Check Location Enabled

MapsActivity.java

private boolean isLocationEnabled() {
        int locationMode = 0;
        String locationProviders;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
            try {
                locationMode = Settings.Secure.getInt(getContentResolver(), Settings.Secure
                        .LOCATION_MODE);

            } catch (Settings.SettingNotFoundException e) {
                e.printStackTrace();
            }

            return locationMode != Settings.Secure.LOCATION_MODE_OFF;

        }else{
            locationProviders = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
            return !TextUtils.isEmpty(locationProviders);
        }
    }