android中的各种目录

---getCacheDir():/data/data/包名/cache
---getCodeCacheDir:/data/data/包名/code_cache
---getExternalCacheDir:/storage/emulated/0/Android/data/包名/cache
---getDataDir:/data/data/包名
---getFilesDir:/data/data/包名/files
---getObbDir:/storage/emulated/0/Android/obb/包名
---getFilesDir:/data/data/包名/files
---getNoBackupFilesDir:/data/data/包名/no_backup
---getExternalCacheDir:/storage/emulated/0/Android/data/包名/cache
---getExternalFilesDir(Environment.DIRECTORY_MUSIC):/storage/emulated/0/Android/data/包名/files/Music
---getExternalFilesDir(Environment.DIRECTORY_PODCASTS):/storage/emulated/0/Android/data/包名/files/Podcasts
---getExternalFilesDir(Environment.DIRECTORY_RINGTONES):/storage/emulated/0/Android/data/包名/files/Ringtones
---getExternalFilesDir(Environment.DIRECTORY_ALARMS):/storage/emulated/0/Android/data/包名/files/Alarms
---getExternalFilesDir(Environment.DIRECTORY_NOTIFICATIONS):/storage/emulated/0/Android/data/包名/files/Notifications
---getExternalFilesDir(Environment.DIRECTORY_PICTURES):/storage/emulated/0/Android/data/包名/files/Pictures
---getExternalFilesDir(Environment.DIRECTORY_MOVIES):/storage/emulated/0/Android/data/包名/files/Movies
---getDir(picture):/data/data/包名/app_picture