Update toggle if allow LAN settings changes

2 files changed, 28 insertions, 1 deletions

diff --git a/android/src/main/kotlin/net/mullvad/mullvadvpn/ui/PreferencesFragment.kt b/android/src/main/kotlin/net/mullvad/mullvadvpn/ui/PreferencesFragment.kt
index f6baabe308..44831a7b86 100644
--- a/android/src/main/kotlin/net/mullvad/mullvadvpn/ui/PreferencesFragment.kt
+++ b/android/src/main/kotlin/net/mullvad/mullvadvpn/ui/PreferencesFragment.kt
@@ -4,9 +4,17 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
 import net.mullvad.mullvadvpn.R
 
 class PreferencesFragment : ServiceDependentFragment(OnNoService.GoBack) {
+    private lateinit var allowLanToggle: CellSwitch
+
+    private var updateUiJob: Job? = null
+
     override fun onSafelyCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -18,6 +26,25 @@ class PreferencesFragment : ServiceDependentFragment(OnNoService.GoBack) {
             parentActivity.onBackPressed()
         }
 
+        allowLanToggle = view.findViewById(R.id.allow_lan_toggle)
+
+        settingsListener.onAllowLanChange = { allowLan ->
+            updateUiJob?.cancel()
+            updateUiJob = updateUi(allowLan)
+        }
+
         return view
     }
+
+    override fun onSafelyDestroyView() {
+        settingsListener.onAllowLanChange = null
+    }
+
+    private fun updateUi(allowLan: Boolean) = GlobalScope.launch(Dispatchers.Main) {
+        if (allowLan) {
+            allowLanToggle.state = CellSwitch.State.ON
+        } else {
+            allowLanToggle.state = CellSwitch.State.OFF
+        }
+    }
 }
diff --git a/android/src/main/res/layout/preferences.xml b/android/src/main/res/layout/preferences.xml
index 870a9a5206..59d42635fe 100644
--- a/android/src/main/res/layout/preferences.xml
+++ b/android/src/main/res/layout/preferences.xml
@@ -60,7 +60,7 @@
                 android:textStyle="bold"
                 android:text="@string/local_network_sharing"
                 />
-        <net.mullvad.mullvadvpn.ui.CellSwitch
+        <net.mullvad.mullvadvpn.ui.CellSwitch android:id="@+id/allow_lan_toggle"
                 android:layout_width="52dp"
                 android:layout_height="32dp"
                 android:layout_weight="0"