Fix dark theme selected row color

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

@@ -92,7 +92,8 @@ class DetailAdapter(private val activity: Activity, private val repository: Repo
                 tagsView.visibility = View.GONE
             }
             if (selected.contains(notification.id)) {
-                itemView.setBackgroundResource(R.color.primarySelectedRowColor);
+                val backgroundColor = if (isDarkThemeOn(context, repository)) R.color.primaryDarkSelectedRowColor else R.color.primaryLightSelectedRowColor
+                itemView.setBackgroundResource(backgroundColor);
             }
             renderPriority(context, notification)
             maybeRenderAttachment(context, notification)

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

@@ -5,6 +5,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.TextView
+import androidx.appcompat.app.AppCompatDelegate
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
@@ -13,6 +14,7 @@ import io.heckel.ntfy.R
 import io.heckel.ntfy.db.ConnectionState
 import io.heckel.ntfy.db.Repository
 import io.heckel.ntfy.db.Subscription
+import io.heckel.ntfy.util.isDarkThemeOn
 import io.heckel.ntfy.util.topicShortUrl
 import java.text.DateFormat
 import java.util.*
@@ -100,7 +102,8 @@ class MainAdapter(private val repository: Repository, private val onClick: (Subs
             itemView.setOnClickListener { onClick(subscription) }
             itemView.setOnLongClickListener { onLongClick(subscription); true }
             if (selected.contains(subscription.id)) {
-                itemView.setBackgroundResource(R.color.primarySelectedRowColor);
+                val backgroundColor = if (isDarkThemeOn(context, repository)) R.color.primaryDarkSelectedRowColor else R.color.primaryLightSelectedRowColor
+                itemView.setBackgroundResource(backgroundColor)
             }
         }
     }

app/src/main/java/io/heckel/ntfy/util/Util.kt

@@ -4,14 +4,18 @@ import android.animation.ArgbEvaluator
 import android.animation.ValueAnimator
 import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
+import android.content.res.Configuration.UI_MODE_NIGHT_YES
 import android.net.Uri
 import android.os.Build
 import android.os.PowerManager
 import android.provider.OpenableColumns
 import android.provider.Settings
 import android.view.Window
+import androidx.appcompat.app.AppCompatDelegate
 import io.heckel.ntfy.R
 import io.heckel.ntfy.db.Notification
+import io.heckel.ntfy.db.Repository
 import io.heckel.ntfy.db.Subscription
 import java.security.SecureRandom
 import java.text.DateFormat
@@ -200,3 +204,19 @@ fun isIgnoringBatteryOptimizations(context: Context): Boolean {
     return true
 }
 
+// Returns true if dark mode is on, see https://stackoverflow.com/a/60761189/1440785
+fun Context.isDarkThemeOn(): Boolean {
+    return resources.configuration.uiMode and
+            Configuration.UI_MODE_NIGHT_MASK == UI_MODE_NIGHT_YES
+}
+
+fun isDarkThemeOn(context: Context, repository: Repository): Boolean {
+    val darkMode = repository.getDarkMode()
+    if (darkMode == AppCompatDelegate.MODE_NIGHT_YES) {
+        return true
+    }
+    if (darkMode == AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM && context.isDarkThemeOn()) {
+        return true
+    }
+    return false
+}

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

@@ -1,12 +1,13 @@
 <!--?xml version="1.0" encoding="UTF-8"?-->
 <resources>
     <color name="primaryColor">#338574</color>
-    <color name="primaryLightColor">#338574</color>
-    <color name="primaryDarkColor">#2A6E60</color>
-    <color name="primaryLightTextColor">#FFFFFF</color>
-    <color name="primarySelectedRowColor">#EEEEEE</color>
     <color name="primaryDangerButtonColor">#C30000</color>
-    <color name="primaryPriorityUrgentColor">#C30000</color>
+
-    <color name="primaryPriorityHighColor">#E10000</color>
+    <color name="primaryLightColor">#338574</color>
+    <color name="primaryLightTextColor">#FFFFFF</color>
+    <color name="primaryLightSelectedRowColor">#EEEEEE</color>
+
+    <color name="primaryDarkColor">#2A6E60</color>
+    <color name="primaryDarkSelectedRowColor">#444444</color>
 </resources>