告别手写parcelable

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在eclipse中

  • 推荐parcelable code generator

用法

  1. 下载该开源项目
  2. 导入到IDE
  3. 参照下载下来的实例编写json文件来描述目标类
  4. 运行该java工程
  5. 生成的目标类在output文件夹
  6. 拷贝生成的类到需要它的工程(注意:这整个使用过程没有接下来在android studio中的方法简单)

在android studio中

  • 推荐安装插件, android parcelable code generator
    这里写图片描述

用法

  • 书写自己的目标类
public class DemoParcelable {    String aString;    int aInt;    double aDouble;    HashMap<String, String> aHashMap;    ArrayList<String> aArrayList;    DemoAnotherClass anotherClass;    class DemoAnotherClass{        ConcurrentHashMap<String, String> aConcurrentHashMap;    }}
  • 在类名处alt + insert,在弹出界面选择Parcelable,最后生成的代码如下
public class DemoParcelable implements Parcelable {    public static final Parcelable.Creator<DemoParcelable> CREATOR = new Parcelable.Creator<DemoParcelable>() {        public DemoParcelable createFromParcel(Parcel source) {            return new DemoParcelable(source);        }        public DemoParcelable[] newArray(int size) {            return new DemoParcelable[size];        }    };    String aString;    int aInt;    double aDouble;    HashMap<String, String> aHashMap;    ArrayList<String> aArrayList;    DemoAnotherClass anotherClass;    public DemoParcelable() {    }    protected DemoParcelable(Parcel in) {        this.aString = in.readString();        this.aInt = in.readInt();        this.aDouble = in.readDouble();        this.aHashMap = (HashMap<String, String>) in.readSerializable();        this.aArrayList = in.createStringArrayList();        this.anotherClass = in.readParcelable(DemoAnotherClass.class.getClassLoader());    }    @Override    public int describeContents() {        return 0;    }    @Override    public void writeToParcel(Parcel dest, int flags) {        dest.writeString(this.aString);        dest.writeInt(this.aInt);        dest.writeDouble(this.aDouble);        dest.writeSerializable(this.aHashMap);        dest.writeStringList(this.aArrayList);        dest.writeParcelable(this.anotherClass, flags);    }    static class DemoAnotherClass implements Parcelable {        public static final Creator<DemoAnotherClass> CREATOR = new Creator<DemoAnotherClass>() {            public DemoAnotherClass createFromParcel(Parcel source) {                return new DemoAnotherClass(source);            }            public DemoAnotherClass[] newArray(int size) {                return new DemoAnotherClass[size];            }        };        ConcurrentHashMap<String, String> aConcurrentHashMap;        public DemoAnotherClass() {        }        protected DemoAnotherClass(Parcel in) {            this.aConcurrentHashMap = (ConcurrentHashMap<String, String>) in.readSerializable();        }        @Override        public int describeContents() {            return 0;        }        @Override        public void writeToParcel(Parcel dest, int flags) {            dest.writeSerializable(this.aConcurrentHashMap);        }    }}
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