diff --git a/app/src/main/java/com/owncloud/android/ui/activity/SsoGrantPermissionActivity.java b/app/src/main/java/com/owncloud/android/ui/activity/SsoGrantPermissionActivity.java
index b7926d2463..1d6929ae68 100644
--- a/app/src/main/java/com/owncloud/android/ui/activity/SsoGrantPermissionActivity.java
+++ b/app/src/main/java/com/owncloud/android/ui/activity/SsoGrantPermissionActivity.java
@@ -38,10 +38,11 @@ import android.text.SpannableStringBuilder;
 import android.text.style.ForegroundColorSpan;
 import android.text.style.StyleSpan;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.nextcloud.android.sso.Constants;
 import com.owncloud.android.MainApp;
 import com.owncloud.android.R;
-import com.owncloud.android.databinding.ActivitySsoGrantPermissionBinding;
+import com.owncloud.android.databinding.DialogSsoGrantPermissionBinding;
 import com.owncloud.android.lib.common.OwnCloudAccount;
 import com.owncloud.android.lib.common.accounts.AccountUtils;
 import com.owncloud.android.lib.common.utils.Log_OC;
@@ -72,19 +73,37 @@ public class SsoGrantPermissionActivity extends BaseActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        ActivitySsoGrantPermissionBinding binding = ActivitySsoGrantPermissionBinding.inflate(getLayoutInflater());
-        setContentView(binding.getRoot());
+        DialogSsoGrantPermissionBinding binding = DialogSsoGrantPermissionBinding.inflate(getLayoutInflater());
 
         ComponentName callingActivity = getCallingActivity();
 
         if (callingActivity != null) {
             packageName = callingActivity.getPackageName();
-            String appName = getAppNameForPackage(packageName);
+            final String appName = getAppNameForPackage(packageName);
             account = getIntent().getParcelableExtra(NEXTCLOUD_FILES_ACCOUNT);
-            binding.permissionText.setText(makeSpecialPartsBold(
+
+            final SpannableStringBuilder dialogText = makeSpecialPartsBold(
                 getString(R.string.single_sign_on_request_token, appName, account.name),
                 appName,
-                account.name));
+                account.name);
+            binding.permissionText.setText(dialogText);
+            try {
+                if (packageName != null) {
+                    Drawable appIcon = getPackageManager().getApplicationIcon(packageName);
+                    binding.appIcon.setImageDrawable(appIcon);
+                }
+            } catch (PackageManager.NameNotFoundException e) {
+                Log_OC.e(TAG, "Error retrieving app icon", e);
+            }
+
+            final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this)
+                .setView(binding.getRoot())
+                .setCancelable(false)
+                .setPositiveButton(R.string.permission_allow, (dialog, which) -> grantPermission())
+                .setNegativeButton(R.string.permission_deny, (dialog, which) -> exitFailed());
+
+            builder.show();
+
             Log_OC.v(TAG, "TOKEN-REQUEST: Calling Package: " + packageName);
             Log_OC.v(TAG, "TOKEN-REQUEST: App Name: " + appName);
         } else {
@@ -92,18 +111,6 @@ public class SsoGrantPermissionActivity extends BaseActivity {
             Log_OC.e(TAG, "Calling Package is null");
             setResultAndExit("Request was not executed properly. Use startActivityForResult()");
         }
-
-        try {
-            if (packageName != null) {
-                Drawable appIcon = getPackageManager().getApplicationIcon(packageName);
-                binding.appIcon.setImageDrawable(appIcon);
-            }
-        } catch (PackageManager.NameNotFoundException e) {
-            Log_OC.e(TAG, "Error retrieving app icon", e);
-        }
-
-        binding.btnDecline.setOnClickListener(v -> exitFailed());
-        binding.btnGrant.setOnClickListener(v -> grantPermission());
     }
 
