onCreateOptionsMenu 总是显示为带有我以编程方式创建的菜单的操作

Question

下面是我如何以编程方式创建菜单


@Override
public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
        super.onCreateOptionsMenu(menu, inflater);


 menu.add(0, 0, 0, new SetUpClass().menuInitializer(
     Objects.requireNonNull(ContextCompat.getDrawable(requireActivity(),R.drawable.ic_cart)),
                getResources().getString(R.string.cart)));

}

下面是我在 SetUpClass 中的 menuInitializer 方法


public class SetUpClass {

public CharSequence menuInitializer(Drawable drawable, String title) {

        drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
        SpannableString spannableString = new SpannableString("    " + title);
        ImageSpan imageSpan = new ImageSpan(drawable, ImageSpan.ALIGN_BOTTOM);
        spannableString.setSpan(imageSpan, 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

        return spannableString;
    }

}

如何使以编程方式创建的菜单始终显示为操作，就像使用下面的 xml 菜单时一样

app:showAsAction="always"

Answer 1

使用MenuItem.SHOW_AS_ACTION_ALWAYS将菜单项设置为始终可见

@Override
public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
        super.onCreateOptionsMenu(menu, inflater);


MenuItem menuItem =  menu.add(0, 0, 0, new SetUpClass().menuInitializer(
     Objects.requireNonNull(ContextCompat.getDrawable(requireActivity(),R.drawable.ic_cart)),
                getResources().getString(R.string.cart)));
menuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);


}

onCreateOptionsMenu 总是显示为带有我以编程方式创建的菜单的操作

onCreateOptionsMenu showing alwasy as action with a menu that i have created programatically

java

android

android-optionsmenu

oncreateoptionsmenu

android-studio