diff --git a/app/src/main/java/com/hippo/ehviewer/network/InetValidator.kt b/app/src/main/java/com/hippo/ehviewer/network/InetValidator.kt
deleted file mode 100644
index 89e3c298d..000000000
--- a/app/src/main/java/com/hippo/ehviewer/network/InetValidator.kt
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.network
-
-import java.util.regex.Pattern
-
-object InetValidator {
-    private const val IPV4_REGEX = "^(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$"
-    private val IPV4_PATTERN = Pattern.compile(IPV4_REGEX)
-
-    @JvmStatic
-    fun isValidInet4Address(inet4Address: String?): Boolean {
-        if (null == inet4Address) {
-            return false
-        }
-        val matcher = IPV4_PATTERN.matcher(inet4Address)
-        if (!matcher.find()) {
-            return false
-        }
-
-        // verify that address subgroups are legal
-        for (i in 1..4) {
-            val ipSegment = matcher.group(i)
-            if (ipSegment == null || ipSegment.isEmpty()) {
-                return false
-            }
-            val iIpSegment: Int = try {
-                ipSegment.toInt()
-            } catch (e: NumberFormatException) {
-                return false
-            }
-            if (iIpSegment > 255) {
-                return false
-            }
-            if (ipSegment.length > 1 && ipSegment.startsWith("0")) {
-                return false
-            }
-        }
-        return true
-    }
-
-    @JvmStatic
-    fun isValidInetPort(inetPort: Int): Boolean {
-        return inetPort in 0..65535
-    }
-}
diff --git a/app/src/main/res/drawable/big_filter.xml b/app/src/main/res/drawable/big_filter.xml
deleted file mode 100644
index 40d7aba1e..000000000
--- a/app/src/main/res/drawable/big_filter.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="120dp"
-    android:height="120dp"
-    android:tint="?colorTertiary"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="@string/pd_big_filter" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_adb_primary_x24.xml b/app/src/main/res/drawable/v_adb_primary_x24.xml
deleted file mode 100644
index 4bfd988f2..000000000
--- a/app/src/main/res/drawable/v_adb_primary_x24.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:tint="?colorPrimary"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="@string/pd_adb" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_check_dark_x24.xml b/app/src/main/res/drawable/v_check_dark_x24.xml
deleted file mode 100644
index f136a6969..000000000
--- a/app/src/main/res/drawable/v_check_dark_x24.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2018 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:tint="?attr/colorControlNormal"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="@string/pd_check" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_download_primary_x24.xml b/app/src/main/res/drawable/v_download_primary_x24.xml
deleted file mode 100644
index ae52d0cef..000000000
--- a/app/src/main/res/drawable/v_download_primary_x24.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:tint="?colorPrimary"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="@string/pd_download" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_info_outline_dark_x24.xml b/app/src/main/res/drawable/v_info_outline_dark_x24.xml
deleted file mode 100644
index 9be6417db..000000000
--- a/app/src/main/res/drawable/v_info_outline_dark_x24.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:tint="?attr/colorControlNormal"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="@string/pd_info_outline" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_info_primary_x24.xml b/app/src/main/res/drawable/v_info_primary_x24.xml
deleted file mode 100644
index 12809d584..000000000
--- a/app/src/main/res/drawable/v_info_primary_x24.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:tint="?colorPrimary"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="@string/pd_info" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_sec_primary_x24.xml b/app/src/main/res/drawable/v_sec_primary_x24.xml
deleted file mode 100644
index 406c10242..000000000
--- a/app/src/main/res/drawable/v_sec_primary_x24.xml
+++ /dev/null
@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2022 Tarsin Norbin
-  ~
-  ~ This file is part of EhViewer
-  ~
-  ~ EhViewer is free software: you can redistribute it and/or modify it
-  ~ under the terms of the GNU General Public License as published
-  ~ by the Free Software Foundation, either version 3 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ EhViewer is distributed in the hope that it will be useful, but WITHOUT
-  ~ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-  ~ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public License along with EhViewer.
-  ~ If not, see <https://www.gnu.org/licenses/>.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:tint="?colorPrimary"
-    android:viewportWidth="24.0"
-    android:viewportHeight="24.0">
-
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="M12,1L3,5v6c0,5.55 3.84,10.74 9,12 5.16,-1.26 9,-6.45 9,-12L21,5l-9,-4zM12,11.99h7c-0.53,4.12 -3.28,7.79 -7,8.94L12,12L5,12L5,6.3l7,-3.11v8.8z" />
-</vector>
diff --git a/app/src/main/res/layout/activity_preference.xml b/app/src/main/res/layout/activity_preference.xml
deleted file mode 100644
index 06dd7df98..000000000
--- a/app/src/main/res/layout/activity_preference.xml
+++ /dev/null
@@ -1,68 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2022 Tarsin Norbin
-  ~
-  ~ This file is part of EhViewer
-  ~
-  ~ EhViewer is free software: you can redistribute it and/or modify it
-  ~ under the terms of the GNU General Public License as published
-  ~ by the Free Software Foundation, either version 3 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ EhViewer is distributed in the hope that it will be useful, but WITHOUT
-  ~ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-  ~ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public License along with EhViewer.
