diff --git a/V2rayNG/app/build.gradle b/V2rayNG/app/build.gradle
index 1f5dbeb85..b1cd20d38 100644
--- a/V2rayNG/app/build.gradle
+++ b/V2rayNG/app/build.gradle
@@ -76,21 +76,21 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9"
 
     // Androidx ktx
-    implementation 'android.arch.lifecycle:extensions:1.1.1'
-    implementation 'android.arch.lifecycle:livedata:1.1.1'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
+    implementation 'androidx.lifecycle:lifecycle-livedata:2.0.0'
 
     // Android support library
-    implementation "com.android.support:support-v4:$supportLibVersion"
-    implementation "com.android.support:appcompat-v7:$supportLibVersion"
-    implementation "com.android.support:design:$supportLibVersion"
-    implementation "com.android.support:cardview-v7:$supportLibVersion"
-    implementation "com.android.support:preference-v7:$supportLibVersion"
-    implementation "com.android.support:recyclerview-v7:$supportLibVersion"
-    implementation "com.android.support:multidex:1.0.3"
-    implementation 'com.android.support.constraint:constraint-layout:2.0.1'
+    implementation "androidx.legacy:legacy-support-v4:$supportLibVersion"
+    implementation "androidx.appcompat:appcompat:$supportLibVersion"
+    implementation "com.google.android.material:material:$supportLibVersion"
+    implementation "androidx.cardview:cardview:$supportLibVersion"
+    implementation "androidx.preference:preference:$supportLibVersion"
+    implementation "androidx.recyclerview:recyclerview:$supportLibVersion"
+    implementation 'androidx.multidex:multidex:2.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
 
     // DSL
-    implementation 'com.tencent:mmkv-static:1.0.19'
+    implementation 'com.tencent:mmkv-static:1.2.7'
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'io.reactivex:rxjava:1.3.4'
     implementation 'io.reactivex:rxandroid:1.2.1'
@@ -99,6 +99,8 @@ dependencies {
     implementation 'me.dm7.barcodescanner:zxing:1.9.8'
     implementation 'com.github.jorgecastilloprz:fabprogresscircle:1.01@aar'
     implementation 'me.drakeet.support:toastcompat:1.1.0'
+    implementation 'com.blacksquircle.ui:editorkit:2.0.0'
+    implementation 'com.blacksquircle.ui:language-json:2.0.0'
 
     implementation(name: 'libv2ray', ext: 'aar')
     //implementation(name: 'tun2socks', ext: 'aar')
diff --git a/V2rayNG/app/src/main/AndroidManifest.xml b/V2rayNG/app/src/main/AndroidManifest.xml
index 543343ae0..898497374 100644
--- a/V2rayNG/app/src/main/AndroidManifest.xml
+++ b/V2rayNG/app/src/main/AndroidManifest.xml
@@ -28,6 +28,8 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <!-- <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> -->
 
+    <uses-sdk tools:overrideLibrary="com.blacksquircle.ui.editorkit, com.blacksquircle.ui.language.json, com.blacksquircle.ui.language.base"/>
+
     <application
         android:name=".AngApplication"
         android:allowBackup="true"
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperAdapter.java b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperAdapter.java
index 6b0ae1f82..2de0c74ac 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperAdapter.java
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperAdapter.java
@@ -16,8 +16,8 @@
 
 package com.v2ray.ang.helper;
 
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 /**
  * Interface to listen for a move or dismissal event from a {@link ItemTouchHelper.Callback}.
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperViewHolder.java b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperViewHolder.java
index e20014de5..149768fc1 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperViewHolder.java
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperViewHolder.java
@@ -16,7 +16,7 @@
 
 package com.v2ray.ang.helper;
 
-import android.support.v7.widget.helper.ItemTouchHelper;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 /**
  * Interface to notify an item ViewHolder of relevant callbacks from {@link
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/OnStartDragListener.java b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/OnStartDragListener.java
index 163f94de0..a6407b6f5 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/OnStartDragListener.java
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/OnStartDragListener.java
@@ -16,7 +16,7 @@
 
 package com.v2ray.ang.helper;
 
