读取APK包中配置文件 AndroidManifest.xml 中的版本信息

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

import net.sf.json.JSONObject;

import org.apkinfo.api.util.AXMLPrinter2;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class ApkUtil {
	
	public JSONObject getApkInfo(String path) throws Exception {
		JSONObject json = new JSONObject();
		ZipFile zip = null;
		InputStream inputStream = null;
		try {
			zip = new ZipFile(path);
			ZipEntry entry = zip.getEntry("AndroidManifest.xml");
			inputStream = zip.getInputStream(entry);
			String context = AXMLPrinter2.parse(inputStream);
			SAXReader reader = new SAXReader();
			ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(context.getBytes("UTF-8"));
			Document doc = reader.read(byteArrayInputStream);
			Element rootElement = doc.getRootElement();
			json.put("versionCode", rootElement.attributeValue("versionCode"));
			json.put("versionName", rootElement.attributeValue("versionName"));
		} catch (Exception e) {
			e.printStackTrace();
		}finally{
			if(zip != null){
				zip.close();
			}
			if(inputStream != null){
				inputStream.close();
			}
		}
		return json;
	}

}