diff --git a/app/build.gradle b/app/build.gradle
index 7820fa23c..27e1c868c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,9 +1,11 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-parcelize'
-apply plugin: 'kotlin-kapt'
-apply plugin: 'de.timfreiheit.resourceplaceholders'
-apply plugin: 'com.google.gms.google-services'
+plugins {
+    id "com.android.application"
+    id 'org.jetbrains.kotlin.android'
+    id 'kotlin-parcelize'
+    id 'kotlin-kapt'
+    id "de.timfreiheit.resourceplaceholders"
+    id "com.google.gms.google-services"
+}
 apply from: 'download.gradle'
 
 static def releaseTime() {
@@ -16,11 +18,15 @@ def gitCommits = Integer.parseInt('git rev-list HEAD --count'.execute().text.tri
 
 android {
     compileSdkVersion 32
-    buildToolsVersion '32.0.0'
+    buildToolsVersion "32.0.0"
+    namespace 'io.legado.app'
     kotlinOptions {
         jvmTarget = "11"
     }
-    namespace 'io.legado.app'
+    lintOptions{
+        checkDependencies true
+    }
+
     signingConfigs {
         if (project.hasProperty("RELEASE_STORE_FILE")) {
             myConfig {
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 2275e93eb..fed8456c5 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="io.legado.app">
+    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_MEDIA_LOCATION" />
diff --git a/app/src/main/java/io/legado/app/constant/AppConst.kt b/app/src/main/java/io/legado/app/constant/AppConst.kt
index 7de237e42..49220b429 100644
--- a/app/src/main/java/io/legado/app/constant/AppConst.kt
+++ b/app/src/main/java/io/legado/app/constant/AppConst.kt
@@ -5,7 +5,6 @@ import android.content.pm.PackageManager
 import android.provider.Settings
 import com.script.javascript.RhinoScriptEngine
 import io.legado.app.BuildConfig
-import io.legado.app.R
 import splitties.init.appCtx
 import java.text.SimpleDateFormat
 
@@ -57,7 +56,9 @@ object AppConst {
     )
 
     @SuppressLint("PrivateResource")
-    val sysElevation = appCtx.resources.getDimension(R.dimen.design_appbar_elevation).toInt()
+    val sysElevation =
+        appCtx.resources.getDimension(com.google.android.material.R.dimen.design_appbar_elevation)
+            .toInt()
 
     val androidId: String by lazy {
         Settings.System.getString(appCtx.contentResolver, Settings.Secure.ANDROID_ID) ?: "null"
diff --git a/app/src/main/java/io/legado/app/lib/prefs/ColorPreference.kt b/app/src/main/java/io/legado/app/lib/prefs/ColorPreference.kt
index 3ea1181a1..b427992e7 100644
--- a/app/src/main/java/io/legado/app/lib/prefs/ColorPreference.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/ColorPreference.kt
@@ -120,7 +120,7 @@ class ColorPreference(context: Context, attrs: AttributeSet) : Preference(contex
     override fun onBindViewHolder(holder: PreferenceViewHolder) {
         val v = io.legado.app.lib.prefs.Preference.bindView<ColorPanelView>(
             context, holder, icon, title, summary, widgetLayoutResource,
-            io.legado.app.R.id.cpv_preference_preview_color_panel, 30, 30
+            com.jaredrummler.android.colorpicker.R.id.cpv_preference_preview_color_panel, 30, 30
         )
         if (v is ColorPanelView) {
             v.color = mColor
diff --git a/app/src/main/java/io/legado/app/lib/prefs/SwitchPreference.kt b/app/src/main/java/io/legado/app/lib/prefs/SwitchPreference.kt
index d71e914b7..1671b73fc 100644
--- a/app/src/main/java/io/legado/app/lib/prefs/SwitchPreference.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/SwitchPreference.kt
@@ -30,7 +30,7 @@ class SwitchPreference(context: Context, attrs: AttributeSet) :
             title,
             summary,
             widgetLayoutResource,
-            R.id.switchWidget,
+            androidx.preference.R.id.switchWidget,
             isBottomBackground = isBottomBackground
         )
         if (v is SwitchCompat && !v.isInEditMode) {
diff --git a/app/src/main/java/io/legado/app/lib/theme/MaterialValueHelper.kt b/app/src/main/java/io/legado/app/lib/theme/MaterialValueHelper.kt
index d19b6634c..550c3092f 100644
--- a/app/src/main/java/io/legado/app/lib/theme/MaterialValueHelper.kt
+++ b/app/src/main/java/io/legado/app/lib/theme/MaterialValueHelper.kt
@@ -19,34 +19,52 @@ import io.legado.app.utils.dpToPx
 @ColorInt
 fun Context.getPrimaryTextColor(dark: Boolean): Int {
     return if (dark) {
-        ContextCompat.getColor(this, R.color.primary_text_default_material_light)
-    } else ContextCompat.getColor(this, R.color.primary_text_default_material_dark)
+        ContextCompat.getColor(this, androidx.appcompat.R.color.primary_text_default_material_light)
+    } else ContextCompat.getColor(
+        this,
+        androidx.appcompat.R.color.primary_text_default_material_dark
+    )
 }
 
