本文共 3358 字,大约阅读时间需要 11 分钟。
首先,我们看一下什么是serializer,serializer就是串行化,又名序列化。它可并不只是简单的把对象保存在存储器上,它可以使我们在流中传输对象,使对象变的可以像基本数据一样传递。
最终效果图如上
现在粘贴主要代码:
main.xml
- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:orientation="vertical"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- >
- <TextView
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:id="@+id/textView"
- />
- </LinearLayout>
activity的代码
- package cn.com.xmlseriliazer;
-
- import java.io.StringWriter;
- import java.util.ArrayList;
-
- import org.xmlpull.v1.XmlPullParserFactory;
- import org.xmlpull.v1.XmlSerializer;
-
- import android.app.Activity;
- import android.os.Bundle;
- import android.widget.TextView;
-
-
-
-
-
-
-
- public class XmlSerializerActivity extends Activity {
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
-
- String result = produceXml();
- TextView textView = (TextView)this.findViewById(R.id.textView);
- textView.setText(result);
-
- }
-
-
-
-
- private String produceXml(){
-
- StringWriter stringWriter = new StringWriter();
- ArrayList<Beauty> beautyList = getData();
- try {
-
- XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
- XmlSerializer xmlSerializer = factory.newSerializer();
-
- xmlSerializer.setOutput(stringWriter);
-
-
-
-
-
- xmlSerializer.startDocument("utf-8", true);
- xmlSerializer.startTag(null, "beauties");
- for(Beauty beauty:beautyList){
-
-
-
-
-
-
-
- xmlSerializer.startTag(null, "beauty");
-
- xmlSerializer.startTag(null, "name");
- xmlSerializer.text(beauty.getName());
- xmlSerializer.endTag(null, "name");
-
- xmlSerializer.startTag(null, "age");
- xmlSerializer.text(beauty.getAge());
- xmlSerializer.endTag(null, "age");
-
- xmlSerializer.endTag(null, "beauty");
- }
- xmlSerializer.endTag(null, "beauties");
- xmlSerializer.endDocument();
- } catch (Exception e) {
- e.printStackTrace();
- }
- return stringWriter.toString();
-
- }
-
-
-
-
-
- private ArrayList<Beauty> getData(){
- ArrayList<Beauty> beautyList = new ArrayList<Beauty>();
-
- Beauty yangmi = new Beauty("杨幂", "23");
- Beauty linzhiling = new Beauty("林志玲", "28");
-
- beautyList.add(yangmi);
- beautyList.add(linzhiling);
-
- return beautyList;
- }
-
-
-
-
-
-
- private class Beauty{
- String name;
- String age ;
- public String getName() {
- return name;
- }
- public void setName(String name) {
- this.name = name;
- }
- public String getAge() {
- return age;
- }
- public void setAge(String age) {
- this.age = age;
- }
- @Override
- public String toString() {
- return "Beauty [age=" + age + ", name=" + name + "]";
- }
- public Beauty(String name, String age) {
- this.name = name;
- this.age = age;
- }
- public Beauty(){
-
- }
-
- }
-
- }
其他都为默认。
由代码我们可以看到,其实使用xmlserializer生成xml也是相当容易的。基本的步骤和解析xml差不多。这里就不多说话了。详情请看api。
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