diff --git a/line-sdk/build.gradle b/line-sdk/build.gradle
index 1c4f386..d3967a2 100644
--- a/line-sdk/build.gradle
+++ b/line-sdk/build.gradle
@@ -1,7 +1,6 @@
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-parcelize'
-apply plugin: 'kotlin-kapt'
 
 apply plugin: 'maven-publish'
 apply plugin: 'signing'
@@ -21,10 +20,6 @@ android {
         buildConfigField 'String', 'VERSION_NAME', "\"${defaultConfig.versionName}\""
     }
 
-    dataBinding {
-        enabled = true
-    }
-
     viewBinding {
         enabled = true
     }
diff --git a/line-sdk/src/main/java/com/linecorp/linesdk/openchat/ui/OpenChatInfoFragment.kt b/line-sdk/src/main/java/com/linecorp/linesdk/openchat/ui/OpenChatInfoFragment.kt
index 4025141..47bef0e 100644
--- a/line-sdk/src/main/java/com/linecorp/linesdk/openchat/ui/OpenChatInfoFragment.kt
+++ b/line-sdk/src/main/java/com/linecorp/linesdk/openchat/ui/OpenChatInfoFragment.kt
@@ -30,8 +30,6 @@ class OpenChatInfoFragment : Fragment() {
         savedInstanceState: Bundle?
     ): View? {
         binding = OpenChatInfoFragmentBinding.inflate(inflater, container, false)
-        binding.lifecycleOwner = this
-
         return binding.root
     }
 
@@ -44,7 +42,6 @@ class OpenChatInfoFragment : Fragment() {
 
     private fun setupViewModel() {
         viewModel = ViewModelProvider(requireActivity()).get(OpenChatInfoViewModel::class.java)
-        binding.viewModel = viewModel
 
         viewModel.chatroomName.observe(this, Observer { name ->
             binding.nameMaxTextView.text =
@@ -61,6 +58,10 @@ class OpenChatInfoFragment : Fragment() {
                 binding.categoryLabelTextView.text = resources.getString(resourceId)
             }
         })
+
+        viewModel.isSearchIncluded.observe(this, Observer { isSearchIncluded ->
+            binding.searchIncludedCheckBox.isChecked = isSearchIncluded
+        })
     }
 
     private fun setupViews() {
diff --git a/line-sdk/src/main/java/com/linecorp/linesdk/openchat/ui/ProfileInfoFragment.kt b/line-sdk/src/main/java/com/linecorp/linesdk/openchat/ui/ProfileInfoFragment.kt
index fae3c77..37913d5 100644
--- a/line-sdk/src/main/java/com/linecorp/linesdk/openchat/ui/ProfileInfoFragment.kt
+++ b/line-sdk/src/main/java/com/linecorp/linesdk/openchat/ui/ProfileInfoFragment.kt
@@ -30,8 +30,6 @@ class ProfileInfoFragment : Fragment() {
         savedInstanceState: Bundle?
     ): View? {
         binding = ProfileInfoFragmentBinding.inflate(inflater, container, false)
-        binding.lifecycleOwner = this
-
         return binding.root
     }
 
@@ -39,7 +37,9 @@ class ProfileInfoFragment : Fragment() {
         super.onActivityCreated(savedInstanceState)
 
         viewModel = ViewModelProvider(requireActivity()).get(OpenChatInfoViewModel::class.java)
-        binding.viewModel = viewModel
+        viewModel.profileName.observe(this,
+            Observer { name -> binding.displayNameEditText.setText(name)}
+        )
 
         setupViews()
     }
diff --git a/line-sdk/src/main/res/layout/open_chat_info_fragment.xml b/line-sdk/src/main/res/layout/open_chat_info_fragment.xml
index d921f77..47bf66b 100644
--- a/line-sdk/src/main/res/layout/open_chat_info_fragment.xml
+++ b/line-sdk/src/main/res/layout/open_chat_info_fragment.xml
@@ -1,234 +1,222 @@
 <?xml version="1.0" encoding="utf-8"?>
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    tools:context=".openchat.ui.OpenChatInfoFragment">
+    tools:context=".openchat.ui.OpenChatInfoFragment"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/openchat_background">
 
