ListView menu = findViewById(R.id.listView);

        ArrayList <HashMap<String,String>> data = new ArrayList<>();
        HashMap <String, String> text = new HashMap<>();

        text.put("Header", "Theory");
        text.put("Text", "You need to learn it");

        data.add(text);

        menu.setAdapter(new SimpleAdapter(this,
                data,
                android.R.layout.simple_list_item_2,
                new String[]{"Header", "Text"},
                new int[]{android.R.id.text1, android.R.id.text2}));