Android--解包、添加文件、打包、签名

package zip;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;


public class ziptest {
	    private static File apktool = null;
	  	private static File signapk = null;
	  	private static File testkey_pk8 = null;
	  	private static File testkey_x509_pem = null;
	  	private static File dirFile;// 根目录
	  public static void main(String args[]) throws IOException{   
	        Process process = null;  
	        apktool = new File(dirFile.getAbsolutePath(), "apktool.bat");
	        dirFile = new File(System.getProperty("user.dir"));
	        signapk = new File(dirFile.getAbsolutePath(), "signapk.jar");
    		testkey_pk8 = new File(dirFile.getAbsolutePath(), "testkey.pk8");
    		testkey_x509_pem = new File(dirFile.getAbsolutePath(), "testkey.x509.pem");
	        try {  
	              
	        //1----解压  
	            //apktool路径  
	            //String path = "E:\apktool\apktool.bat";  
	            //保存路径  
	            String appPath = "E:\newapk\";  	              
	        	 //process = Runtime.getRuntime().exec("cmd.exe /c"+path+" apktool d "+appPath+"lvping.apk -o"+appPath+"apk");  
	        	 process = Runtime.getRuntime().exec("cmd.exe /c"+apktool.getPath() + " d –f "+appPath+"lvping.apk -o"+appPath+"apk"); 
	            if(process.waitFor()!=0)System.out.println("解压失败！");
	            
	        	//2----添加json文件
	            String filePath ="E:\newapk\apk";            
	            File f = new File(filePath);            
	            File[] fis = f.listFiles();	            
	            for(File ff:fis) {	            	
	            	String paths = ff.getAbsolutePath();
	            	if(paths.contains("assets")) {            		
	            		String fPath = "E:\newapk\apk\assets";
	            		CreateJson(fPath);
	            	}else {
	            		String fPath =filePath+"\assets"; 
	            		File fs = new File(fPath);
	            		CreateJson(fPath);
	            		fs.mkdirs();	            		
	            	}
	            }
	                     	             	    
	            //3----打包  
	           // process = Runtime.getRuntime().exec("cmd.exe /c"+path+" b "+appPath+"apk -o"+appPath+"app.apk");  	
	            process = Runtime.getRuntime().exec("cmd.exe /c"+apktool.getPath() +" b "+appPath+"apk -o"+appPath+"app.apk");
	            if(process.waitFor()!=0)System.out.println("打包失败！");  
	             
	            //4----签名 （文件名称中不能包含空格）  
	           
	            //String cmd = "cmd.exe /c E:\apktool\signapk.jar E:\apktool\testkey.x509.pem E:\apktool\testkey.pk8 "+appPath+"app.apk"+ appPath; 
	            String cmd = "cmd.exe /c java -jar" + signapk.getPath() + " " + testkey_x509_pem.getPath() + " "
						+ testkey_pk8.getPath() + " " +appPath+"app.apk "  + appPath+ "appt.apk";
	           
	            process = Runtime.getRuntime().exec(cmd);  
	            System.out.println("111213");
	            if(process.waitFor()!=0) {
	            	System.out.println("签名失败。。。");  
	            }
	        }catch (Exception e)  
	        {  
	            e.printStackTrace();  
	        }finally{  
	           /* br.close();  
	            osw.close();*/  
	        }  
	    }
	  public static void CreateJson(String fPath/*,String json*/) {
		// 标记文件生成是否成功
          boolean flag = true;
          // 拼接文件完整路径
          String fullPath =fPath+ File.separator + "config.json";
          // 生成json格式文件
          try {
              // 保证创建一个新文件
              File file = new File(fullPath);
              if (!file.getParentFile().exists()) { // 如果父目录不存在，创建父目录
                  file.getParentFile().mkdirs();
              }
              if (file.exists()) { // 如果已存在,删除旧文件
                  file.delete();
              }
              file.createNewFile();
              // 格式化json字符串	             
              // 将格式化后的字符串写入文件
              Writer write = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
              write.write("{\"user\":\"test1\",\"direction\":\"3.24\"}");
              write.flush();
              write.close();
          } catch (Exception e) {
              flag = false;
              e.printStackTrace();
          }
	  }

}
package zip;

import java.io.File;
import java.