Saving Data on Android

Dele/ng a file from internal storage
Replace the existing 
return
 statement for the
deleteNote
 function in 
InternalFileRepository
 with the following line of code:
return
 noteFile(fileName).delete()
Saving Data on Android
Chapter 1: Using Files
raywenderlich.com
27

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The 
delete
 function of the 
File
 class returns a 
Boolean
 value to indicate whether 
the delete operation was successful; this function returns that value to where it was 
called in 
MainActivity
.
Build and run the app. Delete a file by tapping the 
DELETE
 button; you’ll see the 
appropriate message.
To confirm the file was deleted, use the Device File Explorer or try to delete the file a 
second time. If everything worked as expected, you’ll see a message that indicates 
the file could not be deleted (because it’s already gone).
Internal storage is great for storing private data in an app. But what if you want to 
store data temporarily? To do this, you can use