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I have used a Google Maps (V2) in a PopupWindow and when I run the application, the map is not displayed. Even the area where it should be is fully transparent and I can see the activity below the PopupWindow through it.

Any idea why this is?

Fragment inside popup_window.xml

<fragment
    android:id="@+id/popup_alert_map"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_below="@+id/popup_alert_description"
    android:layout_marginTop="10dp"
    class="com.google.android.gms.maps.SupportMapFragment" />

And how I show it inside Popup.java

SupportMapFragment supportMapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.popup_alert_map);
locationMap = supportMapFragment.getMap();

locationMap.setMyLocationEnabled(true);
locationMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);

I have another Activity with a map it it and that displays nicely.

Any help greatly appreciated...

Roshnal
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2 Answers2

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If you are using the SupportMapFragment then you should use the SupportFragmentManager, like this:

locationMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.popup_alert_map)).getMap();

Try this, tell me what the result.

Emil Adz
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It seems to be a bug, either in Android or in the MapFragment/SupportMapFragment. I tried the same thing (adding the Google Map fragment in a PopupWindow) and on a Google Nexus 10 with Android 4.4, and the map appeared on the PopupWindow just fine, but on an older device with Android 4.0.3 it showed the transparency problem.

Eventually what I did was just move it to another Activity. I looked for as many ways as I could to fix it but it all seems like a dead end, especially given the fact that it works on the newest version of Android without any problems.

Daniel Gray
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