SSXray for Android (#885)

client/android/src/org/amnezia/vpn/AmneziaActivity.kt

@@ -384,7 +384,8 @@ class AmneziaActivity : QtActivity() {
         getVpnProto(vpnConfig)?.let { proto ->
             Log.d(TAG, "Proto from config: $proto, current proto: $vpnProto")
             if (isServiceConnected) {
-                if (proto == vpnProto) {
+                if (proto.serviceClass == vpnProto?.serviceClass) {
+                    vpnProto = proto
                     connectToVpn(vpnConfig)
                     return
                 }

client/android/src/org/amnezia/vpn/VpnProto.kt

@@ -49,7 +49,15 @@ enum class VpnProto(
         "org.amnezia.vpn:amneziaXrayService",
         XrayService::class.java
     ) {
-        override fun createProtocol(): Protocol = Xray()
+        override fun createProtocol(): Protocol = Xray.instance
+    },
+
+    SSXRAY(
+        "SSXRay",
+        "org.amnezia.vpn:amneziaXrayService",
+        XrayService::class.java
+    ) {
+        override fun createProtocol(): Protocol = Xray.instance
     };
 
     private var _protocol: Protocol? = null