dump classloader paths.java

    public static void extractInfo(ClassLoader loader) throws Exception {
        BaseDexClassLoader dexLoader = (BaseDexClassLoader) loader;
        Field pathListField = BaseDexClassLoader.class.getDeclaredField("pathList");
        pathListField.setAccessible(true);
        Object pathList = pathListField.get(dexLoader);

        Field dexElementsField = pathList.getClass().getDeclaredField("dexElements");
        dexElementsField.setAccessible(true);
        Object[] dexElements = (Object[]) dexElementsField.get(pathList);
        Field elementFileField = null;
        for (Object dexElement : dexElements) {
            if (elementFileField == null) {
                try {
                    elementFileField = dexElement.getClass().getDeclaredField("path");
                } catch (NoSuchFieldException exception) {
                    elementFileField = dexElement.getClass().getDeclaredField("file");
                }
            }
            elementFileField.setAccessible(true);
            Log.i("ClassLoaderHelper", "Path list entry: " + elementFileField.get(dexElement));
        }

        Field nativeLibDirsField = pathList.getClass().getDeclaredField("nativeLibraryDirectories");
        nativeLibDirsField.setAccessible(true);
        List<File> nativeLibDirs = (List<File>) nativeLibDirsField.get(pathList);
        for (File dir : nativeLibDirs) {
            Log.i("ClassLoaderHelper", "Native path list entry: " + dir);
        }
    }