MapFragment in Fragment, alternatives?

Question

I need your help... I work on it until 3 days. My app is working with fragments. One of these fragments has to display a map from the Google Maps V2 api for Android.

Currently, I'm using a MapFragment, but no surprise, a fragment in a fragment is not a good idea, but it works, the map is displaying, i can edit it but when I switch of main fragment and return on it.

Caused by: java.lang.IllegalArgumentException: Binary XML file line #59: Duplicate id 0x7f070041, tag null, or parent id 0x7f070040 with another fragment for com.google.android.gms.maps.MapFragment

at android.app.Activity.onCreateView(Activity.java:4252)

at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:673)

This is the cause when I go on another fragment and return to the one which contains the map. I'm searching until 3 days to fix this but no great results.

To resume for you, I've an Activity which calls a fragment which contains a MapFragment in the layout file. If you need more, just ask :)

Thanks

Edit : Here is the code to change Fragment in the main Activity

private void swtichFragment(Fragment fragment, Bundle bundle) { fragment.setBundle(this, bundle); FragmentManager fragmentManager = getFragmentManager(); FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction(); fragmentTransaction.replace(R.id.rightFragmentPlaceHolder, fragment); fragmentTransaction.commit(); mRightFragment = fragment; } 

Answer 1

Use SupportMapFragment to overcome this error:

In fragment layout

<fragment android:id="@+id/googleMap" android:name="com.google.android.gms.maps.SupportMapFragment" android:layout_width="match_parent" android:layout_height="match_parent" /> 

In Your Fragment onCreateView

SupportMapFragment mapFragment = (SupportMapFragment) getChildFragmentManager().findFragmentById(R.id.googleMap);          if (mapFragment != null) {             mapFragment.getMapAsync(this);         } 

Since your layout is in the Fragment's layout, therefore the SupportMapFragment is the child layout of your fragment. Hence use getChildFragmentManager() which is Fragment's FragmentManager