     private SpannableStringBuilder makeSpecialPartsBold(String text, String... toBeStyledText) {
diff --git a/app/src/main/res/layout/activity_sso_grant_permission.xml b/app/src/main/res/layout/activity_sso_grant_permission.xml
deleted file mode 100644
index 224ba8095a..0000000000
--- a/app/src/main/res/layout/activity_sso_grant_permission.xml
+++ /dev/null
@@ -1,89 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Nextcloud Android client application
-
-  Copyright (C) 2018 Andy Scherzinger
-
-  This program is free software; you can redistribute it and/or
-  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
-  License as published by the Free Software Foundation; either
-  version 3 of the License, or any later version.
-
-  This program 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 AFFERO GENERAL PUBLIC LICENSE for more details.
-
-  You should have received a copy of the GNU Affero General Public
-  License along with this program. If not, see <http://www.gnu.org/licenses/>.
--->
-<LinearLayout 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:layout_width="wrap_content"
-              android:layout_height="wrap_content"
-              android:padding="@dimen/standard_margin"
-              android:orientation="horizontal"
-              tools:context="com.owncloud.android.ui.activity.SsoGrantPermissionActivity">
-
-    <ImageView
-        android:id="@+id/appIcon"
-        android:layout_width="@dimen/user_icon_size"
-        android:layout_height="@dimen/user_icon_size"
-        android:layout_gravity="top|start"
-        android:layout_marginEnd="@dimen/standard_margin"
-        android:contentDescription="@null"
-        android:src="@drawable/background"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="@+id/permissionText"/>
-
-    <LinearLayout
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:orientation="vertical">
-
-        <TextView
-            android:id="@+id/permissionText"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:paddingStart="@dimen/zero"
-            android:paddingLeft="@dimen/zero"
-            android:paddingEnd="@dimen/zero"
-            android:paddingRight="@dimen/zero"
-            android:paddingBottom="@dimen/standard_padding"
-            android:textSize="@dimen/permission_dialog_text_size"
-            app:layout_constraintBottom_toTopOf="@+id/btnGrant"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
-            tools:text="Grant Nextcloud News access to your Nextcloud account incrediblyLong_username_with_123456789_number@Nextcloud_dummy.com?"/>
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:gravity="end"
-            android:orientation="horizontal">
-
-            <com.google.android.material.button.MaterialButton
-                android:id="@+id/btnDecline"
-                style="@style/Button.Borderless"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginEnd="@dimen/standard_half_margin"
-                android:text="@string/permission_deny"
-                app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintEnd_toStartOf="@+id/btnGrant"/>
-
-            <com.google.android.material.button.MaterialButton
-                android:id="@+id/btnGrant"
-                style="@style/Button.Borderless"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="@string/permission_allow"
-                app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintEnd_toEndOf="parent"/>
-        </LinearLayout>
-    </LinearLayout>
-
-</LinearLayout>
diff --git a/app/src/main/res/layout/dialog_sso_grant_permission.xml b/app/src/main/res/layout/dialog_sso_grant_permission.xml
new file mode 100644
index 0000000000..e2eda08c2f
--- /dev/null
+++ b/app/src/main/res/layout/dialog_sso_grant_permission.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  Nextcloud Android client application
+
+  Copyright (C) 2018 Andy Scherzinger
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+  License as published by the Free Software Foundation; either
+  version 3 of the License, or any later version.
+
+  This program 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 AFFERO GENERAL PUBLIC LICENSE for more details.
+
+  You should have received a copy of the GNU Affero General Public
+  License along with this program. If not, see <http://www.gnu.org/licenses/>.
+-->
+<LinearLayout 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:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    android:paddingHorizontal="@dimen/dialog_padding"
+    android:paddingTop="@dimen/dialog_padding"
+    tools:context="com.owncloud.android.ui.activity.SsoGrantPermissionActivity">
+
+    <ImageView
+        android:id="@+id/appIcon"
+        android:layout_width="@dimen/user_icon_size"
+        android:layout_height="@dimen/user_icon_size"
+        android:layout_gravity="top|start"
+        android:layout_marginEnd="@dimen/standard_margin"
+        android:contentDescription="@null"
+        android:src="@drawable/background"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/permissionText"
+        tools:src="@drawable/file_application" />
+
+    <TextView
+        android:id="@+id/permissionText"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingStart="@dimen/zero"
+        android:paddingLeft="@dimen/zero"
+        android:paddingEnd="@dimen/zero"
+        android:paddingRight="@dimen/zero"
+        android:paddingBottom="@dimen/standard_padding"
+        android:textSize="@dimen/permission_dialog_text_size"
+        app:layout_constraintBottom_toTopOf="@+id/btnGrant"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Grant Nextcloud News access to your Nextcloud account incrediblyLong_username_with_123456789_number@Nextcloud_dummy.com?" />
+
+</LinearLayout>