propose to fix issues 4 and 5

weibo.sdk.android.sso.demo/src/com/weibo/sdk/android/WeiboDialog.java

@@ -103,6 +103,12 @@ protected void onBack() {
 		dismiss();
 	}
 
+	@Override
+	public void cancel(){
+		mListener.onCancel();
+		super.cancel();
+	}
+
 	private void setUpWebView() {
 		webViewContainer = new RelativeLayout(getContext());
 		mWebView = new WebView(getContext());

weibo.sdk.android.sso.demo/src/com/weibo/sdk/android/net/HttpManager.java

@@ -5,6 +5,8 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.lang.reflect.Field;
+import java.net.InetAddress;
 import java.net.Socket;
 import java.net.UnknownHostException;
 import java.security.KeyManagementException;
@@ -200,13 +202,23 @@ public X509Certificate[] getAcceptedIssuers() {
 		@Override
 		public Socket createSocket(Socket socket, String host, int port, boolean autoClose)
 				throws IOException, UnknownHostException {
+			injectHostname(socket, host);
 			return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
 		}
 
 		@Override
 		public Socket createSocket() throws IOException {
 			return sslContext.getSocketFactory().createSocket();
 		}
+
+		private void injectHostname(Socket socket, String host) {
+            try {
+                Field field = InetAddress.class.getDeclaredField("hostName");
+                field.setAccessible(true);
+                field.set(socket.getInetAddress(), host);
+            } catch (Exception ignored) {
+            }
+        }
 	}
 
 	private static void paramToUpload(OutputStream baos, WeiboParameters params)