The following lists summarize the facts about each storage space. The API behavior is the same whether the external storage is removable or not. Without a removable storage medium, there are always two storage spaces and Some devices divide the permanent storage space into 'internal' and 'external' partitions, so even (internal storage), plus a removable storage medium such as a micro SD card (external storage). These namesĬome from the early days of Android, when most devices offered built-in non-volatile memory Choose Internal or External StorageĪll Android devices have two file storage areas: 'internal' and 'external' storage. Standard file input/output APIs in java.io. The lesson assumes that you are familiar with the basics of the Linux file system and the This lesson shows how to perform basic file-related tasks in your app. For example, it's good for image files or Start-to-finish order without skipping around. How to work with the Android file system to read and write files with the FileĪ File object is suited to reading or writing large amounts of data in

Similar to disk-based file systems on other platforms. Obtain Permissions for External Storage.

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