How do I write to a .txt file in Android?

Question

I have an app that needs to read and write to a text file. I have it reading, but I don\'t have it writing. The idea is that when I click the save button on the screen, its

Answer 1

You can use FileOutputStream instead of OutputStreamWriter, something like this:

File file = getFileStreamPath("test.txt");

if (!file.exists()) {
   file.createNewFile();
}

FileOutputStream writer = openFileOutput(file.getName(), Context.MODE_PRIVATE);

for (String string: data){
    writer.write(string.getBytes());
    writer.flush();
}

writer.close();

Check the android docs.