android中對象Parcelable化

　　對象序列化找個東西我不知道怎麼用。個人認為許多需要傳遞大對象的情況都可以避免掉。比如把多個acitivyt的內容寫到一個activity中（找個好處還可以同時可以finish掉許多activity哦）。但是作為一個知識，還是寫寫了，也因為我n久沒有更新部落格了。

　　介紹的話就不準備寫了，還是代碼簡單：

　　

public class ImageEntity implements Parcelable{    String name;    String path;    String path1; // first path, default path . replace with selector    String path2; // second path, default path    int id;    boolean isSelected;        public ImageEntity(String path) {        this.name = path;        this.path = this.path1 = this.path2 = path;        this.isSelected = false;    }    public ImageEntity(String path1, String path2){        this.name = path1;        this.path1 = path1;        this.path2 = path2;    }    public ImageEntity(String name, String path1, String path2){        this.name = name;        this.path1 = path1;        this.path2 = path2;    }    public ImageEntity(String name, int id){        this.name = name;        this.path = "";        this.id = id;        this.isSelected = false;    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public String getPath() {        return path;    }    public void setPath(String path) {        this.path = path;    }    public String getPath1() {        return path1;    }    public void setPath1(String path1) {        this.path1 = path1;    }    public String getPath2() {        return path2;    }    public void setPath2(String path2) {        this.path2 = path2;    }    public int getId() {        return id;    }    public void setId(int id) {        this.id = id;    }    public boolean isSelected() {        return isSelected;    }    public void setSelected(boolean isSelected) {        this.isSelected = isSelected;    }        @Override    public int describeContents() {        // TODO Auto-generated method stub        return 0;    }    @Override    public void writeToParcel(Parcel dest, int flags) {        dest.writeString(name);        dest.writeString(path);        dest.writeInt(id);        dest.writeByte((byte) (isSelected ? 1 : 0));     //if isSelected == true, byte == 1    }    public static final Parcelable.Creator<ImageEntity> CREATOR = new Parcelable.Creator<ImageEntity>(){        @Override        public ImageEntity createFromParcel(Parcel source) {                        return new ImageEntity(source);        }        @Override        public ImageEntity[] newArray(int size) {            // TODO Auto-generated method stub            return new ImageEntity[size];        }            };    private ImageEntity(Parcel parcel){        name = parcel.readString();        path = parcel.readString();        id = parcel.readInt();        isSelected = parcel.readByte() == 1;     //isSelected == true if byte == 1    }}

　　還又一個沒完：

/** * Purpose: object that translate between activity.  it may contains image-objects and may be more * Author: Slider Xiao * Created Time: Mar 12, 2013 5:04:00 PM  * Update By: Slider Xiao, Mar 12, 2013 5:04:00 PM */public class ImagesIntent implements Parcelable{    private ArrayList<ImageEntity> imageEntities;    public ImagesIntent(){    }    public ArrayList<ImageEntity> getImageEntities() {        return imageEntities;    }    public void setImageEntities(ArrayList<ImageEntity> imageEntities) {        this.imageEntities = imageEntities;    }    @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.writeTypedList(imageEntities);    }        public static final Parcelable.Creator<ImagesIntent> CREATOR = new Parcelable.Creator<ImagesIntent>(){        @Override        public ImagesIntent createFromParcel(Parcel source) {            // TODO Auto-generated method stub            return new ImagesIntent(source);        }        @Override        public ImagesIntent[] newArray(int size) {            // TODO Auto-generated method stub            return new ImagesIntent[size];        }            };    private ImagesIntent(Parcel parcel){        imageEntities = new ArrayList<ImageEntity>();        parcel.readTypedList(imageEntities, ImageEntity.CREATOR);    }}