android - ContentObservers onChange is not getting called -


i trying check if there change in gps settings. onchange not being called.

contentresolver.registercontentobserver(setting, true, new contentobserver(handler) {         @override         public boolean deliverselfnotifications(){             return true;         }         @override         public void onchange(boolean selfchange) {             super.onchange(selfchange);         log.d("onchange","in.");         }          @override         public void onchange(boolean selfchange, uri uri) {             super.onchange(selfchange, uri);             log.d("onchange","in.");         }     });

the handler called 

    looper looper = looper.getmainlooper();     handler handler = new handler(looper);

the uri used is

uri setting = settings.secure.geturifor(settings.secure.location_mode);

so,here did [pskink]{https://stackoverflow.com/users/2252830/pskink} pointed out instead ob using content observer used broadcastreceiver listen locationmanager.mode_changed_action


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