android - White map but whe i apply less zoom the map appears -

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i need put map in linearlayout layout:

<linearlayout         android:layout_width="fill_parent"         android:layout_height="wrap_content"         android:orientation="vertical" >  ....       <linearlayout             android:layout_width="800dp"             android:layout_height="400dp"             android:orientation="horizontal"             android:layout_gravity="center">             <fragment                 android:id="@+id/mapasave"                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:gravity="center"                 class="com.google.android.gms.maps.supportmapfragment"                  />         </linearlayout>     .......    </linearlayout>

the problem map appears totaly white, when apply less zoom, map appear, continental size.

the code of oncreate() metod this:

googlemap mapa = ((supportmapfragment) getsupportfragmentmanager()             .findfragmentbyid(r.id.mapasave)).getmap();     mapa.setmaptype(googlemap.map_type_satellite);     mapa.getuisettings().setcompassenabled(true);     mapa.getuisettings().setzoomcontrolsenabled(true);     latlng ll = new latlng(latitude,longitude);     mapa.movecamera(cameraupdatefactory.newlatlngzoom(ll,15));     mapa.addmarker(new markeroptions().position(ll).             icon(bitmapdescriptorfactory.defaultmarker(bitmapdescriptorfactory.hue_blue)));

androidmanifest.xml:

<meta-data         android:name="com.google.android.maps.v2.api_key"         android:value="xxxxxxxxxxxxxxx" />

i haven't found nothing concrete problem. if know this, welcome.

thank much!

check line:

    mapa.movecamera(cameraupdatefactory.newlatlngzoom(ll,15));

try 

    mapa.movecamera(cameraupdatefactory.newlatlngzoom(ll,2));

the zoom value high think.

good luck


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