şu soruya yanıt: https://gelecegiyazanlar.turkcell.com.tr/soru/locationmanager-network-provider

LocationManagerTestActivity.java

package com.example.locationmanager;

import android.app.Activity;
import android.content.Context;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

public class LocationManagerTestActivity extends Activity {
	LocationManager lm;
	TextView tv;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		tv=(TextView) findViewById(R.id.textView1);
		lm=(LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
		
		boolean isNetworkEnabled=lm.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
		String etkinMi = isNetworkEnabled ? "Etkin" : "Etkin değil";
		Log.v("MainActivity", etkinMi);
		tv.setText(etkinMi);
	}
}