-  ~ If not, see <https://www.gnu.org/licenses/>.
-  -->
-<androidx.coordinatorlayout.widget.CoordinatorLayout 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"
-    android:id="@+id/snackbar"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    app:consumeSystemWindowsInsets="start|end"
-    app:edgeToEdge="true"
-    app:fitsSystemWindowsInsets="start|end">
-
-    <com.google.android.material.appbar.AppBarLayout
-        android:id="@+id/appbar"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:fitsSystemWindows="true">
-
-        <com.google.android.material.appbar.MaterialToolbar
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize" />
-    </com.google.android.material.appbar.AppBarLayout>
-
-
-    <androidx.fragment.app.FragmentContainerView
-        android:id="@+id/fragment"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
-
-    <TextView
-        android:id="@+id/tip"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:textSize="@dimen/text_super_large"
-        android:visibility="gone"
-        app:fitsSystemWindowsInsets="bottom" />
-
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/fab"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
-        android:layout_marginEnd="@dimen/corner_fab_margin"
-        android:layout_marginBottom="@dimen/corner_fab_margin"
-        android:visibility="gone"
-        app:layout_fitsSystemWindowsInsets="bottom"
-        app:srcCompat="@drawable/v_plus_dark_x24"
-        tools:ignore="ContentDescription" />
-
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/activity_webview.xml b/app/src/main/res/layout/activity_webview.xml
deleted file mode 100644
index eeeb2a381..000000000
--- a/app/src/main/res/layout/activity_webview.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2018 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:animateLayoutChanges="true"
-    android:orientation="vertical"
-    app:fitsSystemWindowsInsets="bottom">
-
-    <WebView
-        android:id="@+id/webview"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent" />
-
-    <com.google.android.material.progressindicator.CircularProgressIndicator
-        android:id="@+id/progress"
-        style="@style/ProgressView"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:visibility="gone" />
-
-</FrameLayout>
diff --git a/app/src/main/res/layout/dialog_add_filter.xml b/app/src/main/res/layout/dialog_add_filter.xml
deleted file mode 100644
index 910e0fe7a..000000000
--- a/app/src/main/res/layout/dialog_add_filter.xml
+++ /dev/null
@@ -1,59 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical"
-    android:paddingHorizontal="?attr/dialogPreferredPadding"
-    android:paddingTop="@dimen/abc_dialog_padding_top_material">
-
-    <com.google.android.material.textfield.TextInputLayout
-        android:id="@+id/spinner"
-        style="@style/Widget.Material3.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="@string/filter_label">
-
-        <AutoCompleteTextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="none"
-            app:simpleItems="@array/filter_entries" />
-
-    </com.google.android.material.textfield.TextInputLayout>
-
-    <com.google.android.material.textfield.TextInputLayout
-        android:id="@+id/text_input_layout"
-        style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_horizontal"
-        android:layout_marginTop="16dp"
-        android:hint="@string/filter_text">
-
-        <com.google.android.material.textfield.TextInputEditText
-            android:id="@+id/edit_text"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:imeOptions="actionDone"
-            android:inputType="text"
-            android:maxLines="1"
-            android:singleLine="true" />
-
-    </com.google.android.material.textfield.TextInputLayout>
-</LinearLayout>
diff --git a/app/src/main/res/layout/item_filter.xml b/app/src/main/res/layout/item_filter.xml
deleted file mode 100644
index 8911c32e7..000000000
--- a/app/src/main/res/layout/item_filter.xml
+++ /dev/null
@@ -1,48 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:background="?selectableItemBackground"
-    android:clickable="true"
-    android:focusable="true"
-    android:paddingHorizontal="@dimen/keyline_margin">
-
-    <com.google.android.material.checkbox.MaterialCheckBox