 @ColorInt
 fun Context.getSecondaryTextColor(dark: Boolean): Int {
     return if (dark) {
-        ContextCompat.getColor(this, R.color.secondary_text_default_material_light)
+        ContextCompat.getColor(
+            this,
+            androidx.appcompat.R.color.secondary_text_default_material_light
+        )
     } else {
-        ContextCompat.getColor(this, R.color.secondary_text_default_material_dark)
+        ContextCompat.getColor(
+            this,
+            androidx.appcompat.R.color.secondary_text_default_material_dark
+        )
     }
 }
 
 @ColorInt
 fun Context.getPrimaryDisabledTextColor(dark: Boolean): Int {
     return if (dark) {
-        ContextCompat.getColor(this, R.color.primary_text_disabled_material_light)
+        ContextCompat.getColor(
+            this,
+            androidx.appcompat.R.color.primary_text_disabled_material_light
+        )
     } else {
-        ContextCompat.getColor(this, R.color.primary_text_disabled_material_dark)
+        ContextCompat.getColor(this, androidx.appcompat.R.color.primary_text_disabled_material_dark)
     }
 }
 
 @ColorInt
 fun Context.getSecondaryDisabledTextColor(dark: Boolean): Int {
     return if (dark) {
-        ContextCompat.getColor(this, R.color.secondary_text_disabled_material_light)
+        ContextCompat.getColor(
+            this,
+            androidx.appcompat.R.color.secondary_text_disabled_material_light
+        )
     } else {
-        ContextCompat.getColor(this, R.color.secondary_text_disabled_material_dark)
+        ContextCompat.getColor(
+            this,
+            androidx.appcompat.R.color.secondary_text_disabled_material_dark
+        )
     }
 }
 
@@ -124,7 +142,7 @@ val Context.elevation: Float
             ThemeUtils.resolveFloat(
                 this,
                 android.R.attr.elevation,
-                resources.getDimension(R.dimen.design_appbar_elevation)
+                resources.getDimension(com.google.android.material.R.dimen.design_appbar_elevation)
             )
         } else {
             AppConfig.elevation.toFloat().dpToPx()
diff --git a/app/src/main/java/io/legado/app/lib/theme/ThemeStore.kt b/app/src/main/java/io/legado/app/lib/theme/ThemeStore.kt
index c791b1d1a..9c8602eb5 100644
--- a/app/src/main/java/io/legado/app/lib/theme/ThemeStore.kt
+++ b/app/src/main/java/io/legado/app/lib/theme/ThemeStore.kt
@@ -9,7 +9,6 @@ import androidx.annotation.CheckResult
 import androidx.annotation.ColorInt
 import androidx.annotation.ColorRes
 import androidx.core.content.ContextCompat
-import io.legado.app.R
 import io.legado.app.utils.ColorUtils
 import splitties.init.appCtx
 
