解析xml文件
public static void initXML(Context context) { //can't create in /data/media/0 because permission //can create in /sdcard/hotel File mSettings = new File(HOTEL_PATH_XML); if (!mSettings.exists()) { mSettings.mkdirs(); } File settings = new File(mSettings,"settings.xml"); Log.i("XmlPullParser-----settings", settings+"+1+"); if (!settings.exists()) { try { Log.i("XmlPullParser-----settings", settings+"+2+"); settings.createNewFile(); initSettings(settings); } catch (IOException e) { e.printStackTrace(); return; } return; } try { XmlPullParserFactory factory = XmlPullParserFactory.newInstance(); factory.setNamespaceAware(true); XmlPullParser xpp = factory.newPullParser(); xpp.setInput(new FileInputStream(settings), "utf-8"); int eventType = xpp.getEventType(); while (eventType != XmlPullParser.END_DOCUMENT) { Log.i("XmlPullParser-----TAG", eventType+""); if (eventType == XmlPullParser.START_TAG) { String tag = xpp.getName(); Log.i("XmlPullParser-----TAG", "tag---------"+tag+""); if (tag.equals("item")) { String id = xpp.getAttributeValue(null, "id"); String value = xpp.getAttributeValue(null, "value"); if (id.equals("server")) { sServerAddr = value; } else if (id.equals("hotel")) { sHid = value; } else if (id.equals("room")) { sRoomNum = value; } } } eventType = xpp.next(); } Log.i("XmlPullParser-----TAG", eventType+"exist the xunhuan"); } catch (XmlPullParserException e) { e.printStackTrace(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
生成XML文件
//默认是没有换行的
public static void initSettings(final File settings) { new Thread(new Runnable() { @Override public void run() { FileOutputStream fos = null; try { fos = new FileOutputStream(settings); XmlSerializer serializer = Xml.newSerializer(); serializer.setOutput(fos, "UTF-8"); serializer.startDocument("UTF-8", true); serializer.startTag(null, "config"); serializer.startTag(null, "category"); serializer.attribute(null, "name", "hot"); // server serializer.startTag(null, "item"); serializer.attribute(null, "id", "server"); serializer.attribute(null, "value", ""); serializer.endTag(null, "item"); // hid serializer.startTag(null, "item"); serializer.attribute(null, "id", "hotel"); serializer.attribute(null, "value", ""); serializer.endTag(null, "item"); // room serializer.startTag(null, "item"); serializer.attribute(null, "id", "room"); serializer.attribute(null, "value", ""); serializer.endTag(null, "item"); serializer.endTag(null, "category"); serializer.endTag(null, "config"); serializer.endDocument(); serializer.flush(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { if (fos != null) { try { fos.close(); } catch (IOException e) { e.printStackTrace(); } } } } }).start(); }
XmlPullParser 的使用
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