Write json string on file

writejson.java

private void scrivojson(String json, String nome) {
            try {
                OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput(String.format("%s.json",nome), Context.MODE_PRIVATE));
                outputStreamWriter.write(json);
                outputStreamWriter.close();
            } catch (Exception e) {
                Log.d(TAG,"Non ho scritto il file");
            }
        }