@@ -189,7 +188,11 @@ private constructor(private val mContext: Context) : ThemeStoreInterface {
         fun primaryColor(context: Context = appCtx): Int {
             return prefs(context).getInt(
                 ThemeStorePrefKeys.KEY_PRIMARY_COLOR,
-                ThemeUtils.resolveColor(context, R.attr.colorPrimary, Color.parseColor("#455A64"))
+                ThemeUtils.resolveColor(
+                    context,
+                    androidx.appcompat.R.attr.colorPrimary,
+                    Color.parseColor("#455A64")
+                )
             )
         }
 
@@ -200,7 +203,7 @@ private constructor(private val mContext: Context) : ThemeStoreInterface {
                 ThemeStorePrefKeys.KEY_PRIMARY_COLOR_DARK,
                 ThemeUtils.resolveColor(
                     context,
-                    R.attr.colorPrimaryDark,
+                    androidx.appcompat.R.attr.colorPrimaryDark,
                     Color.parseColor("#37474F")
                 )
             )
@@ -211,7 +214,11 @@ private constructor(private val mContext: Context) : ThemeStoreInterface {
         fun accentColor(context: Context = appCtx): Int {
             return prefs(context).getInt(
                 ThemeStorePrefKeys.KEY_ACCENT_COLOR,
-                ThemeUtils.resolveColor(context, R.attr.colorAccent, Color.parseColor("#263238"))
+                ThemeUtils.resolveColor(
+                    context,
+                    androidx.appcompat.R.attr.colorAccent,
+                    Color.parseColor("#263238")
+                )
             )
         }
 
diff --git a/app/src/main/java/io/legado/app/lib/theme/TintHelper.kt b/app/src/main/java/io/legado/app/lib/theme/TintHelper.kt
index d1bfd0231..e8cf40d12 100644
--- a/app/src/main/java/io/legado/app/lib/theme/TintHelper.kt
+++ b/app/src/main/java/io/legado/app/lib/theme/TintHelper.kt
@@ -31,9 +31,9 @@ object TintHelper {
         // Light ripple is actually translucent black, and vice versa
         return ContextCompat.getColor(
             context, if (useDarkRipple)
-                R.color.ripple_material_light
+                androidx.appcompat.R.color.ripple_material_light
             else
-                R.color.ripple_material_dark
+                androidx.appcompat.R.color.ripple_material_dark
         )
     }
 
@@ -170,7 +170,7 @@ object TintHelper {
                 val rd = view.background as RippleDrawable
                 @SuppressLint("PrivateResource") val unchecked = ContextCompat.getColor(
                     view.context,
-                    if (isDark) R.color.ripple_material_dark else R.color.ripple_material_light
+                    if (isDark) androidx.appcompat.R.color.ripple_material_dark else androidx.appcompat.R.color.ripple_material_light
                 )
                 val checked = ColorUtils.adjustAlpha(color, 0.4f)
                 val sl = ColorStateList(
diff --git a/app/src/main/java/io/legado/app/ui/widget/image/PhotoView.kt b/app/src/main/java/io/legado/app/ui/widget/image/PhotoView.kt
index b028dd116..7a67fef77 100644
--- a/app/src/main/java/io/legado/app/ui/widget/image/PhotoView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/image/PhotoView.kt
@@ -17,7 +17,6 @@ import android.widget.ImageView
 import android.widget.OverScroller
 import android.widget.Scroller
 import androidx.appcompat.widget.AppCompatImageView
-import io.legado.app.R
 import io.legado.app.ui.widget.image.photo.Info
 import io.legado.app.ui.widget.image.photo.OnRotateListener
 import io.legado.app.ui.widget.image.photo.RotateGestureDetector
@@ -917,7 +916,7 @@ class PhotoView @JvmOverloads constructor(
         var viewParent: ViewParent = target.parent
         while (viewParent is View) {
             val view: View = viewParent
-            if (view.id == R.id.content) return
+            if (view.id == androidx.constraintlayout.widget.R.id.content) return
             position[0] -= view.scrollX
             position[1] -= view.scrollY
             position[0] += view.left
diff --git a/build.gradle b/build.gradle
index 49eaac2b9..52a2f6b2e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,36 +1,22 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.6.10'
-    repositories {
-        //原仓库
-        google()
-        mavenCentral()
-        maven { url 'https://plugins.gradle.org/m2/' }
-        //镜像仓库,无法连接源仓库自行启用镜像仓库,不要提交修改
-        //maven { url 'https://maven.aliyun.com/repository/google' }
-        //maven { url 'https://maven.aliyun.com/repository/public' }
-        //maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:7.2.0'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'de.timfreiheit.resourceplaceholders:placeholders:0.4'
-        classpath 'de.undercouch:gradle-download-task:5.0.1'
-        classpath 'com.google.gms:google-services:4.3.10'
+    ext{
+        kotlin_version = '1.6.10'
+        agp_version='7.2.0'
     }
 }
 
