fix some texts

src/main/res/values/strings.xml

@@ -60,7 +60,7 @@
   <string name="port_alert">The port number should be greater than 1024</string>
   <string name="port_empty">Port should not be empty</string>
   <string name="proxy_empty">Proxy should not be empty</string>
-  <string name="crash_alert">An unexpected exit detected, context has been recovered
+  <string name="crash_alert">An unexpected exit detected, the context has been reset.
   </string>
   <string name="connecting">Connecting…</string>
   <string name="initializing">Initializing…</string>

src/main/scala/com/github/shadowsocks/Shadowsocks.scala

@@ -568,6 +568,7 @@ class Shadowsocks
         }
       }
       case _ => {
+        clearDialog()
         Log.e(Shadowsocks.TAG, "Failed to start VpnService")
       }
     }