Android :: Display Data In Internal Storage And Device Memory

How to read and display the data stored in the Internal Storage-private data on the device memory.

String input=(inputBox.getText().toString());
String FILENAME = "hello_file"; //this is my file name
FileOutputStream fos; try {
fos = openFileOutput(FILENAME, Context.MODE_PRIVATE);
fos.write(input.getBytes()); //input is got from on click button
fos.close(); } catch (FileNotFoundException e) {
e.printStackTrace(); } catch (IOException e) {
e.printStackTrace();
} try { fos1= openFileInput (FILENAME);
} catch (FileNotFoundException e) {}
outputView.setText(fos1./*I don't know what goes here*/);