diff --git a/build.gradle b/build.gradle
index 8558d6c3..63d96ee5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,7 +35,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.2'
+        classpath 'com.android.tools.build:gradle:4.1.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
         classpath "com.squareup.wire:wire-gradle-plugin:$wireVersion"
     }
@@ -45,8 +45,8 @@ allprojects {
     apply plugin: 'idea'
 
     group = 'org.microg.gms'
-    version = "0.2.18.210390"
-    ext.appVersionCode = 210390001
+    version = "0.2.18.210500"
+    ext.appVersionCode = 210500001
     ext.isReleaseVersion = false
 }
 
diff --git a/play-services-base/src/main/java/com/google/android/gms/common/GoogleApiAvailability.java b/play-services-base/src/main/java/com/google/android/gms/common/GoogleApiAvailability.java
index 889cc7f6..30afec09 100644
--- a/play-services-base/src/main/java/com/google/android/gms/common/GoogleApiAvailability.java
+++ b/play-services-base/src/main/java/com/google/android/gms/common/GoogleApiAvailability.java
@@ -163,6 +163,19 @@ public class GoogleApiAvailability {
         return SUCCESS;
     }
 
+    /**
+     * Verifies that Google Play services is installed and enabled on this device, and that the version installed on
+     * this device is no older than the one required by this client or the version is not older than the one specified
+     * in <code>minApkVersion</code>.
+     *
+     * @return status code indicating whether there was an error. Can be one of following in
+     * {@link ConnectionResult}: SUCCESS, SERVICE_MISSING, SERVICE_UPDATING,
+     * SERVICE_VERSION_UPDATE_REQUIRED, SERVICE_DISABLED, SERVICE_INVALID
+     */
+    public int isGooglePlayServicesAvailable(Context context, int minApkVersion) {
+        return isGooglePlayServicesAvailable(context);
+    }
+
     /**
      * Determines whether an error can be resolved via user action. If true, proceed by calling
      * {@link #getErrorDialog(Activity, int, int)} and showing the dialog.
diff --git a/play-services-basement/build.gradle b/play-services-basement/build.gradle
index 4f2f05c5..bc627a1b 100644
--- a/play-services-basement/build.gradle
+++ b/play-services-basement/build.gradle
@@ -16,7 +16,6 @@
 
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
 
 dependencies {
     api "org.microg:safe-parcel:1.7.0"
@@ -41,6 +40,10 @@ android {
         buildConfigField "int", "VERSION_CODE", "$appVersionCode"
     }
 
+    buildFeatures {
+        viewBinding = true
+    }
+
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
diff --git a/play-services-core/build.gradle b/play-services-core/build.gradle
index 2a878698..7f3739f6 100644
--- a/play-services-core/build.gradle
+++ b/play-services-core/build.gradle
@@ -17,7 +17,6 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
-apply plugin: 'kotlin-android-extensions'
 
 dependencies {
     implementation 'com.squareup.wire:wire-runtime:3.6.1'
@@ -70,6 +69,7 @@ android {
 
     buildFeatures {
         dataBinding = true
+        viewBinding = true
     }
 
     sourceSets {
diff --git a/play-services-core/src/main/AndroidManifest.xml b/play-services-core/src/main/AndroidManifest.xml
index 0f7699b3..8acb9c0d 100644
--- a/play-services-core/src/main/AndroidManifest.xml
+++ b/play-services-core/src/main/AndroidManifest.xml
@@ -331,12 +331,6 @@
                 android:resource="@string/gms_settings_summary" />
         </activity-alias>
 