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 
 /**
  * Listener for manual initiation of a drag.
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/SimpleItemTouchHelperCallback.java b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/SimpleItemTouchHelperCallback.java
index 0d6436b9e..3c56dfb71 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/SimpleItemTouchHelperCallback.java
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/SimpleItemTouchHelperCallback.java
@@ -17,9 +17,9 @@
 package com.v2ray.ang.helper;
 
 import android.graphics.Canvas;
-import android.support.v7.widget.GridLayoutManager;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 /**
  * An implementation of {@link ItemTouchHelper.Callback} that enables basic drag & drop and
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/AngApplication.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/AngApplication.kt
index 38787b788..6ca82ded8 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/AngApplication.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/AngApplication.kt
@@ -1,7 +1,7 @@
 package com.v2ray.ang
 
-import android.support.multidex.MultiDexApplication
-import android.support.v7.preference.PreferenceManager
+import androidx.multidex.MultiDexApplication
+import androidx.preference.PreferenceManager
 import com.tencent.mmkv.MMKV
 
 class AngApplication : MultiDexApplication() {
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/extension/_Dialog.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/extension/_Dialog.kt
index f70b51301..1addbfe10 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/extension/_Dialog.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/extension/_Dialog.kt
@@ -6,7 +6,7 @@ import android.content.Context
 import android.content.DialogInterface
 import android.database.Cursor
 import android.graphics.drawable.Drawable
-import android.support.v7.app.AlertDialog
+import androidx.appcompat.app.AlertDialog
 import android.view.KeyEvent
 import android.view.View
 import android.widget.ListAdapter
@@ -241,4 +241,4 @@ class KAlertDialogBuilder(val ctx: Context) {
     fun adapter(cursor: Cursor, labelColumn: String, f: (which: Int) -> Unit) {
         builder.setCursor(cursor, { dialog, which -> f(which) }, labelColumn)
     }
-}
\ No newline at end of file
+}
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayServiceManager.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayServiceManager.kt
index 61acaafb4..cf44bfa2f 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayServiceManager.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayServiceManager.kt
@@ -10,8 +10,8 @@ import android.content.Intent
 import android.content.IntentFilter
 import android.graphics.Color
 import android.os.Build
-import android.support.annotation.RequiresApi
-import android.support.v4.app.NotificationCompat
+import androidx.annotation.RequiresApi
+import androidx.core.app.NotificationCompat
 import android.util.Log
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayVpnService.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayVpnService.kt
index 0a21a3130..586c5c00d 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayVpnService.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayVpnService.kt
@@ -8,7 +8,7 @@ import android.net.*
 import android.os.Build
 import android.os.ParcelFileDescriptor
 import android.os.StrictMode
-import android.support.annotation.RequiresApi
+import androidx.annotation.RequiresApi
 import android.util.Log
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/BaseActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/BaseActivity.kt
index 8ea4d87c0..3f11b6493 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/BaseActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/BaseActivity.kt
@@ -1,6 +1,6 @@
 package com.v2ray.ang.ui
 
-import android.support.v7.app.AppCompatActivity
+import androidx.appcompat.app.AppCompatActivity
 import android.view.MenuItem
 
 abstract class BaseActivity : AppCompatActivity() {
@@ -11,4 +11,4 @@ abstract class BaseActivity : AppCompatActivity() {
         }
         else -> super.onOptionsItemSelected(item)
     }
-}
\ No newline at end of file
+}
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/FragmentAdapter.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/FragmentAdapter.kt
index e4d34e3f0..f90b3e79d 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/FragmentAdapter.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/FragmentAdapter.kt
@@ -1,9 +1,9 @@
 package com.v2ray.ang.ui
 
 
-import android.support.v4.app.Fragment
-import android.support.v4.app.FragmentManager
-import android.support.v4.app.FragmentStatePagerAdapter
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentStatePagerAdapter
 
 class FragmentAdapter(fm: FragmentManager, private val mFragments: List<Fragment>, private val mTitles: List<String>) : FragmentStatePagerAdapter(fm) {
 
