Create an app that find Automorphic, Armstrong, Disarium Number

SecondActivity.java

package com.bca.b1.tca1901074;

import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

public class SecondActivity extends AppCompatActivity {

    EditText inputNo;
    Button submitButton;
    TextView resultText;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);

        inputNo = findViewById(R.id.inputNumber);
        submitButton = findViewById(R.id.submit_button);
        resultText = findViewById(R.id.text);

        submitButton.setOnClickListener(view -> {
            int num = Integer.parseInt(inputNo.getText().toString());

            String type = getIntent().getStringExtra("TYPE").toString();
            String msg;

            if (type.equals("AutomorphicNo"))
                msg = findAutomorphicNo(num);
            else if (type.equals("ArmstrongNo"))
                msg = findArmstrongNo(num);
            else
                msg = findDisariumNo(num);

            resultText.setText(msg);
        });
    }

    String findAutomorphicNo(int num) {
        int count = 0;

        int square = num * num;

        int temp = num;
        while (temp > 0) {
            count++;
            temp = temp / 10;
        }
        int lastDigit = (int) (square % (Math.pow(10, count)));

        if (num == lastDigit)
            return "Result: Yes";
        else
            return "Result: No";
    }

    String findArmstrongNo(int num) {
        int r, sum = 0, temp;
        temp = num;
        while (num > 0) {
            r = num % 10;
            sum = sum + (r * r * r);
            num = num / 10;
        }

        if (temp == sum)
            return "Result: Yes";
        else
            return "Result: No";
    }

    String findDisariumNo(int num) {
        int copy = num, d = 0, sum = 0;
        String s = Integer.toString(num);
        int len = s.length();

        while (copy > 0) {
            d = copy % 10;
            sum = sum + (int) Math.pow(d, len);
            len--;
            copy = copy / 10;
        }
        if (sum == num)
            return "Result: Yes";
        else
            return "Result: No";

    }


}