Android 通过Intent使用Bundle传递对象详细介绍

/** 
 * PersonSer 
 * 
 * @author http://blog.csdn.net/zuolongsnail 
 */ 
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; 
 } 
 
} 

/** 
 * PersonPar 
 * 
 * @author http://blog.csdn.net/zuolongsnail 
 */ 
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; 
 } 
 
 /** 
  * 将实体类数据写入Parcel 
  */ 
 @Override 
 public void writeToParcel(Parcel parcel, int flags) { 
  parcel.writeString(name); 
  parcel.writeInt(age); 
 } 
 
} 

Intent intent = new Intent(MainActivity.this, DestActivity.class); 
Bundle bundle = new Bundle(); 
switch (v.getId()) { 
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; 
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; 
} 

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"); 
}