-    <data>
-
-        <variable
-            name="viewModel"
-            type="com.linecorp.linesdk.openchat.ui.OpenChatInfoViewModel" />
-    </data>
-
-    <ScrollView
+    <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:background="@color/openchat_background">
-
-        <androidx.constraintlayout.widget.ConstraintLayout
-            android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/background"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp">
+
+        <EditText
+            android:id="@+id/nameEditText"
+            android:layout_width="0dp"
+            android:layout_height="121dp"
+            android:layout_marginEnd="13dp"
+            android:background="@color/background"
+            android:drawablePadding="18dp"
+            android:gravity="center_vertical"
+            android:inputType="text"
+            android:hint="@string/openchat_create_room_name_placeholder"
+            android:imeOptions="actionNext"
+            android:includeFontPadding="true"
+            android:maxLength="@integer/max_chatroom_name_length"
+            android:paddingTop="30dp"
+            android:paddingBottom="19dp"
+            android:textColor="@color/target_item_text"
+            android:textColorHint="@color/text_hint"
+            android:textSize="18sp"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            android:importantForAutofill="no" />
+
+        <TextView
+            android:id="@+id/nameMaxTextView"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_gravity="end"
+            android:layout_marginBottom="10dp"
+            android:textColor="@color/text_hint"
+            android:textSize="13sp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/nameEditText"
+            tools:text="3/50" />
+
+        <View
+            android:id="@+id/name_divider"
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:layout_marginTop="10dp"
+            android:background="@color/openchat_divider"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/nameMaxTextView" />
+
+        <EditText
+            android:id="@+id/descriptionEditText"
+            android:layout_width="0dp"
+            android:layout_height="112dp"
             android:background="@color/background"
-            android:paddingStart="16dp"
-            android:paddingEnd="16dp">
-
-            <EditText
-                android:id="@+id/nameEditText"
-                android:layout_width="0dp"
-                android:layout_height="121dp"
-                android:layout_marginEnd="13dp"
-                android:background="@color/background"
-                android:drawablePadding="18dp"
-                android:gravity="center_vertical"
-                android:inputType="text"
-                android:hint="@string/openchat_create_room_name_placeholder"
-                android:imeOptions="actionNext"
-                android:includeFontPadding="true"
-                android:maxLength="@integer/max_chatroom_name_length"
-                android:paddingTop="30dp"
-                android:paddingBottom="19dp"
-                android:text="@{viewModel.chatroomName}"
-                android:textColor="@color/target_item_text"
-                android:textColorHint="@color/text_hint"
-                android:textSize="18sp"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toTopOf="parent"
-                android:importantForAutofill="no" />
-
-            <TextView
-                android:id="@+id/nameMaxTextView"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_gravity="end"
-                android:layout_marginBottom="10dp"
-                android:textColor="@color/text_hint"
-                android:textSize="13sp"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/nameEditText"
-                tools:text="3/50" />
-
-            <View
-                android:id="@+id/name_divider"
-                android:layout_width="0dp"
-                android:layout_height="1dp"
-                android:layout_marginTop="10dp"
-                android:background="@color/openchat_divider"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/nameMaxTextView" />
-
-            <EditText
-                android:id="@+id/descriptionEditText"
-                android:layout_width="0dp"
-                android:layout_height="112dp"
-                android:background="@color/background"
-                android:drawablePadding="18dp"
-                android:gravity="center_vertical"
-                android:hint="@string/openchat_create_room_description_placeholder"
-                android:includeFontPadding="true"
-                android:maxLength="@integer/max_chatroom_description_length"
-                android:paddingTop="12dp"
