Utilize more KTX extensions (#7348)

app/src/main/java/eu/kanade/tachiyomi/widget/MaterialSpinnerView.kt

@@ -11,6 +11,7 @@ import androidx.annotation.ArrayRes
 import androidx.appcompat.content.res.AppCompatResources
 import androidx.appcompat.view.menu.MenuBuilder
 import androidx.appcompat.widget.PopupMenu
+import androidx.core.content.withStyledAttributes
 import androidx.core.view.forEach
 import androidx.core.view.get
 import com.fredporciuncula.flow.preferences.Preference
@@ -51,16 +52,15 @@ class MaterialSpinnerView @JvmOverloads constructor(context: Context, attrs: Att
     init {
         addView(binding.root)
 
-        val attr = context.obtainStyledAttributes(attrs, R.styleable.MaterialSpinnerView)
+        context.withStyledAttributes(set = attrs, attrs = R.styleable.MaterialSpinnerView) {
+            val title = getString(R.styleable.MaterialSpinnerView_title).orEmpty()
+            binding.title.text = title
 
-        val title = attr.getString(R.styleable.MaterialSpinnerView_title).orEmpty()
-        binding.title.text = title
-
-        val entries = (attr.getTextArray(R.styleable.MaterialSpinnerView_android_entries) ?: emptyArray()).map { it.toString() }
-        this.entries = entries
-        binding.details.text = entries.firstOrNull().orEmpty()
-
-        attr.recycle()
+            val viewEntries = (getTextArray(R.styleable.MaterialSpinnerView_android_entries)
+                ?: emptyArray()).map { it.toString() }
+            entries = viewEntries
+            binding.details.text = viewEntries.firstOrNull().orEmpty()
+        }
     }
 
     fun setSelection(selection: Int) {
@@ -152,9 +152,7 @@ class MaterialSpinnerView @JvmOverloads constructor(context: Context, attrs: Att
         popup.menu.forEach {
             it.icon = emptyIcon
         }
-        popup.menu.getItem(selectedPosition)?.let {
-            it.icon = checkmarkIcon
-        }
+        popup.menu[selectedPosition].icon = checkmarkIcon
         popup.setOnMenuItemClickListener { menuItem ->
             val pos = menuClicked(menuItem)
             onItemClick(pos)