Using SharedPreferences in a runnable

Question

I need to store some data in the SharedPreferences in a class derived from Runnable.

It seems like there is no way to get hands on it without a context. For example the following will need a context object which is not available to the Runnable instance.

PreferenceManager.getDefaultSharedPreferences(Context context)

Is there any way to make it work in the Runnable or should I just go with the DB for all the preferences.

Have you tried one of [these](http://stackoverflow.com/questions/3875391/context-inside-a-runnable) suggestions? — Andrea Dusza, Dec 31 '15 at 01:03
Yeah. They suggest declaring the runnable inside an activity and use a local variable for the context. I prefer not to do that as I need my runnable to be reusable in other activities. Could I ask for a context in the runnable's constructor instead? — Vahid, Dec 31 '15 at 01:11

score 0 · Accepted Answer · answered Dec 31 '15 at 01:19

How about storing the context in a field in your runnable and passing it as a constructor parameter? This way it could be reusable.

public class MyRunnable implemets Runnable{
    private Context context;

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

    public void run(){
        /...
    }
}

Using SharedPreferences in a runnable

1 Answers1