How to create XML in Android

This article mainly introduces "how to create XML in Android". In daily operation, I believe many people have doubts about how to create XML in Android. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts about "how to create XML in Android". Next, please follow the editor to study!

Using the pull parser to write XML

Private String writeXml (List messages) {XmlSerializer serializer = Xml.newSerializer (); StringWriter writer = new StringWriter (); try {serializer.setOutput (writer); serializer.startDocument ("UTF-8", true); serializer.startTag ("," messages "); serializer.attribute (", "number", String.valueOf (messages.size ()); for (Message msg: messages) {serializer.startTag ("", "message"); serializer.attribute ("," date ", msg.getDate ()) Serializer.startTag ("," title "); serializer.text (msg.getTitle ()); serializer.endTag (", "title"); serializer.startTag ("," url "); serializer.text (msg.getLink (). ToExternalForm ()); serializer.endTag (", "url"); serializer.startTag ("," body "); serializer.text (msg.getDescription ()); serializer.endTag (", "body"); serializer.endTag ("," message ") } serializer.endTag ("," messages "); serializer.endDocument (); return writer.toString ();} catch (Exception e) {throw new RuntimeException (e);}}

The XmlSerializer class is part of the XmlPullParser package used in the previous section. Instead of extracting events, it pushes them into the data flow or writing programs. In this case, it simply pushes the event to a java.io.StringWriter instance. It provides an intuitive API for starting and ending documents, working with elements, and adding text or attributes in a variety of ways. This is an excellent alternative to StringBuilder because it makes it easier to ensure that your XML is well structured.

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