diff --git a/flutter_hbb/lib/common.dart b/flutter_hbb/lib/common.dart
index faa62fe64..ba1e65282 100644
--- a/flutter_hbb/lib/common.dart
+++ b/flutter_hbb/lib/common.dart
@@ -189,55 +189,59 @@ Future<Null> enterPasswordDialog(String id, BuildContext context) async {
   _hasDialog = true;
   final controller = TextEditingController();
   var remember = FFI.getByName('remember', arg: id) == 'true';
-  var dialog = AlertDialog(
-    title: Text('Please enter your password'),
-    contentPadding: const EdgeInsets.all(20.0),
-    content: Column(
-      mainAxisSize: MainAxisSize.min,
-      children: [
-        TextField(
-          autofocus: true,
-          obscureText: true,
-          controller: controller,
-          decoration: const InputDecoration(
-            labelText: 'Password',
+  var dialog = StatefulBuilder(builder: (context, setState) {
+    return AlertDialog(
+      title: Text('Please enter your password'),
+      contentPadding: const EdgeInsets.all(20.0),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          TextField(
+            autofocus: true,
+            obscureText: true,
+            controller: controller,
+            decoration: const InputDecoration(
+              labelText: 'Password',
+            ),
           ),
+          ListTile(
+            title: Text(
+              'Remember the password',
+            ),
+            leading: Checkbox(
+              value: remember,
+              onChanged: (v) {
+                setState(() {
+                  remember = v;
+                });
+              },
+            ),
+          ),
+        ],
+      ),
+      actions: [
+        FlatButton(
+          textColor: MyTheme.accent,
+          onPressed: () {
+            Navigator.pop(context);
+            Navigator.pop(context);
+          },
+          child: Text('Cancel'),
         ),
-        ListTile(
-          title: Text(
-            'Remember the password',
-          ),
-          leading: Checkbox(
-            value: remember,
-            onChanged: (v) {
-              remember = v;
-            },
-          ),
+        FlatButton(
+          textColor: MyTheme.accent,
+          onPressed: () {
+            var text = controller.text.trim();
+            if (text == '') return;
+            FFI.login(text, remember);
+            showLoading('Logging in...');
+            Navigator.pop(context);
+          },
+          child: Text('OK'),
         ),
       ],
-    ),
-    actions: [
-      FlatButton(
-        textColor: MyTheme.accent,
-        onPressed: () {
-          Navigator.pop(context);
-          Navigator.pop(context);
-        },
-        child: Text('Cancel'),
-      ),
-      FlatButton(
-        textColor: MyTheme.accent,
-        onPressed: () {
-          var text = controller.text.trim();
-          if (text == '') return;
-          FFI.login(text, remember);
-          showLoading('Logging in...');
-          Navigator.pop(context);
-        },
-        child: Text('OK'),
-      ),
-    ],
-  );
+    );
+  });
   await showDialog<void>(
       context: context,
       barrierDismissible: false,
diff --git a/flutter_hbb/lib/remote_page.dart b/flutter_hbb/lib/remote_page.dart
index 78a1c0839..50813fdb5 100644
--- a/flutter_hbb/lib/remote_page.dart
+++ b/flutter_hbb/lib/remote_page.dart
@@ -3,6 +3,7 @@ import 'common.dart';
 import 'package:flutter/services.dart';
 import 'dart:ui' as ui;
 import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'dart:convert';
 import 'dart:async';
 
 class RemotePage extends StatefulWidget {
@@ -17,11 +18,9 @@ class RemotePage extends StatefulWidget {
 // https://github.com/hanxu317317/flutter_plan_demo/blob/master/lib/src/enter.dart
 class _RemotePageState extends State<RemotePage> {
   Timer _interval;
-  int x = 0;
-  int y = 0;
-  int width = 0;
-  int height = 0;
-  ui.Image image;
+  ui.Image _image;
+  PeerInfo _pi = PeerInfo();
+  Display _display = Display();
 
   @override
   void initState() {
@@ -44,22 +43,61 @@ class _RemotePageState extends State<RemotePage> {
 
   void interval() {
     var evt = FFI.popEvent();
-    if (evt == null) return;
-    var name = evt['name'];
-    if (name == 'msgbox') {
-      handleMsgbox(evt);
+    if (evt != null) {
+      var name = evt['name'];
+      if (name == 'msgbox') {
+        handleMsgbox(evt);
+      } else if (name == 'peer_info') {
+        handlePeerInfo(evt);
+      } else if (name == 'switch_display') {
+        handleSwitchDisplay(evt);
+      }
     }
     var rgba = FFI.getRgba();
     if (rgba != null) {
-      ui.decodeImageFromPixels(rgba, width, height, ui.PixelFormat.rgba8888,
-          (_image) {
+      ui.decodeImageFromPixels(
+          rgba, _display.width, _display.height, ui.PixelFormat.bgra8888,
+          (__image) {
         setState(() {
-          image = _image;
+          _image = __image;
         });
       });
     }
   }
 
+  void handleSwitchDisplay(Map<String, dynamic> evt) {
+    _pi.currentDisplay = int.parse(evt['display']);
+    _display.x = int.parse(evt['x']);
+    _display.y = int.parse(evt['y']);
+    _display.width = int.parse(evt['width']);
+    _display.height = int.parse(evt['height']);
+    setState(() {});
+  }
+
+  void handlePeerInfo(Map<String, dynamic> evt) {
+    dismissLoading();
+    _pi.username = evt['username'];
+    _pi.hostname = evt['hostname'];
+    _pi.platform = evt['platform'];
+    _pi.sasEnabled = evt['sas_enabled'] == "true";
+    _pi.currentDisplay = int.parse(evt['current_display']);
+    List<dynamic> displays = json.decode(evt['displays']);
+    _pi.displays = List<Display>();
+    for (int i = 0; i < displays.length; ++i) {
+      Map<String, dynamic> d0 = displays[i];
+      var d = Display();
+      d.x = d0['x'];
+      d.y = d0['y'];
+      d.width = d0['width'];
+      d.height = d0['height'];
+      _pi.displays.add(d);
+    }
+    if (_pi.currentDisplay < _pi.displays.length) {
+      _display = _pi.displays[_pi.currentDisplay];
+    }
+    setState(() {});
+  }
+
   void handleMsgbox(Map<String, dynamic> evt) {
     var type = evt['type'];
     var title = evt['title'];
@@ -81,9 +119,11 @@ class _RemotePageState extends State<RemotePage> {
     SystemChrome.setEnabledSystemUIOverlays([]);
     return FlutterEasyLoading(
         child: GestureDetector(
-            child: CustomPaint(
-              painter: new ImageEditor(image: image),
-            ),
+            child: Container(
+                child: CustomPaint(
+                  painter: new ImageEditor(image: _image),
+                ),
+                color: MyTheme.grayBg),
             onPanStart: (DragDownDetails) {
               print('onPanStart $DragDownDetails');
               // hero.moveTo(DragDownDetails.globalPosition.dx, DragDownDetails.globalPosition.dy);
@@ -113,3 +153,19 @@ class ImageEditor extends CustomPainter {
     return oldDelegate != this;
   }
 }
+
+class Display {
+  int x = 0;
+  int y = 0;
+  int width = 0;
+  int height = 0;
+}
+
+class PeerInfo {
+  String username;
+  String hostname;
+  String platform;
+  bool sasEnabled;
+  int currentDisplay;
+  List<Display> displays;
+}