Read and write a text file to internal storage

When simple name/value pairs are not sufficient, Android also supports regular file operations, including working with text and binary data.

The following recipe demonstrates how to read and write a file to internal or private storage.

Getting ready

Create a new project in Android Studio and call it InternalStorageFile. Use the default Phone & Tablet options and select Empty Activity in the Add an Activity to Mobile dialog.

How to do it...

To demonstrate both reading and writing text...