Android: Convert HeaderViewHolder to Kotlin

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/viewholder/HeaderViewHolder.java

@@ -1,42 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-package org.dolphinemu.dolphinemu.features.settings.ui.viewholder;
-
-import android.view.View;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import org.dolphinemu.dolphinemu.features.settings.model.view.SettingsItem;
-import org.dolphinemu.dolphinemu.features.settings.ui.SettingsAdapter;
-import org.dolphinemu.dolphinemu.databinding.ListItemHeaderBinding;
-
-public class HeaderViewHolder extends SettingViewHolder
-{
-  private final ListItemHeaderBinding mBinding;
-
-  public HeaderViewHolder(@NonNull ListItemHeaderBinding binding, SettingsAdapter adapter)
-  {
-    super(binding.getRoot(), adapter);
-    itemView.setOnClickListener(null);
-    mBinding = binding;
-  }
-
-  @Override
-  public void bind(@NonNull SettingsItem item)
-  {
-    mBinding.textHeaderName.setText(item.getName());
-  }
-
-  @Override
-  public void onClick(View clicked)
-  {
-    // no-op
-  }
-
-  @Nullable @Override
-  protected SettingsItem getItem()
-  {
-    return null;
-  }
-}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/viewholder/HeaderViewHolder.kt

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.settings.ui.viewholder
+
+import android.view.View
+import org.dolphinemu.dolphinemu.databinding.ListItemHeaderBinding
+import org.dolphinemu.dolphinemu.features.settings.model.view.SettingsItem
+import org.dolphinemu.dolphinemu.features.settings.ui.SettingsAdapter
+
+open class HeaderViewHolder(
+    private val binding: ListItemHeaderBinding,
+    adapter: SettingsAdapter?
+) : SettingViewHolder(binding.root, adapter!!) {
+    override val item: SettingsItem? = null
+
+    init {
+        itemView.setOnClickListener(null)
+    }
+
+    override fun bind(item: SettingsItem) {
+        binding.textHeaderName.text = item.name
+    }
+
+    override fun onClick(clicked: View) {
+        // no-op
+    }
+}