make the checked icon solid, and white in middle

Looks like crap when translucent and you see through it

xwords4/android/app/src/main/res/drawable/ic_check_circle.xml

@@ -6,4 +6,8 @@
   <path
       android:fillColor="#FF000000"
       android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM10,17l-5,-5 1.41,-1.41L10,14.17l7.59,-7.59L19,8l-9,9z"/>
+  <path
+      android:pathData="m7.5321,14.4549 l-2.4631,-2.4639 0.6683,-0.6655 0.6683,-0.6655 0.249,0.2595c0.137,0.1427 0.955,0.9419 1.8178,1.7761l1.5687,1.5166 3.7894,-3.7889 3.7894,-3.7889 0.6638,0.6665 0.6638,0.6665 -4.4761,4.4757 -4.4761,4.4757z"
+      android:strokeWidth="2.30145574"
+      android:fillColor="#ffffff"/>
 </vector>

xwords4/android/app/src/main/res/layout/game_list_item.xml

@@ -46,7 +46,6 @@
                        android:layout_height="30dp"
                        android:layout_centerInParent="true"
                        android:src="@drawable/ic_check_circle"
-                       android:alpha="0.7"
                        android:visibility="gone"
                        />
             <ImageView android:id="@+id/has_chat_marker"

xwords4/android/img_src/check_circle.svg

@@ -1 +1,62 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24"><path d="M0 0h24v24H0z" fill="none"/><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   height="24"
+   viewBox="0 0 24 24"
+   width="24"
+   version="1.1"
+   id="svg6"
+   sodipodi:docname="check_circle.svg"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)">
+  <metadata
+     id="metadata12">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1009"
+     inkscape:window-height="980"
+     id="namedview8"
+     showgrid="false"
+     inkscape:zoom="13.906433"
+     inkscape:cx="12.20339"
+     inkscape:cy="12"
+     inkscape:window-x="1208"
+     inkscape:window-y="2149"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg6" />
+  <path
+     d="M0 0h24v24H0z"
+     fill="none"
+     id="path2" />
+  <path
+     d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"
+     id="path4" />
+  <path
+     style="fill:#ffffff;fill-opacity:1;stroke-width:2.30145574;stroke-miterlimit:4;stroke-dasharray:none"
+     d="m 7.5320687,14.454883 -2.4631049,-2.463882 0.6683116,-0.665533 0.6683117,-0.665532 0.2490486,0.259455 c 0.1369769,0.142701 0.9549682,0.941941 1.8177586,1.77609 l 1.5687097,1.516633 3.78936,-3.788854 3.789361,-3.7888542 0.663756,0.6665273 0.663755,0.6665272 -4.476081,4.4756517 -4.4760814,4.475652 z"
+     id="path14"
+     inkscape:connector-curvature="0" />
+</svg>