@@ -18,4 +18,4 @@ class FragmentAdapter(fm: FragmentManager, private val mFragments: List<Fragment
     override fun getPageTitle(position: Int): CharSequence? {
         return mTitles[position]
     }
-}
\ No newline at end of file
+}
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
index a86307791..090e5d7fc 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
@@ -1,16 +1,16 @@
 package com.v2ray.ang.ui
 
 import android.Manifest
-import android.arch.lifecycle.ViewModelProviders
+import androidx.lifecycle.ViewModelProviders
 import android.content.Intent
 import android.net.Uri
 import android.net.VpnService
 import android.os.Bundle
-import android.support.design.widget.NavigationView
-import android.support.v4.view.GravityCompat
-import android.support.v7.app.ActionBarDrawerToggle
-import android.support.v7.widget.LinearLayoutManager
-import android.support.v7.widget.helper.ItemTouchHelper
+import com.google.android.material.navigation.NavigationView
+import androidx.core.view.GravityCompat
+import androidx.appcompat.app.ActionBarDrawerToggle
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.ItemTouchHelper
 import android.text.TextUtils
 import android.util.Log
 import android.view.KeyEvent
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt
index 9880e251c..8cf548a3a 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt
@@ -2,9 +2,9 @@ package com.v2ray.ang.ui
 
 import android.content.Intent
 import android.graphics.Color
-import android.support.v4.content.ContextCompat
-import android.support.v7.app.AlertDialog
-import android.support.v7.widget.RecyclerView
+import androidx.core.content.ContextCompat
+import androidx.appcompat.app.AlertDialog
+import androidx.recyclerview.widget.RecyclerView
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/PerAppProxyActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/PerAppProxyActivity.kt
index 26a49520d..e8712a7d9 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/PerAppProxyActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/PerAppProxyActivity.kt
@@ -4,10 +4,10 @@ import android.animation.Animator
 import android.animation.AnimatorListenerAdapter
 import android.content.Context
 import android.os.Bundle
-import android.support.v7.preference.PreferenceManager
-import android.support.v7.widget.DividerItemDecoration
-import android.support.v7.widget.LinearLayoutManager
-import android.support.v7.widget.RecyclerView
+import androidx.preference.PreferenceManager
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import android.text.TextUtils
 import android.util.Log
 import android.view.Menu
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/PerAppProxyAdapter.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/PerAppProxyAdapter.kt
index cc2d60887..234594a04 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/PerAppProxyAdapter.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/PerAppProxyAdapter.kt
@@ -1,7 +1,7 @@
 package com.v2ray.ang.ui
 
 import android.graphics.Color
-import android.support.v7.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/RoutingSettingsActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/RoutingSettingsActivity.kt
index 43f5ae7ae..d672a331b 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/RoutingSettingsActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/RoutingSettingsActivity.kt
@@ -3,7 +3,7 @@ package com.v2ray.ang.ui
 import android.graphics.Color
 import android.os.Bundle
 import com.v2ray.ang.R
-import android.support.v4.app.Fragment
+import androidx.fragment.app.Fragment
 import com.v2ray.ang.AppConfig
 import kotlinx.android.synthetic.main.activity_routing_settings.*
 
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/RoutingSettingsFragment.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/RoutingSettingsFragment.kt
index 993c2d32a..6b401fe34 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/RoutingSettingsFragment.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/RoutingSettingsFragment.kt
@@ -4,8 +4,8 @@ import android.Manifest
 import android.app.Activity.RESULT_OK
 import android.content.Intent
 import android.os.Bundle
-import android.support.v4.app.Fragment
-import android.support.v7.preference.PreferenceManager
+import androidx.fragment.app.Fragment
+import androidx.preference.PreferenceManager
 import android.view.*
 import com.v2ray.ang.R
 import com.v2ray.ang.util.Utils
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
index 7a068474a..015c1c7ae 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
@@ -1,7 +1,7 @@
 package com.v2ray.ang.ui
 
 import android.os.Bundle
-import android.support.v7.app.AlertDialog
+import androidx.appcompat.app.AlertDialog
 import android.text.TextUtils
 import android.view.Menu
 import android.view.MenuItem
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
index 5c3cc36d6..216130772 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
@@ -1,11 +1,12 @@
 package com.v2ray.ang.ui
 
 import android.os.Bundle
-import android.support.v7.app.AlertDialog
 import android.text.TextUtils
 import android.view.Menu
 import android.view.MenuItem
 import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import com.blacksquircle.ui.language.json.JsonLanguage
 import com.google.gson.Gson
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.R
@@ -34,6 +35,7 @@ class ServerCustomConfigActivity : BaseActivity() {
         setContentView(R.layout.activity_server_custom_config)
         title = getString(R.string.title_server)
 
