模型类中 Parcelable 接口使用

 package com.exmyth.ui.model;

 import java.util.ArrayList;
 import java.util.List;

 public class ProductItem{
     //-------------------------以下字段在扫描中需要额外用到-------------------------
     protected String productId = "";    //产品id,扫描标签时候会返回该字段
     protected String brandName = "";
     //-------------------------以上字段在扫描中需要额外用到-------------------------

     protected String productName = "";
     protected String standard = "";
     protected String featureDesc = "";
     protected String[] productUrls;
     protected List<Entry> params = new ArrayList<Entry>();

     public ProductItem() {
         super();
     }

     public String getProductId() {
         return productId;
     }
     public void setProductId(String productId) {
         this.productId = productId;
     }
     public String getBrandName() {
         return brandName;
     }
     public void setBrandName(String brandName) {
         this.brandName = brandName;
     }

     public String getProductName() {
         return productName;
     }

     public void setProductName(String productName) {
         this.productName = productName;
     }

     public String getStandard() {
         return standard;
     }

     public void setStandard(String standard) {
         this.standard = standard;
     }

     public String getFeatureDesc() {
         return featureDesc;
     }

     public void setFeatureDesc(String featureDesc) {
         this.featureDesc = featureDesc;
     }

     public String[] getProductUrls() {
         return productUrls;
     }

     public void setProductUrls(String[] productUrls) {
         this.productUrls = productUrls;
     }

     public List<Entry> getParams() {
         return params;
     }

     public void setParams(List<Entry> params) {
         this.params = params;
     }
 }

 package com.exmyth.ui.model;

 import java.util.ArrayList;
 import java.util.List;

 import android.os.Parcel;
 import android.os.Parcelable;

 public class GoodsItem extends ProductItem implements Parcelable{
     private String bindId;
     private String produceDate = "";

     public GoodsItem() {
         super();
     }

     public String getBindId() {
         return bindId;
     }

     public void setBindId(String bindId) {
         this.bindId = bindId;
     }

     public String getProduceDate() {
         return produceDate;
     }

     public void setProduceDate(String produceDate) {
         this.produceDate = produceDate;
     }

     @Override
     public int describeContents() {
         // TODO Auto-generated method stub
         return 0;
     }

     @Override
     public void writeToParcel(Parcel dest, int flags) {
         // TODO Auto-generated method stub
         dest.writeString(bindId);
         dest.writeString(productId);
         dest.writeString(standard);
         dest.writeString(productName);
         dest.writeString(featureDesc);
         dest.writeString(brandName);
         dest.writeString(produceDate);

         if(null == productUrls){
             dest.writeInt(0);
         }else{
             dest.writeInt(productUrls.length);
             dest.writeStringArray(productUrls);
         }
         if(null == params || 0 == params.size()){
             dest.writeInt(0);
         }
         else{
             dest.writeInt(params.size());
 //            dest.writeList(params);
             dest.writeTypedList(params);
         }
     }

     public static final Parcelable.Creator<GoodsItem> CREATOR = new Creator<GoodsItem>() {

         @Override
         public GoodsItem createFromParcel(Parcel source) {
             GoodsItem goodsItem = new GoodsItem();
             goodsItem.bindId = source.readString();
             goodsItem.productId = source.readString();
             goodsItem.standard = source.readString();
             goodsItem.productName = source.readString();
             goodsItem.featureDesc = source.readString();
             goodsItem.brandName = source.readString();
             goodsItem.produceDate = source.readString();

             int length = source.readInt();
             String[] productUrls = new String[length];
             if(length > 0){
                 source.readStringArray(productUrls);
             }
             goodsItem.productUrls = productUrls;

             int size = source.readInt();
             List<Entry> params = new ArrayList<Entry>(size);
             if(size > 0){
 //                source.readList(params, GoodsItem.class.getClassLoader());
                 source.readTypedList(params, Entry.CREATOR);
             }
             goodsItem.params = params;

             return goodsItem;
         }

         @Override
         public GoodsItem[] newArray(int size) {
             // TODO Auto-generated method stub
             return new GoodsItem[size];
         }
     };
 }

 package com.exmyth.ui.model;

 import android.os.Parcel;
 import android.os.Parcelable;

 /*
  featureDesc: 产品特色描述
  productName: 产品名称
  standard:产品规格
  type:
  name:参数名称
  value：参数值
  showOrder：显示顺序
  */
 public class Entry implements Parcelable{

     public static final String PARAM_TYPE_COMBO = "1";
     public static final String PARAM_TYPE_TEXT = "2";
     public static final String PARAM_TYPE_CONTACT = "3";
     public static final String PARAM_TYPE_HYPERLINK = "4";
     private String type; // 参数类型 1-下拉 2-文本 3-联系电话 4-链接地址
     private String name = ""; // 参数名称
     private String[] value; // 参数值
     private String showOrder = "0"; // 显示顺序
 //    public ViewType viewType = ViewType.TEXT; // 控件类型
     private int index = 0; // 文本,电话,链接地址的类型为0;控件类型为combo的,默认第一项
     private boolean isShow = false;

 //    public enum ViewType {
 //        COMBO("1"), TEXT("2"), CONTACT("3"), HYPERLINK("4");
 //
 //        String value;
 //
 //        private ViewType(String value) {
 //            this.value = value;
 //        }
 //    }

     public Entry() {
         super();
     }

     public Entry(String type, String name, String[] value, String showOrder) {
         this(type, name, value, showOrder, 0);
     }

     public Entry(String type, String name, String[] value, String showOrder,
             int index) {
         super();
         this.type = type;
         this.name = name;
         this.value = value;
         this.showOrder = showOrder;
         this.index = index;
     }

     public String getType() {
         return type;
     }

     public void setType(String type) {
         this.type = type;
     }

     public String getName() {
         return name;
     }

     public void setName(String name) {
         this.name = name;
     }

     public String[] getValue() {
         return value;
     }

     public void setValue(String[] value) {
         this.value = value;
     }

     public String getShowOrder() {
         return showOrder;
     }

     public void setShowOrder(String showOrder) {
         this.showOrder = showOrder;
     }

     public int getIndex() {
         return index;
     }

     public void setIndex(int index) {
         this.index = index;
     }

     public boolean isShow() {
         return isShow;
     }

     public void setShow(boolean isShow) {
         this.isShow = isShow;
     }

     @Override
     public String toString() {
         return "Entry [type=" + type + ", name=" + name + ", value="
                 + (null == value ? "" : value[index]) + ", index=" + index + "]";
     }

     @Override
     public int describeContents() {
         // TODO Auto-generated method stub
         return 0;
     }

     @Override
     public void writeToParcel(Parcel dest, int flags) {
         dest.writeString(type);
         dest.writeString(name);

         if(null == value){
             dest.writeInt(0);
         }else{
             dest.writeInt(value.length);
             dest.writeStringArray(value);
         }

         dest.writeString(showOrder);
         dest.writeInt(index);
     }

     public static final Parcelable.Creator<Entry> CREATOR = new Creator<Entry>() {
         @Override
         public Entry[] newArray(int size) {
             return new Entry[size];
         }     

         //将Parcel对象反序列化为UserInfo
         @Override
         public Entry createFromParcel(Parcel source) {
             Entry entry = new Entry();
             entry.type = source.readString();
             entry.name = source.readString();

             int length = source.readInt();
             String[] value = new String[length];
             if(length > 0){
                 source.readStringArray(value);
             }
             entry.value = value;

             entry.showOrder = source.readString();
             entry.index = source.readInt();
             return entry;
         }
     };
 }