Android External File Control

1. Important! Updated intent_saf_request function. When the request_code is SAF_REQUEST_LOAD, it No longer fires the social event "saf_request_accepted" but instead fires "saf_request_loaded".

2. Added file_apply_name function. file_apply_name(String path, String name) It changes the characters that cannot be included in the file name to "_". Also, it checks the path for duplicate file names, and indexes duplicate files if they exist.

If the file name is the same as in the example, the result is: android/file?extension.txt => android_file_extension.txt

If "android_file_extension.txt" already exists in the path, it will be replaced with "android_file_extension (1).txt".

1. Updated Demo Code Check the code at OBJ_System: Async-Social