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MapFragment is displaying but can't add markers, move camera, etc. with Google Map

I'm making an application using Android Studio and even though I've got the map and it's being displayed, I can't add markers or do anything else to it using the GoogleMap object obtained from OnMapReady.
Here's the code from my Main Activity:
public class MainActivity extends AppCompatActivity implements OnFragmentInteractionListener, OnMapReadyCallback {
MapFragment mapFragment;
private GoogleMap mMap;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
switchFragments(GlobalConsts.FRAGMENT.MAP);
}
public void switchFragments(GlobalConsts.FRAGMENT fragment){
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
switch (fragment) {
case MAP:
if (mapFragment == null) {
mapFragment = new MapFragment();
}
mapFragment.getMapAsync(this);
transaction.replace(R.id.fragmentContainer, mapFragment);
transaction.addToBackStack(null);
break;
}
transaction.commit();
}
#Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
LatLng sydney = new LatLng(-34, 151);
mMap.addMarker(new MarkerOptions()
.position(sydney)
.title("Sydney")
.snippet("Population: 4,627,300")
.icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)));
CameraPosition cameraPosition = new CameraPosition.Builder().target(sydney).zoom(12).build();
mMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
}
}
Here's the xml layout for my Main Activity
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/activity_main"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
tools:context="jarett.familymap.MainActivity">
<FrameLayout
android:id="#+id/fragmentContainer"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/>
</LinearLayout>
My MapFragment class:
public class MapFragment extends SupportMapFragment {
public MapFragment() {}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
super.onCreateView(inflater, container, savedInstanceState);
return inflater.inflate(R.layout.fragment_map, container, false);
}
#Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
}
}
and the xml layout for my MapFragment in fragment_map.xml:
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/mapFragment"
android:orientation="vertical"
android:layout_width="match_parent" android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"
tools:context="jarett.familymap.MapFragment">
</fragment>
Like I said, everything seems to be working fine as far as displaying the map fragment but for the life of me I can't figure out why the code for zooming and adding markers isn't doing anything. I appreciate the help.

I can't figure out why the code for zooming and adding markers isn't doing anything
Well, you have two maps. Your MapFragment extends SupportMapFragment, so that will give you one map. Then, your MapFragment inflates a layout that, in turn, creates a SupportMapFragment. This gives you two maps.
Either:
Delete MapFragment entirely, along with its associated layout file, and just have your activity create a SupportMapFragment, or
Delete your onCreateView() method from MapFragment, and move your map-management code into MapFragment, triggered by a getMapAsync() call in onViewCreated() (as I worry that you are calling it too soon in your existing code)

Android - search tool bar in MapActivity

I need a search toolbar on Google Map.
I display the map with the use of MapActivity.
The way I did is via the create project wizard, when you a create a new project, you can choose from basic activity, empty activity, map activity.
I selected MapActivity.
In XML file I had only this:
<resources>
<string name="google_maps_key" templateMergeStrategy="preserve"
translatable="false">AIzaSyCx3iR5fkeWr2LUf6JBHwGLEEkeghL3snk
</string>
</resources>
So what is the way to insert that search toolbar on the map?
Then how to add that search tool bar. If I add a layout then an error it is shown.

The way I would do it is the following:
I would have an activity which has a fragment that contain the map inside.
Inside the activity I would have a method that display the fragment with the map:
public void showMap() {
MapLocationFragment locationFragment = MapLocationFragment.newInstance();
getSupportFragmentManager().beginTransaction()
.replace(R.id.fragment_container, locationFragment)
.addToBackStack(null)
.commit();
}
activity xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<include
android:id="#+id/app_bar_include"
layout="#layout/app_bar_layout_device" />
<FrameLayout
android:id="#+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="?attr/actionBarSize" />
</RelativeLayout>
Now, inside the MapLocationFragment you need to have something like that:
#Nullable
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.maps_layout, container, false);
return view;
}
#Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
initializeMapIfNeeded();
}
private void initializeMapIfNeeded() {
if (googleMap == null) {
loadMapAsync();
}
}
private void loadMapAsync() {
((SupportMapFragment) getChildFragmentManager().findFragmentById(R.id.location_map)).getMapAsync(getOnMapReadyCallback());
}
public OnMapReadyCallback getOnMapReadyCallback() {
return new OnMapReadyCallback() {
#Override
public void onMapReady(GoogleMap map) {
googleMap = map;
if (googleMap == null) {
return;
}
googleMap.setIndoorEnabled(true);
googleMap.getUiSettings().setMyLocationButtonEnabled(true);
googleMap.setOnMyLocationButtonClickListener(getMapMpOnMyLocationClickListener());
googleMap.setLocationSource(getNewLocationSource());
googleMap.setOnCameraChangeListener(getCameraChangeListener());
//do other stuff too
}
};
}
xml:
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<fragment
android:id="#+id/location_map"
class="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="16dp"
android:clickable="true"
android:src="#android:drawable/ic_menu_set_as"
app:layout_anchorGravity="bottom|right|end"
android:layout_gravity="bottom|end"/>
</android.support.design.widget.CoordinatorLayout>
For more details look at this project:
Sunshine app

