Java解析AndroidManifest文件獲取包名入口點權限等信息

Java解析AndroidManifest文件工具類，輸入XML文件路徑得到該APK的包名、入口Activity、所有權限列表、活動列表。

函數說明：

xmlHandle()	XML解析入口方法，解析權限、活動列表
findPackage()	解析包名信息
findLaucherActivity()	解析入口Activity

通過調用xmlHandle()方法可以直接完成解析工作，全部代碼如下所示，包括測試輸出代碼：

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class AndroidManifestAnalyze {

	private String appPackage;
	private List<String> permissions = new ArrayList();
	private List<String> activities = new ArrayList();
	
	/**
	 * 解析包名
	 * @param doc
	 * @return
	 */
	public  String findPackage(Document doc){
		Node node = doc.getFirstChild();
		NamedNodeMap attrs  =node.getAttributes();
		for(int i = 0; i < attrs.getLength(); i++){
			if(attrs.item(i).getNodeName() == "package"){
				return attrs.item(i).getNodeValue();
			}
		}
		return null;
	}
	
	/**
	 * 解析入口activity
	 * @param doc
	 * @return
	 */
	public  String findLaucherActivity(Document doc){
		Node activity = null;
		String sTem = "";
		NodeList categoryList = doc.getElementsByTagName("category");
		for(int i = 0; i < categoryList.getLength(); i++){
				Node category = categoryList.item(i);
				NamedNodeMap attrs  =category.getAttributes();
				for(int j = 0; j < attrs.getLength(); j++){
					if(attrs.item(j).getNodeName() == "android:name"){
						if(attrs.item(j).getNodeValue().equals("android.intent.category.LAUNCHER")){
							activity = category.getParentNode().getParentNode();
							break;
						}
					}
				}		
		}
		if(activity != null){
			NamedNodeMap attrs  =activity.getAttributes();
			for(int j = 0; j < attrs.getLength(); j++){
				if(attrs.item(j).getNodeName() == "android:name"){
					sTem = attrs.item(j).getNodeValue();
				}
			}
		}
		return sTem;
	}
	
	/**
	 * 解析入口
	 * @param filePath
	 */
	public  void xmlHandle(String filePath){
		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
		try {
			// 創建DocumentBuilder對象
			DocumentBuilder db = dbf.newDocumentBuilder();
			
			//加載xml文件
			Document document = db.parse(filePath);
			NodeList permissionList = document.getElementsByTagName("uses-permission");
			NodeList activityAll = document.getElementsByTagName("activity");
			
			//獲取權限列表
			for (int i = 0; i < permissionList.getLength(); i++) {
				Node permission = permissionList.item(i);
				permissions.add((permission.getAttributes()).item(0).getNodeValue());
			}
			
			//獲取activity列表
			appPackage = (findPackage(document));
			for(int i = 0; i < activityAll.getLength(); i++){
				Node activity = activityAll.item(i);
				NamedNodeMap attrs  =activity.getAttributes();
				for(int j = 0; j < attrs.getLength(); j++){
					if(attrs.item(j).getNodeName() == "android:name"){
						String sTem = attrs.item(j).getNodeValue();
						if(sTem.startsWith(".")){
							sTem = appPackage+sTem;
						}
						activities.add(sTem);
					}
				}
			}	
			String s = findLaucherActivity(document);
			if(s.startsWith(".")){
				s = appPackage+s;
			}
			//移動入口類至首位
			activities.remove(s);
			activities.add(0, s);
		} catch (ParserConfigurationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();     
		} catch (SAXException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}	
	}
	public static void output(AndroidManifestAnalyze a){
		System.out.println("packageName:"+a.appPackage);
		System.out.println("permissions("+a.permissions.size()+"):");
		for(int i = 0; i < a.permissions.size(); i++){
			System.out.println(a.permissions.get(i));
		}
		
		System.out.println("activities("+a.activities.size()+"):");
		for(int i = 0; i < a.activities.size(); i++){
			System.out.println(a.activities.get(i));
		}
	}
	public static void main(String[] args){
		AndroidManifestAnalyze a = new AndroidManifestAnalyze();
		a.xmlHandle("E:\\AppREData\\csdn\\csdnRE\\AndroidManifest.xml");
		output(a);
	}
}

用CSDN移動端AndroidManifest文件的測試結果：