2016-9-20

2016-9-20

1.監聽Gps

    private final ContentObserver mGpsMonitor = new ContentObserver(null) {
        @Override
        public void onChange(boolean selfChange) {
            super.onChange(selfChange);

            boolean enabled = mLocationManager
                    .isProviderEnabled(LocationManager.GPS_PROVIDER);
            System.out.println("gps enabled? " + enabled);
        }
    };

    getContentResolver()
                .registerContentObserver(
                        Settings.Secure
                                .getUriFor(Settings.System.LOCATION_PROVIDERS_ALLOWED),
                        false, mGpsMonitor);

    getContentResolver().unregisterContentObserver(mGpsMonitor);