-                android:paddingBottom="12dp"
-                android:inputType="text"
-                android:text="@{viewModel.description}"
-                android:textColor="@color/target_item_text"
-                android:textColorHint="@color/text_hint"
-                android:textSize="15sp"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/name_divider"
-                android:importantForAutofill="no" />
-
-            <TextView
-                android:id="@+id/descriptionMaxTextView"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_below="@id/descriptionEditText"
-                android:layout_marginBottom="9dp"
-                android:gravity="center_vertical"
-                android:textColor="@color/openchat_text_color"
-                android:textSize="13sp"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/descriptionEditText"
-                tools:text="8/200" />
-
-            <TextView
-                android:id="@+id/description_detail"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_marginBottom="9dp"
-                android:gravity="center_vertical"
-                android:text="@string/openchat_create_room_description_guide"
-                android:textColor="@color/openchat_text_color"
-                android:textSize="13sp"
-                app:layout_constraintRight_toLeftOf="@+id/descriptionMaxTextView"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/descriptionEditText" />
-
+            android:drawablePadding="18dp"
+            android:gravity="center_vertical"
+            android:hint="@string/openchat_create_room_description_placeholder"
+            android:includeFontPadding="true"
+            android:maxLength="@integer/max_chatroom_description_length"
+            android:paddingTop="12dp"
+            android:paddingBottom="12dp"
+            android:inputType="text"
+            android:textColor="@color/target_item_text"
+            android:textColorHint="@color/text_hint"
+            android:textSize="15sp"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/name_divider"
+            android:importantForAutofill="no" />
+
+        <TextView
+            android:id="@+id/descriptionMaxTextView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/descriptionEditText"
+            android:layout_marginBottom="9dp"
+            android:gravity="center_vertical"
+            android:textColor="@color/openchat_text_color"
+            android:textSize="13sp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/descriptionEditText"
+            tools:text="8/200" />
+
+        <TextView
+            android:id="@+id/description_detail"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="9dp"
+            android:gravity="center_vertical"
+            android:text="@string/openchat_create_room_description_guide"
+            android:textColor="@color/openchat_text_color"
+            android:textSize="13sp"
+            app:layout_constraintRight_toLeftOf="@+id/descriptionMaxTextView"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/descriptionEditText" />
+
+
+        <View
+            android:id="@+id/description_divider"
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:layout_marginTop="10dp"
+            android:background="@color/openchat_divider"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/description_detail" />
+
+        <TextView
+            android:id="@+id/category_title"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:text="@string/openchat_create_room_category"
+            android:textColor="@color/target_item_text"
+            android:textSize="16sp"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/description_divider" />
+
+        <TextView
+            android:id="@+id/categoryLabelTextView"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="2dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@color/openchat_category"
+            android:textSize="14sp"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/category_title" />
+
+        <TextView
+            android:id="@+id/category_guide"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="2dp"
+            android:ellipsize="end"
+            android:maxLines="2"
+            android:text="@string/openchat_create_room_category_guide"
+            android:textColor="@color/openchat_text_color"
+            android:textSize="12sp"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/categoryLabelTextView" />
+
+        <View
+            android:id="@+id/category_divider"
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:layout_marginTop="10dp"
+            android:background="@color/openchat_divider"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/category_guide" />
 