You can try it.
public class MapsActivity extends FragementActivity implements OnMapReadyCallback,LocationListener in here, Put the AppCompatActivity instead of the FragementActivity.

Android Google Map xml R.id undefined in fragment

I`m developing an application that uses an activity with navigation drawer. I have two fragments in the drawer one of which is a google map.
In the map fragment class I want to initialize the GoogleMap object to do some things to the map, but in the onCreateView after I initialize the view through inflater, my app doesn't find the id in R class to initialize the google map.
I call the fragment from the activity through:
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.add(R.id.mainContent, map, Map.class.getSimpleName());
fragmentTransaction.addToBackStack(Map.class.getSimpleName());
fragmentTransaction.commit();
the container xml:
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/drawerLayout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<FrameLayout
android:id="#+id/mainContent"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</FrameLayout>
<ListView
android:id="#+id/drawerList"
android:layout_width="200dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#color/background_color" >
</ListView>
</android.support.v4.widget.DrawerLayout>
layout_fragment_map.xml:
<?xml version="1.0" encoding="utf-8"?>
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/map"
android:name="com.google.android.gms.maps.MapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent" />
The Map fragment class:
public class Map extends Fragment {
private View view;
private MapFragment mapFragment;
private GoogleMap googleMap;
#Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (view != null) {
ViewGroup parent = (ViewGroup) view.getParent();
if (parent != null)
parent.removeView(view);
}
try {
view = inflater.inflate(R.layout.layout_fragment_map, container, false);
} catch (InflateException e) {
/* map is already there, just return view as it is */
}
mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);
googleMap = mapFragment.getMap();
return view;
}
In the line:
mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);
the R.id.map is undefined Eclipse gives "could not resolve type".
Something is missing or my whole concept is faulty?
Thank you and happy coding!

I resolved the issue by modifying the line:
mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.googleMap);
with
mapFragment = (MapFragment) getChildFragmentManager().findFragmentById(R.id.googleMap);
It is strange because the R.id.googleMap is still undefined but the object gets created correctly.

Android Google Maps V2: added marker doesn't appear when map is included as dynamic fragment

