Code to check is Device rooted or not,Android.

write these two lines inside onCreate() method:

boolean isRooted=isRooted();

        System.out.println("---------isRooted----------"+isRooted);

------------------and use below methods

/**

     * Checks if the device is rooted.

     *

     * @return <code>true</code> if the device is rooted, <code>false</code> otherwise.

     */

    public static boolean isRooted() {

      // get from build info

      String buildTags = android.os.Build.TAGS;

      if (buildTags != null && buildTags.contains("test-keys")) {

        return true;

      }

      // check if /system/app/Superuser.apk is present

      try {

        File file = new File("/system/app/Superuser.apk");

        if (file.exists()) {

          return true;

        }

      } catch (Exception e1) {

        // ignore

      }

      // try executing commands

      return canExecuteCommand("/system/xbin/which su")

          || canExecuteCommand("/system/bin/which su") || canExecuteCommand("which su");

    }

    // executes a command on the system

    private static boolean canExecuteCommand(String command) {

      boolean executedSuccesfully;

      try {

        Runtime.getRuntime().exec(command);

        executedSuccesfully = true;

      } catch (Exception e) {

        executedSuccesfully = false;

      }

      return executedSuccesfully;

    }