+        editor.language = JsonLanguage()
         val config = MmkvManager.decodeServerConfig(editGuid)
         if (config != null) {
             bindingServer(config)
@@ -50,9 +52,9 @@ class ServerCustomConfigActivity : BaseActivity() {
         et_remarks.text = Utils.getEditable(config.remarks)
         val raw = serverRawStorage?.decodeString(editGuid)
         if (raw.isNullOrBlank()) {
-            tv_content.text = Utils.getEditable(config.fullConfig?.toPrettyPrinting().orEmpty())
+            editor.setTextContent(Utils.getEditable(config.fullConfig?.toPrettyPrinting().orEmpty()))
         } else {
-            tv_content.text = Utils.getEditable(raw)
+            editor.setTextContent(Utils.getEditable(raw))
         }
         return true
     }
@@ -75,7 +77,7 @@ class ServerCustomConfigActivity : BaseActivity() {
         }
 
         val v2rayConfig = try {
-            Gson().fromJson(tv_content.text.toString(), V2rayConfig::class.java)
+            Gson().fromJson(editor.text.toString(), V2rayConfig::class.java)
         } catch (e: Exception) {
             e.printStackTrace()
             ToastCompat.makeText(this, "${getString(R.string.toast_malformed_josn)} ${e.cause?.message}", Toast.LENGTH_LONG).show()
@@ -87,7 +89,7 @@ class ServerCustomConfigActivity : BaseActivity() {
         config.fullConfig = v2rayConfig
 
         MmkvManager.encodeServerConfig(editGuid, config)
-        serverRawStorage?.encode(editGuid, tv_content.text.toString())
+        serverRawStorage?.encode(editGuid, editor.text.toString())
         toast(R.string.toast_success)
         finish()
         return true
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SettingsActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SettingsActivity.kt
index 786dbc8b0..ff5f57055 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SettingsActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SettingsActivity.kt
@@ -1,9 +1,9 @@
 package com.v2ray.ang.ui
 
-import android.arch.lifecycle.ViewModelProviders
+import androidx.lifecycle.ViewModelProviders
 import android.content.Intent
 import android.os.Bundle
-import android.support.v7.preference.*
+import androidx.preference.*
 import android.text.TextUtils
 import android.view.View
 import com.v2ray.ang.R
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubEditActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubEditActivity.kt
index f35cdff66..2163dbbb5 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubEditActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubEditActivity.kt
@@ -1,7 +1,7 @@
 package com.v2ray.ang.ui
 
 import android.os.Bundle
-import android.support.v7.app.AlertDialog
+import androidx.appcompat.app.AlertDialog
 import android.text.TextUtils
 import android.view.Menu
 import android.view.MenuItem
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubSettingActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubSettingActivity.kt
index 5cc997036..a007814c1 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubSettingActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubSettingActivity.kt
@@ -6,7 +6,7 @@ import android.view.MenuItem
 import com.v2ray.ang.R
 import kotlinx.android.synthetic.main.activity_sub_setting.*
 import android.os.Bundle
-import android.support.v7.widget.LinearLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager
 import com.v2ray.ang.dto.SubscriptionItem
 import com.v2ray.ang.util.MmkvManager
 
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubSettingRecyclerAdapter.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubSettingRecyclerAdapter.kt
index 56998f63f..ef374229c 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubSettingRecyclerAdapter.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubSettingRecyclerAdapter.kt
@@ -2,7 +2,7 @@ package com.v2ray.ang.ui
 