-allprojects {
-    repositories {
-        //原仓库
-        google()
-        mavenCentral()
-        maven { url 'https://jitpack.io' }
-        //镜像仓库,无法连接源仓库自行启用镜像仓库,不要提交修改
-        //maven { url 'https://maven.aliyun.com/repository/google' }
-        //maven { url 'https://maven.aliyun.com/repository/public' }
-    }
+
+
+plugins {
+    id 'com.android.application' version "$agp_version" apply false
+    id 'com.android.library' version "$agp_version" apply false
+    id 'org.jetbrains.kotlin.android' version "$kotlin_version" apply false
+    id "de.timfreiheit.resourceplaceholders" version "0.4" apply false
+    id "de.undercouch.download" version "5.1.0" apply false
+    id "com.google.gms.google-services" version "4.3.10" apply false
+
 }
 
 task clean(type: Delete) {
diff --git a/epublib/build.gradle b/epublib/build.gradle
index 9fef4731a..9dbb6e226 100644
--- a/epublib/build.gradle
+++ b/epublib/build.gradle
@@ -3,12 +3,15 @@ plugins {
 }
 
 android {
-    compileSdkVersion 31
-    buildToolsVersion '31.0.0'
+    compileSdkVersion 32
+    buildToolsVersion '32.0.0'
     namespace 'me.ag2s.epublib'
+    lintOptions{
+        checkDependencies true
+    }
     defaultConfig {
         minSdkVersion 21
-        targetSdkVersion 31
+        targetSdkVersion 32
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles "consumer-rules.pro"
@@ -19,8 +22,7 @@ android {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
-        android {
-        }
+
     }
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
diff --git a/gradle.properties b/gradle.properties
index ed228fa6e..07e4b9d60 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,8 +19,11 @@ android.useAndroidX=true
 android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
-
 android.enableResourceOptimizations=true
-
+android.enableNewResourceShrinker=true
+android.experimental.enableNewResourceShrinker.preciseShrinking=true
+# enables namespacing of each library's R class so that its R class includes only the resources declared in the library itself
+# and none from the library's dependencies, thereby reducing the size of the R class for that library.
+android.nonTransitiveRClass=true
 #https://chromiumdash.appspot.com/releases?platform=Android
 CronetVersion=101.0.4951.61
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 324b48f79..85c753bd8 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri May 07 15:24:46 CST 2021
+#Mon May 23 22:07:39 CST 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
diff --git a/settings.gradle b/settings.gradle
index 6e5b9d8ee..fc8168e71 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1,31 @@
+pluginManagement {
+    repositories {
+        //原仓库
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+        //镜像仓库,无法连接源仓库自行启用镜像仓库,不要提交修改
+        //maven {url"https://maven-central-asia.storage-download.googleapis.com/maven2/"}
+        //maven { url 'https://maven.aliyun.com/repository/google' }
+        //maven { url 'https://maven.aliyun.com/repository/public' }
+        //maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
+    }
+}
+
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        //原仓库
+        google()
+        mavenCentral()
+        maven { url 'https://jitpack.io' }
+        //镜像仓库,无法连接源仓库自行启用镜像仓库,不要提交修改
+        //maven {url"https://maven-central-asia.storage-download.googleapis.com/maven2/"}
+        //maven { url 'https://maven.aliyun.com/repository/google' }
+        //maven { url 'https://maven.aliyun.com/repository/public' }
+
+    }
+}
+rootProject.name = 'legado'
+
 include ':app',':epublib'