Base64Utils.kt

import android.util.Base64
import java.io.UnsupportedEncodingException

/**
 * @param message the message to be encoded
 *
 * @return the enooded from of the message
 */
fun toBase64(message: String): String? {
    val data: ByteArray
    try {
        data = message.toByteArray(charset("UTF-8"))
        return Base64.encodeToString(data, Base64.DEFAULT)
    } catch (e: UnsupportedEncodingException) {
        e.printStackTrace()
    }

    return null
}

/**
 * @param message the encoded message
 *
 * @return the decoded message
 */
fun fromBase64(message: String?): String? {
    val data = Base64.decode(message, Base64.DEFAULT)
    try {
        return String(data, charset("UTF-8"))
    } catch (e: UnsupportedEncodingException) {
        e.printStackTrace()
    }

    return null
}