 import android.content.Intent
 import android.graphics.Color
-import android.support.v7.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/AngConfigManager.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/AngConfigManager.kt
index 9ef5d8016..0ee7e793b 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/AngConfigManager.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/AngConfigManager.kt
@@ -3,7 +3,7 @@ package com.v2ray.ang.util
 import android.content.Context
 import android.content.SharedPreferences
 import android.graphics.Bitmap
-import android.support.v7.preference.PreferenceManager
+import androidx.preference.PreferenceManager
 import android.text.TextUtils
 import com.google.gson.Gson
 import com.tencent.mmkv.MMKV
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt
index e90d2a7fa..17904f1de 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt
@@ -1,8 +1,8 @@
 package com.v2ray.ang.viewmodel
 
 import android.app.Application
-import android.arch.lifecycle.AndroidViewModel
-import android.arch.lifecycle.MutableLiveData
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.MutableLiveData
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/SettingsViewModel.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/SettingsViewModel.kt
index 1cecc9b97..fde2ef80f 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/SettingsViewModel.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/SettingsViewModel.kt
@@ -1,9 +1,9 @@
 package com.v2ray.ang.viewmodel
 
 import android.app.Application
-import android.arch.lifecycle.AndroidViewModel
+import androidx.lifecycle.AndroidViewModel
 import android.content.SharedPreferences
-import android.support.v7.preference.PreferenceManager
+import androidx.preference.PreferenceManager
 import android.util.Log
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
diff --git a/V2rayNG/app/src/main/res/layout/activity_bypass_list.xml b/V2rayNG/app/src/main/res/layout/activity_bypass_list.xml
index 1a6c4b8bb..7b1028db4 100644
--- a/V2rayNG/app/src/main/res/layout/activity_bypass_list.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_bypass_list.xml
@@ -13,17 +13,17 @@
         android:layout_centerHorizontal="true"
         android:layout_centerVertical="true" />
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recycler_view"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_alignParentEnd="true"
         android:layout_alignParentRight="true"
         android:layout_alignParentTop="true"
-        app:layoutManager="android.support.v7.widget.LinearLayoutManager"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
         tools:context=".ui.PerAppProxyActivity" />
 
-    <android.support.v7.widget.LinearLayoutCompat
+    <androidx.appcompat.widget.LinearLayoutCompat
         android:id="@+id/header_view"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -37,7 +37,7 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/bypass_list_header_height">
 
-            <android.support.v7.widget.SwitchCompat
+            <androidx.appcompat.widget.SwitchCompat
                 android:id="@+id/switch_per_app_proxy"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -45,7 +45,7 @@
                 android:layout_alignParentRight="true"
                 android:layout_centerVertical="true" />
 
-            <android.support.v7.widget.AppCompatTextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_alignParentLeft="true"
@@ -63,7 +63,7 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/bypass_list_header_height">
 
-            <android.support.v7.widget.SwitchCompat
+            <androidx.appcompat.widget.SwitchCompat
                 android:id="@+id/switch_bypass_apps"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -71,7 +71,7 @@
                 android:layout_alignParentRight="true"
                 android:layout_centerVertical="true" />
 
-            <android.support.v7.widget.AppCompatTextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/tv_bypass_apps"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -89,11 +89,11 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/bypass_list_header_height">
 
-            <android.support.design.widget.TextInputLayout
+            <com.google.android.material.textfield.TextInputLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content">
 
-                <android.support.v7.widget.AppCompatEditText
+                <androidx.appcompat.widget.AppCompatEditText
                     android:id="@+id/et_search"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
@@ -103,11 +103,11 @@
                     android:maxLines="1"
                     android:singleLine="true"
                     android:textAppearance="@style/TextAppearance.AppCompat.Small" />
-            </android.support.design.widget.TextInputLayout>
+            </com.google.android.material.textfield.TextInputLayout>
 
         </RelativeLayout>
 
 
-    </android.support.v7.widget.LinearLayoutCompat>
+    </androidx.appcompat.widget.LinearLayoutCompat>
 
-</RelativeLayout>
\ No newline at end of file
+</RelativeLayout>
diff --git a/V2rayNG/app/src/main/res/layout/activity_main.xml b/V2rayNG/app/src/main/res/layout/activity_main.xml
index 8da29fc7b..972af7c1c 100644
--- a/V2rayNG/app/src/main/res/layout/activity_main.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_main.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.drawerlayout.widget.DrawerLayout 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/drawer_layout"
@@ -12,19 +12,19 @@
         android:layout_height="match_parent"
         android:orientation="vertical">
 