I need to add a map dynamically into the app to my MainActivity, otherwise I somehow suffer on memory leaks. Adding the map basically works, but I can't add markers. They just don't appear. That's how I add the map:
activity_main.xml which is used by the MainActivity
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<!-- Placeholder for all fragments -->
<RelativeLayout
android:id="#+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</RelativeLayout>
<!-- Slider menu -->
<LinearLayout
android:id="#+id/list_container"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#fff"
android:orientation="vertical" >
<!-- more code -->
</LinearLayout>
</android.support.v4.widget.DrawerLayout>
fragment_map.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center" >
<fragment
xmlns:map="http://schemas.android.com/apk/res-auto"
android:id="#+id/fragment_googlemap"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.androidmapsextensions.SupportMapFragment"
map:cameraTargetLat="48.21167860510698"
map:cameraTargetLng="16.365892895859423"
map:cameraZoom="11"
map:uiCompass="true"
map:uiRotateGestures="true"
map:uiScrollGestures="true"
map:uiTiltGestures="true"
map:uiZoomControls="true"
map:uiZoomGestures="true" />
</FrameLayout>
MapFragment.java
public class MapFragment extends com.androidmapsextensions.SupportMapFragment
{
private static final String TAG = MapFragment.class.getSimpleName();
private OnFragmentLoadedCompleteListener onFragmentLoadedCompleteListener;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle args)
{
super.onCreateView(inflater, container, args);
Logger.log(TAG, "onCreateView()", LogController.isLoggingEnabled(), Log.DEBUG);
return inflater.inflate(R.layout.fragment_map, container, false);
}
#Override
public void onActivityCreated(Bundle savedInstanceState)
{
super.onActivityCreated(savedInstanceState);
Logger.log(TAG, "onActivityCreated()", LogController.isLoggingEnabled(), Log.DEBUG);
onFragmentLoadedCompleteListener.onFragmentComplete();
}
#Override
public void onAttach(Activity activity)
{
super.onAttach(activity);
Logger.log(TAG, "onAttach()", LogController.isLoggingEnabled(), Log.DEBUG);
onFragmentLoadedCompleteListener = (OnFragmentLoadedCompleteListener)activity;
}
}
Important parts of MainActivity.java
#Override
public void onFragmentComplete()
{
googleMap = ((SupportMapFragment)getSupportFragmentManager().findFragmentByTag("mapFragment")).getExtendedMap();
}
private void initMapFragment()
{
if (googleMap != null)
{
googleMap.clear();
googleMap = null;
}
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container, new MapFragment(), "mapFragment").commit();
}
OnFragmentLoadedCompleteListener.java
public interface OnFragmentLoadedCompleteListener
{
public void onFragmentComplete();
}
onFragmentComplete() is executed, googleMap is not null and shown. But I can't draw markers on it. They just don't appear.
But when I don't dynamically add the map and embed it into the activity_main.xml within the RelativeLayout like this
<RelativeLayout
android:id="#+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<fragment
xmlns:map="http://schemas.android.com/apk/res-auto"
android:id="#+id/fragment_googlemap"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.androidmapsextensions.SupportMapFragment"
map:cameraTargetLat="48.21167860510698"
map:cameraTargetLng="16.365892895859423"
map:cameraZoom="11"
map:uiCompass="true"
map:uiRotateGestures="true"
map:uiScrollGestures="true"
map:uiTiltGestures="true"
map:uiZoomControls="true"
map:uiZoomGestures="true" />
</RelativeLayout>
and fetch the map like this without the listener, I can draw markers, that means they appear.
googleMap = ((SupportMapFragment)getSupportFragmentManager().findFragmentById(R.id.fragment_googlemap)).getExtendedMap();
That means drawing markers on the map only works when I directly embed the map into the xml of the MainActivity instead of added it dynamically as fragment. What's going on here. Where is the error?

As is often the case I found the solution on my own.
I have to keep a reference to my MapFragment I use to replace:
mapFragment = new MapFragment();
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container, mapFragment).commit();
In onFragmentComplete() I have to invoke getChildFragmentManager() on this reference to obtain the "correct" GoogleMap.
googleMap = ((SupportMapFragment)mapFragment.getChildFragmentManager().findFragmentById(R.id.fragment_googlemap)).getExtendedMap();
This time it can be found by id as well (didn't work before), and drawing markers on this map works now.

Extend MapFragment Android

I have an activity that hosts two fragments. One fragment provides some info to the user in various fields. The other fragment should show a Map.
For the fragment hosting the map I need to be able to add custom logic for displaying markers and several other things that I would like to reuse in other places in the app. What is the best way to create a map without defining the fragment in xml like:
<fragment
class="com.google.android.gms.maps.MapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
Thanks,
Nathan
Edit:
I am now using nested fragments, not sure if that is the best way to handle this? My mapfragment is now:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<fragment
android:id="#+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.MapFragment" />
</LinearLayout>
and the Fragments code is:
public class ViewCurrentMapFragment extends Fragment implements View.OnClickListener {
public static final String TAG = "MAP_FRAGMENT";
private GoogleMap map;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_view_current_map, container, false);
return rootView;
}
private void getCurrentMarkers() {
// Getting reference to the SupportMapFragment of activity_main.xml
SupportMapFragment smf = ((SupportMapFragment) getActivity().getSupportFragmentManager().findFragmentById(R.id.map));
map = smf.getMap();
}
#Override
public void onClick(View v) {
}
#Override
public void onResume() {
super.onResume();
getCurrentMarkers();
}
}
The problem I am having now is that smf.getMap() is returning null. Any ideas?
Edit2:
Got it to work by changing:
com.google.android.gms.maps.MapFragment
to
com.google.android.gms.maps.SupportMapFragment

Maybe:
<fragment
class="com.mycompany.MyCustomFragmentExtendingMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
or nest fragments like here: http://code.google.com/p/gmaps-api-issues/issues/detail?id=5064#c1