-        <activity
-            android:name="org.microg.gms.ui.AskPushPermission"
-            android:excludeFromRecents="true"
-            android:process=":ui"
-            android:theme="@style/Theme.AppCompat.DayNight.Dialog.Alert.NoActionBar" />
-
         <activity
             android:name="org.microg.gms.ui.AboutFragment$AsActivity"
             android:label="@string/pref_about_title"
diff --git a/play-services-core/src/main/java/org/microg/gms/checkin/CheckinService.java b/play-services-core/src/main/java/org/microg/gms/checkin/CheckinService.java
index 56c273b9..dd32c1e1 100755
--- a/play-services-core/src/main/java/org/microg/gms/checkin/CheckinService.java
+++ b/play-services-core/src/main/java/org/microg/gms/checkin/CheckinService.java
@@ -95,7 +95,9 @@ public class CheckinService extends IntentService {
         } catch (Exception e) {
             Log.w(TAG, e);
         } finally {
-            WakefulBroadcastReceiver.completeWakefulIntent(intent);
+            if (intent != null) {
+                WakefulBroadcastReceiver.completeWakefulIntent(intent);
+            }
             schedule(this);
             stopSelf();
         }
diff --git a/play-services-core/src/main/java/org/microg/gms/gcm/GcmDatabase.java b/play-services-core/src/main/java/org/microg/gms/gcm/GcmDatabase.java
index bc524047..ce32d8d3 100644
--- a/play-services-core/src/main/java/org/microg/gms/gcm/GcmDatabase.java
+++ b/play-services-core/src/main/java/org/microg/gms/gcm/GcmDatabase.java
@@ -1,17 +1,6 @@
 /*
- * Copyright (C) 2013-2017 microG Project Team
- *
- * 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.
+ * SPDX-FileCopyrightText: 2016, microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 package org.microg.gms.gcm;
@@ -81,13 +70,13 @@ public class GcmDatabase extends SQLiteOpenHelper {
         public final boolean wakeForDelivery;
 
         private App(Cursor cursor) {
-            packageName = cursor.getString(cursor.getColumnIndex(FIELD_PACKAGE_NAME));
-            lastError = cursor.getString(cursor.getColumnIndex(FIELD_LAST_ERROR));
-            lastMessageTimestamp = cursor.getLong(cursor.getColumnIndex(FIELD_LAST_MESSAGE_TIMESTAMP));
-            totalMessageCount = cursor.getLong(cursor.getColumnIndex(FIELD_TOTAL_MESSAGE_COUNT));
-            totalMessageBytes = cursor.getLong(cursor.getColumnIndex(FIELD_TOTAL_MESSAGE_BYTES));
-            allowRegister = cursor.getLong(cursor.getColumnIndex(FIELD_ALLOW_REGISTER)) == 1;
-            wakeForDelivery = cursor.getLong(cursor.getColumnIndex(FIELD_WAKE_FOR_DELIVERY)) == 1;
+            packageName = cursor.getString(cursor.getColumnIndexOrThrow(FIELD_PACKAGE_NAME));
+            lastError = cursor.getString(cursor.getColumnIndexOrThrow(FIELD_LAST_ERROR));
+            lastMessageTimestamp = cursor.getLong(cursor.getColumnIndexOrThrow(FIELD_LAST_MESSAGE_TIMESTAMP));
+            totalMessageCount = cursor.getLong(cursor.getColumnIndexOrThrow(FIELD_TOTAL_MESSAGE_COUNT));
+            totalMessageBytes = cursor.getLong(cursor.getColumnIndexOrThrow(FIELD_TOTAL_MESSAGE_BYTES));
+            allowRegister = cursor.getLong(cursor.getColumnIndexOrThrow(FIELD_ALLOW_REGISTER)) == 1;
+            wakeForDelivery = cursor.getLong(cursor.getColumnIndexOrThrow(FIELD_WAKE_FOR_DELIVERY)) == 1;
         }
 
         public boolean hasError() {
@@ -102,10 +91,10 @@ public class GcmDatabase extends SQLiteOpenHelper {
         public final String registerId;
 
