question: public static boolean isMultiDex ( File archiveFile ) { ContentReader contentReader = new ContentReader ( archiveFile ) ; contentReader . load ( ) ; List < String > allClassNames = contentReader . getAllClassNames ( ) ; int numDexes = 0 ; for ( String classEntry : allClassNames ) { if ( classEntry . endsWith ( ".dex" ) ) { numDexes ++ ; if ( numDexes == 2 ) { return true ; } } } return false ; }
target:  returns true if the apk is multidex