Clean code

app/src/leanback/java/com/fongmi/android/tv/ui/presenter/TypePresenter.java

@@ -6,6 +6,7 @@ import android.view.ViewGroup;
 import androidx.annotation.NonNull;
 import androidx.leanback.widget.Presenter;
 
+import com.fongmi.android.tv.R;
 import com.fongmi.android.tv.bean.Class;
 import com.fongmi.android.tv.databinding.AdapterTypeBinding;
 import com.fongmi.android.tv.utils.ResUtil;
@@ -33,7 +34,7 @@ public class TypePresenter extends Presenter {
         ViewHolder holder = (ViewHolder) viewHolder;
         holder.binding.text.setText(item.getTypeName());
         holder.binding.text.setCompoundDrawablePadding(ResUtil.dp2px(4));
-        holder.binding.text.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, item.getIcon(), 0);
+        holder.binding.text.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, getIcon(item), 0);
         setOnClickListener(holder, view -> mListener.onItemClick(item));
     }
 
@@ -41,6 +42,10 @@ public class TypePresenter extends Presenter {
     public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) {
     }
 
+    private int getIcon(Class item) {
+        return item.getFilter() == null ? 0 : item.getFilter() ? R.drawable.ic_type_filter_off : R.drawable.ic_type_filter_on;
+    }
+
     public static class ViewHolder extends Presenter.ViewHolder {
 
         private final AdapterTypeBinding binding;