Android Serialization序列化

Android Serialization

目的:

为了方便测试传感器数据处理算法,Android程序的采集数据,序列化保存为文件;pc程序再通过反序列化读入对象,,在PC上测试算法。

Java 序列化:

进行对象的读写。

注意事项:

要序列化的对象的类要满足以下条件:

1.

2. serialize 和deserialize程序要保证package一致

3.serialVersionUID要一致

例程:package com.example.coolwaterld.serializedemo;import java.io.Serializable;class Person implements Serializable //Added implements Serializable{String name="";private String number="";private String address="";private static final long serialVersionUID = 1L;public String getName(){return name;}public String getNumber(){return number;}public String getAddress(){return address;}}

package com.example.coolwaterld.serializedemo;import android.app.Activity;import android.os.Bundle;import android.util.Log;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;public class MainActivity extends Activity {@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);Person person = new Person();person.setName("coolwaterld");person.setAddress("BJ");person.setNumber("123");//save the objectsaveObject(person);// Get the ObjectPerson person1 = (Person)loadSerializedObject(new File("/sdcard/person.bin"));Log.i("Name", person1.getName());}public void saveObject(Person p){try{ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(new File("/sdcard/kvmatrix.bin")));oos.writeObject(p);oos.flush();oos.close();}catch(Exception ex){Log.v("Serialize write: ", ex.getMessage());ex.printStackTrace();}}public Object loadSerializedObject(File f){try{ObjectInputStream ois = new ObjectInputStream(new FileInputStream(f));Object o = ois.readObject();return o;}catch(Exception ex){Log.v("Serialize Read: ",ex.getMessage());ex.printStackTrace();}return null;}}在AndroidManifest.xml中<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

参考:

Java –Serialization

Java 序列化的高级认识

(序列化ID的问题,静态变量序列化,父类的序列化与Transient关键字,对敏感字段加密,序列化存储规则)

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可是旅行的彼时那刻我的心情一直是好的吗?

Android Serialization序列化

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