Android对象序列化（二）-----Intent传递对象的两种方法(Serializable,Parcelable)

本文来自：http://blog.csdn.net/Android_Tutor/article/details/5740845

Android中Intent中如何传递对象,就我目前所知道的有两种方法，一种是Bundle.putSerializable(Key,Object);另一种是Bundle.putParcelable(Key,
Object);当然这些Object是有一定的条件的，前者是实现了Serializable接口，而后者是实现了Parcelable接口。示例如下：（注本文只摘取核心代码，相见文章开头的链接。）

（一）:新建两个类一个是Person.java实现Serializable接口，另一个Book.java实现Parcelable接口，代码分别如下:

Person.java:

[java] view plaincopy

package com.tutor.objecttran;

import java.io.Serializable;

public class Person implements Serializable {

private static final long serialVersionUID = -7060210544600464481L;

private String name;

private int age;

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getAge() {

return age;

}

public void setAge(int age) {

this.age = age;

}

}

Book.java:

[javascript] view plaincopy

package com.tutor.objecttran;

import android.os.Parcel;

import android.os.Parcelable;

public class Book implements Parcelable {

private String bookName;

private String author;

private int publishTime;

public String getBookName() {

return bookName;

}

public void setBookName(String bookName) {

this.bookName = bookName;

}

public String getAuthor() {

return author;

}

public void setAuthor(String author) {

this.author = author;

}

public int getPublishTime() {

return publishTime;

}

public void setPublishTime(int publishTime) {

this.publishTime = publishTime;

}

public static final Parcelable.Creator<Book> CREATOR = new Parcelable.Creator<Book>() {

public Book createFromParcel(Parcel source) {

Book mBook = new Book();

mBook.bookName = source.readString();

mBook.author = source.readString();

mBook.publishTime = source.readInt();

return mBook;

}

public Book[] newArray(int size) {

return new Book[size];

}

};

public int describeContents() {

return 0;

}

public void writeToParcel(Parcel parcel, int flags) {

parcel.writeString(bookName);

parcel.writeString(author);

parcel.writeInt(publishTime);

}

}

（二）:修改ObjectTranDemo.java代码如下：

ObjectTranDemo.java:

[java] view plaincopy

package com.tutor.objecttran;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class ObjectTranDemo extends Activity implements OnClickListener {

private Button sButton,pButton;

public final static String SER_KEY = "com.tutor.objecttran.ser";

public final static String PAR_KEY = "com.tutor.objecttran.par";

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

setupViews();

}

//我的一贯作风呵呵

public void setupViews(){

sButton = (Button)findViewById(R.id.button1);

pButton = (Button)findViewById(R.id.button2);

sButton.setOnClickListener(this);

pButton.setOnClickListener(this);

}

//Serializeable传递对象的方法

public void SerializeMethod(){

Person mPerson = new Person();

mPerson.setName("frankie");

mPerson.setAge(25);

Intent mIntent = new Intent(this,ObjectTranDemo1.class);

Bundle mBundle = new Bundle();

mBundle.putSerializable(SER_KEY,mPerson);

mIntent.putExtras(mBundle);

startActivity(mIntent);

}

//Pacelable传递对象方法

public void PacelableMethod(){

Book mBook = new Book();

mBook.setBookName("Android Tutor");

mBook.setAuthor("Frankie");

mBook.setPublishTime(2010);

Intent mIntent = new Intent(this,ObjectTranDemo2.class);

Bundle mBundle = new Bundle();

mBundle.putParcelable(PAR_KEY, mBook);

mIntent.putExtras(mBundle);

startActivity(mIntent);

}

//铵钮点击事件响应

public void onClick(View v) {

if(v == sButton){

SerializeMethod();

}else{

PacelableMethod();

}

}

}