SettingsActivity: manually apply insets for api 35

The forced EdgeToEdge changes don't work well with
PreferenceFragmentCompat, because it's basically abandoned by androidx,
so apply the insets manually ourselves.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

ui/src/main/java/com/wireguard/android/activity/SettingsActivity.kt

@@ -7,8 +7,14 @@ package com.wireguard.android.activity
 import android.content.Intent
 import android.os.Build
 import android.os.Bundle
+import android.view.LayoutInflater
 import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.updateLayoutParams
 import androidx.fragment.app.commit
 import androidx.lifecycle.lifecycleScope
 import androidx.preference.Preference
@@ -45,6 +51,24 @@ class SettingsActivity : AppCompatActivity() {
     }
 
     class SettingsFragment : PreferenceFragmentCompat() {
+
+        // Since this is pretty much abandoned by androidx, it never got updated for proper EdgeToEdge support,
+        // which is enabled everywhere for API 35. So handle the insets manually here.
+        override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+            val view = super.onCreateView(inflater, container, savedInstanceState)
+            ViewCompat.setOnApplyWindowInsetsListener(view) { v, windowInsets ->
+                val insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars())
+                v.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+                    leftMargin = insets.left
+                    bottomMargin = insets.bottom
+                    rightMargin = insets.right
+                    topMargin = insets.top
+                }
+                WindowInsetsCompat.CONSUMED
+            }
+            return view
+        }
+
         override fun onCreatePreferences(savedInstanceState: Bundle?, key: String?) {
             preferenceManager.preferenceDataStore = PreferencesPreferenceDataStore(lifecycleScope, Application.getPreferencesDataStore())
             addPreferencesFromResource(R.xml.preferences)