map: replace 'Loading..' with progress bar

mapview.xml.tpl

@@ -11,16 +11,13 @@
 	android:clickable="true"
 	android:apiKey="@apiKey@"
 	/>
-<TextView 
+<ProgressBar
+	style="@android:style/Widget.ProgressBar.Large.Inverse"
 	android:id="@+id/loading"
-	android:layout_width="fill_parent"
-	android:layout_height="wrap_content"
-	android:layout_gravity="center_horizontal"
 	android:padding="10sp"
-	android:textColor="#000"
+	android:layout_width="76dip"
-	android:shadowColor="#fff"
+	android:layout_height="76dip"
-	android:shadowRadius="3.0"
+	android:gravity="right|top"
-	android:textSize="25sp"
+	android:indeterminate="true"
-	android:text="@string/map_loading"
 	/>
 </FrameLayout>

src/MapAct.scala

@@ -23,7 +23,7 @@ class MapAct extends MapActivity with UIHelper {
 	lazy val allicons = this.getResources().getDrawable(R.drawable.allicons)
 	lazy val db = StorageDatabase.open(this)
 	lazy val staoverlay = new StationOverlay(allicons, this, db)
-	lazy val loading = findViewById(R.id.loading).asInstanceOf[TextView]
+	lazy val loading = findViewById(R.id.loading)
 	lazy val targetcall = getTargetCall()
 
 	var showObjects = false