-        <android.support.design.widget.AppBarLayout
+        <com.google.android.material.appbar.AppBarLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:theme="@style/AppTheme.AppBarOverlay">
 
-            <android.support.v7.widget.Toolbar
+            <androidx.appcompat.widget.Toolbar
                 android:id="@+id/toolbar"
                 android:layout_width="match_parent"
                 android:layout_height="?attr/actionBarSize"
                 android:background="?attr/colorPrimary"
                 app:popupTheme="@style/AppTheme.PopupOverlay" />
 
-        </android.support.design.widget.AppBarLayout>
+        </com.google.android.material.appbar.AppBarLayout>
 
         <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
             xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -34,7 +34,7 @@
             android:fitsSystemWindows="true"
             tools:context=".ui.MainActivity">
 
-            <android.support.design.widget.CoordinatorLayout
+            <androidx.coordinatorlayout.widget.CoordinatorLayout
                 android:id="@+id/main_content"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent">
@@ -44,7 +44,7 @@
                     android:layout_height="match_parent"
                     android:orientation="vertical">
 
-                    <android.support.v7.widget.RecyclerView
+                    <androidx.recyclerview.widget.RecyclerView
                         android:id="@+id/recycler_view"
                         android:layout_width="match_parent"
                         android:layout_height="0dp"
@@ -83,7 +83,7 @@
                     android:layout_marginBottom="24dp"
                     android:layout_gravity="bottom|end">
 
-                    <android.support.design.widget.FloatingActionButton
+                    <com.google.android.material.floatingactionbutton.FloatingActionButton
                         android:id="@+id/fab"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
@@ -101,11 +101,11 @@
                         android:nextFocusLeft="@+id/recycler_view" />
 
                 </com.github.jorgecastilloprz.FABProgressCircle>
-            </android.support.design.widget.CoordinatorLayout>
+            </androidx.coordinatorlayout.widget.CoordinatorLayout>
         </RelativeLayout>
     </LinearLayout>
 
-    <android.support.design.widget.NavigationView
+    <com.google.android.material.navigation.NavigationView
         android:id="@+id/nav_view"
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
@@ -129,7 +129,7 @@
                     android:gravity="center"
                     android:textColor="@color/accent" />
         </LinearLayout>
-    </android.support.design.widget.NavigationView>
+    </com.google.android.material.navigation.NavigationView>
 
-</android.support.v4.widget.DrawerLayout>
+</androidx.drawerlayout.widget.DrawerLayout>
 
diff --git a/V2rayNG/app/src/main/res/layout/activity_routing_settings.xml b/V2rayNG/app/src/main/res/layout/activity_routing_settings.xml
index 15d7d8041..1c99fc958 100644
--- a/V2rayNG/app/src/main/res/layout/activity_routing_settings.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_routing_settings.xml
@@ -4,14 +4,14 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="vertical">
 
-    <android.support.design.widget.TabLayout
+    <com.google.android.material.tabs.TabLayout
         android:id="@+id/tablayout"
         android:layout_width="match_parent"
         android:layout_height="wrap_content" />
 
-    <android.support.v4.view.ViewPager
+    <androidx.viewpager.widget.ViewPager
         android:id="@+id/viewpager"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/V2rayNG/app/src/main/res/layout/activity_server_custom_config.xml b/V2rayNG/app/src/main/res/layout/activity_server_custom_config.xml
index 7924443ca..4f0a5e680 100644
--- a/V2rayNG/app/src/main/res/layout/activity_server_custom_config.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_server_custom_config.xml
@@ -8,14 +8,13 @@
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:padding="@dimen/layout_margin_top_height">
+        android:orientation="vertical">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="vertical"
-            android:paddingBottom="@dimen/layout_margin_top_height">
+            android:layout_margin="@dimen/layout_margin_spacing">
 
             <TextView
                 android:layout_width="wrap_content"
@@ -28,7 +27,8 @@
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:orientation="vertical">
+            android:orientation="vertical"
+            android:layout_margin="@dimen/layout_margin_spacing">
 
             <TextView
                 android:layout_width="wrap_content"
@@ -40,7 +40,7 @@
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/layout_margin_top_height"
+            android:layout_margin="@dimen/layout_margin_spacing"
             android:orientation="vertical">
 
