Last active
September 26, 2017 14:57
-
-
Save akhy/e97709611af4331ef429 to your computer and use it in GitHub Desktop.
Android Kotlin Helpers
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// requires StringHelpers | |
enum class GravatarDefault(val str: String) { | |
ERROR_404 ("404"), | |
MYSTERY ("mm"), | |
IDENTICON ("identicon"), | |
MONSTER ("monsterid"), | |
WAVATAR ("wavatar"), | |
RETRO ("retro"), | |
BLANK ("blank"), | |
} | |
fun gravatarUrl(email: String, | |
size: Int = 80, | |
default: GravatarDefault = GravatarDefault.MYSTERY, | |
secure: Boolean = false): String { | |
val hash = email.trim().toLowerCase().md5() | |
val protocol = if (secure) "https" else "http" | |
return "$protocol://www.gravatar.com/avatar/$hash?s=$size&d=${default.str}" | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
@Throws(Exception::class) | |
fun String.md5(): String { | |
val md = MessageDigest.getInstance("MD5") | |
md.update(this.toByteArray()) | |
val byteData = md.digest() | |
val hexString = StringBuffer() | |
for (i in byteData.indices) { | |
val hex = Integer.toHexString(255 and byteData[i].toInt()) | |
if (hex.length == 1) hexString.append('0') | |
hexString.append(hex) | |
} | |
return hexString.toString() | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment