Question

I’ve been looking for over the past day and a half at several websites about how to store strings/string arrays/etc. and I can’t seem to figure it out. I’m not sure if I’m just not quite comprehending how to implement data storage..or what. But here is my problem, simply put, I have two activity pages (we’ll name ‘A,B’ respectively) . All I want to do is get a string from a text view in Activity B, store it in an array, and then have it accessed by clicking a button in Activity A.

I know it is simple, but I hit a block for some reason… I am trying to use SharedPreferences but how would I obtain the string from Activity B, store it in a global array, and let it be accessed by a different activity (Activity A) ?

Answer 1

Just store it into shared preferences (usually in onPause()):

            SharedPreferences.Editor editor = getPreferences(MODE_PRIVATE).edit();
            editor.putString(GAME_STATE, writer.toString());
            editor.commit();

in one activity and load in another (usually in onResume()):

        SharedPreferences preferences = getPreferences(MODE_PRIVATE);


    String jsonState = preferences.getString(GAME_STATE, null);

And nothing prevents you from using public static variables