public class ScrabbleApp extends Application {

    public static ArrayList<String> dictionary;

    @Override
    public void onCreate() {
        super.onCreate();

        initDictionary();

    }

    private void initDictionary(){
        dictionary = new ArrayList<>();
        BufferedReader bufferedReader = null;
        try {
            bufferedReader = new BufferedReader(new InputStreamReader
                    (getResources().openRawResource(R.raw.russian), StandardCharsets.UTF_8));
            String line;
            while ((line = bufferedReader.readLine()) != null) {
                dictionary.add(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (bufferedReader != null) {
                try {
                    bufferedReader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}