Android(安卓)开发中使用Intent传递数据的方法

Activity之间通过Intent传递值，支持基本数据类型和String对象及它们的数组对象byte、byte[]、char、char[]、boolean、boolean[]、short、short[]、int、int[]、long、long[]、float、float[]、double、double[]、String、String[]，还有采用实现Serializable、Parcelable接口的类对象传递数据的两种方法：一种是Bundle.putSerializable(Key,Object);另一种是Bundle.putParcelable(Key, Object)

例如：

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);      }  }

实现Serializable接口：

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;      }        }

这样在Activity中就可编写传递数据代码：

    Intent mIntent = new Intent(this, 地址Activity.class);      Bundle mBundle = new Bundle();      //采用parcelable传输数据    mBundle.putParcelable("data", mBook);      //采用serializable传输数据    mBundle.putSerializable("data", items);    mIntent.putExtras(mBundle);                startActivity(mIntent);

接受数据可以采用：

Intent intent = getIntent();ArrayList<Map<String, String>> items = (ArrayList<Map<String, String>>)intent.getExtras().get("data");

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