-            <View
-                android:id="@+id/description_divider"
-                android:layout_width="0dp"
-                android:layout_height="1dp"
-                android:layout_marginTop="10dp"
-                android:background="@color/openchat_divider"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/description_detail" />
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/searchIncludedContainer"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:minHeight="67dp"
+            android:orientation="vertical"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/category_divider">
 
             <TextView
-                android:id="@+id/category_title"
+                android:id="@+id/search_title"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="12dp"
                 android:ellipsize="end"
                 android:maxLines="1"
-                android:text="@string/openchat_create_room_category"
+                android:text="@string/openchat_create_room_search"
                 android:textColor="@color/target_item_text"
                 android:textSize="16sp"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/description_divider" />
-
-            <TextView
-                android:id="@+id/categoryLabelTextView"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="2dp"
-                android:ellipsize="end"
-                android:maxLines="1"
-                android:textColor="@color/openchat_category"
-                android:textSize="14sp"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/category_title" />
+                app:layout_constraintTop_toTopOf="parent" />
 
             <TextView
-                android:id="@+id/category_guide"
+                android:id="@+id/search_description"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="2dp"
                 android:ellipsize="end"
                 android:maxLines="2"
-                android:text="@string/openchat_create_room_category_guide"
+                android:text="@string/openchat_create_room_search_guide"
                 android:textColor="@color/openchat_text_color"
                 android:textSize="12sp"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/categoryLabelTextView" />
-
-            <View
-                android:id="@+id/category_divider"
-                android:layout_width="0dp"
-                android:layout_height="1dp"
-                android:layout_marginTop="10dp"
-                android:background="@color/openchat_divider"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/category_guide" />
+                app:layout_constraintEnd_toStartOf="@+id/searchIncludedCheckBox"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/search_title" />
 
-            <androidx.constraintlayout.widget.ConstraintLayout
-                android:id="@+id/searchIncludedContainer"
-                android:layout_width="0dp"
+            <CheckBox
+                android:id="@+id/searchIncludedCheckBox"
+                android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:minHeight="67dp"
-                android:orientation="vertical"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/category_divider">
-
-                <TextView
-                    android:id="@+id/search_title"
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="12dp"
-                    android:ellipsize="end"
-                    android:maxLines="1"
-                    android:text="@string/openchat_create_room_search"
-                    android:textColor="@color/target_item_text"
-                    android:textSize="16sp"
-                    app:layout_constraintLeft_toLeftOf="parent"
-                    app:layout_constraintRight_toRightOf="parent"
-                    app:layout_constraintTop_toTopOf="parent" />
-
-                <TextView
-                    android:id="@+id/search_description"
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="2dp"
-                    android:ellipsize="end"
-                    android:maxLines="2"
-                    android:text="@string/openchat_create_room_search_guide"
-                    android:textColor="@color/openchat_text_color"
-                    android:textSize="12sp"
-                    app:layout_constraintEnd_toStartOf="@+id/searchIncludedCheckBox"
-                    app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@+id/search_title" />
-
-                <CheckBox
-                    android:id="@+id/searchIncludedCheckBox"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:button="@drawable/list_checkbox_img"
-                    android:checked="@{viewModel.isSearchIncluded}"
-                    android:clickable="true"
-                    android:focusable="true"
-                    app:layout_constraintBottom_toBottomOf="parent"
-                    app:layout_constraintEnd_toEndOf="parent"
-                    app:layout_constraintTop_toTopOf="parent" />
-            </androidx.constraintlayout.widget.ConstraintLayout>
+                android:button="@drawable/list_checkbox_img"
+                android:clickable="true"
+                android:focusable="true"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
         </androidx.constraintlayout.widget.ConstraintLayout>
-    </ScrollView>
-</layout>
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</ScrollView>
\ No newline at end of file
diff --git a/line-sdk/src/main/res/layout/profile_info_fragment.xml b/line-sdk/src/main/res/layout/profile_info_fragment.xml
index 3a37612..12d4263 100644
--- a/line-sdk/src/main/res/layout/profile_info_fragment.xml
+++ b/line-sdk/src/main/res/layout/profile_info_fragment.xml
@@ -1,15 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<layout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools">
-
-    <data>
-        <variable
-            name="viewModel"
-            type="com.linecorp.linesdk.openchat.ui.OpenChatInfoViewModel" />
-    </data>
-    <androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="@color/background"
@@ -33,7 +26,6 @@
         android:textColorHint="@color/text_hint"
         android:textSize="18sp"
         android:maxLength="@integer/max_profile_name_length"
-        android:text="@{viewModel.profileName}"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
@@ -50,5 +42,4 @@
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/displayNameEditText" />
 
-    </androidx.constraintlayout.widget.ConstraintLayout>
-</layout>
+</androidx.constraintlayout.widget.ConstraintLayout>