         public Registration(Cursor cursor) {
-            packageName = cursor.getString(cursor.getColumnIndex(FIELD_PACKAGE_NAME));
-            signature = cursor.getString(cursor.getColumnIndex(FIELD_SIGNATURE));
-            timestamp = cursor.getLong(cursor.getColumnIndex(FIELD_TIMESTAMP));
-            registerId = cursor.getString(cursor.getColumnIndex(FIELD_REGISTER_ID));
+            packageName = cursor.getString(cursor.getColumnIndexOrThrow(FIELD_PACKAGE_NAME));
+            signature = cursor.getString(cursor.getColumnIndexOrThrow(FIELD_SIGNATURE));
+            timestamp = cursor.getLong(cursor.getColumnIndexOrThrow(FIELD_TIMESTAMP));
+            registerId = cursor.getString(cursor.getColumnIndexOrThrow(FIELD_REGISTER_ID));
         }
     }
 
diff --git a/play-services-core/src/main/java/org/microg/gms/gcm/McsService.java b/play-services-core/src/main/java/org/microg/gms/gcm/McsService.java
index cdf5b3ca..8b3d45d7 100644
--- a/play-services-core/src/main/java/org/microg/gms/gcm/McsService.java
+++ b/play-services-core/src/main/java/org/microg/gms/gcm/McsService.java
@@ -320,7 +320,7 @@ public class McsService extends Service implements Handler.Callback {
                 WakefulBroadcastReceiver.completeWakefulIntent(intent);
             } else if (connectIntent == null) {
                 connectIntent = intent;
-            } else {
+            } else if (intent != null) {
                 WakefulBroadcastReceiver.completeWakefulIntent(intent);
             }
         }
diff --git a/play-services-core/src/main/java/org/microg/gms/people/PeopleManager.java b/play-services-core/src/main/java/org/microg/gms/people/PeopleManager.java
index c7ed2c0e..c50f2b09 100644
--- a/play-services-core/src/main/java/org/microg/gms/people/PeopleManager.java
+++ b/play-services-core/src/main/java/org/microg/gms/people/PeopleManager.java
@@ -42,13 +42,13 @@ public class PeopleManager {
     public static final String USERINFO_URL = "https://www.googleapis.com/oauth2/v1/userinfo";
     public static final String REGEX_SEARCH_USER_PHOTO = "https?\\:\\/\\/lh([0-9]*)\\.googleusercontent\\.com/";
 
-    public static File getOwnerAvaterFile(Context context, String accountName, boolean network) {
+    public static File getOwnerAvatarFile(Context context, String accountName, boolean network) {
         DatabaseHelper databaseHelper = new DatabaseHelper(context);
         Cursor cursor = databaseHelper.getOwner(accountName);
         String url = null;
         if (cursor.moveToNext()) {
             int idx = cursor.getColumnIndex("avatar");
-            if (!cursor.isNull(idx)) url = cursor.getString(idx);
+            if (idx >= 0 && !cursor.isNull(idx)) url = cursor.getString(idx);
         }
         cursor.close();
         databaseHelper.close();
@@ -75,7 +75,7 @@ public class PeopleManager {
     }
 
