android-optionsmenu
onCreateOptionsMenu() calling super
It depends on what you want to do. First example will place your menu and only your menu. Second one, will add first super class menu. Last one will add your menu first. But, keep in mind that menus also have an order field, which will be taken into account at render time. Let’s say … Read more
Android – Correct use of invalidateOptionsMenu()
invalidateOptionsMenu() is used to say Android, that contents of menu have changed, and menu should be redrawn. For example, you click a button which adds another menu item at runtime, or hides menu items group. In this case you should call invalidateOptionsMenu(), so that the system could redraw it on UI. This method is a … Read more
How to change option menu icon in the action bar?
The following lines should be updated in app -> main -> res -> values -> Styles.xml <!– Application theme. –> <style name=”AppTheme” parent=”AppBaseTheme”> <!– All customizations that are NOT specific to a particular API-level can go here. –> <item name=”android:actionOverflowButtonStyle”>@style/MyActionButtonOverflow</item> </style> <!– Style to replace actionbar overflow icon. set item ‘android:actionOverflowButtonStyle’ in AppTheme –> <style … Read more
How to add Action bar options menu in Android Fragments
You need to call setHasOptionsMenu(true) in onCreate(). For backwards compatibility it’s better to place this call as late as possible at the end of onCreate() or even later in onActivityCreated() or something like that. See: https://developer.android.com/reference/android/app/Fragment.html#setHasOptionsMenu(boolean)
Hide MenuItem in some Fragments
In the fragment where you want to hide the Item @Override public void onPrepareOptionsMenu(Menu menu) { MenuItem item=menu.findItem(R.id.action_search); if(item!=null) item.setVisible(false); } and in onCreate() of your fragment setHasOptionsMenu(true);
How to add Options Menu to Fragment in Android
Call the super method: Java: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setHasOptionsMenu(true); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { // TODO Add your menu entries here super.onCreateOptionsMenu(menu, inflater); } Kotlin: override fun void onCreate(savedInstanceState: Bundle) { super.onCreate(savedInstanceState) setHasOptionsMenu(true) } override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) { // TODO Add your menu entries … Read more