diff --git a/.idea/libraries/Dart_Packages.xml b/.idea/libraries/Dart_Packages.xml
index ddde673..47617b6 100644
--- a/.idea/libraries/Dart_Packages.xml
+++ b/.idea/libraries/Dart_Packages.xml
@@ -75,14 +75,14 @@
         <entry key="flutter">
           <value>
             <list>
-              <option value="$USER_HOME$/flutter/packages/flutter/lib" />
+              <option value="$USER_HOME$/Downloads/Android/sdk/flutter/packages/flutter/lib" />
             </list>
           </value>
         </entry>
         <entry key="flutter_test">
           <value>
             <list>
-              <option value="$USER_HOME$/flutter/packages/flutter_test/lib" />
+              <option value="$USER_HOME$/Downloads/Android/sdk/flutter/packages/flutter_test/lib" />
             </list>
           </value>
         </entry>
@@ -292,7 +292,7 @@
         <entry key="sky_engine">
           <value>
             <list>
-              <option value="$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib" />
+              <option value="$USER_HOME$/Downloads/Android/sdk/flutter/bin/cache/pkg/sky_engine/lib" />
             </list>
           </value>
         </entry>
@@ -466,9 +466,9 @@
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/watcher-0.9.7+10/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.9/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.15/lib" />
-      <root url="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib" />
-      <root url="file://$USER_HOME$/flutter/packages/flutter/lib" />
-      <root url="file://$USER_HOME$/flutter/packages/flutter_test/lib" />
+      <root url="file://$USER_HOME$/Downloads/Android/sdk/flutter/bin/cache/pkg/sky_engine/lib" />
+      <root url="file://$USER_HOME$/Downloads/Android/sdk/flutter/packages/flutter/lib" />
+      <root url="file://$USER_HOME$/Downloads/Android/sdk/flutter/packages/flutter_test/lib" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/lib/network/Github.dart b/lib/network/Github.dart
index b33ed5e..f935967 100644
--- a/lib/network/Github.dart
+++ b/lib/network/Github.dart
@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:LoginUI/ui/AppConstants.dart';
+import 'package:LoginUI/utils/SharedPrefs.dart';
 import 'package:http/http.dart' as http;
 import 'package:url_launcher/url_launcher.dart';
 
@@ -173,4 +174,25 @@ class Github {
     return http.post(authorizeBasicUrl,
         headers: {'Authorization': authrorization}, body: json.encode(map));
   }
+
+  static void _defaultUnAuthFunc(){}
+
+  /**
+   * this method will check if response is valid or not on basis of Response code.
+   * Optional param [onUnAuthorize] onUnauthorize will be called when response is unAuthorized.
+   * returns boolean as final response.
+   */
+  static bool  isValidResponse(http.Response response,{Function() onUnAuthorize:_defaultUnAuthFunc,bool clearAccessToken : false} ){
+    switch(response.statusCode){
+      case 200 : return true;
+      case 401 : onUnAuthorize();
+                if(clearAccessToken)SharedPrefs().saveToken("");
+           return false;//UnAuthorized
+      case 404: return false;
+    }
+
+    return true;
+  }
+
+
 }