-        android:id="@+id/checkbox"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@android:color/transparent"
-        android:clickable="false"
-        android:ellipsize="end"
-        android:focusable="false"
-        android:maxLines="1"
-        android:paddingStart="0dp"
-        android:paddingEnd="24dp" />
-
-    <ImageView xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:id="@+id/delete"
-        android:layout_width="32dp"
-        android:layout_height="32dp"
-        android:layout_gravity="end|center_vertical"
-        android:background="?selectableItemBackgroundBorderless"
-        android:clickable="true"
-        android:contentDescription="@string/delete"
-        android:focusable="true"
-        android:padding="4dp"
-        app:srcCompat="@drawable/v_delete_x24" />
-</FrameLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_filter_header.xml b/app/src/main/res/layout/item_filter_header.xml
deleted file mode 100644
index 3587be459..000000000
--- a/app/src/main/res/layout/item_filter_header.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/text"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical"
-    android:paddingHorizontal="16dp"
-    android:paddingVertical="8dp"
-    android:textAppearance="@style/TextAppearance.MaterialComponents.Headline6" />
diff --git a/app/src/main/res/layout/preference_dialog_proxy.xml b/app/src/main/res/layout/preference_dialog_proxy.xml
deleted file mode 100644
index 238ebf210..000000000
--- a/app/src/main/res/layout/preference_dialog_proxy.xml
+++ /dev/null
@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:paddingLeft="?attr/dialogPreferredPadding"
-    android:paddingTop="18dp"
-    android:paddingRight="?attr/dialogPreferredPadding">
-
-    <com.google.android.material.textfield.TextInputLayout
-        android:id="@+id/type"
-        style="@style/Widget.Material3.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="@string/proxy_type_name">
-
-        <AutoCompleteTextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="none"
-            app:simpleItems="@array/proxy_types" />
-
-    </com.google.android.material.textfield.TextInputLayout>
-
-    <com.google.android.material.textfield.TextInputLayout
-        android:id="@+id/ip_input_layout"
-        style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="@string/proxy_host_or_ip">
-
-        <com.google.android.material.textfield.TextInputEditText
-            android:id="@+id/ip"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="text" />
-
-    </com.google.android.material.textfield.TextInputLayout>
-
-    <com.google.android.material.textfield.TextInputLayout
-        android:id="@+id/port_input_layout"
-        style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="@string/proxy_port">
-
-        <com.google.android.material.textfield.TextInputEditText
-            android:id="@+id/port"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="numberDecimal" />
-
-    </com.google.android.material.textfield.TextInputLayout>
-</LinearLayout>
diff --git a/app/src/main/res/layout/rv_layout.xml b/app/src/main/res/layout/rv_layout.xml
deleted file mode 100644
index 9d3576e2f..000000000
--- a/app/src/main/res/layout/rv_layout.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/recycler_view"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:clipToPadding="false"
-    android:paddingBottom="@dimen/fab_rv_padding_size"
-    app:fitsSystemWindowsInsets="bottom" />
\ No newline at end of file
diff --git a/app/src/main/res/menu/activity_filter.xml b/app/src/main/res/menu/activity_filter.xml
deleted file mode 100644
index ff53fcc4d..000000000
--- a/app/src/main/res/menu/activity_filter.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item
-        android:id="@+id/action_tip"
-        android:icon="@drawable/v_info_outline_dark_x24"
-        android:title="@string/tip"
-        app:showAsAction="ifRoom" />
-
-</menu>
diff --git a/app/src/main/res/menu/activity_u_config.xml b/app/src/main/res/menu/activity_u_config.xml
deleted file mode 100644
index 7a5351643..000000000
--- a/app/src/main/res/menu/activity_u_config.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2018 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item
