zoukankan      html  css  js  c++  java
  • Parcelable序列化的使用,关于intent.getParcelableArrayExtra的使用

    Parcelable相较于Serializable的效率更高
    public class ChargeMode implements Parcelable{
        public String name;
        public int playway;
        public String price;
        public String validTime;
        public ChargeMode(){
            
        }
        private ChargeMode(Parcel in){
            name = in.readString();
            playway = in.readInt();
            price = in.readString();
            validTime = in.readString();
        }
        @Override
        public int describeContents() {
            return 0;
        }
        @Override
        public void writeToParcel(Parcel dest, int flags) {
            dest.writeString(name);
            dest.writeInt(playway);
            dest.writeString(price);
            dest.writeString(validTime);            
        }
        public static final Creator<ChargeMode> CREATOR = new Creator<ChargeMode>() {
            
            @Override
            public ChargeMode[] newArray(int size) {
                return new ChargeMode[size];
            }
            
            @Override
            public ChargeMode createFromParcel(Parcel source) {
                return new ChargeMode(source);
            }
        };
    }
    存入序列化的数组
    Intent intent = new Intent(MovieSynopsis.this, PaymentActivity.class); intent.putExtra(Constant.CHARGE_MODE, chargeModes);//存入ChargeMode[]
    startActivity(intent);
    取出ChargeMode[]的值时,必须先是Parcelable[],之后再转换成ChargeMode[]
    Parcelable[] mChargeModes=intent.getParcelableArrayExtra(Constant.CHARGE_MODE);

    ChargeMode chargeModes=(ChargeMode) mChargeModes[0];
  • 相关阅读:
    Quartz Cron表达式详解
    面向对象设计的SOLID原则
    JDK动态代理Demo代码,简单易懂
    <x:forEach/>遍历RSS新闻
    <x:parse/>获取RSS新闻
    fn:length()方法
    使用一个map映射出两个对象,再把两者关系对应起来
    用户注册_发邮件,激活
    ajax 的json联动
    封装ajax小工具:
  • 原文地址:https://www.cnblogs.com/lipeineng/p/5623901.html
Copyright © 2011-2022 走看看