假设对象为People类，包含信息姓名和年龄：
publicclass People{
publicString strName;
publicint iAge;
publicPeople(String strName,intiAge){
this.strName = strName;
this.iAge = iAge;
}
publicString getName(){
returnstrName;
}
publicint getAge(){
returniAge;
}
}
方法一：Serializable
必须条件：类实现了Serializable接口
publicclass People implementsSerializable{
privatestatic final long serialVersionUID = 1L;
publicString strName;
publicint iAge;
publicPeople(String strName,intiAge){
this.strName = strName;
this.iAge = iAge;
}
publicString getName(){
returnstrName;
}
publicint getAge(){
returniAge;
}
}
传递对象：
传递端：
People people = newPeople("John",21);
Intent intent = newIntent(SendActivity.this,RcvActivity.class);
Bundle bundle = newBundle();
bundle.putSerializable("people", people);
intent.putExtras(bundle);
startActivity(intent);
接收端：
People people = (People) this.getIntent().getSerializableExtra("people");
String strData = people.getName() + " " + people.getAge();
Toast.makeText(getApplication(),strData, Toast.LENGTH_SHORT).show();
传递对象数组：
传递端：
List people = newArrayList();
people.add(newPeople("John",21));
people.add(newPeople("Amy",20));
Bundle bundle = newBundle();
bundle.putSerializable("people", (Serializable) people);
Intent intent = newIntent(SendActivity.this, RcvActivity.class);
intent.putExtras(bundle);
startActivity(intent);
接收端：
List resultList = (List) this.getIntent().getSerializableExtra("people");
String strData = "";
for(People p : resultList) {
strData = strData + p.strName + " " + p.iAge + "\n";
}
Toast.makeText(getApplication(), strData, Toast.LENGTH_SHORT).show();
方法二：Parcelable
必须条件：类实现了Parcelable接口
publicclass People implementsParcelable {
publicString strName;
publicint iAge;
publicPeople(String strName,intiAge){
this.strName = strName;
this.iAge = iAge;
}
publicString getName(){
returnstrName;
}
publicint getAge(){
returniAge;
}
publicint describeContents() {
// TODO Auto-generated method stub
return0;
}
publicvoid writeToParcel(Parcel parcel, intarg1) {
// TODO Auto-generated method stub
parcel.writeString(strName);
parcel.writeInt(iAge);
}
publicstatic final Parcelable.Creator CREATOR = newCreator() {
publicPeople createFromParcel(Parcel source) {
People pTemp = newPeople("",0);
pTemp.strName = source.readString();
pTemp.iAge = source.readInt();
returnpTemp;
}
publicPeople[] newArray(intsize) {
returnnew People[size];
}
};
}
传递对象：
传递端：
People people = newPeople("John",21);
Intent intent = newIntent(SendActivity.this,RcvActivity.class);
Bundle bundle = newBundle();
bundle.putParcelable("people", people);
intent.putExtras(bundle);
startActivity(intent);
接收端：
People people = (People) this.getIntent().getParcelableExtra("people");
String strData = people.getName() + " " + people.getAge();
Toast.makeText(getApplication(),strData, Toast.LENGTH_SHORT).show();
传递对象数组：
传递端：
List People = newArrayList();
People.add(newPeople("John",21));
People.add(newPeople("Amy",20));
Intent intent = newIntent(SendActivity.this,RcvActivity.class);
Bundle bundle = newBundle();
bundle.putParcelableArrayList("People", (ArrayList) People);
intent.putExtras(bundle);
startActivity(intent);
接收端：
List resultList = this.getIntent().getExtras()
.getParcelableArrayList("People");
String strData = "";
for(People p : resultList) {
strData = strData + p.strName + " " + p.iAge + "\n";
}
Toast.makeText(getApplication(), strData, Toast.LENGTH_SHORT).show();
可以发现在Parcelable中需实现public int describeContents()、 publicvoid writeToParcel(Parcel parcel, int arg1)，还需要在添加一个静态成员变量CREATOR：public static final Parcelable.Creator CREATOR。
区别：
1.Serializable的实现，只需要implements Serializable即可。这只是给对象打了一个标记，系统会自动将其序列化。
2.Parcelabel的实现，不仅需要implements Parcelabel，还需要在类中添加一个静态成员变量CREATOR，这个变量需要实现 Parcelable.Creator 接口。
3.在使用内存的时候，Parcelable 类比Serializable性能高，所以推荐使用Parcelable类。4.Serializable在序列化的时候会产生大量的临时变量，从而引起频繁的GC。
5.Parcelable不能使用在要将数据存储在磁盘上的情况，因为在外界有变化的情况下Parcelable不能很好的保证数据的持续性。
