public class SharedPreferencesRepository {

  private final Context context;

  public SharedPreferencesRepository(Context context) {
    this.context = context;
  }

  public boolean saveString(String key, String source) {
    SharedPreferences.Editor editor = getSharedPreferences().edit();
    editor.putString(key, source);
    return editor.commit();
  }

  public String getStringValue(String key) {
    SharedPreferences sharedPreferences = getSharedPreferences();
    return sharedPreferences.getString(key, "");
  }

  private SharedPreferences getSharedPreferences() {
    return context.getSharedPreferences("tuapp_preferences_o_como_quieras", Context.MODE_PRIVATE);
  }

}