diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index d59c1bea7e..566ff04d16 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -4,8 +4,8 @@ plugins {
     id("com.android.library")
     id("org.mozilla.rust-android-gradle.rust-android")
     kotlin("android")
-    kotlin("android.extensions")
     kotlin("kapt")
+    id("kotlin-parcelize")
 }
 
 setupCore()
diff --git a/core/src/main/java/com/github/shadowsocks/UrlImportActivity.kt b/core/src/main/java/com/github/shadowsocks/UrlImportActivity.kt
index 0c3d2b68dd..c96abf0434 100644
--- a/core/src/main/java/com/github/shadowsocks/UrlImportActivity.kt
+++ b/core/src/main/java/com/github/shadowsocks/UrlImportActivity.kt
@@ -32,7 +32,7 @@ import com.github.shadowsocks.database.ProfileManager
 import com.github.shadowsocks.plugin.AlertDialogFragment
 import com.github.shadowsocks.plugin.Empty
 import com.github.shadowsocks.plugin.showAllowingStateLoss
-import kotlinx.android.parcel.Parcelize
+import kotlinx.parcelize.Parcelize
 
 class UrlImportActivity : AppCompatActivity() {
     @Parcelize
diff --git a/core/src/main/java/com/github/shadowsocks/aidl/TrafficStats.kt b/core/src/main/java/com/github/shadowsocks/aidl/TrafficStats.kt
index a675dd4428..17c0c6d705 100644
--- a/core/src/main/java/com/github/shadowsocks/aidl/TrafficStats.kt
+++ b/core/src/main/java/com/github/shadowsocks/aidl/TrafficStats.kt
@@ -21,7 +21,7 @@
 package com.github.shadowsocks.aidl
 
 import android.os.Parcelable
-import kotlinx.android.parcel.Parcelize
+import kotlinx.parcelize.Parcelize
 
 @Parcelize
 data class TrafficStats(
diff --git a/core/src/main/java/com/github/shadowsocks/database/Profile.kt b/core/src/main/java/com/github/shadowsocks/database/Profile.kt
index e0f915b350..4468a8520b 100644
--- a/core/src/main/java/com/github/shadowsocks/database/Profile.kt
+++ b/core/src/main/java/com/github/shadowsocks/database/Profile.kt
@@ -36,7 +36,7 @@ import com.google.gson.JsonArray
 import com.google.gson.JsonElement
 import com.google.gson.JsonObject
 import com.google.gson.JsonPrimitive
-import kotlinx.android.parcel.Parcelize
+import kotlinx.parcelize.Parcelize
 import org.json.JSONArray
 import org.json.JSONObject
 import timber.log.Timber
diff --git a/mobile/build.gradle.kts b/mobile/build.gradle.kts
index 01de34b4e0..8e13ef5ed7 100644
--- a/mobile/build.gradle.kts
+++ b/mobile/build.gradle.kts
@@ -4,7 +4,7 @@ plugins {
     id("com.google.gms.google-services")
     id("com.google.firebase.crashlytics")
     kotlin("android")
-    kotlin("android.extensions")
+    id("kotlin-parcelize")
 }
 
 setupApp()
diff --git a/mobile/src/main/java/com/github/shadowsocks/AppManager.kt b/mobile/src/main/java/com/github/shadowsocks/AppManager.kt
index 68b26d9156..ab281283da 100644
--- a/mobile/src/main/java/com/github/shadowsocks/AppManager.kt
+++ b/mobile/src/main/java/com/github/shadowsocks/AppManager.kt
@@ -33,11 +33,10 @@ import android.graphics.drawable.Drawable
 import android.os.Bundle
 import android.util.SparseBooleanArray
 import android.view.*
-import android.widget.Filter
-import android.widget.Filterable
-import android.widget.SearchView
+import android.widget.*
 import androidx.annotation.UiThread
 import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.Toolbar
 import androidx.core.util.set
 import androidx.core.view.ViewCompat
 import androidx.lifecycle.lifecycleScope
@@ -52,8 +51,6 @@ import com.github.shadowsocks.utils.listenForPackageChanges
 import com.github.shadowsocks.widget.ListHolderListener
 import com.github.shadowsocks.widget.ListListener
 import com.google.android.material.snackbar.Snackbar
-import kotlinx.android.synthetic.main.layout_apps.*
-import kotlinx.android.synthetic.main.layout_apps_item.view.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.ensureActive
@@ -110,14 +107,14 @@ class AppManager : AppCompatActivity() {
 
         fun bind(app: ProxiedApp) {
             item = app
-            itemView.itemicon.setImageDrawable(app.icon)
-            itemView.title.text = app.name
-            itemView.desc.text = "${app.packageName} (${app.uid})"
-            itemView.itemcheck.isChecked = isProxiedApp(app)
+            itemView.findViewById<ImageView>(R.id.itemicon).setImageDrawable(app.icon)
+            itemView.findViewById<TextView>(R.id.title).text = app.name
+            itemView.findViewById<TextView>(R.id.desc).text = "${app.packageName} (${app.uid})"
+            itemView.findViewById<Switch>(R.id.itemcheck).isChecked = isProxiedApp(app)
         }
 
         fun handlePayload(payloads: List<String>) {
-            if (payloads.contains(SWITCH)) itemView.itemcheck.isChecked = isProxiedApp(item)
+            if (payloads.contains(SWITCH)) itemView.findViewById<Switch>(R.id.itemcheck).isChecked = isProxiedApp(item)
         }
 
         override fun onClick(v: View?) {
@@ -175,6 +172,11 @@ class AppManager : AppCompatActivity() {
         override fun getPopupText(position: Int) = filteredApps[position].name.firstOrNull()?.toString() ?: ""
     }
 
