Why Volley DiskBasedCache splicing without direct access to the cache file name
问题 /** * Creates a pseudo-unique filename for the specified cache key. * * @param key The key to generate a file name for. * @return A pseudo-unique filename. */ private String getFilenameForKey(String key) { int firstHalfLength = key.length() / 2; String localFilename = String.valueOf(key.substring(0, firstHalfLength).hashCode()); localFilename += String.valueOf(key.substring(firstHalfLength).hashCode()); return localFilename; } This code from Google Volley DiskBasedCache . Why splicing without