-        android:id="@+id/action_apply"
-        android:icon="@drawable/v_check_dark_x24"
-        android:title="@string/apply"
-        app:showAsAction="always" />
-
-</menu>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index fd56e6998..32c69f171 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -26,7 +26,6 @@
     <dimen name="strip_item_padding">8dp</dimen>
 
     <!-- Text size -->
-    <dimen name="text_super_large">24sp</dimen>
     <dimen name="text_little_small">16sp</dimen>
     <dimen name="text_small">14sp</dimen>
     <dimen name="text_super_small">12sp</dimen>
diff --git a/app/src/main/res/values/pathdata.xml b/app/src/main/res/values/pathdata.xml
index a2da4c491..7bddd3f94 100644
--- a/app/src/main/res/values/pathdata.xml
+++ b/app/src/main/res/values/pathdata.xml
@@ -36,19 +36,14 @@
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     <string name="pd_reply" translatable="false">M10,9V5L3,12L10,19V14.9C15,14.9 18.5,16.5 21,20C20,15 17,10 10,9Z</string>
     <string name="pd_send" translatable="false">M2,21L23,12L2,3V10L17,12L2,14V21Z</string>
-    <string name="pd_info" translatable="false">M13,9H11V7H13M13,17H11V11H13M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2Z</string>
     <string name="pd_heart_box" translatable="false">M5,3H19A2,2 0 0,1 21,5V19A2,2 0 0,1 19,21H5A2,2 0 0,1 3,19V5A2,2 0 0,1 5,3M12,17L12.72,16.34C15.3,14 17,12.46 17,10.57C17,9.03 15.79,7.82 14.25,7.82C13.38,7.82 12.55,8.23 12,8.87C11.45,8.23 10.62,7.82 9.75,7.82C8.21,7.82 7,9.03 7,10.57C7,12.46 8.7,14 11.28,16.34L12,17Z</string>
     <string name="pd_download_box" translatable="false">M19,3H5C3.9,3,3,3.9,3,5V19C3,20.1,3.9,21,5,21H19C20.1,21,21,20.1,21,19V5C21,3.9,20.1,3,19,3ZM12,17L7,12H10V8H14V12H17L12,17Z</string>
-    <string name="pd_adb" translatable="false">M15,9A1,1 0 0,1 14,8A1,1 0 0,1 15,7A1,1 0 0,1 16,8A1,1 0 0,1 15,9M9,9A1,1 0 0,1 8,8A1,1 0 0,1 9,7A1,1 0 0,1 10,8A1,1 0 0,1 9,9M16.12,4.37L18.22,2.27L17.4,1.44L15.09,3.75C14.16,3.28 13.11,3 12,3C10.88,3 9.84,3.28 8.91,3.75L6.6,1.44L5.78,2.27L7.88,4.37C6.14,5.64 5,7.68 5,10V11H19V10C19,7.68 17.86,5.64 16.12,4.37M5,16C5,19.86 8.13,23 12,23A7,7 0 0,0 19,16V12H5V16Z</string>
-    <string name="pd_info_outline" translatable="false">M11,9H13V7H11M12,20C7.59,20 4,16.41 4,12C4,7.59 7.59,4 12,4C16.41,4 20,7.59 20,12C20,16.41 16.41,20 12,20M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2M11,17H13V11H11V17Z</string>
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-    <string name="pd_check" translatable="false">M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z</string>
     <string name="pd_file_image" translatable="false">M13,9H18.5L13,3.5V9M6,2H14L20,8V20A2,2 0 0,1 18,22H6C4.89,22 4,21.1 4,20V4C4,2.89 4.89,2 6,2M6,20H15L18,20V12L14,16L12,14L6,20M8,9A2,2 0 0,0 6,11A2,2 0 0,0 8,13A2,2 0 0,0 10,11A2,2 0 0,0 8,9Z</string>
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     <string name="pd_pencil" translatable="false">M20.71,7.04C21.1,6.65 21.1,6 20.71,5.63L18.37,3.29C18,2.9 17.35,2.9 16.96,3.29L15.12,5.12L18.87,8.87M3,17.25V21H6.75L17.81,9.93L14.06,6.18L3,17.25Z</string>
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     <string name="pd_big_download" translatable="false">M0,19V24H24V19H0ZM16,22H15V21H16V22ZM19,22H18V21H19V22ZM22,22H21V21H22V22M15,11L15,0L9,0L9,11L5,11L12,18L19,11Z</string>
-    <string name="pd_big_filter" translatable="false">M22.9,2.84C24,0.44,15.08,0,12,0C9.06,0,0,0.43,1.1,2.84C1.6,3.94,10,15.76,10,15.76V21L14,24V15.76S22.4,3.96,22.9,2.84ZM12,1.94C16.25,1.94,20.15,2.51,20.15,3.17S16.25,4.34,12,4.34S3.97,3.8,3.97,3.17S7.76,1.94,12,1.94Z</string>
     <string name="pd_sad_panda" translatable="false">M21.1,7.8C22.2,7.4,23,6.3,23,5C23,3.3,21.7,2,20,2C18.9,2,17.9,2.6,17.4,3.6L21.1,7.8M6.6,3.6C6.1,2.6,5.1,2,4,2C2.3,2,1,3.3,1,5C1,6.3,1.8,7.4,2.9,7.8L6.6,3.6M10.1,13L8,15.1C7.4,15.7,6.5,15.7,5.9,15.1L5.9,15.1C5.3,14.5,5.3,13.6,5.9,13L8,10.9C8.6,10.3,9.5,10.3,10.1,10.9L10.1,10.9C10.7,11.5,10.7,12.4,10.1,13M16,15.1L13.9,13C13.3,12.4,13.3,11.5,13.9,10.9L13.9,10.9C14.5,10.3,15.4,10.3,16,10.9L18.1,13C18.7,13.6,18.7,14.5,18.1,15.1L18.1,15.1C17.5,15.7,16.6,15.7,16,15.1M12,17C12.8,17,13.5,17.4,13.5,18S12.8,19,12,19S10.5,18.6,10.5,18S11.2,17,12,17Z</string>
 
 </resources>