我想给我的MenuItem
添加PopupMenu
。
Menu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/date"
app:showAsAction="ifRoom|withText"
android:title="Date"
android:visible="true"/>
<item
android:id="@+id/category"
app:showAsAction="ifRoom|withText"
android:title="Category"
android:visible="true"/>
</menu>
当我点击
MenuItem
时,我调用以下代码:@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.filter_action) {
showPopup(item.getActionView());
}
return super.onOptionsItemSelected(item);
}
private void showPopup(View v) {
PopupMenu popup = new PopupMenu(getActivity(), v);
MenuInflater inflater = popup.getMenuInflater();
inflater.inflate(R.menu.filter_billing_menu, popup.getMenu());
popup.show();
}
我遇到了这个异常:
java.lang.IllegalStateException: MenuPopupHelper cannot be used without an anchor
我该如何修复它?