首先看实现功能截图，这是一个自定义Dialog,并且里面内容由GrildView 绑定数据源，实现类似单选功能。

首先自定义Dialog，绑定数据源

自定义Dialog弹出框大小方法

最主要实现的就是点击颜色切换的功能，默认GrildView的每一项都是蓝色背景，当点击时候切换成红色。这里缓存了一个view,每次点击给这个view重新赋值，改变颜色

数据源Adapter代码：

public class ZheKouAdapter extends BaseAdapter {  private Context context;  private List
     
       ZheKouList;  protected LayoutInflater mLayoutInflater;  public ZheKouAdapter(Context context, List
      
        ZheKouList) {    this.context = context;    this.ZheKouList = ZheKouList;    mLayoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);  }  @Override  public int getCount() {    // TODO Auto-generated method stub    return ZheKouList.size();  }  @Override  public Object getItem(int position) {    // TODO Auto-generated method stub    return ZheKouList.get(position);  }  @Override  public long getItemId(int position) {    // TODO Auto-generated method stub    return 0;  }  @Override  public View getView(int position, View convertView, ViewGroup parent) {    // TODO Auto-generated method stub    View view = convertView;    if (view == null) {      view = mLayoutInflater.inflate(R.layout.mul_desk_select, null);      TextView txtname = (TextView)view.findViewById(R.id.mul_deskname);      ZheKouMuBan zkmb = ZheKouList.get(position);      txtname.setText(zkmb.ZKMB_Name);      txtname.setTextColor(Color.WHITE);      txtname.setGravity(Gravity.CENTER);    }    return view;  }}