Android源码探究之BaseDexClassLoader的使用

     * @param dexPath the list of jar/apk files containing classes and
     * resources, delimited by {@code File.pathSeparator}, which
     * defaults to {@code ":"} on Android.

private void loadDex(List<File> apkList) {
        StringBuilder builder = new StringBuilder();
        for (File f : apkList) {
            builder.append(f.getAbsolutePath());
            builder.append(File.separatorChar);
        }
        DexClassLoader dexClassLoader = new DexClassLoader(builder.toString(), null, null, getClass().getClassLoader());
    }

@UnsupportedAppUsage
    private static List<File> splitPaths(String searchPath, boolean directoriesOnly) {
        List<File> result = new ArrayList<>();
        if (searchPath != null) {
            for (String path : searchPath.split(File.pathSeparator)) {
                ...
                result.add(new File(path));
            }
        }
        return result;
    }

public String findLibrary(String libraryName) {
        String fileName = System.mapLibraryName(libraryName);
        for (NativeLibraryElement element : nativeLibraryPathElements) {
            String path = element.findNativeLibrary(fileName);
            if (path != null) {
                return path;
            }
        }
        return null;
    }

public String findNativeLibrary(String name) {
            maybeInit();
            if (zipDir == null) {
                String entryPath = new File(path, name).getPath();
                if (IoUtils.canOpenReadOnly(entryPath)) {
                    return entryPath;
                }
            } else if (urlHandler != null) {
                // Having a urlHandler means the element has a zip file.
                // In this case Android supports loading the library iff
                // it is stored in the zip uncompressed.
                String entryName = zipDir + '/' + name;
                if (urlHandler.isEntryStored(entryName)) {
                  return path.getPath() + zipSeparator + entryName;
                }
            }
            return null;
        }