Android手机获取root权限并实现关机重启功能的方法

/* * 执行命令 * @param command * 1、获取root权限 "chmod 777 "+getPackageCodePath() * 2、关机 reboot -p * 3、重启 reboot */public static boolean execCmd(String command) { Process process = null; DataOutputStream os = null; try { process = Runtime.getRuntime().exec("su"); os = new DataOutputStream(process.getOutputStream()); os.writeBytes(command+"/n"); os.writeBytes("exit/n"); os.flush(); process.waitFor(); } catch (Exception e) {  return false; } finally {  try {  if (os != null) {   os.close();  }  if(process != null) {   process.destroy();  }  } catch (Exception e) {  e.printStackTrace();  } } return true;}