Action mode submenu and checkableBehavior

Question

I have a strange issue with submenus and android:checkableBehavior="single". It works fine if the menu is in action bar, but displays check boxes instead of radio buttons if menu is in the action mode. I use AppCompatActivity and create action mode with startActionMode().

menu xml:

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/priority"
        android:title="@string/priority"
        app:showAsAction="ifRoom">

        <menu>
            <group android:checkableBehavior="single">
                <item
                    android:id="@+id/low_priority"
                    android:title="@string/low_pririty"/>
                <item
                    android:id="@+id/normal_priority"
                    android:title="@string/normal_priority"/>
                <item
                    android:id="@+id/high_priority"
                    android:title="@string/high_priority"/>
            </group>
        </menu>
    </item>
</menu>

How can I fix this?

Answer 1

You menu works fine for me using the startSupportActionMode method instead of the startActionMode method. The startActionMode method should not be used when using the support library AppCompatActivity.

.startSupportActionMode(new android.support.v7.view.ActionMode.Callback() {
            @Override
            public boolean onCreateActionMode(android.support.v7.view.ActionMode mode, Menu menu) {
                MenuInflater inflater = mode.getMenuInflater();
                inflater.inflate(R.menu.test_menu, menu);
                return true;
            }

            @Override
            public boolean onPrepareActionMode(android.support.v7.view.ActionMode mode, Menu menu) {
                return false;
            }

            @Override
            public boolean onActionItemClicked(android.support.v7.view.ActionMode mode, MenuItem item) {
                return false;
            }

            @Override
            public void onDestroyActionMode(android.support.v7.view.ActionMode mode) {

            }
        });