+    private val loading by lazy { findViewById<View>(R.id.loading) }
+    private lateinit var toolbar: Toolbar
+    private lateinit var bypassGroup: RadioGroup
+    private lateinit var list: RecyclerView
+    private lateinit var search: SearchView
     private val proxiedUids = SparseBooleanArray()
     private var loader: Job? = null
     private var apps = emptyList<ProxiedApp>()
@@ -219,6 +221,7 @@ class AppManager : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.layout_apps)
         ListHolderListener.setup(this)
+        toolbar = findViewById(R.id.toolbar)
         setSupportActionBar(toolbar)
         supportActionBar!!.setDisplayHomeAsUpEnabled(true)
 
@@ -227,6 +230,7 @@ class AppManager : AppCompatActivity() {
             DataStore.dirty = true
         }
 
+        bypassGroup = findViewById(R.id.bypassGroup)
         bypassGroup.check(if (DataStore.bypass) R.id.btn_bypass else R.id.btn_on)
         bypassGroup.setOnCheckedChangeListener { _, checkedId ->
             DataStore.dirty = true
@@ -241,12 +245,14 @@ class AppManager : AppCompatActivity() {
         }
 
         initProxiedUids()
+        list = findViewById(R.id.list)
         ViewCompat.setOnApplyWindowInsetsListener(list, ListListener)
         list.layoutManager = LinearLayoutManager(this, RecyclerView.VERTICAL, false)
         list.itemAnimator = DefaultItemAnimator()
         list.adapter = appsAdapter
         FastScrollerBuilder(list).useMd2Style().build()
 
+        search = findViewById(R.id.search)
         search.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
             override fun onQueryTextSubmit(query: String?) = false
             override fun onQueryTextChange(newText: String?) = true.also { appsAdapter.filter.filter(newText) }
diff --git a/mobile/src/main/java/com/github/shadowsocks/ProfileConfigFragment.kt b/mobile/src/main/java/com/github/shadowsocks/ProfileConfigFragment.kt
index 37fcc4748f..a27d8bc977 100644
--- a/mobile/src/main/java/com/github/shadowsocks/ProfileConfigFragment.kt
+++ b/mobile/src/main/java/com/github/shadowsocks/ProfileConfigFragment.kt
@@ -45,9 +45,9 @@ import com.github.shadowsocks.preference.*
 import com.github.shadowsocks.utils.*
 import com.github.shadowsocks.widget.ListListener
 import com.google.android.material.snackbar.Snackbar
-import kotlinx.android.parcel.Parcelize
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.parcelize.Parcelize
 
 class ProfileConfigFragment : PreferenceFragmentCompat(),
         Preference.OnPreferenceChangeListener, OnPreferenceDataStoreChangeListener {
diff --git a/mobile/src/main/java/com/github/shadowsocks/acl/CustomRulesFragment.kt b/mobile/src/main/java/com/github/shadowsocks/acl/CustomRulesFragment.kt
index 775dcff685..e18950c1e6 100644
--- a/mobile/src/main/java/com/github/shadowsocks/acl/CustomRulesFragment.kt
+++ b/mobile/src/main/java/com/github/shadowsocks/acl/CustomRulesFragment.kt
@@ -54,7 +54,7 @@ import com.github.shadowsocks.widget.ListHolderListener
 import com.github.shadowsocks.widget.MainListListener
 import com.github.shadowsocks.widget.UndoSnackbarManager
 import com.google.android.material.textfield.TextInputLayout
-import kotlinx.android.parcel.Parcelize
+import kotlinx.parcelize.Parcelize
 import me.zhanghai.android.fastscroll.FastScrollerBuilder
 import timber.log.Timber
 import java.net.IDN
diff --git a/mobile/src/main/java/com/github/shadowsocks/subscription/SubscriptionFragment.kt b/mobile/src/main/java/com/github/shadowsocks/subscription/SubscriptionFragment.kt
index dde9cfade0..7f3199226b 100644
--- a/mobile/src/main/java/com/github/shadowsocks/subscription/SubscriptionFragment.kt
+++ b/mobile/src/main/java/com/github/shadowsocks/subscription/SubscriptionFragment.kt
@@ -47,7 +47,7 @@ import com.github.shadowsocks.widget.ListHolderListener
 import com.github.shadowsocks.widget.MainListListener
 import com.github.shadowsocks.widget.UndoSnackbarManager
 import com.google.android.material.textfield.TextInputLayout
-import kotlinx.android.parcel.Parcelize
+import kotlinx.parcelize.Parcelize
 import me.zhanghai.android.fastscroll.FastScrollerBuilder
 import java.net.MalformedURLException
 import java.net.URL
diff --git a/plugin/build.gradle.kts b/plugin/build.gradle.kts
index 3a97ef9bf2..936accc434 100644
--- a/plugin/build.gradle.kts
+++ b/plugin/build.gradle.kts
@@ -2,7 +2,7 @@ plugins {
     id("com.android.library")
     id("com.vanniktech.maven.publish")
     kotlin("android")
-    kotlin("android.extensions")
+    id("kotlin-parcelize")
 }
 
 setupCommon()
diff --git a/plugin/src/main/java/com/github/shadowsocks/plugin/Utils.kt b/plugin/src/main/java/com/github/shadowsocks/plugin/Utils.kt
index d0453aa91f..37dfdb4abf 100644
--- a/plugin/src/main/java/com/github/shadowsocks/plugin/Utils.kt
+++ b/plugin/src/main/java/com/github/shadowsocks/plugin/Utils.kt
@@ -25,7 +25,7 @@ package com.github.shadowsocks.plugin
 import android.os.Parcelable
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.FragmentManager
-import kotlinx.android.parcel.Parcelize
+import kotlinx.parcelize.Parcelize
 
 @Parcelize
 class Empty : Parcelable