screen/configuration: fix app crash on fast tap on tools

2 files changed, 3 insertions, 2 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/activities/configure/ToolsFragment.kt b/app/src/main/java/org/pacien/tincapp/activities/configure/ToolsFragment.kt
index d15eb95..5850a1c 100644
--- a/app/src/main/java/org/pacien/tincapp/activities/configure/ToolsFragment.kt
+++ b/app/src/main/java/org/pacien/tincapp/activities/configure/ToolsFragment.kt
@@ -1,6 +1,6 @@
 /*
  * Tinc App, an Android binding and user interface for the tinc mesh VPN daemon
- * Copyright (C) 2017-2020 Pacien TRAN-GIRARD
+ * Copyright (C) 2017-2023 Pacien TRAN-GIRARD
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -46,5 +46,5 @@ class ToolsFragment : BaseFragment() {
   }
 
   private fun openDialog(tool: ConfigurationToolDialogFragment): () -> Unit =
-    { tool.show(fragmentManager!!, tool.javaClass.simpleName) }
+    { if (!tool.isAdded) tool.show(fragmentManager!!, tool.javaClass.simpleName) }
 }
diff --git a/changelog.md b/changelog.md
index 340a358..a654e51 100644
--- a/changelog.md
+++ b/changelog.md
@@ -8,6 +8,7 @@ Releases are tracked and referred to using git tags.
   (in USB storage mode). The embedded FTP server has been removed
 - display errors on the home screen instead of through the system notifications
   (as recommended-required for Android 13, API 33)
+- fix app crash on fast tap in configuration screen
 
 ## v0.37 -- 2023-01-30
 - add russian translation (contributed by exclued)