@Override protected void onStop() { SharedPreferences prefs = getPreferences(Context.MODE_PRIVATE); SharedPreferences.Editor editor = prefs.edit(); editor.putInt("level", this.level); editor.putString("map", game.getLabyrinth().getJsonMap()); editor.putString("howdy", game.getJsonHowdy()); String allDoneLevelsString = ""; for (String s : allDoneLevels) { allDoneLevelsString += s + ","; } if (allDoneLevelsString.length() > 0) { editor.putString( "doneLevels", allDoneLevelsString.substring(0, allDoneLevelsString.length() - 1)); } editor.commit(); super.onStop(); }