use androidx.appcompat.app.AlertDialog and make AlertDialog final

1 files changed, 2 insertions, 2 deletions

diff --git a/src/main/java/de/pixart/messenger/ui/ChannelDiscoveryActivity.java b/src/main/java/de/pixart/messenger/ui/ChannelDiscoveryActivity.java
index 23c8da480..6c2a5c562 100644
--- a/src/main/java/de/pixart/messenger/ui/ChannelDiscoveryActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/ChannelDiscoveryActivity.java
@@ -1,6 +1,5 @@
 package de.pixart.messenger.ui;
 
-import android.app.AlertDialog;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
@@ -17,6 +16,7 @@ import android.view.inputmethod.InputMethodManager;
 import android.widget.EditText;
 import android.widget.TextView;
 
+import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.Toolbar;
 import androidx.databinding.DataBindingUtil;
 
@@ -224,7 +224,7 @@ public class ChannelDiscoveryActivity extends XmppActivity implements MenuItem.O
             joinChannelSearchResult(accounts.get(0), result);
         } else if (accounts.size() > 0) {
             final AtomicReference<String> account = new AtomicReference<>(accounts.get(0));
-            AlertDialog.Builder builder = new AlertDialog.Builder(this);
+            final AlertDialog.Builder builder = new AlertDialog.Builder(this);
             builder.setTitle(R.string.choose_account);
             builder.setSingleChoiceItems(accounts.toArray(new CharSequence[0]), 0, (dialog, which) -> account.set(accounts.get(which)));
             builder.setPositiveButton(R.string.join, (dialog, which) -> joinChannelSearchResult(account.get(), result));