private File dir;

// Opening a file for output in Java under Android.
File fScores;
PrintWriter scores = null;
try
{
dir = new File(activity.getFilesDir(), strScorefile);
scores = new PrintWriter(dir);
}
catch (Exception ex)
{
// Handle the error.
}

// Opening a file for input under Android.
Scanner scores = null;
try
{
dir = new File(activity.getFilesDir(), strScorefile);
scores = new Scanner(dir);
}
catch (Exception ex)
{
// Handle the error
}