             <TextView
@@ -59,24 +59,24 @@
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/layout_margin_top_height"
             android:orientation="vertical">
 
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:layout_margin="@dimen/layout_margin_spacing"
                 android:text="@string/server_lab_content"
                 android:textAppearance="@style/TextAppearance.AppCompat.Subhead" />
 
-            <EditText
-                android:id="@+id/tv_content"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:layout_marginTop="@dimen/layout_margin_top_height"
-                android:text="" />
+            <com.blacksquircle.ui.editorkit.widget.TextProcessor
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:gravity="top|start"
+                    android:id="@+id/editor"
+                    android:layout_marginTop="@dimen/layout_margin_top_height" />
         </LinearLayout>
 
 
 
     </LinearLayout>
-</ScrollView>
\ No newline at end of file
+</ScrollView>
diff --git a/V2rayNG/app/src/main/res/layout/activity_sub_setting.xml b/V2rayNG/app/src/main/res/layout/activity_sub_setting.xml
index 033da71fc..5e3133624 100644
--- a/V2rayNG/app/src/main/res/layout/activity_sub_setting.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_sub_setting.xml
@@ -8,15 +8,15 @@
     android:fitsSystemWindows="true"
     tools:context=".ui.MainActivity">
 
-    <android.support.design.widget.CoordinatorLayout
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:id="@+id/main_content"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
-        <android.support.v7.widget.RecyclerView
+        <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/recycler_view"
             android:layout_width="match_parent"
             android:layout_height="match_parent" />
 
-    </android.support.design.widget.CoordinatorLayout>
-</RelativeLayout>
\ No newline at end of file
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+</RelativeLayout>
diff --git a/V2rayNG/app/src/main/res/layout/activity_tasker.xml b/V2rayNG/app/src/main/res/layout/activity_tasker.xml
index f2661896b..8994d8410 100644
--- a/V2rayNG/app/src/main/res/layout/activity_tasker.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_tasker.xml
@@ -10,7 +10,7 @@
         android:layout_width="match_parent"
         android:layout_height="@dimen/bypass_list_header_height">
 
-        <android.support.v7.widget.SwitchCompat
+        <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/switch_start_service"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
@@ -19,7 +19,7 @@
             android:layout_centerVertical="true"
             android:checked="true" />
 
-        <android.support.v7.widget.AppCompatTextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_alignParentLeft="true"
@@ -45,4 +45,4 @@
             android:choiceMode="singleChoice" />
     </LinearLayout>
 
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/V2rayNG/app/src/main/res/layout/item_recycler_bypass_list.xml b/V2rayNG/app/src/main/res/layout/item_recycler_bypass_list.xml
index bde3c01de..d705e5eb2 100644
--- a/V2rayNG/app/src/main/res/layout/item_recycler_bypass_list.xml
+++ b/V2rayNG/app/src/main/res/layout/item_recycler_bypass_list.xml
@@ -7,7 +7,7 @@
     android:clickable="true"
     android:focusable="true">
 
-    <android.support.v7.widget.AppCompatImageView
+    <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/icon"
         android:layout_width="46dp"
         android:layout_height="46dp"
@@ -25,12 +25,12 @@
         android:paddingStart="@dimen/layout_margin_right_height"
         android:paddingEnd="@dimen/layout_margin_right_height">
 
-        <android.support.v7.widget.AppCompatTextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/name"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
 
-        <android.support.v7.widget.AppCompatTextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/package_name"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -38,7 +38,7 @@
     </LinearLayout>
 
 
-    <android.support.v7.widget.AppCompatCheckBox
+    <androidx.appcompat.widget.AppCompatCheckBox
         android:id="@+id/check_box"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
@@ -49,4 +49,4 @@
         android:paddingEnd="6dp"
         android:paddingRight="6dp" />
 
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/V2rayNG/app/src/main/res/layout/item_recycler_main.xml b/V2rayNG/app/src/main/res/layout/item_recycler_main.xml
index 778b7e153..a0855c407 100644
--- a/V2rayNG/app/src/main/res/layout/item_recycler_main.xml
+++ b/V2rayNG/app/src/main/res/layout/item_recycler_main.xml
@@ -7,7 +7,7 @@
         android:layout_height="wrap_content"
         android:gravity="center_vertical">
 
