android - Should the context of SQLiteOpenHelper always be the running activity? -

i want open database once main screen of app , , want use instance anywhere in activity. possible or should make context each actual opened activity must create instance of database ( open ) in every activity ?

is possible or should make context each actual opened activity must create instance of database ( open ) in every activity ?

it possible, , use application context. dbhelper singleton. e.g

public class dbhelper extends sqliteopenhelper {     private static dbhelper sinstance;   public static synchronized dbhelper getinstance(context context) {         if (sinstance == null) {        sinstance = new dbhelper(context.getapplicationcontext());     }     return sinstance;   }    private dbhelper(context context) {     super(context, database_name, null, database_version);   }  }