AlertDialog.Builder选择对话框

 final String[] formatSettingItems = {"ASCII","Hexadecimal", "Decimal"};

new AlertDialog.Builder(context).setTitle("Data Format")
            .setItems(formatSettingItems, new DialogInterface.OnClickListener() 
            {
                @Override
                public void onClick(DialogInterface dialog, int which)
                {    
                    MenuItem item = myMenu.findItem(MENU_FORMAT);
                    if(0 == which)
                    {                        
                        inputFormat = FORMAT_ASCII;
                        item.setTitle("Format - "+ formatSettingItems[0]);
                    }
                    else if(1 == which)
                    {
                        inputFormat = FORMAT_HEX;
                        item.setTitle("Format - "+ formatSettingItems[1]);
                    }
                    else
                    {
                        inputFormat = FORMAT_DEC;
                        item.setTitle("Format - "+ formatSettingItems[2]);                        
                    }
                }
            }).show();