Therefore, in all my Mongolian apps I use a rendering class to convert Unicode text to the appropriate PUA glyph based on the context. Since not all text received from users or the outside world is in unicode, your application may have to convert from non-unicode to unicode. The fontface is not stored like a character. This chart provides a list of the Unicode emoji characters and sequences, with images from different vendors, CLDR name, date, source, and keywords. This tool generates text characters inside of circles or bubbles, with either dark or light backgrounds. The following charts have been generated to illustrate various features of the emoji characters in Unicode. TextView里面使用android:text='@string/xxx'