Updated AndroidX fragment

app/build.gradle

@@ -551,7 +551,7 @@ dependencies {
     def emoji_version = "1.4.0" // 1.5.0-alpha01
     def flatbuffers_version = "2.0.0"
     def activity_version = " 1.9.0"
-    def fragment_version = "1.6.2" // 1.7.1 // 1.8.0-beta01
+    def fragment_version = "1.7.1" // 1.8.0-beta01
     def windows_version = "1.2.0" // 1.3.0-rc01
     def webkit_version = "1.10.0" // 1.11.0
     def recyclerview_version = "1.3.2" // 1.4.0-alpha01

app/src/main/java/eu/faircode/email/ApplicationEx.java

@@ -46,6 +46,7 @@ import androidx.core.os.LocaleListCompat;
 import androidx.emoji2.text.DefaultEmojiCompatConfig;
 import androidx.emoji2.text.EmojiCompat;
 import androidx.emoji2.text.FontRequestEmojiCompatConfig;
+import androidx.fragment.app.FragmentManager;
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.OnLifecycleEvent;
@@ -257,7 +258,7 @@ public class ApplicationEx extends Application
         // https://issuetracker.google.com/issues/341313071
         // https://developer.android.com/guide/navigation/custom-back/support-animations#fragments
         // https://developer.android.com/guide/navigation/custom-back/predictive-back-gesture#opt-predictive
-        //FragmentManager.enablePredictiveBack(false);
+        FragmentManager.enablePredictiveBack(false);
 
         if (Helper.hasWebView(this))
             CookieManager.getInstance().setAcceptCookie(false);