add preference to open notification settings if enabled

app/src/main/java/io/heckel/ntfy/msg/NotificationService.kt

@@ -413,7 +413,7 @@ class NotificationService(val context: Context) {
         }
     }
 
-    private fun toChannelId(scope: String, priority: Int): String {
+    fun toChannelId(scope: String, priority: Int): String {
         return when (priority) {
             1 -> scope + PRIORITY_MIN
             2 -> scope + PRIORITY_LOW

app/src/main/java/io/heckel/ntfy/ui/DetailSettingsActivity.kt

@@ -4,8 +4,10 @@ import android.content.ContentResolver
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
+import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
+import android.provider.Settings
 import android.text.TextUtils
 import android.widget.Toast
 import androidx.activity.result.ActivityResultLauncher
@@ -82,6 +84,7 @@ class DetailSettingsActivity : AppCompatActivity() {
         private lateinit var subscription: Subscription
 
         private lateinit var iconSetPref: Preference
+        private lateinit var openChannelsPref: Preference
         private lateinit var iconSetLauncher: ActivityResultLauncher<String>
         private lateinit var iconRemovePref: Preference
 
@@ -113,6 +116,7 @@ class DetailSettingsActivity : AppCompatActivity() {
             if (subscription.upAppId == null) {
                 loadInstantPref()
                 loadDedicatedChannelsPrefs()
+                loadOpenChannelsPrefs()
                 loadMutedUntilPref()
                 loadMinPriorityPref()
                 loadAutoDeletePref()
@@ -165,6 +169,8 @@ class DetailSettingsActivity : AppCompatActivity() {
                         notificationService.deleteSubscriptionNotificationChannels(subscription)
                     }
 
+                    openChannelsPref.isVisible = value
+
                 }
                 override fun getBoolean(key: String?, defValue: Boolean): Boolean {
                     return subscription.dedicatedChannels
@@ -179,6 +185,21 @@ class DetailSettingsActivity : AppCompatActivity() {
             }
         }
 
+        private fun loadOpenChannelsPrefs() {
+            val prefId = context?.getString(R.string.detail_settings_notifications_open_channels_key) ?: return
+            openChannelsPref = findPreference(prefId) ?: return
+            openChannelsPref.isVisible = subscription.dedicatedChannels
+            openChannelsPref.preferenceDataStore = object : PreferenceDataStore() { } // Dummy store to protect from accidentally overwriting
+            openChannelsPref.onPreferenceClickListener = Preference.OnPreferenceClickListener { _ ->
+                val channelId = notificationService.toChannelId(notificationService.dedicatedNotificationScope(subscription), 3)
+                val settingsIntent = Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS)
+                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                    .putExtra(Settings.EXTRA_APP_PACKAGE, requireContext().applicationContext.packageName)
+                startActivity(settingsIntent);
+                true
+            }
+        }
+
         private fun loadMutedUntilPref() {
             val prefId = context?.getString(R.string.detail_settings_notifications_muted_until_key) ?: return
             val pref: ListPreference? = findPreference(prefId)

app/src/main/res/values/strings.xml

@@ -352,6 +352,7 @@
     <string name="detail_settings_notifications_dedicated_channels_title">Use dedicated channels</string>
     <string name="detail_settings_notifications_dedicated_channels_summay_on">Use dedicated notification channels for this subscription</string>
     <string name="detail_settings_notifications_dedicated_channels_summay_off">Use default notification channels</string>
+    <string name="detail_settings_notifications_open_channels_title">Configure dedicated channels</string>
     <string name="detail_settings_appearance_header">Appearance</string>
     <string name="detail_settings_appearance_icon_set_title">Subscription icon</string>
     <string name="detail_settings_appearance_icon_set_summary">Set an icon to be displayed in notifications</string>

app/src/main/res/values/values.xml

@@ -35,6 +35,7 @@
     <string name="detail_settings_notifications_instant_key" translatable="false">SubscriptionInstant</string>
     <string name="detail_settings_notifications_muted_until_key" translatable="false">SubscriptionMutedUntil</string>
     <string name="detail_settings_notifications_dedicated_channels_key" translatable="false">SubscriptionDedicatedChannels</string>
+    <string name="detail_settings_notifications_open_channels_key" translatable="false">SubscriptionOpenChannels</string>
     <string name="detail_settings_notifications_min_priority_key" translatable="false">SubscriptionMinPriority</string>
     <string name="detail_settings_notifications_auto_delete_key" translatable="false">SubscriptionAutoDelete</string>
     <string name="detail_settings_appearance_header_key" translatable="false">SubscriptionAppearance</string>

app/src/main/res/xml/detail_preferences.xml

@@ -18,6 +18,10 @@
                 app:key="@string/detail_settings_notifications_dedicated_channels_key"
                 app:title="@string/detail_settings_notifications_dedicated_channels_title"
                 app:isPreferenceVisible="false"/>
+        <Preference
+                app:key="@string/detail_settings_notifications_open_channels_key"
+                app:title="@string/detail_settings_notifications_open_channels_title"
+                app:isPreferenceVisible="false"/>
         <ListPreference
                 app:key="@string/detail_settings_notifications_min_priority_key"
                 app:title="@string/settings_notifications_min_priority_title"