android-studio: Add desktop item

pkgs/applications/editors/android-studio/common.nix

@@ -34,11 +34,12 @@
 , writeTextFile
 , xkeyboard_config
 , zlib
+, makeDesktopItem
 }:
 
 let
   drvName = "android-studio-${channel}-${version}";
-  androidStudio = stdenv.mkDerivation {
+  androidStudio = stdenv.mkDerivation rec {
     name = drvName;
 
     src = fetchurl {
@@ -110,7 +111,20 @@ let
         ]}" \
         --set QT_XKB_CONFIG_ROOT "${xkeyboard_config}/share/X11/xkb" \
         --set FONTCONFIG_FILE ${fontsConf}
+
+        install -Dm644 bin/studio.png $out/share/pixmaps/${drvName}.png
+        ln -s ${desktopItem}/share/applications $out/share/applications
     '';
+
+    desktopItem = makeDesktopItem rec {
+      name = drvName;
+      exec = pname;
+      icon = drvName;
+      desktopName = "Android Studio";
+      comment = "The official Android IDE";
+      categories = "Development;IDE;";
+    };
+
   };
 
   # Android Studio downloads prebuilt binaries as part of the SDK. These tools
@@ -121,8 +135,7 @@ let
     multiPkgs = pkgs: [ pkgs.ncurses5 ];
   };
 
-in
+  wrapper = writeTextFile {
-  writeTextFile {
     name = "${drvName}-wrapper";
     # TODO: Rename preview -> beta (and add -stable suffix?):
     destination = "/bin/${pname}";
@@ -131,7 +144,18 @@ in
       #!${bash}/bin/bash
       ${fhsEnv}/bin/${drvName}-fhs-env ${androidStudio}/bin/studio.sh
     '';
-  } // {
+  };
+in stdenv.mkDerivation {
+  name = "${drvName}-with-desktop-item";
+
+  buildCommand = ''
+    mkdir -p $out/{bin,share/pixmaps}
+    ln -s ${wrapper}/bin/${pname} $out/bin/${pname}
+
+    ln -s ${androidStudio}/share/pixmaps/${drvName}.png $out/share/pixmaps/${drvName}.png
+    ln -s ${androidStudio}/share/applications $out/share/applications
+  '';
+
   meta = with stdenv.lib; {
     description = "The Official IDE for Android (${channel} channel)";
     longDescription = ''