Not working fragment & location requests but working switching location

on and off.

app/src/main/java/pl/tpolgrabia/urbanexplorer/MainActivity.java

@@ -14,80 +14,14 @@ public class MainActivity extends ActionBarActivity  {
 
     private static final int LOCATION_SETTINGS_REQUEST_ID = 1;
     private static final String CLASS_TAG = MainActivity.class.getSimpleName();
-    private static final long MIN_TIME = 60000;
-    private static final float MIN_DISTANCE = 100;
-    private boolean gpsLocationEnabled;
-    private boolean networkLocationEnabled;
-    private boolean locationEnabled;
-    private LocationManager locationService;
-    private String locationProvider;
-    private HomeFragment homeFrag;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        Toolbar toolbar = (Toolbar) findViewById(R.id.navbar);
+//        Toolbar toolbar = (Toolbar) findViewById(R.id.navbar);
-        setSupportActionBar(toolbar);
+//        setSupportActionBar(toolbar);
 
-        locationService = (LocationManager) getSystemService(LOCATION_SERVICE);
-        checkLocationSourceAvailability();
-
-        if (!locationEnabled) {
-            Intent locationSettingsIntent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
-            startActivityForResult(locationSettingsIntent, LOCATION_SETTINGS_REQUEST_ID);
-        }
-
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-
-        homeFrag = (HomeFragment) getSupportFragmentManager().findFragmentById(R.id.home);
-        locationService.requestLocationUpdates(locationProvider,
-            MIN_TIME,
-            MIN_DISTANCE,
-            homeFrag);
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        locationService.removeUpdates(homeFrag);
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-
-        switch (requestCode) {
-            case LOCATION_SETTINGS_REQUEST_ID:
-                checkLocationSourceAvailability();
-                if (!locationEnabled) {
-                    // sadly, nothing to do except from notifing user that program is not enable working
-                    Toast.makeText(this, "Sorry location services are not working." +
-                        " Program cannot work properly - check location settings to allow program working correctly",
-                        Toast.LENGTH_LONG);
-                }
-                break;
-            default:
-                super.onActivityResult(requestCode, resultCode, data);
-        }
-    }
-
-    private void checkLocationSourceAvailability() {
-        gpsLocationEnabled = locationService.isProviderEnabled(LocationManager.GPS_PROVIDER);
-        networkLocationEnabled = locationService.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
-        locationEnabled = gpsLocationEnabled || networkLocationEnabled;
-        if (gpsLocationEnabled) {
-            locationProvider = LocationManager.GPS_PROVIDER;
-            return;
-        }
-
-        if (networkLocationEnabled) {
-            locationProvider = LocationManager.NETWORK_PROVIDER;
-            return;
-        }
     }
 
     @Override

app/src/main/java/pl/tpolgrabia/urbanexplorer/fragments/HomeFragment.java

@@ -1,9 +1,12 @@
 package pl.tpolgrabia.urbanexplorer.fragments;
 
 
+import android.content.Intent;
 import android.location.Location;
 import android.location.LocationListener;
+import android.location.LocationManager;
 import android.os.Bundle;
+import android.provider.Settings;
 import android.support.v4.app.Fragment;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -11,19 +14,49 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import android.widget.TextView;
+import android.widget.Toast;
 import pl.tpolgrabia.urbanexplorer.R;
 
+import static android.content.Context.LOCATION_SERVICE;
+
 /**
  * A simple {@link Fragment} subclass.
  */
 public class HomeFragment extends Fragment implements LocationListener {
 
     private static final String CLASS_TAG = HomeFragment.class.getSimpleName();
+    private static final long MIN_TIME = 60000;
+    private static final float MIN_DISTANCE = 100;
+    private static final int LOCATION_SETTINGS_REQUEST_ID = 1;
+    private boolean gpsLocationEnabled;
+    private boolean networkLocationEnabled;
+    private boolean locationEnabled;
+    private LocationManager locationService;
+    private String locationProvider;
+    private HomeFragment homeFrag;
+    private boolean locationServicesActivated = false;
 
     public HomeFragment() {
         // Required empty public constructor
     }
 
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        locationService = (LocationManager) getActivity().getSystemService(LOCATION_SERVICE);
+
+        checkLocationSourceAvailability();
+
+        if (!locationEnabled) {
+            Intent locationSettingsIntent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
+            startActivityForResult(locationSettingsIntent, LOCATION_SETTINGS_REQUEST_ID);
+            return;
+        }
+
+        Toast.makeText(getActivity(), "Created", Toast.LENGTH_LONG).show();
+    }
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
@@ -61,4 +94,60 @@ public class HomeFragment extends Fragment implements LocationListener {
     public void onProviderDisabled(String provider) {
         Log.i(CLASS_TAG, "Provider " + provider + " disabled");
     }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        homeFrag = (HomeFragment) getChildFragmentManager().findFragmentById(R.id.home_frag);
+        if (locationProvider != null) {
+            locationService.requestLocationUpdates(locationProvider,
+                MIN_TIME,
+                MIN_DISTANCE,
+                homeFrag);
+            locationServicesActivated = true;
+            Toast.makeText(getActivity(), "Location resumed", Toast.LENGTH_LONG).show();
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        if (locationServicesActivated) {
+            locationService.removeUpdates(homeFrag);
+        }
+    }
+
+    private void checkLocationSourceAvailability() {
+        gpsLocationEnabled = locationService.isProviderEnabled(LocationManager.GPS_PROVIDER);
+        networkLocationEnabled = locationService.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
+        locationEnabled = gpsLocationEnabled || networkLocationEnabled;
+        if (gpsLocationEnabled) {
+            locationProvider = LocationManager.GPS_PROVIDER;
+            return;
+        }
+
+        if (networkLocationEnabled) {
+            locationProvider = LocationManager.NETWORK_PROVIDER;
+            return;
+        }
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+
+        switch (requestCode) {
+            case LOCATION_SETTINGS_REQUEST_ID:
+                checkLocationSourceAvailability();
+                if (!locationEnabled) {
+                    // sadly, nothing to do except from notifing user that program is not enable working
+                    Toast.makeText(getActivity(), "Sorry location services are not working." +
+                            " Program cannot work properly - check location settings to allow program working correctly",
+                        Toast.LENGTH_LONG).show();
+                }
+                break;
+            default:
+                super.onActivityResult(requestCode, resultCode, data);
+        }
+    }
 }

app/src/main/res/layout/activity_main.xml

@@ -10,11 +10,11 @@
         android:paddingBottom="@dimen/activity_vertical_margin"
         tools:context="pl.tpolgrabia.urbanexplorer.MainActivity">
 
-    <Toolbar android:id="@+id/navbar"
+    <!--<Toolbar android:id="@+id/navbar"-->
-             android:layout_width="match_parent"
+             <!--android:layout_width="match_parent"-->
-             android:layout_height="wrap_content">
+             <!--android:layout_height="wrap_content">-->
 
-    </Toolbar>
+    <!--</Toolbar>-->
 
     <fragment
             android:layout_width="match_parent"