An helper method for creating byte url from a string url, then we can copy the result from the console to the actual code

ByteUrlGenerator.java

/**
 * An helper method for creating byte url from a string url, 
 * then we can copy the result from the console to the actual code.
 * This is useful for fighting against reverse engineering in java/android apps. 
 * Can be combined with other methods to make your apps more secure.
 * Just keep in mind that there is no ways to win against a determined hacker,
 * so do all of critical processes in server
 */
public final class ByteUrlGenerator {

	public static void main(String[] args) {
	    System.out.println(byteUrlGenerator("https://hendrawd.github.io"));
	}

	public static String byteUrlGenerator(String originalUrl) {
	    if (originalUrl == null || originalUrl.equals("")) {
	        return "";
	    }
	    byte[] bytesFromOriginalString = originalUrl.getBytes();
	    StringBuilder stringBuilder = new StringBuilder("{");
	    for (byte urlByte : bytesFromOriginalString) {
	        stringBuilder.append(urlByte);
	        stringBuilder.append(", ");
	    }
	    stringBuilder.delete(stringBuilder.length() - 2, stringBuilder.length());
	    stringBuilder.append("};");
	    return stringBuilder.toString();
	}

}