Intent之间传递object的两种方法

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Intent之间传递object的两种方法：被传递的对象的类实现Parcelable接口，或者实现Serialiable接口。

http://www.anddev.org/putting_an_object_into_a_bundle-t6431.html

http://blog.csdn.net/Android_Tutor/archive/2010/07/16/5740845.aspx

Method 1

package de.padde.test;
 
import android.app.Activity;
import android.os.Bundle;
import android.os.Parcelable;
import android.os.Parcel;
 
public class Test extends Activity {
 
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        if(!savedInstanceState.isEmpty()) {
            SaveMe state = savedInstanceState.getParcelable("laststate");
        }
               
    }
    
    protected void onPause() {
        Bundle b = new Bundle();
           b.putParcelable("laststate", new SaveMe());
 
           onSaveInstanceState(b);
    }
}
 
class SaveMe implements Parcelable {
    static final int test = 1234;
    private int user;
    private String name;
    private double score;
    private SaveMeToo smt;
    
    public void writeToParcel(Parcel out, int flags) {
        out.writeInt(user);
        out.writeString(name);
        out.writeDouble(score);
        out.writeParcelable(smt, flags);
    }
 
    public static final Parcelable.Creator CREATOR = new Parcelable.Creator() {
        public SaveMe createFromParcel(Parcel in) { return new SaveMe(in); }
        public SaveMe[] newArray(int size) { return new SaveMe[size]; }
    };
    
    private SaveMe(Parcel in) {
        user = in.readInt();
        name = in.readString();
        score = in.readDouble();
        smt = in.readParcelable(getClass().getClassLoader());
    }
    
    public SaveMe() {}
 
    public int describeContents() { return 0; }
}
 
class SaveMeToo implements Parcelable {
    private int moo;
    
    public void writeToParcel(Parcel out, int flags) {
        out.writeInt(moo);
    }
    
    public static final Parcelable.Creator CREATOR = new Parcelable.Creator() {
        public SaveMeToo createFromParcel(Parcel in) { return new SaveMeToo(in); }
        public SaveMeToo[] newArray(int size) { return new SaveMeToo[size]; }
    };
    
    private SaveMeToo(Parcel in) {
        moo = in.readInt();
    }
    
    public int describeContents() { return 0; }
}
 
Parsed in 0.200 seconds,  using GeSHi 1.0.8.4

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