Simple File IO: Android Data Persistence Tutorial - Part 2

In this video we have a discussion on how Android's File IO operations pretty much look like normal Java file IO operations. Then we have a look at sample demo where in we try to write a text to a file and then read the text from file and render it on UI.

[MinaSed-ym]

what exactly does flush() method do???
I guess the flush method of OutputStream does nothing.

[SRIKANTH-lsbm]

Request to explain the Context concept