Android中Parcelable的使用详解

package com.status.mattest;
import android.os.Parcel;
import android.os.Parcelable;
public class Book implements Parcelable {
  private String name;
  private int id;
  private String classify;
  protected Book(Parcel in) {
    name = in.readString();
    classify = in.readString();
    id = in.readInt();
  }
  public Book(String classify, String name, int id) {
    this.name = name;
    this.id = id;
    this.classify = classify;
  }
  /**
   * 反序列化
   */
  public static final Creator<Book> CREATOR = new Creator<Book>() {
    @Override
    public Book createFromParcel(Parcel in) {
      return new Book(in);
    }
    @Override
    public Book[] newArray(int size) {
      return new Book[size];
    }
  };
  @Override
  public int describeContents() {
    return 0;
  }
  /**
   * 序列化过程
   *
   * @param dest
   * @param flags
   */
  @Override
  public void writeToParcel(Parcel dest, int flags) {
    dest.writeString(name);
    dest.writeString(classify);
    dest.writeInt(id);
  }
  @Override
  public String toString() {
    return "name : " +
        name + "\"" + "id : " + id + "\"" + "classify" + classify;
  }
}

textView.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
     Intent intent = new Intent(MainActivity.this, Test1Activity.class);
     intent.putExtra("key", new Book("哈", "鸿", 8));
     startActivity(intent);
   }
 });

 Intent intent = getIntent();
 Book book = intent.getParcelableExtra("key");
 Log.d("Test1Activity", book.toString());