AES and Blowfish file encryption for Android

CryptoUtilsTest.java

import android.os.Environment;
import org.junit.Test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.NoSuchAlgorithmException;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

public class CryptoUtilsTest {


    private static void doCryptoInAES(int cipherMode, String key, File inputFile,
                                 File outputFile) throws CryptoException {
        try {
            Key secretKey = new SecretKeySpec(key.getBytes(), "AES");
            Cipher cipher = Cipher.getInstance("AES");
            cipher.init(cipherMode, secretKey);

            FileInputStream inputStream = new FileInputStream(inputFile);
            byte[] inputBytes = new byte[(int) inputFile.length()];
            inputStream.read(inputBytes);

            byte[] outputBytes = cipher.doFinal(inputBytes);

            FileOutputStream outputStream = new FileOutputStream(outputFile);
            outputStream.write(outputBytes);

            inputStream.close();
            outputStream.close();

        } catch (NoSuchPaddingException | NoSuchAlgorithmException
                | InvalidKeyException | BadPaddingException
                | IllegalBlockSizeException | IOException ex) {
            throw new CryptoException("Error encrypting/decrypting file", ex);
        }
    }

    private static void doCryptoInBlowFish(int cipherMode,String KEY,File inputFile,File outputFile) throws CryptoException{
        String ALGORITHM = "Blowfish";
        String MODE = "Blowfish/CBC/PKCS5Padding";
        String IV = "!a3edr45";

        try {
            Key secretKey = new SecretKeySpec(KEY.getBytes(), ALGORITHM);
            Cipher cipher = Cipher.getInstance(MODE);
            cipher.init(cipherMode, secretKey, new IvParameterSpec(IV.getBytes()));

            FileInputStream inputStream = new FileInputStream(inputFile);
            byte[] inputBytes = new byte[(int) inputFile.length()];
            inputStream.read(inputBytes);

            byte[] outputBytes = cipher.doFinal(inputBytes);

            FileOutputStream outputStream = new FileOutputStream(outputFile);
            outputStream.write(outputBytes);

            inputStream.close();
            outputStream.close();

        } catch (NoSuchPaddingException | NoSuchAlgorithmException
                | InvalidKeyException | BadPaddingException
                | IllegalBlockSizeException | IOException ex) {
            ex.fillInStackTrace();
        } catch (InvalidAlgorithmParameterException e) {
            e.printStackTrace();
        }
    }
    @Test
    public void encryptFileinAES() throws CryptoException {
        final File saveFile = new File(Environment.getExternalStorageDirectory(), "intruder.jpg");
        doCryptoInAES(Cipher.ENCRYPT_MODE,"ak$#54%^RtF%g^Hf",saveFile,saveFile);
        doCryptoInAES(Cipher.DECRYPT_MODE,"ak$#54%^RtF%g^Hf",saveFile,saveFile);
    }
    @Test
    public void encryptFileinBlowfish() throws CryptoException {
        final File saveFile = new File(Environment.getExternalStorageDirectory(), "intruder.jpg");
        doCryptoInBlowFish(Cipher.ENCRYPT_MODE,"SAMPLEKEY",saveFile,saveFile);
        doCryptoInBlowFish(Cipher.DECRYPT_MODE,"SAMPLEKEY",saveFile,saveFile);
    }
}

CryptoException is just a custom exception class

public class CryptoException extends Exception {

    public CryptoException() {
    }

    public CryptoException(String message, Throwable throwable) {
        super(message, throwable);
    }
}