【Intent传递】对象、数组 Parcelable和Serializable的区别

package com.snail.intentobject;

import java.io.Serializable;

public class PersonSer implements Serializable {

    // serialVersionUID的作用是在修改实体类后，可以正常的序列化和反序列化，在此不多说，大家可以谷歌百度下。
    private static final long serialVersionUID = -7620435178023928252L;
    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.snail.intentobject;

import android.os.Parcel;
import android.os.Parcelable;
 
public class PersonPar implements Parcelable {

    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;
    }

    // 序列化实体类
    public static final Parcelable.Creator<PersonPar> CREATOR = new Creator<PersonPar>() {
        public PersonPar createFromParcel(Parcel source) {
            PersonPar personPar = new PersonPar();
            personPar.name = source.readString();
            personPar.age = source.readInt();
            return personPar;
        }
        public PersonPar[] newArray(int size) {
            return new PersonPar[size];
        }
    };
    @Override
    public int describeContents() {
        return 0;
    }
    @Override  // 将实体类数据写入Parcel
    public void writeToParcel(Parcel parcel, int flags) {
        parcel.writeString(name);
        parcel.writeInt(age);
    }
}

    以上是两个实例化的实体类。

public class MainActivity extends Activity {

    public static final String SER_KEY = "ser_key";
    public static final String PAR_KEY = "par_key";
    public static final String SER_TYPE = "ser_type";
    public static final String PAR_TYPE = "par_type";
    public static final String LIST_KEY = "list_key";
    public static final String LIST_TYPE = "list_type";
    private ArrayList<String> m_list;

    private Button mSerBtn;
    private Button mParBtn;
    private Button list_Button;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initViews();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    private void initViews() {
        mSerBtn = (Button) findViewById(R.id.serializable_btn);
        mSerBtn.setOnClickListener(onClickListener);
        mParBtn = (Button) findViewById(R.id.parcelable_btn);
        mParBtn.setOnClickListener(onClickListener);
        list_Button = (Button) findViewById(R.id.list_button);
        list_Button.setOnClickListener(onClickListener);

        m_list = new ArrayList<String>();
        m_list.add("大明ArrayList");
        m_list.add("年龄:25岁");
        m_list.add("性别：男");
    }

    OnClickListener onClickListener = new OnClickListener() {

        @Override
        public void onClick(View v) {
            Intent intent = new Intent(MainActivity.this, DestActivity.class);
            Bundle bundle = new Bundle();
            switch (v.getId()) {
            // Serializable Object
            case R.id.serializable_btn:
                // Serializable传递对象
                PersonSer personSer = new PersonSer();
                personSer.setName("zuolong");
                personSer.setAge(26);
                bundle.putSerializable(SER_KEY, personSer);
                intent.putExtra("type", SER_TYPE);
                intent.putExtras(bundle);
                startActivity(intent);
                break;
            // Parcelable Object
            case R.id.parcelable_btn:
                // Parcelable传递对象
                PersonPar personPar = new PersonPar();
                personPar.setName("snail");
                personPar.setAge(27);
                // Bundle有putParcelableArray和putParcelableArrayList方法，也就可以传递数组和列表
                bundle.putParcelable(PAR_KEY, personPar);
                intent.putExtra("type", PAR_TYPE);
                // Intent也有putParcelableArrayListExtra方法，可以传递实现Parcelable接口的对象列表
                intent.putExtras(bundle);
                startActivity(intent);
                break;
            case R.id.list_button: // Intent传递list
                Intent list_intent = new Intent();
                list_intent.putStringArrayListExtra(LIST_KEY, m_list);
                // list_intent.putExtra("type", LIST_TYPE);
                // list_intent.putExtras(bundle);
                list_intent.setClass(MainActivity.this,
                        Dest_ArrayList_Activity.class);
                startActivity(list_intent);
                break;
            }
        }
    };

    @Override
    public boolean dispatchKeyEvent(android.view.KeyEvent event) {
        if (event.getKeyCode() == KeyEvent.KEYCODE_MENU) {
            return true;
        }
        return super.dispatchKeyEvent(event);
    };

}

  

/** Intent传递对象过来的详细信息 */
public class DestActivity extends Activity {

    private TextView mDestTestView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dest);

        initViews();
        bindData();
    }
    

    private void initViews() {
        mDestTestView = (TextView) findViewById(R.id.dest_text_view);
    }

    private void bindData() {
        StringBuffer sb = new StringBuffer();
        String type = getIntent().getStringExtra("type");
        // 根据type判断是哪种类型
        if (type.equals(MainActivity.SER_TYPE)) {
            // 获取Serializable对象
            PersonSer personSer = (PersonSer) getIntent().getSerializableExtra(
                    MainActivity.SER_KEY);
            sb.append("----From Serializable----").append("\n");
            sb.append("Name:").append(personSer.getName()).append("\n");
            sb.append("Age:").append(personSer.getAge()).append("\n");
        } else if (type.equals(MainActivity.PAR_TYPE)) {
            // 获取Parcelable对象
            PersonPar personPar = (PersonPar) getIntent().getParcelableExtra(
                    MainActivity.PAR_KEY);
            sb.append("----From Parcelable----").append("\n");
            sb.append("Name:").append(personPar.getName()).append("\n");
            sb.append("Age:").append(personPar.getAge()).append("\n");
        }  

        mDestTestView.setText(sb.toString());
    }
}

/** Intent传递list过来的详细信息 */
public class Dest_ArrayList_Activity extends Activity {

    private TextView mDestTestView;
    private Intent list_intent; 
    private ArrayList<String> m_arrayList; 

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dest);

        initViews();
    //    bindData();
        
        list_intent = getIntent(); 
        m_arrayList = list_intent.getExtras().getStringArrayList( 
                MainActivity.LIST_KEY); 
        m_arrayList.get(0); 
        mDestTestView.setText(m_arrayList.get(0) + " \n" + m_arrayList.get(1) 
                + "\n" + m_arrayList.get(2)); 
    }
    

    private void initViews() {
        mDestTestView = (TextView) findViewById(R.id.dest_text_view);
    }

/*    private void bindData() {
        StringBuffer sb = new StringBuffer();
        String type = getIntent().getStringExtra("type");
        // 根据type判断是哪种类型
        if (type.equals(MainActivity.SER_TYPE)) {
            // 获取Serializable对象
            PersonSer personSer = (PersonSer) getIntent().getSerializableExtra(
                    MainActivity.SER_KEY);
            sb.append("----From Serializable----").append("\n");
            sb.append("Name:").append(personSer.getName()).append("\n");
            sb.append("Age:").append(personSer.getAge()).append("\n");
        } else if (type.equals(MainActivity.PAR_TYPE)) {
            // 获取Parcelable对象
            PersonPar personPar = (PersonPar) getIntent().getParcelableExtra(
                    MainActivity.PAR_KEY);
            sb.append("----From Parcelable----").append("\n");
            sb.append("Name:").append(personPar.getName()).append("\n");
            sb.append("Age:").append(personPar.getAge()).append("\n");
        }  

        mDestTestView.setText(sb.toString());
    }*/
}

 完整DEMO下载地址：http://download.csdn.net/detail/androidsj/5500621

转载参考：http://trylovecatch.iteye.com/blog/1128110

              http://blog.csdn.net/djun100/article/details/9667283/