question: public static Spannable filterAsyncFromFile ( Spannable spannable , int fontSize , String filePath , EmojiAsyncLoadTextView emojiAsyncLoadTextView ) { if ( spannable == null ) { return null ; } Matcher m = getMatcher ( spannable . toString ( ) ) ; if ( m != null ) { while ( m . find ( ) ) { String emojiHex = Integer . toHexString ( Character . codePointAt ( m . group ( ) , 0 ) ) ; EmojiDrawable emojiDrawable = new EmojiDrawable ( ) ; emojiDrawable . setBounds ( 0 , 0 , fontSize , fontSize ) ; spannable . setSpan ( new EmojiSpan ( emojiDrawable , emojiAsyncLoadTextView ) , m . start ( ) , m . end ( ) , Spannable . SPAN_INCLUSIVE_EXCLUSIVE ) ; emojiAsyncLoadTextView . addAsyncLoadTask ( emojiDrawable , filePath + emojiHex + ".png" ) ; } } return spannable ; }
target:  load emoji from File asynchronously