindData("Book", R.drawable.bookopen));
        data.add(new bindData("-", 0));
        data.add(new bindData("Calculator", R.drawable.calculator));
        data.add(new bindData("-", 0));

        MyAdapter adapter = new MyAdapter(this, R.layout.list_item5, data);
        setListAdapter(adapter);
    }

    class bindData {
        String text;
        int imageResourceId;

        public bindData(String text, int imageResourceId) {
            this.text = text;
            this.imageResourceId = imageResourceId;
        }
    }

    static class ViewHolder {
        TextView textView;
        ImageView imageView;
    }

    public class MyAdapter extends ArrayAdapter<bindData> {
        private LayoutInflater inflater;
        private int layoutId;

        public MyAdapter(Context context, int layoutId, List<bindData> objects) {
            super(context, 0, objects);
            this.inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            this.layoutId = layoutId;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            ViewHolder holder;

            if (convertView == null) {
                convertView = inflater.inflate(layoutId, parent, false);
                holder = new ViewHolder();
                holder.textView = (TextView) convertView
                                        .findViewById(R.id.textview);
                holder.imageView = (ImageView) convertView
                                        .findViewById(R.id.imageview);
                convertView.setTag(holder);
            } else {
                holder = (ViewHolder) convertView.getTag();
            }
   
            if(!isEnabled(position))
                convertView.setBackgroundColor(Color.BLACK);
            else {
                bindData data = getItem(position);
                holder.textView.setText(data.text);
                holder.imageView.setImageResource(data.imageResourceId);    
            }

            return convertView;
        }
  
        @Override
        public boolean isEnabled(int position) {
            return !(getItem(position).text.startsWith("-"));
        }
    }
}