diff --git a/demo-app/src/main/AndroidManifest.xml b/demo-app/src/main/AndroidManifest.xml
index 80d8835..6d25741 100644
--- a/demo-app/src/main/AndroidManifest.xml
+++ b/demo-app/src/main/AndroidManifest.xml
@@ -12,8 +12,7 @@
 
         <activity
             android:name=".ui.activity.MainActivity"
-            android:exported="true"
-            android:screenOrientation="behind">
+            android:exported="true">
 
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -25,7 +24,6 @@
         <activity
             android:name=".ui.activity.MainActivity$MultiProcessActivity"
             android:exported="false"
-            android:process=":multi_process"
-            android:screenOrientation="behind" />
+            android:process=":multi_process" />
     </application>
 </manifest>
\ No newline at end of file
diff --git a/demo-app/src/main/res/layout/activity_main.xml b/demo-app/src/main/res/layout/activity_main.xml
index d542816..b0e80fe 100644
--- a/demo-app/src/main/res/layout/activity_main.xml
+++ b/demo-app/src/main/res/layout/activity_main.xml
@@ -55,93 +55,108 @@
         android:textColor="@color/colorTextDark"
         android:textSize="13sp" />
 
-    <TextView
-        android:id="@+id/throw_runtime_button"
+    <androidx.core.widget.NestedScrollView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginLeft="10dp"
-        android:layout_marginRight="10dp"
-        android:layout_marginBottom="10dp"
-        android:background="@drawable/bg_button_round"
-        android:gravity="center"
-        android:padding="10dp"
-        android:singleLine="true"
-        android:text="@string/throw_runtime"
-        android:textColor="@color/colorTextGray"
-        android:textSize="15sp" />
+        android:fadingEdgeLength="10dp"
+        android:fillViewport="true"
+        android:paddingBottom="10dp"
+        android:requiresFadingEdge="vertical"
+        android:scrollbars="none">
 
-    <TextView
-        android:id="@+id/throw_illegal_state_button"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="10dp"
-        android:layout_marginRight="10dp"
-        android:layout_marginBottom="10dp"
-        android:background="@drawable/bg_button_round"
-        android:gravity="center"
-        android:padding="10dp"
-        android:singleLine="true"
-        android:text="@string/throw_illegalstate"
-        android:textColor="@color/colorTextGray"
-        android:textSize="15sp" />
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
 
-    <TextView
-        android:id="@+id/throw_null_pointer_button"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="10dp"
-        android:layout_marginRight="10dp"
-        android:layout_marginBottom="10dp"
-        android:background="@drawable/bg_button_round"
-        android:gravity="center"
-        android:padding="10dp"
-        android:singleLine="true"
-        android:text="@string/throw_nullpointer"
-        android:textColor="@color/colorTextGray"
-        android:textSize="15sp" />
+            <TextView
+                android:id="@+id/throw_runtime_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="10dp"
+                android:layout_marginRight="10dp"
+                android:layout_marginBottom="10dp"
+                android:background="@drawable/bg_button_round"
+                android:gravity="center"
+                android:padding="10dp"
+                android:singleLine="true"
+                android:text="@string/throw_runtime"
+                android:textColor="@color/colorTextGray"
+                android:textSize="15sp" />
 
-    <TextView
-        android:id="@+id/throw_exception_button"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="10dp"
-        android:layout_marginRight="10dp"
-        android:layout_marginBottom="10dp"
-        android:background="@drawable/bg_button_round"
-        android:gravity="center"
-        android:padding="10dp"
-        android:singleLine="true"
-        android:text="@string/throw_exception"
-        android:textColor="@color/colorTextGray"
-        android:textSize="15sp" />
+            <TextView
+                android:id="@+id/throw_illegal_state_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="10dp"
+                android:layout_marginRight="10dp"
+                android:layout_marginBottom="10dp"
+                android:background="@drawable/bg_button_round"
+                android:gravity="center"
+                android:padding="10dp"
+                android:singleLine="true"
+                android:text="@string/throw_illegalstate"
+                android:textColor="@color/colorTextGray"
+                android:textSize="15sp" />
 
-    <TextView
-        android:id="@+id/throw_native_error_button"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="10dp"
-        android:layout_marginRight="10dp"
-        android:layout_marginBottom="10dp"
-        android:background="@drawable/bg_button_round"
-        android:gravity="center"
-        android:padding="10dp"
-        android:singleLine="true"
-        android:text="@string/throw_native_error"
-        android:textColor="@color/colorTextGray"
-        android:textSize="15sp" />
+            <TextView
+                android:id="@+id/throw_null_pointer_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="10dp"
+                android:layout_marginRight="10dp"
+                android:layout_marginBottom="10dp"
+                android:background="@drawable/bg_button_round"
+                android:gravity="center"
+                android:padding="10dp"
+                android:singleLine="true"
+                android:text="@string/throw_nullpointer"
+                android:textColor="@color/colorTextGray"
+                android:textSize="15sp" />
 
-    <TextView
-        android:id="@+id/throw_multi_process_error_button"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="10dp"
-        android:layout_marginRight="10dp"
-        android:layout_marginBottom="10dp"
-        android:background="@drawable/bg_button_round"
-        android:gravity="center"
-        android:padding="10dp"
-        android:singleLine="true"
-        android:text="@string/throw_multi_process_error"
-        android:textColor="@color/colorTextGray"
-        android:textSize="15sp" />
+            <TextView
+                android:id="@+id/throw_exception_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="10dp"
+                android:layout_marginRight="10dp"
+                android:layout_marginBottom="10dp"
+                android:background="@drawable/bg_button_round"
+                android:gravity="center"
+                android:padding="10dp"
+                android:singleLine="true"
+                android:text="@string/throw_exception"
+                android:textColor="@color/colorTextGray"
+                android:textSize="15sp" />
+
+            <TextView
+                android:id="@+id/throw_native_error_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="10dp"
+                android:layout_marginRight="10dp"
+                android:layout_marginBottom="10dp"
+                android:background="@drawable/bg_button_round"
+                android:gravity="center"
+                android:padding="10dp"
+                android:singleLine="true"
+                android:text="@string/throw_native_error"
+                android:textColor="@color/colorTextGray"
+                android:textSize="15sp" />
+
+            <TextView
+                android:id="@+id/throw_multi_process_error_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="10dp"
+                android:layout_marginRight="10dp"
+                android:background="@drawable/bg_button_round"
+                android:gravity="center"
+                android:padding="10dp"
+                android:singleLine="true"
+                android:text="@string/throw_multi_process_error"
+                android:textColor="@color/colorTextGray"
+                android:textSize="15sp" />
+        </LinearLayout>
+    </androidx.core.widget.NestedScrollView>
 </LinearLayout>
\ No newline at end of file