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emojione Android Usage

Client Properties

The following properties are available in the Swift/iOS version of the Emojione library:

  • emojiVersion (str) - Used only to direct CDN path. This is a 2-digit version (e.g. '3.1'). Not recommended for usage below 3.0.0.
  • emojiDownloadSize (enum) Default: 128 - Used on to direct CDN path for non-sprite PNG usage to determine the size of the emoji image downloaded. Available options are '32', '64', and '128'.
  • imagePathPNG (str) Defaults to CDN (jsdelivr) path.
  • greedyMatch (bool) Default: false - When true, matches non-fully-qualified Unicode values.
  • ascii (bool) Default true - When true, matches ASCII characters (in unicodeToImage and shortnameToImage functions).
  • riskyMatchAscii (bool) Default true - When true, matches ASCII characters not encapsulated by spaces. Can cause issues when matching (e.g. C://filepath or <button>.</button> both contain ASCII chars).

Usage Examples

Below there are some examples of how you will actually use the libraries to convert Unicode emoji characters to :shortnames: and :shortnames: to emoji images.

Client Functions

client.toShortname(string) -> String - native unicode -> shortnames

Take native unicode emoji input and translate it to their corresponding shortnames. (we recommend this for database storage)

client.shortnameToImage(string, imageSize, callback) -> SpannableStringBuilder - shortname -> images

Take input containing shortnames and translate it directly to EmojiOne images for display in a spannable string. An imageSize parameter is used to set the size the size of the emoji images within the spannable string. A callback is made when all emoji have been retrieved from the imagePathPNG CDN.

client.shortnameToUnicode(string) -> String - shortname -> native unicode emoji

Take input containing shortnames and translate it directly to Unicode Emoji (when displaying the unified input to clients).

client.unicodeToImage(string, imageSize, callback) -> SpannableStringBuilder - native unicode -> images

Take native unicode emoji input and translate it directly to EmojiOne images for display in a spannable string. An imageSize parameter is used to set the size of the emoji images within the spannable string. A callback is made when all emoji have been retrieved from the imagePathPNG CDN.

client.toImage(string, imageSize, callback) -> SpannableStringBuilder - native unicode + shortnames -> images

Take a string containing both native unicode emoji and shortnames, and translate it into EmojiOne images for display in a spannable string. An imageSize parameter is used to set the size of the emoji images within the spannable string. A callback is made when all emoji have been retrieved from the imagePathPNG CDN.