这里假设我们已经会使用 Parcelable 序列化一个对象了~~
那么大家会发现 Parcelable 使用起来有些复杂,因为我们要自己复写 几个方法,而且当类的属性比较多的时候,我们就会难受了,又要注意不写错属性名,又要注意写对属性的类型,又要花不少的时间做重复的事情。
那么因为 Parcelable 有使用它的优势,我们又不能放弃,那该怎么办么?
Android Studio 提供给了我们 一个插件用来简化 给一个类 实现 Parcelable 接口的流程。
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现在学习下如何使用这个插件:
1、Android Studio 打开一个项目,点击左上角 File -->Settings... 进行设置
2、选择插件Plugins , 搜索Parcel,如果你没有下载过这个插件,那么搜索框下面会显示“Nothing to show.Click Browse to....”
3、那就点击蓝色字体的 Browse 吧 ,这个时候会出现如下图的界面,我们只需要在左边选中arcel然后点击右面 绿色按钮 "Install plugin" 就可以了
4、完成了上面三个步骤,就可以使用Parcelable Code Generator插件了
怎么用呢,
(1)创建一个类文件,类名是看你需求自定义写的,添加上你需要的属性
(2)快捷键 alt+insert ,会出现如下选择框,选择Parcelable 即可
然后我们就看到代码,是不是比我们手动写要快的许多
public class People implements Parcelable { private int id; private String url; private int width; private int height; private int likeCount; private String description; private int time; private int replyCount; private int floorCount; private int likeUserCount; private int age; private String name; private String school; private int type; private String sax; private int userid; @Override public int describeContents() { return 0; } @Override public void writeToParcel(Parcel dest, int flags) { dest.writeInt(this.id); dest.writeString(this.url); dest.writeInt(this.width); dest.writeInt(this.height); dest.writeInt(this.likeCount); dest.writeString(this.description); dest.writeInt(this.time); dest.writeInt(this.replyCount); dest.writeInt(this.floorCount); dest.writeInt(this.likeUserCount); dest.writeInt(this.age); dest.writeString(this.name); dest.writeString(this.school); dest.writeInt(this.type); dest.writeString(this.sax); dest.writeInt(this.userid); } public People() { } protected People(Parcel in) { this.id = in.readInt(); this.url = in.readString(); this.width = in.readInt(); this.height = in.readInt(); this.likeCount = in.readInt(); this.description = in.readString(); this.time = in.readInt(); this.replyCount = in.readInt(); this.floorCount = in.readInt(); this.likeUserCount = in.readInt(); this.age = in.readInt(); this.name = in.readString(); this.school = in.readString(); this.type = in.readInt(); this.sax = in.readString(); this.userid = in.readInt(); } public static final Parcelable.Creator<People> CREATOR = new Parcelable.Creator<People>() { public People createFromParcel(Parcel source) { return new People(source); } public People[] newArray(int size) { return new People[size]; } }; }
时间: 2024-10-28 15:51:59