add android main

src/components/main/servo.rc

@@ -101,9 +101,24 @@ pub mod util;
 #[cfg(not(test))]
 #[start]
 fn start(argc: int, argv: **u8, crate_map: *u8) -> int {
+    #[cfg(target_os="linux")]
+    #[cfg(target_os="macos")]
+    fn getopts() -> Opts {
+        opts::from_cmdline_args(os::args())
+    }
+    #[cfg(target_os="android")]
+    fn getopts() -> Opts {
+        let mut args:~[~str] = ~[];
+        args.push(~"servo");
+        let servo_url = os::getenv(~"SERVO_URL");
+        match servo_url {
+            Some(s) => { args.push(s); },
+            None => { fail!("No url input"); }
+        }
+        opts::from_cmdline_args(args)
+    }
     do std::rt::start_on_main_thread(argc, argv, crate_map) {
-        let opts = opts::from_cmdline_args(os::args());
-        run(opts)
+        run(getopts())
     }
 }