-    <android.support.v7.widget.CardView
+    <androidx.cardview.widget.CardView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_margin="3dp"
@@ -24,7 +24,7 @@
             android:focusable="true"
             android:nextFocusRight="@+id/layout_share">
 
-            <android.support.v7.widget.AppCompatRadioButton
+            <androidx.appcompat.widget.AppCompatRadioButton
                     android:id="@+id/btn_radio"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
@@ -182,5 +182,5 @@
             </LinearLayout>
         </LinearLayout>
 
-    </android.support.v7.widget.CardView>
+    </androidx.cardview.widget.CardView>
 </LinearLayout>
diff --git a/V2rayNG/app/src/main/res/layout/item_recycler_sub_setting.xml b/V2rayNG/app/src/main/res/layout/item_recycler_sub_setting.xml
index c4d66627d..aa370e410 100644
--- a/V2rayNG/app/src/main/res/layout/item_recycler_sub_setting.xml
+++ b/V2rayNG/app/src/main/res/layout/item_recycler_sub_setting.xml
@@ -5,7 +5,7 @@
     android:layout_height="wrap_content"
     android:gravity="center_vertical">
 
-    <android.support.v7.widget.CardView xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    <androidx.cardview.widget.CardView xmlns:card_view="http://schemas.android.com/apk/res-auto"
         android:id="@+id/item_cardview"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -102,5 +102,5 @@
 
         </LinearLayout>
 
-    </android.support.v7.widget.CardView>
-</LinearLayout>
\ No newline at end of file
+    </androidx.cardview.widget.CardView>
+</LinearLayout>
diff --git a/V2rayNG/app/src/main/res/layout/nav_toolbar.xml b/V2rayNG/app/src/main/res/layout/nav_toolbar.xml
index d1a0d9105..c77a5f070 100644
--- a/V2rayNG/app/src/main/res/layout/nav_toolbar.xml
+++ b/V2rayNG/app/src/main/res/layout/nav_toolbar.xml
@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.AppBarLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<com.google.android.material.appbar.AppBarLayout 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="?android:attr/actionBarSize"
     android:theme="@style/AppTheme.AppBarOverlay">
 
-    <android.support.v7.widget.Toolbar
+    <androidx.appcompat.widget.Toolbar
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         app:layout_scrollFlags="scroll|enterAlways"
         app:popupTheme="@style/AppTheme.PopupOverlay" />
 
-</android.support.design.widget.AppBarLayout>
\ No newline at end of file
+</com.google.android.material.appbar.AppBarLayout>
diff --git a/V2rayNG/app/src/main/res/layout/nav_view.xml b/V2rayNG/app/src/main/res/layout/nav_view.xml
index 77b0d6ca3..8268c6e81 100644
--- a/V2rayNG/app/src/main/res/layout/nav_view.xml
+++ b/V2rayNG/app/src/main/res/layout/nav_view.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.NavigationView xmlns:android="http://schemas.android.com/apk/res/android"
+<com.google.android.material.navigation.NavigationView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/nav_view"
     android:layout_width="wrap_content"
@@ -8,4 +8,4 @@
     app:headerLayout="@layout/nav_header"
     app:itemTextColor="@color/colorPrimary"
     app:itemIconTint="@color/colorPrimary_dark"
-    app:menu="@menu/menu_drawer" />
\ No newline at end of file
+    app:menu="@menu/menu_drawer" />
diff --git a/V2rayNG/gradle.properties b/V2rayNG/gradle.properties
index 6c31f8903..d155321c5 100644
--- a/V2rayNG/gradle.properties
+++ b/V2rayNG/gradle.properties
@@ -14,8 +14,10 @@ org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryErro
 # org.gradle.parallel=true
 #Fri Jun 02 14:08:42 CST 2017
 kotlinVersion=1.4.10
-supportLibVersion=28.0.0
+supportLibVersion=1.0.0
 buildToolsVer=30.0.2
 compileSdkVer=30
 kotlin.incremental=true
 targetSdkVer=30
+android.useAndroidX=true
+android.enableJetifier=true