From 1937a1fecd17a846dce4b2d94a55130a37b4ed2e Mon Sep 17 00:00:00 2001
From: arm64v8a <48624112+arm64v8a@users.noreply.github.com>
Date: Sun, 16 Jul 2023 16:40:57 +0900
Subject: [PATCH] feat: Back key changed to go back to the configuration page
 instead of exit

---
 .../main/java/io/nekohasekai/sagernet/ui/MainActivity.kt | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/MainActivity.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/MainActivity.kt
index 1ba8f3c..55b2aca 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/ui/MainActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/MainActivity.kt
@@ -11,7 +11,7 @@ import android.os.Bundle
 import android.os.RemoteException
 import android.view.KeyEvent
 import android.view.MenuItem
-import android.widget.Toast
+import androidx.activity.addCallback
 import androidx.annotation.IdRes
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
@@ -73,6 +73,13 @@ class MainActivity : ThemedActivity(),
         if (savedInstanceState == null) {
             displayFragmentWithId(R.id.nav_configuration)
         }
+        onBackPressedDispatcher.addCallback {
+            if (supportFragmentManager.findFragmentById(R.id.fragment_holder) is ConfigurationFragment) {
+                moveTaskToBack(true)
+            } else {
+                displayFragmentWithId(R.id.nav_configuration)
+            }
+        }
 
         binding.fab.setOnClickListener {
             if (DataStore.serviceState.canStop) SagerNet.stopService() else connect.launch(