Added android 10 dark theme support

app/src/main/java/code/name/monkey/retromusic/util/AttrsUtil.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2019 Hemanth Savarala.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by
+ *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ */
+
+package code.name.monkey.retromusic.util
+
+import android.content.Context
+import androidx.annotation.AttrRes
+
+object AttrsUtil {
+    @JvmOverloads
+    fun resolveColor(context: Context, @AttrRes attr: Int, fallback: Int = 0): Int {
+        val a = context.theme.obtainStyledAttributes(intArrayOf(attr))
+        try {
+            return a.getColor(0, fallback)
+        } finally {
+            a.recycle()
+        }
+    }
+}