     public static Bitmap getOwnerAvatarBitmap(Context context, String accountName, boolean network) {
-        File avaterFile = getOwnerAvaterFile(context, accountName, network);
+        File avaterFile = getOwnerAvatarFile(context, accountName, network);
         if (avaterFile == null) return null;
         return BitmapFactory.decodeFile(avaterFile.getPath());
     }
diff --git a/play-services-core/src/main/java/org/microg/gms/people/PeopleServiceImpl.java b/play-services-core/src/main/java/org/microg/gms/people/PeopleServiceImpl.java
index dbccb1c8..8f0a88d3 100644
--- a/play-services-core/src/main/java/org/microg/gms/people/PeopleServiceImpl.java
+++ b/play-services-core/src/main/java/org/microg/gms/people/PeopleServiceImpl.java
@@ -121,7 +121,7 @@ public class PeopleServiceImpl extends IPeopleService.Stub {
             extras.putBoolean("rewindable", false);
             extras.putInt("width", 0);
             extras.putInt("height", 0);
-            File avaterFile = PeopleManager.getOwnerAvaterFile(context, account, true);
+            File avaterFile = PeopleManager.getOwnerAvatarFile(context, account, true);
             try {
                 ParcelFileDescriptor fileDescriptor = null;
                 if (avaterFile != null) {
diff --git a/play-services-core/src/main/java/org/microg/gms/ui/AskPushPermission.java b/play-services-core/src/main/java/org/microg/gms/ui/AskPushPermission.java
deleted file mode 100755
index 8fdef45f..00000000
--- a/play-services-core/src/main/java/org/microg/gms/ui/AskPushPermission.java
+++ /dev/null
@@ -1,64 +0,0 @@
-package org.microg.gms.ui;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.os.Bundle;
-import android.os.ResultReceiver;
-import android.text.Html;
-import android.widget.TextView;
-
-import androidx.fragment.app.FragmentActivity;
-
-import com.mgoogle.android.gms.R;
-
-import org.microg.gms.gcm.GcmDatabase;
-import org.microg.gms.gcm.PushRegisterService;
-
-import static org.microg.gms.gcm.GcmConstants.EXTRA_APP;
-import static org.microg.gms.gcm.GcmConstants.EXTRA_KID;
-import static org.microg.gms.gcm.GcmConstants.EXTRA_PENDING_INTENT;
-
-public class AskPushPermission extends FragmentActivity {
-    public static final String EXTRA_REQUESTED_PACKAGE = "package";
-    public static final String EXTRA_RESULT_RECEIVER = "receiver";
-    public static final String EXTRA_EXPLICIT = "explicit";
-
-    private GcmDatabase database;
-
-    private String packageName;
-    private ResultReceiver resultReceiver;
-    private boolean answered;
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        database = new GcmDatabase(this);
-
-        packageName = getIntent().getStringExtra(EXTRA_REQUESTED_PACKAGE);
-        resultReceiver = getIntent().getParcelableExtra(EXTRA_RESULT_RECEIVER);
-        if (packageName == null || resultReceiver == null) {
-            answered = true;
-            finish();
-            return;
-        }
-
-        if (database.getApp(packageName) != null) {
-            resultReceiver.send(Activity.RESULT_OK, Bundle.EMPTY);
-            answered = true;
-            finish();
-            return;
-        }
-    }
-
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-        if (!answered) {
-            resultReceiver.send(Activity.RESULT_CANCELED, Bundle.EMPTY);
-        }
-        database.close();
-    }
-}
diff --git a/play-services-core/src/main/kotlin/org/microg/gms/gcm/PushRegisterService.kt b/play-services-core/src/main/kotlin/org/microg/gms/gcm/PushRegisterService.kt
index 1b0e0c94..00d0721e 100644
--- a/play-services-core/src/main/kotlin/org/microg/gms/gcm/PushRegisterService.kt
+++ b/play-services-core/src/main/kotlin/org/microg/gms/gcm/PushRegisterService.kt
@@ -24,7 +24,6 @@ import org.microg.gms.common.ForegroundServiceContext
 import org.microg.gms.common.PackageUtils
 import org.microg.gms.common.Utils
 import org.microg.gms.gcm.GcmConstants.*
-import org.microg.gms.ui.AskPushPermission
 import java.util.concurrent.atomic.AtomicBoolean
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
@@ -97,11 +96,12 @@ class PushRegisterService : LifecycleService() {
     }
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        WakefulBroadcastReceiver.completeWakefulIntent(intent)
-        Log.d(TAG, "onStartCommand: $intent")
-        lifecycleScope.launchWhenStarted {
-            if (intent == null) return@launchWhenStarted
-            handleIntent(intent)
+        if (intent != null) {
+            WakefulBroadcastReceiver.completeWakefulIntent(intent)
+            Log.d(TAG, "onStartCommand: $intent")
+            lifecycleScope.launchWhenStarted {
+                handleIntent(intent)
+            }
         }
         return super.onStartCommand(intent, flags, startId)
     }