Android Intent传递对象的两种方法(Serializable,Parcelable)详细介绍

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:orientation="vertical"   android:layout_width="fill_parent"   android:layout_height="fill_parent"   > <TextView    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:text="Welcome to Mr wei's blog."   /> <Button   android:id="@+id/button1"   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:text="Serializable" /> <Button   android:id="@+id/button2"   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:text="Parcelable" /> </LinearLayout>  

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;   }    } 

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 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);   } } 

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();     }   } } 

package com.tutor.objecttran; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class ObjectTranDemo1 extends Activity {   @Override   public void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);          TextView mTextView = new TextView(this);     Person mPerson = (Person)getIntent().getSerializableExtra(ObjectTranDemo.SER_KEY);     mTextView.setText("You name is: " + mPerson.getName() + "/n"+         "You age is: " + mPerson.getAge());          setContentView(mTextView);   } } 

package com.tutor.objecttran; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class ObjectTranDemo2 extends Activity {     public void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     TextView mTextView = new TextView(this);     Book mBook = (Book)getIntent().getParcelableExtra(ObjectTranDemo.PAR_KEY);     mTextView.setText("Book name is: " + mBook.getBookName()+"/n"+              "Author is: " + mBook.getAuthor() + "/n" +              "PublishTime is: " + mBook.getPublishTime());     setContentView(mTextView);   } } 

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.tutor.objecttran"    android:versionCode="1"    android:versionName="1.0">   <application android:icon="@drawable/icon" android:label="@string/app_name">     <activity android:name=".ObjectTranDemo"          android:label="@string/app_name">       <intent-filter>         <action android:name="android.intent.action.MAIN" />         <category android:name="android.intent.category.LAUNCHER" />       </intent-filter>     </activity>     <activity android:name=".ObjectTranDemo1"></activity>     <activity android:name=".ObjectTranDemo2"></activity>   </application>   <uses-sdk android:minSdkVersion="7" /> </manifest>